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HomeMy WebLinkAbout2 - WSC Crabtree Creek Bridge Buffer Application DWR20171487v4 submitted 13Oct2021Water ResourcesENTAL QUALITY A. Owner/Applicant Information For instructions on how to fill out this form, see the Buffer Authorization Application Help Document posted on DWR's 401 & Buffer page. Please note: fields marked with a red asterisk below are required. You will not be able to submit the form until all mandatory questions are answered. A. Owner/Applicant Information General Information Primary Contact Email: * Is this project a public transportation project?* Who is submitting the application?* 1. Property Owner Information: la. Name on Recorded Deed:* 1b. Responsible Party: 1c. Mailing Address:* 1d. Telephone:* (919)840-7702 bzarzecki@sandec.com Pease list the contact person's enail for questions or payrrent on this project if needed r Yes r No r- Owner rJ Applicant other than Owner rJ Agent Check all that apply Raleigh -Durham Airport Authority Michael Languth, President & CEO (for Corporations) Street Address 1000 Trade Drive PO Box 80001 Address Line 2 City State / Province / Region RDU Airport NC Postal / Zip Code Country 27623 United States le. Email Address:* michael.landguth@rdu.com 2. Applicant's Information (if different from owner): 2a. Name:* Samuel T. Bratton 2b. Company Affiliation: Wake Stone Corporation 2c. Mailing Address:* Street Address 6821 Knightdale Boulevard Address Line 2 City State / Province / legion Knightdale NC Fbstal / Zip Code Country 27545-9651 US 2d. Telephone:* (919)266-1100 2e. Email Address:* samuelbratton@wakestonecorp.com 2f. Attach a signed and dated copy of the authorization granting the applicant owner approval. An agent authorization form is acceptable. * Click the upload button or drag and drop files here to attach docurrent RDU- FAA-201 9-04-29- letter. pdf 495.36KB Lessor Certification Authorization - 105 Acre 399.52KB Property.pdf FDF only 3. Agent Information: 3a. Name:* 3b. Company Affiliation:* 3c. Mailing Address:* Bob Zarzecki Soil & Environmental Consultants, PA Street Address 8412 Falls of Neuse Road Address Line 2 Suite 104 Oty Raleigh Postal / Zip Code 27615 State / Province / Region NC Country United States 3d. Telephone:* 9198465900 3e. Email Address:* bzarzecki@sandec.com 3f. Attach a signed and dated copyof the agent authorization form.* Click the upload button or drag and drop files here to attach docurrent Wake Stone Triangle Quarry_Agent Authorization 85.23KB Form.pdf FDF Only If the applicant is not the property owner, in addition to providing the Agent's information, select Applicant other than Owner'above, enter the applicant's information, and attach an authorization granting the applicant owner approval. B. Project Information and Prior Project History B. Project Information and Prior Project History 1. Project Information u la. Name of Project:* Wake Stone Corporation - Triangle Quarry - Bridge Across Crabtree Creek (Subdivision, facility, or establishment narre) If your project has a formal name please use this. If your project does not have a formal name, please identify your project by the owner name and proposed activity (Jones Property Access Road, Smith Guest House, etc.) List in parentheses any other names that have been used to identify the project in the past. 1b. Is this a publicly -funded transportation project?* r Yes r No 1d. Subdivision Name: n/a le. Nearest Cary, NC Municipality: 1f. Property Size: 328.00 acres 1g. County (or Counties) where the project is located:* Wake 1h. Property ID# Date of Purchase 0766809143 9/1 /1981 Tax RN or Parcel id 1 i. Deed Information Type of Book Book#11 Page# Deed F 3 Map 1j. Attach a copy of the recorded map that indicates when the lot was last platted. aick the upload button or drag and drop files here to attach docurrent Wake Stone - RDU _ WoUS Plat Map (signed & 6.34MB sealed).pdf RDF only 1k. How would you like to provide the Latitude and Longitude information?* r Address Lookup r Manually Latitude * 35.841176 Longitude 11. Is the project located in any of North Carolina's twenty coastal counties? r Yes r No -78.772390 Coastal Management information can be found at: About Coastal Management Staff Listing Coastal County Lookup 2. Surface Waters 2a. Name of the nearest body of water to proposed project:* Crabtree Creek [27-33-(3.5)] Link to Soil Surveys for North Carolina Counties. (Please see instructions in the Help Document to determine the most recent published version.) 2b. Water Quality Classification of nearest receiving water:* 2c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:* 7,977 (linear feet only) 3. Project Description: 3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application: Wake Stone Corporation (WSC) has entered into a Mining Lease agreement with the Raleigh Durham Airport Authority (RDU) for expansion of WSC's Triangle Quarry onto RDU property known as the "Odd Fellows Tract" (105 acres). WSC currently operates the Triangle Quarry on 223 acres located in the northwest quadrant of Interstate Highway 40 (1-40) and North Harrison Avenue north of Cary, North Carolina. The existing quarry site (in continuous operation since 1983) consists of an open pit mine, crushed stone processing plant, stockpile/sales yard areas, and associated ancillary facilities. The quarry site is bounded on the south by 1-40, on the west and north by Crabtree Creek, and on the east by William B. Umstead State Park. Commercial, business, and residential areas are located south of the quarry across 1-40. The undeveloped property controlled by RDU (105-acre Odd Fellows Tract) is located across Crabtree Creek to the west of the Triangle Quarry. The Odd Fellows Tract is currently characterized by mature mixed pine and hardwood forest managed by RDU under their forest management plan. The only public road access to the Odd Fellows Tract is from Old Reedy Creek Road utilizing the single lane weight limit bridge over Crabtree Creek. The Town of Cary and other interested parties raised significant opposition to WSC's use of that road for the project. Based upon the limitations of the single lane bridge and opposition to use of Old Reedy Creek Road, the only possible access to the property (for the quarry expansion project) is by building a bridge across Crabtree Creek. The buffer impacts requested under this application are associated with the construction of a proposed bridge across Crabtree Creek. In the absence of any other suitable/practical transportation routes, the bridge will link the quarry expansion site on the RDU Odd Fellows Tract with the existing Triangle Quarry. 3b. Attach an 8 % x 11 excerpt from the most recent version of the USGS topographic map indicating the location of the site. Qick the upload button or drag and drop files here to attach docunent USGS Map. pdf 3.58MB FDF only Link to TOPO Map lookup: https://viewer.nationalmap.gov/basic/ 3c. Attach an 8 1A x 11 excerpt from the most recent version of the published County NRCS Soil Survey Map depicting the project site. Click the upload button or drag and drop files here to attach docurrent SS Map.pdf 466.86KB FDF only Link to Soil Surveys for North Carolina Counties. (Please see instructions in the Help Document to determine the most recent published version.) 4. Proposed Activity Provide a detailed description of the proposed activity including its purpose and include the type of equipment to be used:* Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". The proposed activity (which requires NCDWR authorization for impacts to a portion of the Neuse River Riparian Buffer along Crabtree Creek) is the construction and operation of a 60' (wide) by 100' (long) bridge across Crabtree Creek. In expanding the Triangle Quarry onto the RDU-controlled Odd Fellows Tract, WSC intends to develop a new mine pit west of Crabtree Creek and will utilize the planned bridge for initial site development, removal of excavated overburden from the property (either to the existing Triangle Quarry pit for storage or trucked out the Harrison Avenue entrance to construction sites), and the transport of raw aggregate reserve materials to the existing Triangle Quarry site for processing and sale. During initial development of the new pit area, the bridge will be utilized for timber removal operations through the existing quarry entrance on North Harrison Avenue and the movement of necessary earthmoving and mining equipment between the existing quarry and the expansion site. Therefore, the purpose of the project (bridge construction) is to provide the access necessary to develop a new mine pit on the Odd Fellows Tract, and following initial site development, provide a means of safe and efficient transport of harvested timber initially, then overburden and mined aggregate reserves to the Triangle Quarry for processing and sale. The proposed bridge provides the only practical alternative for movement of the heavy mine equipment necessary for site development and once mining begins, off - road haulage of overburden and quarry -generated stone and overburden to the existing processing facility. This is because the Odd Fellows Tract is currently accessible only by Old Reedy Creek Road. Old Reedy Creek Road is a narrow two- lane unpaved road (in the portion north of 1-40), which utilizes a single -lane antiquated bridge where it crosses Crabtree Creek south of 1-40. Old Reedy Creek Road is not an acceptable travel way for movement of heavy mining equipment, nor is it suitable, or even conceivable for use in the daily transport of mined aggregate reserves, timber removal, or future off -site transport of overburden/borrow to area construction sites. As noted by Judge Byrne in his findings of fact incorporated into his FINAL DECISION (copy attached), "The evidence showed that there are no practical alternatives to a bridge at the proposed location due to the geographic limitations of the area in question, the lack of existing improved road options, and the existing use of areas otherwise bordering the Odd Fellows Tract (Umstead Park and Interstate 40)." In determining the viability of operating a mine pit on the Odd Fellows Tract, WSC determined that construction of a bridge across Crabtree Creek provides the only practical means of safely and efficiently moving the mined aggregate reserves to the existing quarry site for processing and sale. WSC further recognized that such a bridge would need to be of sufficient design to safely support fully loaded off -road mine haulage units (mine trucks), the largest/heaviest pieces of mine equipment that would use the bridge, and any other mine support equipment. Additionally, WSC determined that as the new pit is being developed, in addition to the off -road mine vehicle usage, the bridge will also be utilized for highway -legal dump trucks transporting overburden materials to local construction sites. From a safety standpoint, the bridge design would also need to incorporate means of separating mine truck usage from highway -legal truck usage. It also must be made wide enough and incorporate guard railing sufficient to prevent spillage of materials into Crabtree Creek. Given these operating scenarios/requirements, WSC contracted with Michael Baker International (MBI), an internationally recognized bridge design firm, to prepare preliminary bridge design plans which met these requirements. With WSC's use of 65-ton capacity off -road haul trucks (which are approximately 20' wide), the need to provide for two-way mine haul truck travel (for safety and production efficiency), two-way highway truck travel during times when the bridge will be used for off -site transport of overburden/borrow, and the necessity for sufficient width to prevent spillage loss into Crabtree Creek, MBI and WSC determined a minimum bridge width of 60' will be required to meet the project purpose. A 60' wide bridge will provide two lanes of travel measuring 27' in width. 27' of width provides the minimum width necessary for safe travel using the 65-ton haul units, and when coupled with poured -in -place concrete guardrails, provides protection against spillage into Crabtree Creek. As previously stated, WSC Triangle Quarry utilizes a fleet of 65-ton capacity haul units. The number of haul trucks in the fleet varies depending upon haul distances and primary crusher production demands. During active stone production, these trucks make continuous roundtrips between the blasted rock muck pile in the pit to the primary crusher station. Continuous daily two-way traffic requires dedicated travel lanes of sufficient separation to provide safe traffic flow. For two-way traffic, the Federal Mine Safety and Health Administration (MSHA) recommends a haul road width of 3.5 times the width of the largest haul unit using the roadway. With uses of 65-ton capacity haul trucks, this equates to a MSHA recommended road width of 70 feet. (MSHA Inspector Guide — attached.) WSC further instructed MBI to provide a preliminary design that met the minimum 60' width requirement as well as minimized the resultant buffer impact area and spanned the regulatory floodway (100-year floodway) so that the bridge will not restrict passage of the 100-year flood discharge of the creek. WSC, MBI, and MBI's subcontractor Sungate Environmental examined areas along Crabtree Creek that would be suitable for bridge construction. Constraining factors included existing topography, straight versus crooked runs of the creek, and areas with minimal width of the regulatory floodway. Once a suitable location was determined (straight run with the narrowest regulatory floodway) that met these minimization criteria, Michael Baker prepared preliminary bridge design schematics that incorporate vertical concrete headwalls/abutments placed outside the regulatory floodway, precast concrete "I" beam trusses, and poured -in -place concrete deck and guardrail systems. (See attached schematic drawings.) Approaches to the bridge were designed to incorporate vertical concrete retaining walls (again, to minimize buffer impact area) and compacted earth fill to bring the approaches to final grade. Trader Construction Company, a bridge construction contractor provided Sungate Environmental with guidance on the minimum extent of areas that would necessarily be disturbed for bridge construction. In accordance with 15A NCAC 02B .0611 (b) (2) (A), the basic project purpose cannot be practically accomplished in a manner that would avoid or better minimize disturbance, preserve aquatic life and habitat, and protect water quality. Bridge Construction activities will be confined only to the area identified for buffer impact authorization. Typical bridge construction techniques are to be employed. Steel I-beam pilings will be driven to bedrock refusal, with poured concrete footings and vertical headwalls/end bents supported by these piles. Concrete retaining walls will be constructed for approach areas and compacted fill placed to final lines and grades. Equipment to be used during bridge construction are those types typically used for construction and earthwork (such as excavators, bulldozers, graders, and cranes). No direct or indirect impacts to Crabtree Creek are proposed, temporary or otherwise. Bridge Construction Sequence • Flag clearing limits for bridge approaches, end bents, and wing walls. • Clear and grub flagged area for bridge approaches, end bents, and wring walls. • Install perimeter silt fencing/reinforced silt fencing/silt fence outlets. • Excavate area required for foundations/footings. Remove spoil to suitable storage areas. • Install driven HP 12 X 53 steel piles to refusal. • Install forms for placement of concrete foundations/footings. • Place concrete in foundations. • Remove concrete forms from foundations once cured. • Install forms for placement of concrete in end bents, pour end bents, and strip forms once cured. • Install wring walls. • Backfill approach areas behind end bents and wing walls. • Set precast concrete beams. • Form, pour, and strip concrete bridge deck. • Form, pour, and strip concrete barrier rails and median barrier. • Form, pour, and strip east end and west end approach slabs. • Grade final approaches to provide positive drainage to the depleted Triangle Quarry pit. • mstau permanem seeaingrestaDnsn grouna cover tincivaing any requirea riparian plantings) on disturbed areas (Note: pursuant to 15A NCAC 02B .0714 (11)(g), a one-time fertilizer application at agronomic rates is deemed allowable in the riparian buffer to establish replanted vegetation.) Re -vegetation plantings will incorporate soil fertility tests and nutrient recommendations by the NC Dept. of Agriculture - Agronomic Division. Attach a site plan as applicable to the project: (lick the upload button or drag and drop files here to attach docurrent Wake Stone Corp E&SC Plan.pdf 9.72MB Wake Stone —Permit Package Buffer_20200204.pdf 819.91 KB Wake Stone Corp E&SC Narrative.pdf 5.06MB MSHA- Haul Roads.pdf 6.8MB Bridge Visualization. pdf 1.25MB Bridge Traffic Scenarios 1 & 2.pdf 915.78KB Buffer Impacts Drawing.pdf 2.77MB WSC Site Plans 8-4-2021 Page 3-4 of 13.pdf 15.57MB FUF only ** Below is a link with instructions on what you will need to show on your site plan. http://edocs.deq. nc.gov/WaterResou rces/0/doc/402224/Page 1.aspx 5. Jurisdictional Determinations .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 5a. Have jurisdictional wetlands or stream determinations by the Corps or State been requested or obtained for this property/project (including all prior phases) in the past?* F Yes r No 5b. Who did the determination on the jurisdictional areas? Who did the determination? I List name if known Date Attach State Stephanie Goss (Na�ifknown) 12/03/2019 DWRBuffer 3.72M. Letter- Wake Stone Triangle Quarry Haul Road Area.pdf Of only State Stephanie Goss (W� if known) 06/20/2020 Wake Stone 975.1. RDU_DWR Buffer Letter_NBRR... 176 (Expires 6- 20-2024) ,reduced.pdf Of only Corps Ross Sullivan (��iflanown) 01/15/2020 2019-01286 2.2MB AJD Tearsheet.pdf pdf only *** Please include the date of the determination and upload a copy of the determination. Comments: 6. Project History 6a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past?* t: Yes r No 6b. List any permits/approvals that have been requested or obtained for this project in the past. Application Date Date Issued Permit Type 1991 NWP14 & NWP26 6c. Please explain and detail according to "help file" instructions.* Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". Previous Nationwide Permit verifications were obtained for the Triangle Quarry in 1991, but not for the area of the proposed bridge over Crabtree Creek and no previous Neuse Buffer Authorization Certificates (as the buffer rules did not exist in 1991). The proposed mining permit expansion project and associated bridge will avoid all jurisdictional WOTUS for the foreseeable future. The future pit on the RDU Airport property may eventually require impacts to WOTUS and Neuse Buffers some time in the future depending on market demands. Any such impacts would be requested from the USACE and DWR at that time. On April 7, 2020, Wake Stone Corporation (WSC) made application for authorization of impacts to the Neuse River Riparian Buffer under the provisions of 15A NCAC 02B .0233. On June 4, 2020, the NC Division of Water Resources issued the requested buffer authorization (DWR#2017-1487v3), conditioned upon receipt of the required modified Mining Permit. The Buffer Authorization was subsequently appealed to the NC Office of Administrative Hearings. The contested case was heard by Michael C. Byrne, Administrative Law Judge on February 17-19, 2021. In his FINAL DECISION issued on September 27, 2021, Judge Byrne REVERSED the agency's issuance of the Buffer Authorization, stating that the agency had failed to document the required finding of facts and had acted erroneously with respect to issuance of the Buffer Authorization. By letter dated October 7, 2021, NCDWR notified WSC of the ALJ's final decision, stating that WSC does not have authorization to impact riparian buffers under the Neuse River Riparian Buffer Rules. Having no other apparent recourse, Wake Stone Corporation is re -applying to the NCDWR, requesting a Buffer Authorization under the revised Neuse River Riparian Buffer Rules which became effective June 15, 2020 as codified at 15A NCAC 02B .0714. 7. Future Project Plans 7a. Is this project a phased project?* r Yes f No 7b. If yes, explain* n Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". The new pit on the RDU Airport lease property is designed to avoid all impacts to WoTUS and Neuse Buffers. However, any additional expansion of the pit in the future will most likely require impacts to WoTUS and/or Neuse Buffers. This will be years from now and dependent on market demands. Wake Stone Corporation will request and obtain any necessary approvals from the USACE and DWR prior to conducting any such impacts. C. Proposed Impacts Inventory C. Proposed Impacts Inventory ^, ...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................-........... Buffer Impacts la. Project is in which protected Basin?* r Neuse River Basin (15A NCAC 02B.0233) f Catawba River Basin (15A NCAC 02B.0243) r Randleman Lake Watershed (15A NCAC 02B.0250) f Tar -Pamlico River Basin (15A NCAC 02B.0259) r Jordan Lake Watershed (15A NCAC 02B.0267) r Goose Creek Watershed (15A NCAC 02B.0606 & 15A NCAC 0213.0607) You can find which river basin you live in at the link below. http://wmw.eenorthearolina.org/riverbasins-gis-map.asp 1c. Individually list all buffer impacts below. If any impacts require mitigation, then you MUST fill out Section D of this form. Please note: if the impact you list belowrequires mitigation choose "allow w/ mitigation" under impact type. Site# - Reason Stream Name Buffer Impact* Impact Type * Zone 1 Zone 2 Bridge Crossing 1 Crabtree Permanent Allowable 6,404. 5,645. K/hp label (e.g. Pbad Creek (P) 00 00 Crossing 1) Perm orTerrp Square Square Feet Feet Total Zone 1 Impacts: 6,404.00 Total Zone 2 Impacts: 5,645.00 Total Buffer Impacts: 12,049.00 Comments: Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". D. Impact Justification and Mitigation D. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project.* Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". Wake Stone Corporation hired S&EC, PA to delineate and verify all jurisdictional wetlands, streams, other Waters of the US (WoTUS) and Neuse Buffers on both the RDU Airport lease property and the existing Triangle Quarry site. Wake Stone Corporation then used this information to design the pit on the RDU Airport lease property to avoid all impacts to WoTUS and Neuse Buffers. They then designed the bridge across Crabtree Creek to avoid impacts to WoTUS and to cross the creek and Neuse Buffers at a perpendicular angle to minimize impacts to the Neuse Buffers. The project proposes NO IMPACTS TO CRABTREE CREEK (temporary or otherwise). Future impacts to the WoTUS and Neuse Buffers will be necessary for expansion of the pit on the RDU Airport lease property, but these will be years from now and dependent on market demands. As such these resources can remain in place until then and of course pending any necessary approvals from both the USACE and DWR. See attached Wake Stone Corp E&SC Plan" • Bridge design incorporates the minimum width necessary to meet the project purpose. A 60' wide bridge is necessary for safe and efficient two-way mine haul truck travel, and to protect against spillage into Crabtree Creek. • Location of the bridge was chosen in a straight run section of Crabtree Creek. This location allows construction of the bridge at a 90-degree angle to the creek, thereby minimizing the area of buffer impact. • Bridge approaches were designed with the minimum turn radius required for safe operator visibility, thereby minimizing the area of buffer utilized. • Compacted fill required to bring the bridge approaches to final lines and grades will be placed between vertical concrete walls. Use of such walls increases project overall costs but minimizes required buffer impact footprint by negating the alternate need for 21-1:1 V fill slopes. WSC and its contractors have made extensive efforts to minimize the area of impact associated with the bridge construction project. In accordance with 15A NCAC 02B .0611 (b) (2) (B) the use cannot practically be reduced in size, re -configured, or redesigned to better minimize disturbance, preserve aquatic life and habitat, and protect water quality. 1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.* Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". Wake Stone Corporation is in the process of obtaining an updated Mining Permit for the Triangle Quarry to include the RDU Airport lease land and bridge. This Mining Permit will include all required BMP measures to protect downstream water quality. See attached Wake Stone Corp E&SC Plan & Narrative*. During the design phase of the bridge project, WSC and its contractors (MBI, Sungate, and Trader) made concerted effort to devise a bridge design of the minimum size necessary to meet the basic project purpose. Final bridge design incorporates the use of concrete end bents supported by driven steel piles and concrete footers. As previously discussed, these structures will be placed outside the regulatory floodway of Crabtree Creek and will support a system of precast V beam girders supporting the solid concrete bridge deck. The bridge decking will be installed without through -deck scuppers to prevent stormwater drainage to the underlying Neuse Buffer and Crabtree Creek and will incorporate guardrails to prevent spillage into Crabtree Creek or its riparian buffers. A bridge design of this scope will allow the bridge construction contractor (Trader) to operate completely within the limited buffer impact footprint indicated on the plans. Prior to initiation of bridge construction, the approved limits of disturbance on both sides of Crabtree Creek will be clearly marked, with tree protection fencing installed as necessary. Erosion and Sediment Control Plan dictated silt fencing (with protected outlets) will be installed prior to the clearing and grubbing required for bridge construction. Such structures will be inspected daily and repaired as necessary to prevent any sedimentation or other disturbance beyond the approved disturbance area. Access for equipment utilized during the construction process will be limited to the non -buffer portions of the project area. Cranes, excavators, and other equipment utilized for driven pile installation, foundation footing installation, and construction of the concrete end bents will remain within the approved disturbance area. Cranes utilized for placement of the precast concrete I-beam trusses will operate only within the bridge approach areas. In accordance with 15A NCAC 02B .0611 (b) (2) (C), these best management practices shall be used to minimize disturbance, preserve aquatic life and habitat, and protect water quality. E. Diffuse Flow Plan E. Diffuse Flow Plan All buffer impacts & high ground impacts require diffuse flow or other form of stormwater treatment. If the project is subject to a state implemented riparian buffer program, upload a plan that fully documents howdiffuse flowwill be maintained. All stormwater control measures (SCMs) must be designed in accordance with the NC Stormwater Design Manual. Associated supplement forms and other documentation must be provided. For a list of options to meet the diffuse flow requirements, click here. la. What type of SCM are you providing?* I- Level Spreader r Vegetated Conveyance (lower SHWT) r Wetland Swale (higher SHWT) W Proposed project will not create concentrated stormwater flow through the buffer r Other SCM that removed minimum of 30% nitrogen 1 c. Diffuse Flow Documentation* click the upload button or drag and drop files here to attach docurrent Wake Stone Corp E&SC Plan.pdf 9.72MB FDF only F. Supplementary Information F. Supplementary Information Environmental Documentation la. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land? r Yes r No Violations 2a. Is the site in violation of DWR Wetland Rules (15A NCAC 02H .0500), Isolated Wetland Rules (15A NCAC 02H .1300), DWR Surface Water or Wetland Standards, or Riparian Buffer Rules (15A NCAC 02B .0200)? r Yes r No 2b. Is this an after -the -fact buffer authorization application? r Yes r No G. Additional Information Please upload any additional information you would like the Division to consider during application review. Additional Attachments: nick the upload button or drag and drop files here to attach docurrent Combined Project Purpose Need and Minimization 15.54MB with attachments.pdf PDF only Additional Comments: Please refer to the attached "Demonstration of Project Purpose, Need, and Minimization of Impacts". G. Sign and Submit G. Sign and Submitt ^ By digitally signing below, I certifythat: o I have given true, accurate, and complete information on this form; o I agree that submission of this form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act') o I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act'); o I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND • I intend to electronically sign and submit the application form." Print Name:* S&EC, PA- Bob Zarzecki Signature * 6; ' ~ ,rm.�. 1 Submission Date: (Auto populated field) ►CJ U.S. Deportment Airports Division of Transportation Southern Region Federal Aviation Alabama, Florida, Georgia, Administration Kentucky, Mississippi, North Carolina, South Carolina, Tennessee, U.S. Virgin Islands April 29, 2019 Mr. Michael Landguth President & CEO Raleigh -Durham Airport Authority 1000 Trade Drive P.O. Box 80001 RDU Airport, NC 27623 Re: Lease Agreement between RDUAA and Wake Stone Corp. Dear Mr. Landguth: 1701 Columbia Ave. College Park, GA 30337 This is a follow-up to the letter dated March 21, 2019, from James Lofton, FAA Assistant Chief Counsel, regarding the RDUAA mining lease (Lease) with the Wake Stone Corporation at the Raleigh Durham International Airport (RDU). The RDUAA lease agreement involves approximately 100 acres of airport property located 2.7 miles south of the RDU airport operations area to the Wake Stone Corporation. This parcel of land borders an existing, off -airport rock quarry operated by the lessee. The existing quarry is approximately 8,967 feet from the nearest aeronautical feature, and the quarry's expansion onto airport property, would be 8,822 feet from the nearest aeronautical feature. The existing, approved ALP currently designates this parcel for "Industrial/Quarry" use. The leasehold is comprised of land acquired by the RDUAA, with airport revenue, between 1972 and 1984. The FAA's Determination Reeardina the Lease In our March 21 letter, we explained the limitations Section 163(a) of the 2018 FAA Reauthorization Act places on FAA's regulatory authority over: (1) the acquisition, use, lease, encumbrance, transfer, or disposal of land by an airport owner or operator; (2) any facility upon such land; or (3) any portion of such land or facility. We also explained the exceptions to those limitations. Based on: (1) information RDUAA has submitted to the FAA, and (2) a review of our records, including the current Exhibit "A" map and relevant property deeds, we have made the following determination: • The lease does not appear to adversely affect the safe and efficient operation of aircraft or safety of people and property on the ground related to aircraft operations; • No federal funding was used in the purchase of this parcel. Therefore, the FAA will not require a release or other determination with respect to the lease Nevertheless, the FAA continues to have authority to ensure that RDUAA receives not less than fair market value under the lease terms and that the revenue received from the lease is used for the capital or operating costs of the airport, in accordance with 49 U.S.C. Sections 47107(b) and 47133. The FAA may verify compliance with these requirements through a financial compliance review, the enforcement of grant assurances, or other enforcement mechanisms at a later date. Moreover, all of RDUAA's federal statutory and grant assurance obligations remain in effect concerning the parcel. This includes the obligation under Grant Assurance 29 to maintain a current ALP at all times. The FAA's review of the ALP indicates that the quarry as described in the lease is already reflected on the ALP. However, should the leaseholder seek future expansion of the quarry or other material revisions to the terms of the lease, then RDUAA should contact the FAA to assure any proposed revisions to the lease do not change any of the conclusions reached in this letter. RDUAA should retain sufficient authority over the parcel to prevent uses which conflict with its federal obligations and related requirements or create conditions resulting in violations of the assurances. Subordination clauses or other restrictions may be appropriate. Applicability of the National Environmental Policy Act (NEPA) Because the FAA will not require a release or otherwise determine whether RDUAA properly entered into the lease, and the ALP already reflects the quarry as described in the lease, there is no FAA action subject to NEPA. If you have further questions or need for clarification, please feel free to contact me at 404-305-6700. Sincerely, 1117A r//li 7 Steven Hicks Director, Office of Airports Southern Region RDU RALEIGH- DURHAM AIRPORT AUTHORITY 1 0 0 0 Trade Drive ' P O B o x 6 0 0 0 1 RDU Airport, NC 2 7 6 2 3 JNI Michael J. Landguth, A.A.E. tel: (619) e40-7700 • lax: (ale) 640-0175 • ww...rdu.com President & CEO LESSOR CERTIFICATION/AUTHORIZATION Project Name/Description: 205-ACRE PROPERTY S&EC Project# 12812 Date:2019-2020 The Department of the Army U.S. Army Corps of Engineers, Wilmington District 69 Darling Avenue Wilmington, NC 28403 Attn: Ross Sullivan USACE Regulatory Field Office: Raleigh I, the undersigned, a representative of the duly authorized lessor, operator, and developer, having complete authority over the properties identified herein (as provided by applicable law), do authorize representatives of the Wilmington District, U.S. Army Corps of Engineers (Corps) and Soil & Environmental Consultants, PA (S&EC) staff to enter upon the property herein described for the purpose of conducting on -site investigations and issuing a determination associated with Waters of the U.S. subject to Federal jurisdiction under Section 404 of the Clean Water Act and/or Section 10 of the Rivers and Harbors Act of 1899. This document also authorizes S&EC to take all actions necessary for the processing, issuance, and acceptance of a permit or certification and any and all associated standard and special conditions. This notification supersedes any previous correspondence concerning the agent for this project. NOTICE: This authorization, for liability and professional courtesy reasons, is valid only for government officials to enter the property when accompanied by S&EC staff. You should call S&EC to arrange a site meeting prior to visiting the site. PARCEL INFORMATION: Parcel Index Number(s) (PIN): 105-acre portion of 0767324317 Site Address: southeast of Old Reedy Creek Road, Cary, Wake County, NC Lat/Long: 35.841575 /-078.775912 Watershed: Crabtree Creek, 27-33-(3.5), "B;NSW", Neuse 03020201 LESSOR, OPERATOR, DEVELOPER WITH COMPLETE AUTHORITY Name: Raleigh -Durham Airport Authority Address: 1000 Trade Drive, PO Box 80001, RDU Airport, NC 27623 Phone No.: (919)840-7702 Fax No.: (919)840-0175 Email: michael.landguth@rdu.com Michael J. Landguth, President & CEO Lessor (please print) Lessor May 31, 2019 Date John M Kane, Chairman Patrick Hannah, Esq., Vice -Chairman Robert D. Teer, Jr.. Treasurer Wake County Durham County City of Durham David Morgan Sepideh Sardi, PE, Secretary David Kushner Durham County City of Raleigh Wake County Dickle Thompson City of Raleigh Napoleon Wallace City of Durham Environmental Consultants, 8412 Falls of Neuse Road, Stnee 104, Raleigh, NC. 27615 • Phone: O19) 846-5900 sandec.com PROPERTY OWNER CERTIFICATION / AGENT AUTHORIZATION Project Name/Description: WAKE STONE — TRIANGLE QUARRY S&EC Project # 12812 Date: 2020 The Department of the Army U.S. Army Corps of Engineers, Wilmington District 69 Darlington Avenue Wilmington, NC 28403 Attn: Lyle Phillips or assigned) USACE Regulatory Field Office: Raleigh I, the undersigned, a duly authorized owner of record of the property/properties identified herein, do authorize representatives of the Wilmington District, U.S. Army Corps of Engineers (Corps) and Soil & Environmental Consultants, PA (S&EC) staff (as my agent) to enter upon the property herein described for the purpose of conducting on -site investigations and issuing a determination associated with Waters of the U.S. subject to Federal jurisdiction under Section 404 of the Clean Water Act and/or Section 10 of the Rivers and Harbors Act of 1899. This document also authorizes S&EC (as my agent) to act on my behalf and take all actions necessary for the processing, issuance and acceptance of a permit or certification and any and all associated standard and special conditions. This notification supersedes any previous correspondence concerning the agent for this project. NOTICE: This authorization, for liability and professional courtesy reasons, is valid only for government officials to enter the property when accompanied by S&EC staff. You should call S&EC to arrange a site meeting prior to visiting the site. PARCEL INFORMATION: Site Address: 222 Star Lane, Cary, Wake County, NC PIN#(s): 0766809143 Deed: B2958/P3 Area: +/- 219 acres Lat/Long:35.837642/-78.778486 Watershed: Crabtree Creek, 27-33-(3.5), "B;NSW", Neuse 03020201-0803 PROPERTY OWNER INFORMATION: Name: Wake Stone Corporation Address: 6821 Knightdale Blvd., PO Box 190, Knightdale, NC 27545-0190 Phone No.: (919) 266-1100 Fax No.: (919) 266-1149 Mobile No.: (919) 291-6037 Email: sambratton wakestonecorp.com i Sam Bratton � / "Z' d Property Owner (please print) Date Owner Signature We hereby certify the above information submitted in this application is true and accurate to the best of our knowledge. IIV// r Site meMMPakryM1 Du[MmlmemAwlNryw[ � -- _ I/ � � �. .. � �— // 4 .A m h,Xre. _ a 01../ St - - fam6 3a500Z3acJ — _a, _ a-- n¢P Y.1N � 4�.1n0f pl°paMel naie@n WMam mammon,I Al m Vicinity Map �`y an.mtM1 m Im.m«mmibmm - _ _ F _ trPP4 swy /? rmpeMaf n°neM1 o.nem lmamxmaxNmm � _ W y rm,aw.•wxa �.h - e t. 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TOB Crabtree Creek Ta of BanX 100 MOB%3 2%132T.3 Was Cabtree Creek To &Bank 101 TRIBl61 20571a Is TOR cmbtree UeekT &Bank al M092S2 201saLL/ TOR Cmbtree Creek Ta dBank IN MO%16 206)M8.3 TOR Cabtree Creek To MBank 1N M09243 2152D1.1 TOO Crabtree Creek To dBank 1% MO996.9 0%Ra6.1 TOR Cmbtree CreekT &Bank 106 )61064 206)ID8.3 TOa Cmbtree CRek To MBank 10I )61O3R) 206RM.6 TOR Gamree Creek To dBank JOB WID5555 20GT)891 TOR Crabtree Creek To dllank M wlasuo 2067m6.4 TOB Cmbtree CreekT &Bank ll0 M11093 MI6)3D.2 TOO CMbtee Creek To &tank lll MIIxS) 20 T5363 TDB C Ikme Leek To.of Bank m )61139.1 2I6AN.5 TOR Cabtree CreekT deank 113 )611K.3 1061353.5 TOB Cabtree CreekT &Bank 314 M115T) 206731 TDB Cmbbee Creek Ta dBank ll5 M11T2.) 216I4110 TOO Cnn.re CreekTo dank 116 ff1282 206)450A TOR cmbtree Creek To of Bank Il) MI2O2.1 206]4M.1 TOO Cmbtree Creek To d1In, IN M123).) 26M32.1 TOB Uab"re CreekTo &Rank 114 )612554 E%MMS TOR Cmbtree Creek To dWnk 12D M3xD.3 26Mafi lIB Rabtree UeekT of Bank 121 M12930 206alim TDB Cmbtree Creek To of Bank 122 M331a.7 216TIa5 MIS Cmbtree Creek To &Bank Ta M13022 xgs5.1 TOR Cmbtree Ueek TopdBxnk 111 )61T)4.9 26M29.0 TOR Cmbtree Creek To dBank IN 2631ROL3 BUMS .9 TOO Crabtree Creek Tc &flank IN M1130/ 21629f6,) TOR Crabtree Creek To daenk 1D M344a6 losas6) TOO Cabtree CreekT dBank ) NI6M9S9 TDB Crabtree CreekTo dBank 1 206Bp5)b TOO Crabtree Ueek To of Bank 6 25306R.9 O &Bmk 9 20681162 WM... 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TOB Crabtree Creek To of Bank M6R95.3 TOR Uaburee Creek To &Bank 116) e 55-6 4 1166 135 M15859 26B1rh/ lOB Cmbtree Creek Tup&Rank Panel 8 14 ]36 M15663 266N).4 Ell Crabtree Creek To Dr Bank ST M15211 Z%8150.1 TOR Crabtree Creek To dlank Sfrwrt 5 Fahe Desbl an f&1Oami WIdN fl 316i )�5 20661fO2 SS38 Stream STencer Cbannei B 1163 M06141 2662168 SS25 Rream SCencerGannel 5 116a )%63)6 A%131.5 SS3) Stream SCerrterChannel ) 11% )WGIBt 26611RT SS45 Rream SCencer Uannel 5 I1fi6 2316600 EG661D.d SS55 Rream S[encer Channel 5 136/ )fi68S] 10661PA3 5569 kream SCencer Channel d 1168 MO)Q2 2a�.6 SS)4 Rream SCenter CM1annel 1 Il® MW6).0 2Yifi®>.6 SSd/ $reams@mar Cannel / ]3]0 MWBai 24F029.> SS93 $reams@racer CM1annel 3 llR M9B16) 21660fB.6 SS104 Stream Siemer Cannel / 11R i$1R341 DXSbd.3 SSI16 $[ream SCemer Uannel / 11R )fi�65 2YiM53 SS12d $beam SCemarUannel / 31)4 MO®D9 2066033) SS133 $ream Stencer Channel 3 11M )60A1.) ZI6601A.3 SSa4 $Rim SCencerChanMl d IlM )60%1.1 2aa023.0 SS153 Steam S[emerChannel 3 I1D )965i5 2%F0l).3 SSM3 Streams CeMerthannel 3 UM )fi09fl.1 2%5999.1 SSi)3 RreamSQncerGmnel 3 ]IA M10259 21fi5995T $S1R3 $ream SCencertlranMi 3 f180 M3®30 2660134 SS194 Stream SCenrerUlannel d SOS] M36124 26)®B.] W PorM nWaerl Wafer One 1058 J616366 2%)6)GB PI.3D POM Welland Fringe 26)fi63.3 R-31 Pond Wetlantl Fdn e M3616) 1061 Mi6tax 206)fi65.3 w Po O nWaerl WrteruM 1062 J616531 205)61R0 PI-32 Pond WetlaM id ]Ofi3 ]616531 26]6q.4 W Pond/ nW&er3 Wacer0ne ]lYA MI65S5 26)61>) PY33 Ports WetaM FH ]O65 MI66).s 3%)619.1 w Pond/0 nWacerl W&erune 10% Mlb8t9 205)580.3 P1-34 Ports Wetland Mn 106) ]61®I6 x(16)Sfl5.9 W POM/O nWaterl WseruM ]O6B ]61209.2 E06)SSa6 PI-35 Ports Welland Fri 1069 MI)14.6 26M51.0 W Pon nWaerl Wacerune ]OA )61]319 216)530.9 PI-% POM Wetlantl Ringe 10>1 MS]/0.1 26)5ffi3 W Pond/O n Wrter1 WMeNne ]OR M1A1.a 206M24.2 P1-3) Pond Wetland Frine 30)3 M37W.8 26M28.5 W Po O nW&erl Waterline ]W/ M181R.4 2615085 PI.3B POM WetaM id ]QM M]Hlifi 2f16-I511R W Pon nWaerl Wrterune IO)6 M]%2E 216/dBfiB P1-39 Pond Wetlantl fH 102E MI8Si4 216)489.2 W P O nWaerl WateruM ]OM J619128 206)961.9 PIJO Pond Wetland Ftl ]OA Mag[0 26/465J W PontlD nWaerl WIIerune I® MI9626 26)4529 P1Al POM Wetlantl Fri 1lR MIS6T3 2%]455) W PDrgOen Waterl W&eruM 3OR M1990.1 26]450.1 P1-R Pand Wetland Frl ]Om M19BB6 26a533 W Po nWmrlWmrune M199e3 ]O6)N90 P313 POM WttIaM FHn ]OflO M20023 26)I521 W P 0 nWaterl W&er Une ]®6 )622).T 26)4D.0 Pl-M Pats Wetlantl Frin e ]OB) M2031 216)450.0 W pots/O nWaterl Waterline ]ORB )62D3.9 26)44D) P1J5 PmNi Wetland Fd e ]� M2[i42 ZO6)45D.0 W Pon nWaterl Wrter One 1%0 M2N36 216]43].9 P1-46 Pontl Wetlantl Frin 1091 M2N23 26]W46 W PmW/O nWaterl WaleruM ]O0L M2F[26 ]O6)4ffi2 PIJ] Pond WeHaM Fd 1®3 MMfias m6E9m.s W Pond nwarcrl Waterline 1091 M2D9.8 2062446.5 PiJB POM Wetland Fd e ]Pl5 )fib18]-9 N16)4S).5 W prxtl/O nWaterl Wa[eruM ]096 M2Y.4 206/O51a P1-19 Pand Wetland Frin e 104E M�.3 26)I558 W Po O nWrteri Wacerune ]� 2O]36a 26/412A PS-50 Pots WeIIarM Fri J099 x+rar0 M6/41R) W PorM/O nWaerl WrteruM 0 100' 200, 300' Graphic Scale > " _ > 00' Stream T an an 1136 ]61155D 26T3%B 52-13 5[ream2Cencertlmnnel S. 3r 113) M1166) 20fiA6)A 52-23 ECeMer ChanMl 3 1138 M11631 2%/iW2 STd3 Rream xCencerrJmnnel 3 1139 M11Ti9 26)3438 S2i5 $ream 2CemerChannel 5 11% M1260 306)33a3 52-53 $ream2CemerOunMl 3 1191 M1216) 26)3260 Sh64 $ream2tencerUmnnel 9 3a2 M12333 M6)3015 52-)3 Ream 3CencerChannel 3 1143 M121ae EO6RM.9 SIA4 Rream2GMer CbanMl / i1M M12fi5.9 26)M20 S2A4 RreamxCencerUiennel / ll45 )61M5.3 26R553 SE-]03 Rream ZCemerUvnnel 3 3146 M131).2 216)2322 52-112 RreamE4mer Uannel 2 Jones Surveying and Consulting, PLLC L. Randall Jones, PlS (L-3245) 6G11erune Pvenw eNIGN)WD, N.0 3)Sa5 Plat of Waters of the US Survey for for Wake Stone Corporation Saeet6el10 Gareor5ury :luNe,M9 IID M145L5 M62901.6 W214 O .Wxer2Warertlne lu4 )s14s,a 206]8884 waz OwrWte,2WaeruM IUS 1 7614690 1 M6]e)63 W2-3 (Own Water 2 Water One 1UH51 761484.2 1 216]880) W2-32 O nWater2Water One 1127 7614592 206)9014 W2 13 Own Water2Wrwrline 1128 763510.3 216)841.9 W24 Own Water Meter One 13D 761540.8 2061845.7 W2-5 O nWater2 Waterline 113D M15696 2062 11 W2-6 OaanW9ar2WauUna 1131 M .9 M011577 W2-0 0 nWater2 Wa[er One 1132 Xi15664 ID62 33 W2-8 a nWaer2Waterune 1133 161556.7 216)8882 W2-9 Own Wzrer2WaterOne 1134 2615M3 20618620 W2-10 Open Wwar2Wawu.i,, 1135 761510.8 2D6]6]04 W2-11 011enWatar2WAeriine Q Toe ot\ooQa�e36 ane Panel 6 139 TOR xa a oe �eStio o4�apS1 Toe 2 � O� 0 'et/ roe °4� QI, L. RANDALL JONES, PLSa certify that this project was completed under my direct and responsible TM G°oo charge from an actual survey made by me; that the boundaries not surveyed are drawn from Wake ;OR y�a�e County GIS; that the ratio of precision of the positional accuracy is sub -meter, and that this map meets - the requirements of The Standards of Practice for Land Surveying in North Carolina (21 NCAC 56.1600). This2t` day of Aulllcgs 7 ,2019. Aa,tUrli'.r r:glarh o �Ess •• Oe • SEALS SEAL �,� f y ,e �r— ,a� L. Randall Jones = L-3245 ��_ Z �r NC Professional Land Surveyor (L-3245) ,•is...... to ��.1"bb Notes: Lr) _ a _� 1) Waters of the US (WoUS) including wetlands, streams, and open waters (pond)shown on this N 4J map were delineated by Soil and Environmental Consultants, PA (S&EC), 8412 Falls of Neuse f0 Cp Road, Suite 104, Raleigh, N.C. 27615 and field verified by Ross Sullivan of the US Army Corps of d fi Engineers on August 21, 2019. 2) NC State Plane coordinates shown hereon are referenced horizontally to the North American Datum of 1983 using the 2011 Adjustment (NAD83/2011). 3) This is a wetlands and US Regulated Waters Survey referenced to the property lines taken from Wake County GIS Data. 4) This Survey meets the horizontal accuracy standards for a Class B LIS/GIS SURVEY (sub -meter) as set forth by the NC Board For Engineers and Land Surveyors in 21 NCAC 56.1608. 5) Field survey was conducted using the Global Navigation Satellite System (GNSS) on July 8, 2019 using a Trimble GEO 7X (sn 5737479817) with external Zephyr 1_1/1_2 Antenna (sn 31211179821) and post processed in reference to the closest three (3) CORS Stations (NCRD, DURH, NCJL) with Panel 6 Trimble Pathfinder Office software (version5.90). 95 % M 6) Several Existing Iron Pipes (EIP) (property corners) were also located along Crabtree Creek at the Panel 9 _ time of survey and plotted on this map. 0 100' 200' 300' FEW Graphic Scale > " _ > 00' Jones Surveying and Consulting, PLLC L. Randall Jones, PLS (L-3245) < p4t3. r 115as Plat of Waters of the US Survey for for Wake Stone Corporation an«„o/1p W,e o/Survey'.Iu1v6. E019 Panel 7 rdb >D 3, Property of Wake Stone Corporation Wake County Registry Book of Maps 1982, Page 364 0 100, 200' 300' Graphic Scale > " _ > 00' Jones Surveying and Consulting, PLLC L. Randall Jones, PLS(L-3245) Bon.<o�aa.<��< KNIGHmue. x, c 27w5 Plat of Waters of the US Survey for for Wake Stone Corporation SM1eet 8a�l0 �a�e a/SurveY..luly02019 4 5� 155ii566 tt65 5 5 S S5- 55--J 1163 55-2 5 J 8 35 TOO 36 TOB 3) TOO \ 38 TOB W I a)//`0 a.. _, - a_ Wetland ] P&M HOMI EkM 4sa1 m FW Ba4a1 114I )FM611 2066455.5 W1-] lwNappd1 1148 Jfi0402J 2006131) W]-2 WetlandI u49 ]605091 za6641s) W1.3 WedrndI 1150 )Yh25.9 2066433.0 W14 WedalMI 1ss1 )raslu m6646z] W1-5 Wedandl 1152 )fiO4)fl9 2RG4%5 W1-6 WetlandI 1160 I60424.2 2KW93.9 W]-14 W 0.rrd1 1161 ]60434.3 20fi4)5.6 W1-]5 Wetlandl 40 43 TO 46 Toe K roe Wetland 1 0.091 Ac. 12 -6 20680689 TOB Crabtree Creek To of Bank )615aa9 2060116.2 TOO Crabtree CreekTo ofBank )6158,6 ID M7 TOB CrabneeCreekTo ofBank T61605.2 2OEaO39.] TOO Crabtree Creek Ta of Bank I)6n%6 )61WLG ID 53 TOO Crebtree Creek To of Bank )61 ,9 206fl366.4 TOB Crabtree Creek To of Rank ]61565.3 ID6OVA TOO Crabtree Creek To of Bank 76152L3 2060450.1 TOO Crabtree Creek To of Rank 1M 7614N4 2060481O TOO Crabtree Creek Top of Bank 139 7614489 2064529.31 TOR Crabtree Creek TO of Bank IQ)61415.1 ID6fl5W.6 TOB Crabtree Creek To of Bank 141 76..1 206a5923 TOO Crabtree Creek Top of Bank 142 1 76 ,4 126 9.91 TOB Cra&ree Creek To of Bank 143 1 ]61401) 1 206867.51 TOO Crabtree Creek Top of Bank 144 1 761397A 12a6066241 TOO Crabtree Creek Top of Bank 145 )61438) 2069697.9 TOO Cabtree Creek Top of Bank 146 7614319 2068712.5 TOO Crabtree Creek Top Of Rank 147 ]634$2 206B)30.4 TOB lcneporeeceek To &Rank 14P 761489.2 20602416 TOB Crabnr.Creek To MBank 149 )61530.1 2068753.6 TOB ICnkme Creek To MBank 150 7615N.5 2068)43.8 TOB Crabtree Creek To MBnk 151 761",7 2M717.5 TOB lCmbtmeCmekTop&Unk 152 761M7 20 47.9 TOB Crabtree Creek To of Bank 153 min 2W8569.2 TOO Crabtree CreekT MBank ]54 7617587 2068502.4 TOO Crebtree Creek To &Rank L55 761N1.0 IDri14)2.9 TOB Cnblree Creek To of0ank ]56 761a266 20683 A TOB Crabtree Creek To MRank 157 7618522 206 ..2 TOO Crabtree Creek To of Rank M )618)4.1 20 8.7 TOO Crabtree Creek To of Rank 159 76105.2 SO"a.4 TOB Crabtree Creek To MBank 160 7619242 2068274.3 TOO Crabtree Creek To dRank 161 )61964.3 2069}54.0 TOP Crabtree CreekT of Bank 162 )61990.0 2068249.0 TOO Cra&ree Creek To of Rank 163 ]61594.8 E0682314 TOB Crabtree [reek To of Bank IW )6_3 L582100 me Uabtree CreekT &Bank 165 )62M6a 206B251A TOO Crabtree Creek To of Rank 1% ]6210fl] 2069262.9 TOB Crabtree Creek To of Rank 50 Property of Wake Stone Corporation Wake County Registry Book of Maps 1982, Page 364 Naa�nei��5�� C/�/ Panel 8 93 1TOO f0O 91 TOO Crabtree Creek Water Surface Area 3.46 Acres +/- Length along Centerline/Property line 6,219feet 00 W 4 W Property of Raleigh Durham International Airport N 0 100' 200' 300' Graphic Scale > " _ > 00' 63 TOO 64 TOO 65 T00 66 TOO 6] TOO TOO 2 Jones Surveying and Consulting, PLLC L. Randall Jones, PLS (L-3245) �)5emn4 k.- NNiGHTOPLE,N. C27SC5 Plat of Waters of the US Survey for for Wake Stone Corporation 5�<e19 M10 if Date of Survry'.Iuly B. 3019 93 TOe and post processed in reference to the closest three (3) CORS Stations (NCRD, DURH, NCJL) with Panel 6 Trimble Pathfinder Office software (version5.90). L Line ,,,,„ 6) Several Existing Iron Pipes (EIP) (property corners) were also located along Crabtree Creek at the Panel 9 time of survey and plotted on this map. "This certifies that this copy of this plat accurately depicts the boundary of the jurisdiction of the Section 404 of the Clean Water Act as determined by the undersigned on this date. Unless there is change in the law or our published regulations, this determination of Section 404 jurisdiction may be relied upon for a period not to exceed five years from this date. The undersigned completed this determination utilizing the appropriate Regional Supplement to the 1987 U.S. Army Corps of Engineers Wetlands Delineation ))84 Manual, 33 C.F.R. part 328 and other U.S. Army Corps of Engineers guidance." Regulatory Official: Property of Wake Stone Corporation Wake County Registry Book of Maps 1982, Page 364 EN II• Graphical Scale Title: Date: USACEAction ID No.: Jones Surveying and Consulting, PLLC L. Randall Jones, PLS (L-3245) 607 Second Avenue KNIGHTDALE, N. C. 27545 Plat of Waters of the US Survey for for 40I Wake Stone Corporation 0 too' 200' 300' Graphic Scale > " = > 00' Sheet 1 of 10 Date of Survey: July 8, 2019 Jones Surveying and Consulting, PLLC L. Randall Jones, PLS (L-324S) 60)SewnC Pvenw MNIGHTDNLTN. C 27y5 Plat of Waters of the US Survey for for Wake Stone Corporation ��ee, Loa„o m�ems�rvee L�ma,vmz 0 x •�,^ Pond 1 1�'(,�Ln � W1 ■ Project Number: Map Title: 7ans] 12812.W2 0 ,000 2,0 Project Manager: Figure 1 - USGS Map I I BZ Wake Stone Property Feet Scale: Wake County, NC1" = 1000' •Source: Soil & Environmental Wake County USGS %JQ 1.�.1N-R-d.N.i.104, RoLmo.%C MI5. 9/27/16 NC Cary 2016 Quadrangle ��"°"° EnB2 I CeF]r {C!B V MIS. Alp �y tc'ecZ ABC2 A [32 art B. `. CRl'• } CB AD., �r der, ASC \ I } C.t3F eF kF .•G L{Pond I D w Glee. GCG- ,� WkL Xy IF} - }i j VJ { ry I l Cii'� +W�'4E- +k t Yc Q- h.i '*o 11 F ryry'' ISC r 5 r,. A A 5 l+ l f P, ff M1 .iL(4y Cti� FaR Agc R5 Af. Ari _ ? AOb AgEl t i {"F I • � ��11 �� f +~�5 �nC2 s-4, I' +Cgs 1713K� .. O ati E rf . . Project Number: Map Title: N 12812.W2 0 1,000 2,000 Project Manager: Figure 2- Soil Survey Map I I I I I I I I I BZ Wake Stone Property Feet Scale: Wake County, NC 1" = 1000' • S5oi1 & Environmental Consultants, PAource:Date: Wake County 9462 I.l ul%,-e R-d. ti.il I"RoLmo Mi5"Pwne(919)l 59 - F-: (919) xv'9 9/27/16 Soil Survey Sheet 37 -L&— w OIL N NN-0 ONr� L �w N 5- GRAPHIC SCALE 50 25 0 50 100 rILCC�LLLI �1�1 PLANS THESE EROSION AND SEDIMENT CONTROL PLANS COMPLY WITH THE APPLICABLE REGULATIONS SET FORTH BY THE NCG-010000 GENERAL CONSTRUCTION PERMIT EFFECTIVE APRIL 1, 2019 AND ISSUED BY THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES. < < • � T i�',� /Ii► /�� \ ice'• �� /�� T�� 7�� /�� T�� .� Ii► T /�� /// C'A'RO<� SEAL 26971 VO vG I N E �e d,\�: G. ///(I1111111\\\ Prepared In the Office of: SUNGATE DESIGN GROUP, P.A. . W 905 JONES FRANKLIN ROAD RALEIGH, NORTH CAROLINA27606 I I TEL (919) 859-2243 - _ ENG FIRM LICENSE NO. C- 890 Designed by: OSHUA G. DALTON, PE 3552 NAME LEVEL III CERTIFICATION NO. PROJECT SHEET NO. TOTAL SHEETS 481727 EC-1 INDEX OF SHEETS DESCRIPTION EROSION CONTROL COVER SHEET EC-02B EROSION CONTROL NOTES EC-03D EROSION CONTROL DETAILS EC-05 EROSION CONTROL PLAN REFORESTATION SHEET THIS PROJECT CONTAINS EROSION CONTROL PLANS FOR CLEARING AND GRUBBING PHASE OF CONSTRUCTION. THIS PROJECT HAS BEEN DESIGNED TO SENSITIVE WATERSHED STANDARDS (NEUSE RIVER BASIN). ENVIRONMENTALLY SENSITIVE AREA(S) EXIST ON THIS PROJECT Refer To E. C. Special Provisions for Special Considerations. 303(d) IMPAIRED WATER(S) EXIST ON THIS PROJECT 303(d) Impaired Water Zone(s) Exist From Sta. 10 + 00 —L— to Sta. 14 +.33.28 --L— Refer To E. C. Special Provisions for Special Considerations. PROJECT LENGTH: 0.082 MILES MICHAEL BAKER ENGINEERING, INC. CONTACT: PROJECT MANAGER BRADLEY J. BELL, P.E. SUNGATE HYDRAULICS OEN�INEECONTACT: JOSHUA G. DALTON, P.E. VEGETATIVE PLAN Seedbed Preparation Seeding Schedule For Shoulders, Side Ditches, Slopes (Max 3: 1): Date Tvue Planting Rate 1. Chisel compacted areas and spread topsoil 2 to 3 inches deep over adverse soil conditions, if available. Aug 15- Tall Fescue 300 lbs/acre Nov 1 2. Rip the entire area to a depth of not less than 5 inches, unless directed otherwise. Nov 1- Mar 1 Tall Fescue & Abruzzi Rye 300 lbs/acre Mar 1- Tall Fescue 300 lbs/acre 3. Remove all loose rock, roots and other obstructions 3 inches or larger on median, Apr 15 leaving surface reasonably smooth and uniform. Apr 15- Hulled Common Bermudagrass 25 lbs/acre Jun 30 4. Apply agricultural lime, fertilizer and superphosphate uniformly and mix with soil Jul 1- Tall Fescue AND Browntop Millet 125 lbs/acre (Tall Fescue); 35 lbs/acre (see mixture below). Aug 15 or Sorghum -Sudan Hybrids (Browntop Millet); 30 lbs/acre (Sorghum - Sudan Hybrids) 5. Continue tillage until a well -pulverized, firm, reasonably uniform seedbed is prepared 2 to 3 inches deep. 6. Seed on a freshly prepared seedbed and cover seed lightly with seeding equipment or cultipack after seeding. 7. Mulch within 24 hours after seeding and anchor mulch. 8. Inspect all seeded areas and make necessary repairs or reseedings within the planting season, if possible. If stand should be more than 60% damaged, re- establish following the original lime, fertilizer and seeding rates. Mixture Agricultural Limestone Fertilizer Superphosphate Mulch Anchor 2 tons/acre (3 tons/acre in clay soils) 1,000 lbs/acre - 10-10-10 500 lbs/acre - 20% analysis 2 tons/acre - small grain straw Asphalt emulsion at 400 gals/acre EROSION CONTROL GENERAL NOTES 1. All work shall be in compliance with Wake County and NCDEQ-DEMLR approved plans and standards. 2. Clearing on this project shall be performed to the limits established by NCDOT Method II. 3. The Contractor shall be responsible for complying with NPDES General Permit NCG010000 requirements, including, but not limited to maintaining a rain gauge on site, documentation of rainfall amounts and dates, inspections and maintenance of erosion control devices, weekly reports, and other documentation as required. 4. All disturbed slopes must be stabilized within the time frame indicated on the Stabilization Guidelines Table. 5. All disturbed areas not in proposed pavement shall be stabilized in accordance with the project's Vegetative Plan. 6. All site work shall produce surface grades adequate for storm water runoff to prevent standing water on all developed areas to meet existing grades in smooth transition. 7. Fill areas to be confined to the areas specified on the plans. Land clearing debris to be removed from the site and properly disposed of by the Contractor. All project waste and demolition materials to be disposed of in accordance with applicable NCDEQ- DEMLR standards and regulations. 8. All stockpile and temporary spoil areas shall be protected by silt fence. 9. Borrow material for this project (if needed) shall be obtained from a site with a current, approved erosion control permit for land disturbing activity. For Shoulders, Side Ditches, Slopes (3:1 to 2: 1): Date Type Planting Rate Mar 1- Sericea Lespedeza (scarified) and Jun 1 use the following combinations: 50 lbs/acre (Sericea Lespedeza); Mar 1- Add Tall Fescue 120 lbs/acre Apr 15 Mar 1- Or add Hulled Common 25 lbs/acre Jun 30 Bermudagrass Jun 1- Tall Fescue AND Browntop Mullet 120 lbs/acre (Tall Fescue); 35 lbs/acre Sept 1 or Sorghum -Sudan Hybrids*** (Browntop Mullet); 30 lbs/acre (Sorghum - Sudan Hybrids) Sept 1- Sericea Lespedeza (unhulled - 70 lbs/acre (Sericea Lespedeza); 120 lbs/acre Mar 1 unscarified) AND Tall Fescue (Tall Fescue) Nov 1- AND Abruzzi Rye 25 lbs/acre Mar 1 The Contractor shall select a nurse crop from the table below that is best suited to the specific site conditions and characteristics. The nurse crop shall be added to and applied along with the permanent vegetative mixture. Consult Erosion Control Design Engineer for additional information concerning other alternatives for vegetation of denuded areas. The above vegetation rates are those that do well under local conditions; other seeding rate combinations are possible. *** TEMPORARY: Reseed according to optimum season for desired permanent vegetation. Do not allow temporary cover to grow more than 12" in height before mowing; otherwise, fescue may be shaded out. CONSTRUCTION SEQUENCE HERBACEOUS PLANTS -Seeding recommendations for immediate stabilization/nurse crops TablQ 6.1 1,a (2 to 5 weeks for development; effectiveness goal; 6 Inwitlis to 1 year stabilization) NURSE CROP SPECIES Op" Plants g Dates Cam -non Name via' call Name rt 1. 1 hulas t . ..: R FertllZOON Inw5bane kmKfe Mountain PL-dim C�vtot pl*.4 5un,'Shado tolerant Wed3nds Riparar CJr-gr9 Invasive e s ❑r ❑ hslallalian ; MRinlonanut Consaerate-a Other infarrnaiion, commentary R Gras Secede ceeeafe I 'Ic Ibs B sal -eat 1 ul - 4i30 9115 - cis &15 - 4N 5 Sun Yea Ves VO Must be mown 10 reduce competliveness with Dvrnanem or kag term viagetawn Wheat ^Natrm Be . ,. I 30Ibs By aoi :est 1' 11 --0l30 & 1 5 - "S 8N 5 - 4115 Sun Must be mown 10 reduce Not water tolerant May De used conVetAlveness with n welarwa that are not pernminent or term conhnuou aaturetPA v tam- Geamn KUM I 101bs By Sal test Sfl1 - Oi30 Sil5 - EVIS 4115 - Oil Sun - No Crop enaild be C�-. dies Not water tolerent May ae used anar to pLianting prinflarycc r' weiancs that are not long term va etaaon continuously ssturatea brvApntop blit•I lumchfos ren7ase I I sol hest 5i 11 - W30 511 S - WIS 4115 - WSJ Sun ; _:• yu Crop ehotld be cqA ?disc Not water tolerant May be used pinor 1n planting primaryor on weianos .hat are not big Harm ve eta,lon continuously sat.rated. Sudan refs {h,yt: ids' Sa hurnsacchara4„ • I I- : t : ..l :est NR 11 : 4115-&15 :_ . Ir No Yo - :'rop s^ould be c, . 1 disc Use orty wtlere plants and seed S. b�calar s . fJrerm r, -nor to dantng primaryor can be contained a^d cont olilled_ bn term ve etaaon ,[oae Leg edeza 1{exnmerovne ardsta V. Robe I _ I by soi .est b 1 - 9A SA -911 S11- 911 tun No Yo No Consult quElffied Use in Coastal Pain -orlcult,.raist o• extension ent for over6eedln 'king P^TiBry'COYEK Ko sari Lespedeza xUmmamvna 81`t93uiaC6a I U., By soli :ast bit - 9A Sell - 911 511-1.0 Sun Jo `J , No Consult quairfied Use 1n Piedmont and ^or-lcult,.raist o• extension Mountains. MB9 mcome agent for over6aeedln ^Veetve wing prnacover NOTES: 1. Seeding rates are tar hided seed unless Otherwise naiad, 2. Fe"liz-ar & Limestone - rates to be applIM In abseo+ae of sod 'csts. Rccommcndac appli-. r -:n rate assumes signiArandy distuffW site soils w1h lick o• no resdual value. 3. N hR deans Species not recommended for me region or appkahon area, 4. 1'wmivu r1mignmoon as (Worminied by 1h• N.C. Fx41ia PAst Pant C(XIrtgl and NLC. walive plard $<iGl41y , S. Sprigging is nut recorlrrtenced fur mrnediete 67.Bbixatiorl unlesrt terrain is fiat -esW mulch Is applied and no other immediate stabilzaiion method is precncal. 1. Schedule a preconstruction conference with NCDEQ Erosion Control Officer and Erosion Control Design Engineer. Obtain a land -disturbing permit. 2. Install gravel construction entrance(s), tree protection, silt fence, or other erosion control measures as shown on the approved plan. Clear only as necessary to install these devices. 3. Begin clearing and grubbing. Maintain devices as needed. Rough grade site. 4. Construct concrete end bents and wing walls for bridge and roadway. 5. Use suitable fill material to raise grade behind concrete end bents and wing walls to construct proposed bridge. 6. Construct proposed bridge superstructure over Crabtree Creek. 7. Construct remaining portions of proposed roadway. 8. Stabilize site as areas are brought up to finish grade with vegetation, paving, ditch linings, etc. Seed and mulch denuded areas per Ground Stabilization Time Frames. 9. Complete construction and stabilize all areas. 10. Vegetative planting for reforestation shall be added on streambanks not covered by rip rap. 11. Once the site is completely stabilized remove silt fence, tree protection, staging and stockpile area(s), concrete washout area, etc., and seed out or stabilize any resulting bare areas. 12. When vegetation has become established, call for a final site inspection by the Erosion Control Design Engineer. MAINTENANCE REQUIREMENTS 1. All erosion and sediment control practices will be checked for stability and operation following every runoff -producing rainfall but in no case less than once every week. Any needed repairs will be made immediately to maintain all practices as designed. 2. Sediment will be removed from behind the sediment fence when it becomes approximately 0.5 feet deep at the fence. The sediment fence will be repaired as necessary to maintain a barrier. 3. All seeded areas will be fertilized, reseeded as necessary, and mulched according to specifications in the vegetative plan to maintain a vigorous, dense vegetative cover. GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH THE NCG01 CONSTRUCTION GENERAL PERMIT Implementing the details and specifications on this plan sheet will result in the construction activity being considered compliant with the Ground Stabilization and Materials Handling sections of the NCG01 Construction General Permit (Sections E and F, respectively). The permittee shall comply with the Erosion and Sediment Control plan approved by the delegated authority having jurisdiction. All details and specifications shown on this sheet may not apply depending on site conditions and the delegated authority having jurisdiction. SECTION E: GROUND STABILIZATION Required Ground Stabilization Timeframes Stabilize within this Site Area Description many calendar Timeframe variations days after ceasing land disturbance (a) Perimeter dikes, swales, ditches, and 7 None perimeter slopes (b) High Quality Water 7 None (HQW) Zones (c) Slopes steeper than If slopes are 10' or less in length and are 3:1 7 not steeper than 2:1, 14 days are allowed -7 days for slopes greater than 50' in length and with slopes steeper than 4:1 -7 days for perimeter dikes, swales, (d) Slopes 3:1 to 4:1 14 ditches, perimeter slopes and HQW Zones -10 days for Falls Lake Watershed -7 days for perimeter dikes, swales, (e) Areas with slopes ditches, perimeter slopes and HQW Zones flatter than 4:1 14 -10 days for Falls Lake Watershed unless there is zero slope Note: After the permanent cessation of construction activities, any areas with temporary ground stabilization shall be converted to permanent ground stabilization as soon as practicable but in no case longer than 90 calendar days after the last land disturbing activity. Temporary ground stabilization shall be maintained in a manner to render the surface stable against accelerated erosion until permanent ground stabilization is achieved. GROUND STABILIZATION SPECIFICATION Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the techniques in the table below: Temporary Stabilization Permanent Stabilization • Temporary grass seed covered with straw or • Permanent grass seed covered with straw or other mulches and tackifiers other mulches and tackifiers • Hydroseeding • Geotextile fabrics such as permanent soil • Rolled erosion control products with or reinforcement matting without temporary grass seed • Hydroseeding • Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered • Plastic sheeting with mulch • Uniform and evenly distributed ground cover sufficient to restrain erosion • Structural methods such as concrete, asphalt or retaining walls • Rolled erosion control products with grass seed POLYACRYLAMIDES (PAMS) AND FLOCCULANTS 1. Select flocculants that are appropriate for the soils being exposed during construction, selecting from the NC DWR List of Approved PAMS/Flocculonts. 2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. 3. Apply flocculants at the concentrations specified in the NC DWR List of Approved PAMS/Flocculonts and in accordance with the manufacturer's instructions. 4. Provide ponding area for containment of treated Stormwater before discharging offsite. 5. Store flocculants in leak -proof containers that are kept under storm -resistant cover or surrounded by secondary containment structures. EQUIPMENT AND VEHICLE MAINTENANCE 1. Maintain vehicles and equipment to prevent discharge of fluids. 2. Provide drip pans under any stored equipment. 3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the project. 4. Collect all spent fluids, store in separate containers and properly dispose as hazardous waste (recycle when possible). 5. Remove leaking vehicles and construction equipment from service until the problem has been corrected. 6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products to a recycling or disposal center that handles these materials. LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE 1. Never bury or burn waste. Place litter and debris in approved waste containers. 2. Provide a sufficient number and size of waste containers (e.g dumpster, trash receptacle) on site to contain construction and domestic wastes. 3. Locate waste containers at least 50 feet away from storm drain inlets and surface waters unless no other alternatives are reasonably available. 4. Locate waste containers on areas that do not receive substantial amounts of runoff from upland areas and does not drain directly to a storm drain, stream or wetland. 5. Cover waste containers at the end of each workday and before storm events or provide secondary containment. Repair or replace damaged waste containers. 6. Anchor all lightweight items in waste containers during times of high winds. 7. Empty waste containers as needed to prevent overflow. Clean up immediately if containers overflow. 8. Dispose waste off -site at an approved disposal facility. 9. On business days, clean up and dispose of waste in designated waste containers. PAINT AND OTHER LIQUID WASTE 1. Do not dump paint and other liquid waste into storm drains, streams or wetlands. 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface waters unless no other alternatives are reasonably available. 3. Contain liquid wastes in a controlled area. 4. Containment must be labeled, sized and placed appropriately for the needs of site. 5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from construction sites. PORTABLE TOILETS 1. Install portable toilets on level ground, at least 50 feet away from storm drains, streams or wetlands unless there is no alternative reasonably available. If 50 foot offset is not attainable, provide relocation of portable toilet behind silt fence or place on a gravel pad and surround with sand bags. 2. Provide staking or anchoring of portable toilets during periods of high winds or in high foot traffic areas. 3. Monitor portable toilets for leaking and properly dispose of any leaked material. Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace with properly operating unit. EARTHEN STOCKPILE MANAGEMENT 1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least 50 feet away from storm drain inlets, sediment basins, perimeter sediment controls and surface waters unless it can be shown no other alternatives are reasonably available. 2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of five feet from the toe of stockpile. 3. Provide stable stone access point when feasible. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance with the approved plan and any additional requirements. Soil stabilization is defined as vegetative, physical or chemical coverage techniques that will restrain accelerated erosion on disturbed soils for temporary or permanent control needs. NORTH CAROLINA► .�.{ Environmental Quality ONSITE CONCRETE WASHOUT STRUCTURE WITH LINER ML MR) 0 n,MLR J. �1 R,WOiO 11 L�A, MW � WXW 00 alNanMLY IO UMVM LOGTeI! R1tltlelO m rao IL7101G 1EV�CE Ve'7@4' MW fli COICIUV VAfI e = a vwour s7aucnees awi _� S , i 71r MONt SdID ff W IMMiA1O NOI Yli Nam MUM IWA 79 v TI[ sYeu Or S CAP*=. s 77R or Yli tYINIC1UKtppr CNV= WM C/iMC.1TY Yo W wr MA "ND ItLSOO CAWIC[1Y Vim A IeIOW ELM sCOCeeYc vA% STMEM "M m s : 1 BAR u mars or :mVAK � 2CV= ABOVE GRADE 6MUT STRUCTURE CONCRETE WASHOUTS 1. Do not discharge concrete or cement slurry from the site. 2. Dispose of, or recycle settled, hardened concrete residue in accordance with local and state solid waste regulations and at an approved facility. 3. Manage washout from mortar mixers in accordance with the above item and in addition place the mixer and associated materials on impervious barrier and within lot perimeter silt fence. 4. Install temporary concrete washouts per local requirements, where applicable. If an alternate method or product is to be used, contact your approval authority for review and approval. If local standard details are not available, use one of the two types of temporary concrete washouts provided on this detail. 5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk sections. Stormwater accumulated within the washout may not be pumped into or discharged to the storm drain system or receiving surface waters. Liquid waste must be pumped out and removed from project. 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it can be shown that no other alternatives are reasonably available. At a minimum, install protection of storm drain inlet(s) closest to the washout which could receive spills or overflow. 7. Locate washouts in an easily accessible area, on level ground and install a stone entrance pad in front of the washout. Additional controls may be required by the approving authority. 8. Install at least one sign directing concrete trucks to the washout within the project limits. Post signage on the washout itself to identify this location. 9. Remove leavings from the washout when at approximately 75% capacity to limit overflow events. Replace the tarp, sand bags or other temporary structural components when no longer functional. When utilizing alternative or proprietary products, follow manufacturer's instructions. 10. At the completion of the concrete work, remove remaining leavings and dispose of in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance caused by removal of washout. HERBICIDES, PESTICIDES AND RODENTICIDES 1. Store and apply herbicides, pesticides and rodenticides in accordance with label restrictions. 2. Store herbicides, pesticides and rodenticides in their original containers with the label, which lists directions for use, ingredients and first aid steps in case of accidental poisoning. 3. Do not store herbicides, pesticides and rodenticides in areas where flooding is possible or where they may spill or leak into wells, stormwater drains, ground water or surface water. If a spill occurs, clean area immediately. 4. Do not stockpile these materials onsite. HAZARDOUS AND TOXIC WASTE 1. Create designated hazardous waste collection areas on -site. 2. Place hazardous waste containers under cover or in secondary containment. 3. Do not store hazardous chemicals, drums or bagged materials directly on the ground. NCGO I GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19 PART III SELF -INSPECTION, RECORDKEEPING AND REPORTING SECTION A: SELF -INSPECTION Self -inspections are required during normal business hours in accordance with the table below. When adverse weather or site conditions would cause the safety of the inspection personnel to be in jeopardy, the inspection may be delayed until the next business day on which it is safe to perform the inspection. In addition, when a storm event of equal to or greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be performed upon the commencement of the next business day. Any time when inspections were delayed shall be noted in the Inspection Record. Frequency Inspect (during normal Inspection records must include: business hours) (1) Rain gauge Daily Daily rainfall amounts. maintained in If no daily rain gauge observations are made during weekend or good workin; holiday periods, and no individual -day rainfall information is order available, record the cumulative rain measurement for those un- attended days (anc this will determine if a site inspection is needed). Days on which no rainfall occurred shall be recorded as "zero." The permittee may use another rain -monitoring device approved by the Division. (2) E&SC At least once per 1. Identification of the measures inspected, Measures 7 calendar days 2. Date and time of the inspection, and within 24 3. Name of the person performing the inspection, hours of a rain 4. Indication of whether the measures were operating event > 1.0 inch in properly, 24 hours S. Description of maintenance needs for the measure, 6. Description, evidence, and date of corrective actions taken. (3) Stormwater At least once per 1. Identification of the discharge outfalls inspected, discharge 7 calendar days 2. Date and time of the inspection, outfalls (SDCs) and within 24 3. Name of the person performing the inspection, hours of a rain 4. Evidence of indicators of stormwater pollution such as oil event > 1.0 inch in sheen, floating or suspended solids or discoloration, 24 hours 5. Indication of visible sediment leaving the site, 6. Description, evidence, and date of corrective actions taken. (4) Perimeter of At least once per If visible sedimentation is found outside site limits, then a record site 7 calendar days of the following shall be made: and within 24 1. Actions taken to clean up or stabilize the sediment that has left hours of a rain the site limits, event > 1.0 inch in 2. Description, evidence, and date of corrective actions taken, and 24 hours 3. An explanation as to the actions taken to control future releases. (5) Streams or At least once per If the stream or wetland has increased visible sedimentation or a wetlands onsite 7 calendar days stream has visible increased turbidity from the construction or offsite and within 24 activity, then a record of the following shall be made: (where hours of a rain 1. Description, evidence and date of corrective actions taken, and accessible) event > 1.0 inch in 2. Records of the required reports to the appropriate Division 24 hours Regional Office per Part 111, Section C, Item (2)(a) of this permit. (6) Ground After each phase 1. The phase of grading (installation of perimeter E&SC stabilization of grading measures, clearing and grubbing, installation of storm measures drainage facilities, completion of all land -disturbing activity, construction or redevelopment, permanent ground cover). 2. Documentation that the required ground stabilization measures have been provided within the required timeframe or an assurance that they will be provided as soon as possible. NOTE: The rain inspection resets the required 7 calendar day inspection requirement PART III SELF -INSPECTION, RECORDKEEPING AND REPORTING SECTION B: RECORDKEEPING 1. E&SC Plan Documentation The approved E&SC plan as well as any approved deviation shall be kept on the site. The approved E&SC plan must be kept up-to-date throughout the coverage under this permit The following items pertaining to the E&SC plan shall be kept on site and available for inspection at all times during normal business hours. Item to Document Documentation Requirements (a) Each E&SC measure has been installed Initial and date each E&SC measure on a copy and does not significantly deviate from the of the approved E&SC plan or complete, date locations, dimensions and relative elevztions and sign an inspection report that lists each shown on the approved E&SC plan. E&SC measure shown on the approved E&SC plan. This documentation is required upon the initial installation of the E&SC measures or if the E&SC measures are modified after initial installation. (b) A phase of grading has been completed. Initial and date a copy of the approved E&SC plan or complete, date and sign an inspection report to indicate completion of the construction phase. (c) Ground cover is located and installed Initial and date a copy of the approved E&SC in accordance with the approved E&SC plan or complete, date and sign an inspection plan. report to indicate compliance with approved ground cover specifications. (d) The maintenance and repair Complete, date and sign an inspection report. requirements for all E&SC measures have been performed. (e) Corrective actions have been taken Initial and date a copy of the approved E&SC to E&SC measures. plan or complete, date and sign an inspection report to indicate the completion of the corrective action. 2. Additional Documentation to be Kept on Site In addition to the E&SC plan documents above, the following items shall be kept on the site and available for inspectors at all times during normal business hours, unless the Division provides a site -specific exemption based on unique site conditions that make this requirement not practical: (a) This General Permit as well as the Certificate of Coverage, after it is received. (b) Records of inspections made during the previous twelve months. The permittee shall record the required observations on the Inspection Record Form provided by the Division or a similar inspection form that includes all the required elements. Use of electronically -available records in lieu of the required paper copies will be allowed if shown to provide equal access and utility as the hard -copy records. 3. Documentation to be Retained for Three Years All data used to complete the e-NOI and all inspection records shall be maintained for a period of three years after project completion and made available upon request. [40 CFR 122.41] PART II, SECTION G, ITEM (4) DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather). Non -surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met: (a) The E&SC plan authority has been provided with documentation of the non -surface withdrawal and the specific time periods or conditions in which it will occur. The non -surface withdrawal shall not commence until the E&SC plan authority has approved these items, (b) The non -surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit, (c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include properly sited, designed and maintained dewatering tanks, weir tanks, and filtration systems, (d) Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item (c) above, (e) Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and (f) Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a manner that does not cause deposition of sediment into waters of the United States. PART III SELF -INSPECTION, RECORDKEEPING AND REPORTING SECTION C: REPORTING 1. Occurrences that Must be Reported Permittees shall report the following occurrences: (a) Visible sediment deposition in a stream or wetland. (b) Oil spills if: • They are 25 gallons or more, • They are less than 25 gallons but cannot be cleaned up within 24 hours, • They cause sheen on surface waters (regardless of volume), or • They are within 100 feet of surface waters (regardless of volume). (c) Releases of hazardous substances in excess of reportable quantities under Section 311 of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA (Ref: 40 CFR 302.4) or G.S. 143-215.85. (d) Anticipated bypasses and unanticipated bypasses. (e) Noncompliance with the conditions of this permit that may endanger health or the environment. 2. Reporting Timeframes and Other Requirements After a permittee becomes aware of an occurrence that must be reported, he shall contact the appropriate Division regional office within the timeframes and in accordance with the other requirements listed below. Occurrences outside normal business hours may also be reported to the Department's Environmental Emergency Center personnel at (800) 858-0368. Occurrence Reporting Timeframes (After Discovery) and Other Requirements (a) Visible sediment • Within 24 hours, an oral or electronic notification. deposition in a • Within 7 calendar days, a report that contains a description of the stream or wetland sediment and actions taken to address the cause of the deposition. Division staff may waive the requirement for a written report on a case -by -case basis. • If the stream is named on the NC 303(d) list as impaired for sediment - related causes, the permittee may be required to perform additional monitoring, inspections or apply more stringent practices if staff determine that additional requirements are needed to assure compliance with the federal or state impaired -waters conditions. (b) Oil spills and • Within 24 hours, an oral or electronic notification. The notification release of shall include information about the date, time, nature, volume and hazardous location of the spill cr release. substances per Item 1(b)-(c) above • A report at least ten days before the date of the bypass, if possible. (c) Anticipated bypasses [40 CFR The report shall include an evaluation of the anticipated quality and 122.41(m)(3)] effect of the bypass. (d) Unanticipated • Within 24 hours, an oral or electronic notification. bypasses [40 CFR • Within 7 calendar days, a report that includes an evaluation of the 122.41(m)(3)] quality and effect of the bypass. (e) Noncompliance • Within 24 hours, an oral or electronic notification. with the conditions • Within 7 calendar days, a report that contains a description of the of this permit that noncompliance, and its causes; the period of noncompliance, may endanger including exact dates and times, and if the noncompliance has not health or the been corrected, the anticipated time noncompliance is expected to environment[40 continue; and steps taken or planned to reduce, eliminate, and CFR 122.41(I)(7)] prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6). • Division staff may waive the requirement for a written report on a case -by -case basis. NCGO I SELF -INSPECTION, RECORDKEEPING AND REPORTING ' : * NORTH CAROLINA : 1:{ Environmental Quality EFFECTIVE: 04/01/19 z z QQ QQ 8, MAX. WITH WIRE QQ�� . (6' MAX. WITHOUT WIRE) ==�0 L L _j 0— LL _j a- Z 0 0 U)= 0 0 U)_ wQQw�_ 0 = 0= wQQw= MIDDLE AND VERTICAL WIRES < _ z H < _ � z H SHALL BE 121/2 GAUGE MIN. cAHw0_j 3 ft cnw0J o0Q o0Q H > H NOTES TOP AND BOTTOM STRAND r w O VARIABLE 1/4 WIRE MESH r w O SHALL BE 10 GAUGE MIN. 24" MAX. r O USE NO. 5 OR NO. 57 STONE FOR SEDIMENT DIMENSION i * r O (18" MIN.) CONTROL STONE. SEDIMENT CONTROL STONE USE HARDWARE CLOTH 24 GAUGE WIRE MESH 2 ft - - - - RU9UHUREM WITH 1/4 INCH MESH OPENINGS. 1 ft min W ' INSTALL 5 FT. SELF FASTENER ANGLE STEELI ' � I V Z ' POST 2 FT. DEEP MINIMUM. --W = LL. WIRE O W ATTACH HARDWARE CLOTH TO POSTS WITH WIRE Ow V STAPLE OR OTHER ACCEPTABLE METHODS. J GEOTEXTILE z W z CC LL SPACE POSTS A MAXIMUM OF 3 FT. NOTES <FOR INSTALLATION BETWEEN SECTIONS OF 1 O 0 J SILT FENCE, EXTEND SEDIMENT CONTROL /4 WIRE MESH 0 V USE GEOTEXTILE A MINIMUM OF o F-I STONE A MINIMUM OF 12" ON EACH SIDE OF SEDIMENT CONTROL STONE GEOTEXTILE O SPECIAL SEDIMENT CONTROL FENCE SECTION. 36" IN WIDTH AND FASTEN ADEQUATELY Q Q Z COMPACTED FILL o � 1 ft min o W TO THE POSTS AND WIRE AS DIRECTED. zz zz USE WIRE A MINIMUM OF 32" a WATER FLOW 2'� 000� IN WIDTH AND WITH A MINIMUM > 0�009 ��_ _ W OF 5 LINE WIRES WITH 12" VERTICAL o W 1111 iI_11����-1I1 SPACING. 0 J PROVIDE 5'-0" STEEL POST OF I I I I I I 8 ; I II I I I I I I I I I p H STEEL POST - 2 ft DEPTH 00 a THE SELF -FASTENER ANGLE STEEL ; ; °C 1/ WIRE MESH V TYPE. 4„ STEEL POST - 2'-0" DEPTH 2 ft Lu a FOR MECHANICAL SLICING METHOD O INSTALLATION, GEOTEXTILE SHALL BE A MAXIMUM OF 18" ABOVE GROUND SURFACE. EXTENSION OF GEOTEXTILE AND WIRE INTO TRENCH SHEET 1 OF 1 SHEET 1 OF 1 1605.0111 1606.01 z 0 c„ ¢Q �0~C�U NOTES 0 0 cl) = z 1. PROVIDE TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE Q °C z 0 0 H TRUCKS. �- = ~ z w 2. LOCATE ENTRANCES TO PROVIDE FOR UTILIZATION cf) w 0 BY ALL CONSTRUCTION VEHICLES. 0 0c~n 3. MUST BE MAINTAINED IN A CONDITION WHICH WILL PREVENT z •j TRACKING OR DIRECT FLOW OF MUD ONTO STREETS. � o PERIODIC TOPDRESSING WITH STONE WILL BE NECESSARY. o 4. ANY MATERIAL TRACKED ONTO THE ROADWAY MUST BE r CLEANED UP IMMEDIATELY. 5. LOCATE GRAVEL CONSTRUCTION ENTRANCE AT ALL POINTS OF INGRESS AND EGRESS UNTIL SITE IS STABILIZED. PROVIDE FREQUENT CHECKS OF THE DEVICE AND TIMELY MAINTENANCE. 6. NUMBER AND LOCATION OF CONSTRUCTION ENTRANCES TO LLI BE DETERMINED BY THE ENGINEER. V 7. USE CLASS 'A' STONE OR OTHER COARSE AGGREGATE APPROVED 0 Z BY THE ENGINEER. 8. INSTALL CONSTRUCTION ENTRANCES IN A WAY TO PREVENT VEHICLES LL FROM BYPASSING CONSTRUCTION ENTRANCE LEAVING PROJECT SITE. Z = W Q Z = O o H v o � � z cl) Z � O Q v � a J W a NOTE: PLACE GEOTEXTILE FOR DRAINAGE BENEATH STONE w SHEET 1 OF 1 1607.01 STAPLE CHECK III � -III 10" B 1 079 C 6 99 MATTING IN DITCHES 18 ►► (MIN.) BACKFILL—\ 6 it (MIN.) MATTING SHALL BE PLACED IN TRENCH AND BACKFILLED 6 ►► EXISTING GROUND STAPLES ON 1' CENTERS IN TRENCH MIN STAPLES ON 1' CENTERS IN TRENCH ii O Cn H �a H C v LLJ0Hz 00 a _ w U= a a =~zw U)�LL0_j O O C� z 0 ,H ~ H _ � 0 1 w DIAGRAM A � o Z -1I I-1I I-1I I z I -I A Staple Check Pattern � Q 3� � � � �°�� � Staple 6' X� a Z 4" 30' 3� ~ ' z Staple Check N � ➢9 ~ V Staple 4 U) � DIAGRAM O Q a MATTING ON SLOPES DIAGRAM (:B) � � NOTES THIS DETAIL APPLIES TO STRAW, EXCELSIOR, COIR FIBER MAT AND PERMANENT SOIL REINFORCEMENT MAT (PSRM) INSTALLATION AND AS DIRECTED. STAPLES SHALL BE NO. 11 GAUGE STEEL WIRE FORMED INTO A "U" SHAPE WITH A MINIMUM THROAT WIDTH OF 1 INCH AND NOT LESS THAN 6 INCHES IN LENGTH. NOT TO SCALE SHEET 1 OF 1 1631 .01 FLOW SEDIMENT CONTROL STONE STRUCTURAL STC m�� 2/3 CHANNEL WIDTH 1' MIN �oo o o O5oo O�0 D O SECTION A -A G A J NOTES USE CLASS B FOR STRUCTURAL USE NO. 5 OR CONTROL STONE. EROSION STONE. NO. 57 CONTROL STONE STONE FOR SEDIMENT 1' MIN O D C H = 2' MIN SECTION B-B 12" z 0cf) H �a LLJa-Hz 00 U _ wQa =C L= ., =~zLu U�LL0-1 0 O Cf) rr z o ,H ~ H _ � 0 Lu G SHEET 1 OF 1 1633m011 ONSITE CONCRETE WASHOUT STRUCTURE ORANCE SAFETY 10'-0" MIN. ORANGE, UV RESISTANT, FENCE ON A HIGH -TENSILE STRENGTH, POLY 3 SIDES BARRICADE FABRIC, TYPICAL O (cc=:D:) O O TYP. SANDBAGS (TYP.) WOVEN WIRE FABRIC O 0 STEEL POST z 0 MIL 2 1:1 PLASTIC SANDBAGS (TYP.) o SIDE SLOPE LINING 0 O o (TYP.) "CLASS A" STONE cM N oolf O CD 0 'h . J• s :'. .y - O A" GEOTEXTILE ;`• EXTEND WIRE FABRIC 6" MIN. INTO TRENCH ,,. AND ANCHOR SKIRT o SECTION A -A co _ NOTES: .-• '.'::,""•`._ _:. `�:- �', 8" THICK MIN. 1. ACTUAL LOCATION DETERMINED IN FIELD Y - "CLASS A" STONE UNDERLAIN 2. THE CONCRETE WASHOUT STRUCTURES SHALL BE `' ." ' ' WITH GEOTEXTILE • '.. MAINTAINED TO PROVIDE ADEQUATE HOLDING • •:::4 •,• ..:.:•:: `• .: (SEE NOTE 3) +'R - < "'• CAPACITY WITH A MINIMUM FREEBOARD OF 12 INCHES. PLAN 3. STONE GRAVEL PAD CONSTRUCTED WITH "CLASS A" STONE OR OTHER AGGREGATE MATERIAL APPROVED BY ENGINEER. BELOW GRADE WASHOUT STRUCTURE NOT TO SCALE ORANGE, UV RESISTANT, ORANCE SAFETY HIGH -TENSILE STRENGTH, POLY HIGH 10'-0" MIN. FENCE ON BARRICADE FABRIC, TYPICAL COHESIVE & B 3 SIDES WOVEN WIRE FABRIC SANDBAGS (TYP.) LOW FILTRATION HIGH SOIL BERM STEEL POST 10 MIL COHESIVE & 0 CD CD PLASTIC LINING LOW FILTRATION z 0 0 1:1 SIDE SLOPE SOIL BERM _ (TYP.) "CLASS A" STONE q O O N -' o O O O M -6 oo - ti . r• O i N [3'- CD Q 00 611 GEOTEXTILE ~ •... ,: ; EXTEND WIRE FABRIC : '' .. �'-• .' 6" MIN. INTO TRENCH AND ANCHOR SKIRT SANDBAGS (TYP.) SECTION B-B NOTES: o ' .v 1. ACTUAL LOCATION DETERMINED IN FIELD 8" THICK MIN. 2. THE CONCRETE WASHOUT STRUCTURES "CLASS A" STONE SHALL BE MAINTAINED TO PROVIDE +• .' UNDERLAIN ADEQUATE HOLDING CAPACITY WITH A ' ' : • '~ WITH GEOTEXTILE MINIMUM FREEBOARD OF 12 INCHES. (SEE NOTE 3) PLAN 3. STONE GRAVEL PAD CONSTRUCTED WITH "CLASS A" STONE OR OTHER AGGREGATE MATERIAL APPROVED BY ENGINEER. ABOVE GRADE WASHOUT STRUCTURE NOT TO SCALE Mpo A Y ROCK SILT CHECK TYPE ' A ' WITH LSIOR MATTING AND SEDIMENT CONTROL STONE STRUCTURAL STONE EXCELSIOR MATTING POLYACRYLAMIDE NOTES: (PAM) FLOW INSTALL TEMPORARY ROCK SILT CHECK TYPE A IN Bo-��� / ACCORDANCE WITH ROADWAY STANDARD DRAWING N0. 1633-01. O O' O I O A 0 0 O O O Oi O O O �O D 0 0 o Q o O O O O D o 0 D � O 0�0 ��O O O O D o O D o O q O D o 0 0 o O D o C o D �O�oODoOc��ODo 0 PLAN 2/3 CHANNEL WIDTH 1' M I N Oo �o o EXCELSIOR MATTING SECTION A -A O See Inset A USE EXCELSIOR FOR MATTING MATERIAL AND ANCHOR MATTING SECTION AT TOP AND BOTTOM WITH CLASS B STONE. PRIOR TO POLYACRYLAMIDE (PAM) APPLICATION, OBTAIN A SOIL SAMPLE FROM PROJECT LOCATION, AND FROM OFFSITE MATERIAL, AND ANALYZE FOR APPROPRIATE PAM FLOCCULANT TO BE APPLIED TO EACH ROCK SILT CHECK. INITIALLY APPLY TO TOP OF MATTING EVENT THAT EQUALS H= 4 OUNCES OF SECTION AND OR EXCEEDS INSET A CLASS B STONE POLYACRYLAMIDE (PAM) AFTER EVERY RAINFALL 0.50 INCHES. 1' MIN F�w MIN 12" o D o 7 o�oo o D ooD o 2' M I N 9 O SECTION B-B EXCELSIOR MATTING CLASS B STONE NOT TO SCALE SITE AREA DESCRIPTION STABILIZATION TIMEFRAME EXCEPTIONS PERIMETER DIKES, SWALES, DITCHES AND SLOPES 7 DAYS NONE HIGH OLIALITY WATER (HOW) ZONES 7 DAYS NONE SLOPES STEEPER THAN 3:1 7 DAYS IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED. SLOPES 3:IOR FLATTER 14 DAYS 7 DAYS FOR SLOPES GREATER THAN 50'IN LENGTH. ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS NONE. EXCEPT FOR PERIMETERS AND HOW ZONES. The Contractor shall be responsible for complying with NPDES General Permit NCGO10000 requirements, including, but not limited to maintaining a rain gauge on site, documentation of rainfall amounts and dates, inspections and maintenance of erosion control devices, weekly reports and any other documentation as required. Additional information and resources available at http://portal.ncdenr.org/web4r/erosion. — — TIE \ ROAD 0 EROSION AND SEDIMENT CONTROL MEASURES sta. a Description Symbol 1e05.01 Temporary Sift i.... III-M IH 1606.01 Silt Fence Outlet— . - - - - - 2z 1630.05 Temporary Diversion ------------------------ - - ---+ TD --- 0 --- 0 1633.01 Temporary Roche Silt Check Type -A- - - - - - - - - - - - - - - - - - 1635.02 Rock Pipe Inlet ScAi iYnent Trap Type-B..... BO0 V B so °°°°°°°° °°°°°° ° ° °°°°°° Temp. Tree Prot. lFenee------------ —TPF—TPF TPF 50' 25' 0 50' 100' SCALE: 1" = 50' NOTE: PLACE TEMPORARY ROCK SEDIMENT DAMS TYPE — B AND TEMPORARY ROCK SILT CHECKS TYPE — A AT DRAINAGE OUTLETS. ENVIRONMENTALLY SENSITIVE AREA SEE PROJECT SPECIAL PROVISIONS CLEARING AND GRUBBING EROSION CONTROL FOR CONSTRUCTION SHEET 04 Skimmer Basin -------------------------------------------- SAFETY FENCE O O �o o O z° C v� ?Q_ QD W CO LIMIT OF DISTURBANCE TIE ACCESS ROAD TO ROAD BY OTHERS 50' x 12' CONSTRUCTION ENTRANCE 15' x 15' CONCRETE WASHOUT COVER STAGING & STOCKPILE AREA WITH A 4 INCH LAYER OF CLASS 'A' STONE OVER GEOTEXTILE. EROSION AND SEDIMENT CONTROL MEASURES sta. Description Symhol SITE AREA DESCRIPTION STABILIZATION TIMEFRAME EXCEPTIONS PERIMETER DIKES, SWALES. DITCHES AND SLOPES 7 DAYS NONE HIGH OLIALITY WATER (HOW) ZONES 7 DAYS NONE SLOPES STEEPER THAN 3:1 7 DAYS IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED. SLOPES 3:IOR FLATTER 14 DAYS 7 DAYS FOR SLOPES GREATER THAN 50'IN LENGTH. ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS NONE. EXCEPT FOR PERIMETERS AND HOW ZONES. N PROPOSED BL CK RETAINING WAL (BY OTHERS) co 50' JURISDICTIONV II OFFSET BUFFER PROPOSED BLOCK RETAINING WALL (BY OTHERS) STAGING & STOCKPILE AREA SAFETY FENCE The Contractor shall be responsible for complying with NPDES General Permit NCGO10000 requirements, including, but not limited to maintaining a rain gauge on site, documentation of rainfall amounts and dates, inspections and maintenance of erosion control devices, weekly reports and any other documentation as required. Additional information and resources available at http://portal.ncdenr.org/web4r/erosion. _. ♦ ROP S D UFE R AD C BT E C -I N N m N m 24° 22" 5 - - W aN0 pQ- / RETAI I (TIE T OTHER I N I N � N ❑ < PRO OSEDo BLOCK RET INCH WALL (TIE O W LL BY OT RS) 1 1 1 - 1 ♦ ;D BL CK G W L (WALL N � N 50' JURISDICTIONAL OFFSET BUFFER (TYP.) I I I C-) N I I v�6 � I + C) v� Qo W� I PROPOSED BLOCK IRETAINING WALL (BY OTHERS) 50' 25' SCALE: 1" = 50' 8�VH FINAL GRADING EROSION CONTROL FOR CONSTRUCTION SHEET 04 ALL DISTURBED AREAS TO BE COVERED WITH STRAW & TACK BY THE END OF EACH WORK DAY. (STRAW = 2 TONS/AC, TACK=400 GAVAC) I 1 \ 1 - 1 LIMIT OF R S ; DISTURBANCE \ .00- 1 \ \ 1 \ 1 TIE ACCESS ROAD TO ROAD BY OTHERS \ \ o • � M • \ \ o` o � o--.1�. \ BZ \ \ 0ti \ Install Coir Fiber Matting to Stabilize Overbanks 1606.01 SIllf Fence Oudef - - 1630.05 Temporary DIlQ'e]C°sIl®Il➢ ............................. TD Place Matting for Erosion Control on Slope as Work Allows. 1633.01 Temporary Rock SIllf Check Type -A .................. Sta. 11 + 00 to Sta. 11 + 50 —L— LT Sta. 12 + 70 to Sta. 13 + 25 -L- LT 1635.02 mm Rock Pipe Inlet Sednene Trip Type-I� °° °° B R No °°°°°°°°° Sta. 11 + 20 to Sta. 11 + 50 -L- RT Sta. 12 + 70 to Sta. 13 + 2 0 -L- RT 1632.03®ck Inlef Sedae�f Trap Type °°°°°°a�o C ° ° °°°°°° Tempo Tree Prot. Fence- - - - - - - - - - - - — TPF TPF TPF Skimmer Basin ----------- PLANTING DETAILS SEEDLING / LINER BAREROOT PLANTING DETAIL HEALING IN 1. Locate a healing -in site in a shady, well protected area. 2. Excavate a flat bottom trench 12 inches deep and provide drainage. 3. Backfill the trench with 2 inches well rotted sawdust. Place a 2 inch layer of well rotted sawdust at a sloping angle at one end of the trench. 1z 4. Place a single layer of plants against the sloping end so that the root collar is at ground level. 5. Place a 2 inch layer of well rotted sawdust over the roots maintaining a sloping angle. 6. Repeat layers of plants and sawdust as necessary and water thoroughly. DIBBLE PLANTING METHOD USING THE KBC PLANTING BAR 1. Insert planting bar as shown and pull handle toward planter. 4. Pull handle of bar toward planter, firming soil at bottom. 2. Remove planting bar and place seedling at correct depth. N 5. Push handle forward firming soil at top. PLANTING NOTES: PLANTING BAG During planting, seedlings n shall be kept in a moist I canvas bag or similar I I container to prevent the root systems from drying. Al KBC PLANTING BAR Planting bar shall have a blade with a triangular cross section, and shall be 12 inches long, 4 inches wide and 1 inch thick at center. ROOT PRUNING All seedlings shall be root pruned, if necessary, so that no roots extend more than 10 inches below the root collar. 3. Insert planting bar 2 inches toward planter from seedling. 6. Leave compaction hole open. Water thoroughly. STATE PROJECT REFERENCE NO. SHEET NO. TOTAL SHEF S N.C. 481727 RF-1 C O a 4- E L a T NI C o° N+ ON � N QY, �o Nam= VICINITY MAP GRAPHIC SCALES 50 25 0 50 100 PLANS 50 25 0 50 100 PROFILE (HORIZONTAL) 10 5 0 10 20 ` PROFILE (VERTICAL) ACCESS ROAD LOCATION. WAKE COUNTY BUFFER IMPACTS PERMIT Prepared in the Office of. Michael Baker Engineering, Inc. 8000 Regency Pkwy Michael Baker Suite 600 Cary, NC 27518 INTERNATIONAL NCLicense: F-1084 TODD H. BUCKNER, PE PROJECT ENGINEER DOCUMENT NOT CONSIDERED FINAL 1NLESS ALL SIGNATURES COMPLETED HYDRAULICS ENGINEER P.E. ROADWAY DESIGN ENGINEER P.E. SIGNATURE. ALLOWABLE IMPACTS ZONE 1 ►����iiliili7 ALLOWABLE IMPACTS ZONE 2 290 280 270 M a 240 c SITE 1 II II I I J/JI Ie PROJECT REFERENCE NO. I SHEET NO. 481727 4 / \ W SHEET NO. \ ROADWAY DESIGN HYDRAULICS ENGINEER ENGINEER I \ (�50' 25' 0 50' \ -A00' \ SCALE: 1"=100' \ \ DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED \\\ \\\ BUFFER DRAWING \ SHEET 2 OF 3 _ -g-c 9'L1 Iz \\\ 1 10 11 12 13 14 1 RIPARIAN BUFFER IMPACTS SUMMARY IMPACTS BUFFER TYPE ALLOWABLE MITIGABLE REPLACEMENT Site Station Structure ROAD PARALLEL No. (From/To) Size / Type CROSSING IMPACT BRIDGE ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 ft ft ft ft ft ft ft ft (2) (2) (2) (2) (2) (2) (2) (2) 1 12+18-L- BRIDGE X 6404 5645 12049 0 TOTALS*: 6404 1 5645 1 12049 1 0 1 0 1 0 1 0 0 NOTES: 2018 Feb SEDIMENTATION AND EROSION CONTROL NARRATIVE Crabtree Creek Bridge for Wake Stone Corporation February 03, 2020 PREPARED BY: C A RQ4 " p �• " i SS _Q SEAL 26971 - NCI NEB %yUA SUNGATE DESIGN GROUP, P.A. 905 JONES FRANKLIN ROAD RALEIGH, NORTH CAROLINA 27606 TEL (919) 859-2243 ENG FIRM LICENSE NO. C-890 TABLE OF CONTENTS ITEM PAGE NARRATIVE......................................................................................... I MAINTENANCE REQUIREMENTS............................................................2 VEGETATIVE PLAN...............................................................................3 CONSTRUCTION SEQUENCE...................................................................6 STABILIZATION GUIDELINES..................................................................7 VICINITY MAP......................................................................................8 ROADWAY PROFILE..............................................................................9 SOIL SURVEY MAP................................................................................10 USGSQUAD MAP..................................................................................11 EROSION CONTROL SPECIFICATIONS & PROVISIONS...............................13 NCDEQ S&EC CHECKLIST.....................................................................58 NARRATIVE Wake Stone Quarry located next to Umstead State Park in Wake County is proposing to construct a bridge across Crabtree Creek. The proposed bridge will be 100 feet in length with vertical abutments. The proposed Wake Stone bridge will span the floodplain and will use a concrete retaining wall to build the proposed road and bridge to grade. This project is being designed for Wake Stone Corporation on private lands owned by Wake Stone Corporation. This project is located within Wake County. The present property is undeveloped woodland. The surrounding land use is undeveloped woodland, private roadway, and quarry. The site has steep natural and manmade slopes. It is located within the Neuse River Basin and drains to Crabtree Creek (Crabtree Lake) (27-33-(3.5)bl). Crabtree Creek (Crabtree Lake) is designated as Class B and NSW waters by NCDEQ and is listed as "Turbidity Impaired" on the 2018 NC Category 5 Assessments "303(d) List." Crabtree Creek is shown on Cary, NC (2019) USGS 7.5' Topo Map and 1970 Wake County NRCS Soil Map (Sheet 37). Wake Stone bridge is proposed to span over Special Flood Hazard Areas according to FEMA FIRM, panel 0766. During the clearing and grubbing phase of construction, sediment control fence will be installed for perimeter erosion control with special sediment control fence around clearing limits where onsite runoff will be collected. Special sediment control fence will be placed in low areas to allow for water to drain offsite. Bare areas resulting from the clearing and grubbing operation will be stabilized in accordance with the stabilization guidelines as shown in this report and approved erosion control plan. A staging and stockpile area will be built on -site with a 15' by 15' concrete washout structure and a 50' by 12' gravel construction entrance for use throughout construction. During the final grading phase of construction: sediment control fence and special sediment control fence will be maintained from the clearing and grubbing phase to be used in the final grading phase. Fill slopes are to be covered in accordance with the stabilization guidelines. MAINTENANCE REQUIREMENTS 1. All erosion and sediment control practices will be checked for stability and operation following every runoff -producing rainfall but in no case less than once every week. Any needed repairs will be made immediately to maintain all practices as designed. 2. Sediment will be removed from behind the sediment fence when it becomes approximately 0.5 feet deep at the fence. The sediment fence will be repaired as necessary to maintain a barrier. All seeded areas will be fertilized, reseeded as necessary, and mulched according to specifications in the vegetative plan to maintain a vigorous, dense vegetative cover. VEGETATIVE PLAN Seedbed Preparation 1. Chisel compacted areas and spread topsoil 2 to 3 inches deep over adverse soil conditions, if available. 2. Rip the entire area to a depth of not less than 5 inches, unless directed otherwise. 3. Remove all loose rock, roots and other obstructions 3 inches or larger on median, leaving surface reasonably smooth and uniform. 4. Apply agricultural lime, fertilizer and superphosphate uniformly and mix with soil (see mixture below). 5. Continue tillage until a well -pulverized, firm, reasonably uniform seedbed is prepared 2 to 3 inches deep. 6. Seed on a freshly prepared seedbed and cover seed lightly with seeding equipment or cultipack after seeding. 7. Mulch within 24 hours after seeding and anchor mulch. 8. Inspect all seeded areas and make necessary repairs or reseedings within the planting season, if possible. If stand should be more than 60% damaged, re- establish following the original lime, fertilizer and seeding rates. Mixture Agricultural Limestone 2 tons/acre (3 tons/acre in clay soils) Fertilizer 1,000 lbs/acre—10-10-10 Superphosphate 500 lbs/acre — 20% analysis Mulch 2 tons/acre — small grain straw Anchor Asphalt emulsion at 400 gals/acre c1 Seeding Schedule For Shoulders, Side Ditches, Slopes (Max 3:1): Date Type Planting Aug 15— Tall Fescue 300 lbs/acre Nov 1 Nov 1— Tall Fescue & Abruzzi Rye 300 lbs/acre Mar 1 Mar 1 Tall Fescue 300 lbs/acre Apr 15 Apr 15— Hulled Common Bermudagrass 25 lbs/acre Jun 30 Jul 1— 125 lbs/acre (Tall Fescue); 35 lbs/acre Aug 15 Tall Fescue AND Browntop Millet (Browntop Millet); 301bs/acre (Sorghum - or Sorghum -Sudan Hybrids*** Sudan Hybrids) For Shoulders, Side Ditches, Slopes (3:1 to 2:1): Date Type Planting Rate Mar 1— Sericea Lespedeza (scarified) and Jun 1 use the following combinations: SO lbs/acre (Sericea Lespedeza); Mar 1— Add Tall Fescue 120 lbs/acre Apr 15 Mar 1— Or add Hulled Common 25 lbs/acre Jun 30 Bermudagrass Jun 1— Tall Fescue AND Browntop Mullet 120 lbs/acre (Tall Fescue); 35 lbs/acre Sept 1 or Sorghum -Sudan Hybrids*** (Browntop Mullet); 30 lbs/acre (Sorghum - Sudan Hybrids) Sept 1— Sericea Lespedeza (unhulled — Mar 1 unscarified) AND Tall Fescue Nov 1— AND Abruzzi Rye Mar 1 70 lbs/acre (Sericea Lespedeza); 120 lbs/acre (Tall Fescue) 25 lbs/acre The Contractor shall select a nurse crop from the table below that is best suited to the specific site conditions and characteristics. The nurse crop shall be added to and applied along with the permanent vegetative mixture. Consult Erosion Control Design Engineer for additional information concerning other alternatives for vegetation of denuded areas. The above vegetation rates are those that do well under local conditions; other seeding rate combinations are possible. *** TEMPORARY: Reseed according to optimum season for desired permanent vegetation. Do not allow temporary cover to grow more than 12" in height before mowing; otherwise, fescue may be shaded out. 4 4 r i7 n `r m .� .� c c P � m 2' V Z' u z S pcp V � mem 7 r2 7 � � F 3 ❑ m L S � m S � Z❑ 3 L Q m L Q m m E — _ _ __ cF F€€ a a ❑ CL n 7 T i T 2 i t C m # O '. 1 4 Vi � Z �' ❑ 7 T f' P 6 2 ' F E W LE 3 ai as as m V) 93 .w SC { V 4 It 1.6 It J] N N I] 7- 45 1�5 Y z m Ta 'fir y a Z. m $ ma E o x s' 7 ❑ L7 q _ �_ ❑ a r � � a a IQ $ € E t 3 (n m ro O IL w O r d� 55 F c j' L LU a_ LU r a F» n t AZ! i fw m a C m d w m Ln UJ r., ns rt uz a W C � v 12 a J ar. b � 4 'A p a W Y CONSTRUCTION SEQUENCE 1. Schedule a preconstruction conference with NCDEQ Erosion Control Officer and Erosion Control Design Engineer. Obtain a land -disturbing permit. 2. Install gravel construction entrance(s), silt fence, or other erosion control measures as shown on the approved plan. Clear only as necessary to install these devices. 3. Begin clearing and grubbing. Maintain devices as needed. Rough grade site. 4. Construct concrete end bents and wing walls for bridge and roadway. Use suitable fill material to raise grade behind concrete end bents and wing walls to construct proposed bridge. 6. Construct proposed bridge superstructure over Crabtree Creek. 7. Construct remaining portions of proposed roadway. Stabilize site as areas are brought up to finish grade with vegetation, paving, ditch linings, etc. Seed and mulch denuded areas per Ground Stabilization Time Frames. 9. Complete construction and stabilize all areas. 10. Vegetative planting for reforestation shall be added on streambanks not covered by rip rap. 11. Once the site is completely stabilized remove silt fence, staging and stockpile area(s), concrete washout area, etc., and seed out or stabilize any resulting bare areas. 12. When vegetation has become established, call for a final site inspection by the Erosion Control Design Engineer. STABILIZATION GUIDELINES NPDES Stormwater Discharge Permit for Construction Activities (NCGO1) NCDENR/Division of Energy, Mineral, and Land Resources NEW STABILIZATION TIMEFRAMES aw__ (Effective Aug. 3, 2011)MA SITE AREA STABILIZATION TIMEFRAME EXCEPTIONS DESCRIPTION Perimeter dikes, swales, 7 days None ditches, slopes High Quality Water 7 days None (HQW) Zones Slopes steeper than 3:1 7 days If slopes are 10' or less in length and are not steeper than 2:1, 14 days are allowed. Slopes 3:1 or flatter 14 days 7 days for slopes greater than 50' in length. All other areas with 14 days None, except for perimeters and HQW slopes flatter than 4:1 Zones. 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CeD e \ CG9ppA42 Crn CgC I+ WwF C2 C8B ~ ,CdC fi et?.., IAgC-APD / / 1 qg� CeD Cg82 CeF 2 A8� BB2, z e CgB2 G T C�� DuC2 ' '- ' h, + A B2 w _ CgC2 Ld82 mEAgC2 Ag82 CeF CeF CgC2 Cg82 APD (Joins sheef 47) WmE CeC2 10 69 68 67 Produced by the United States Geological Survey North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and N 1 000-meter grid:Universal Transverse Mercator, Zone 17S This map is not a legal document. Boundaries may be 9113' generalized for this map scale. Private lands within government 164 MILS 1'17 reservations may not be shown. Obtain permission before 23 MILS entering private lands. Imagery.....................................................NAIP, May 2016 - November 2016 Roads ......................................... U.S. Census Bureau, 2016 UTM GRIDAND 2019 MAGNETIC NORTH Names............................................................................GNIS, 1980 - 2017 DFCLINATIONAT CENTER OF SHEET Hydrography...............................National Hydrography Dataset, 1899 - 2018 Contours............................................National Elevation Dataset, 2008 U.S. National Grid Boundaries..............Multiple sources; see metadata file 2017 - 2018 100,000-m0SquareiD 0 Wedands.................FWS National Wetlands Inventory 1983 Pv Qv Grid Zone Desl gnatlon 17S 11 SCALE 1:24 000 1 0.5 0 KILOMETERS 1 2 1000 500 0 METERS 1000 2000 1 0.5 0 1 MILES 1000 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 FEET CONTOUR INTERVAL10 FEET NORTH AMERICAN VERTICAL DATUM OF 1988 This map was produced to conform with the National Geospatial Program US Topo Product Standard, 2011. A metadata file associated with this product is draft version 0.6.1 8 ROAD CLASSIFICATION NodlH Expressway Local Connector RouNA Secondary Hwy Local Road Ramp 4WD Interstate Route US Route O State Route QUADRANGLE LOCATION 1 Southwest Durham 1 2 3 2 Southeast Durham 3 Bayleaf 4 5 4 Green Level 5 Raleigh West 6 New Hill 6 7 s 8 Apex CARY NC 8 Lake Wheeler , ADJOINING QUADRANGLES 2019 `vA Section 1605 DIVISION 16 EROSION CONTROL AND ROADSIDE DEVELOPMENT 1 SECTION 1605 2 TEMPORARY SILT FENCE 3 1605-1 DESCRIPTION 4 Furnish material, construct, maintain and remove temporary silt fence in locations shown in 5 the plans or in locations that require surface drainage to be filtered. 6 1605-2 MATERIALS 7 Refer to Division 10. Item Section Geotextile, Type 3 1056 8 (A) Posts 9 Provide steel posts with at least 5 feet long, 1 3/8 inch wide measured parallel to the 10 fence and 1.25 lbs. per foot in weight per length. Equip with an anchor plate with an area 11 of at least 14.0 square inches. Ensure a means of retaining fencing material in the desired 12 position without displacement. 13 (B) Woven Wire Fence 14 Provide woven wire fence at least 32 inches high with 5 horizontal wires, vertical wires 15 spaced 12 inches apart, 10 gauge top and bottom wires and 12 1/2 gauge for all other 16 wires. 17 (C) Attachment Device 18 Provide plastic ties, wire fasteners or other approved attachment device. 19 1605-3 CONSTRUCTION METHODS 20 Install in locations as shown in the plans or as directed. 21 Install wire and geotextile as shown in Roadway Standard Drawings. 22 Geotextile may be used without the woven wire fence backing with a post spacing of not 23 more than 6 feet. 24 Install post inclined toward runoff source, at an angle of not more than 20' from vertical. 25 Attach geotextile to the post with acceptable methods. 26 Overlap geotextile at least 18 inches at splice joints. 27 1605-4 MAINTENANCE AND REMOVAL 28 Maintain the silt fence until the project is accepted or until the fence is removed. Remove and 29 replace deteriorated or ineffective geotextile. Remove and dispose of silt accumulations in 30 accordance with Section 1630 when necessary or as directed. 31 Leave silt fence in place until site stabilization and remove at project completion. Removed 32 silt fence becomes the property of the Contractor. Dress and seed and mulch all areas where 33 silt fence is removed in accordance with Section 1660. 13 16-1 Section 1606 1 1605-5 MEASUREMENT AND PAYMENT 2 Temporary Silt Fence will be measured and paid in linear feet, accepted in place, along the 3 ground line of the fence. Temporary Silt Fence that requires removal and replacement due to 4 general deterioration or ineffective geotextile will be paid at contract unit prices. Repairs to 5 the fence due to carelessness or neglect on the part of the Contractor will be at no cost to the 6 Department. 7 Silt Excavation will be measured and paid in accordance with Article 1630-3. 8 Seeding and Mulching will be measured and paid in accordance with Article 1660-8. 9 Article 104-5, pertaining to revised contract prices, will not apply to this item. No revision in 10 the contract unit price will be allowed because of any overrun or underrun. 11 Payment will be made under: Pay Item Pay Unit Temporary Silt Fence Linear Foot 12 SECTION 1606 13 SPECIAL SEDIMENT CONTROL FENCE 14 1606-1 DESCRIPTION 15 Furnish materials, construct, maintain and remove special sediment control fence. Place 16 special sediment control fence as shown in the plans or as directed. 17 1606-2 MATERIALS 18 Refer to Division 10. Item Section Sediment Control Stone, Standard Size No. 5 or 57 1005 19 (A) Posts 20 Provide steel posts in accordance with Subarticle 1605-2(A). 21 (B) 1/4" Hardware Cloth 22 Provide hardware cloth with 1/4 inch openings constructed from 24 gauge wire. 23 (C) Attachment Device 24 Provide plastic ties, wire fasteners or other approved attachment device. 25 1606-3 CONSTRUCTION METHODS 26 Install hardware cloth and sediment control stone in accordance with Roadway Standard 27 Drawings. Attach hardware cloth to post with acceptable methods. 28 Maintain the special sediment control fence until the project is accepted or until the fence is 29 removed. Remove and dispose of silt accumulations at the fence when so directed in 30 accordance with Section 1630. 31 1606-4 MEASUREMENT AND PAYMENT 32 Silt Excavation will be measured and paid in accordance with Article 1630-3. 33 114" Hardware Cloth will be measured and paid in accordance with Article 1632-5. 34 Sediment Control Stone will be measured and paid in accordance with Article 1610-4. 16-2 14 Section 1610 1 SECTION 1607 2 GRAVEL CONSTRUCTION ENTRANCE 3 1607-1 DESCRIPTION 4 Furnish, install, maintain and remove all material required for the construction of a gravel 5 construction entrance. 6 1607-2 MATERIALS 7 Refer to Division 10. Item Section Stone for Erosion Control, Class A 1042 Geotextile for Drainage, Type 2 1056 8 1607-3 CONSTRUCTION METHODS 9 Install a gravel construction entrance in accordance with Roadway Standard Drawings and at 10 locations as directed. Install gravel construction entrances in a way to prevent vehicles from 11 bypassing the construction entrance when leaving the project site. 12 1607-4 MEASUREMENT AND PAYMENT 13 Geotextile for Drainage will be measured and paid in accordance with Article 876-4. 14 Stone for Erosion Control, Class will be measured and paid in accordance with 15 Article 1610-4. 16 Such price and payment shall be full compensation for all work covered by this section 17 including all materials, construction, maintenance and removal of a gravel construction 18 entrance. 19 SECTION 1610 20 STONE FOR EROSION CONTROL 21 1610-1 DESCRIPTION 22 Furnish, stockpile if directed, place and maintain an approved stone for construction of 23 erosion control devices at ditches, diversions, swales, pipe inlets, pipe outlets, drainage 24 turnouts and at other locations designated in the plans or as directed. The work includes, but 25 is not limited to, furnishing, weighing, stockpiling, re -handling, placing and maintaining 26 stone; and disposal of any stone not incorporated into the project when necessary. 27 1610-2 MATERIALS 28 Refer to Division 10. Item Section Sediment Control Stone 1005 Stone for Erosion Control 1042 29 Use the class or standard size of stone specified in the contract documents. 30 1610-3 CONSTRUCTION METHODS 31 Place stone, in locations and to the thickness, widths and lengths as shown in the plans or as 32 directed. Construct erosion control devices in accordance with the plans neatly and uniformly 33 with an even surface and meeting the plans. 34 1610-4 MEASUREMENT AND PAYMENT 35 Stone For Erosion Control, Class will be measured and paid in tons of each class of stone 36 incorporated into the work, or has been delivered to and stockpiled on the project as directed. 37 Stone placed in the stockpile will not be measured a second time. Measure stone by weighing 15 16-3 Section 1615 in trucks on certified platform scales or other certified weighing devices. Sediment Control Stone will be measured and paid in tons of stone incorporated into the work, or has been delivered to and stockpiled on the project as directed. Stone placed in the stockpile will not be measured a second time. Measure stone by weighing in trucks on certified platform scales or other certified weighing devices. 6 Payment will be made under: Pay Item Pay Unit Stone For Erosion Control, Class- Ton Sediment Control Stone Ton 7 SECTION 1615 8 TEMPORARY MULCHING 9 1615-1 DESCRIPTION 10 Furnish, place and secure mulch material to prevent excessive soil erosion during construction 11 operations where it is impossible or impractical to perform permanent seeding and mulching. 12 The actual conditions which occur during the construction of the project will determine the 13 quantity of mulching. The quantity of mulching may be increased, decreased or eliminated 14 entirely as directed. Such variations in quantity will not be considered as alterations in the 15 details of construction or a change in the character of work. 16 1615-2 MATERIALS 17 Refer to Division 10. Item Mulch for Erosion Control Section 1060-5 18 Use undiluted emulsified asphalt or other approved tacking material. 19 1615-3 CONSTRUCTION METHODS 20 Place temporary mulch promptly at locations on temporarily seeded or non -seeded areas when 21 so directed. 22 Spread mulch uniformly over the area by hand or by means of appropriate mechanical 23 spreaders or blowers to obtain a satisfactory uniform cover. A satisfactory application of 24 temporary mulch on non -seeded areas consists of a sufficient amount to completely and 25 uniformly cover the ground. Apply tack within 24 hours after temporary mulch application. 26 When temporary mulching is performed in conjunction with temporary seeding, apply mulch 27 in accordance with Article 1660-6. Complete mulching and tacking within 24 hours of 28 temporary seeding work. Exercise care to prevent displacement of soil and seed or other 29 damage to areas where temporary seeding is done. 30 Apply a sufficient amount of asphalt or other type binding material when using grain straw to 31 assure that the temporary mulch is properly held in place. Take adequate precautions to 32 prevent damage to traffic, structures, guardrails, traffic control devices or any other 33 appurtenances during the application of binding material. Provide adequate covering or 34 change methods of application as required to prevent such damage. Repair any damage that 35 occurs, including any necessary cleaning. 36 Take sufficient precautions to prevent mulch from entering drainage structures through 37 displacement by wind, water or other causes and promptly remove any blockage to drainage 38 facilities. 16-4 16 Section 1620 1 1615-4 MEASUREMENT AND PAYMENT 2 Temporary Mulching will be measured and paid in acres, measured along the surface of the 3 ground over which temporary mulch has been placed as directed and accepted. 4 Payment will be made under: Pay Item Pay Unit Temporary Mulching Acre 5 SECTION 1620 6 TEMPORARY SEEDING 7 1620-1 DESCRIPTION 8 Seed and mulch selected areas in advance of the permanent seeding and mulching operations 9 to minimize erosion of graded areas during construction operations. The work includes 10 preparing seedbeds; furnishing, placing and covering fertilizer and seed; furnishing and 11 placing mulch; and other operations necessary for seeding the required areas. 12 Perform temporary seeding promptly at the locations and under any of the following 13 conditions when directed: 14 (A) When it is impossible or impractical to bring an area to the final line, grade and finish so 15 that permanent seeding and mulching operations can be performed without subsequent 16 serious disturbance by additional grading; 17 (B) When erosion occurs or is considered to be potentially substantial on areas of graded 18 roadbed where construction operations are temporarily suspended or where the grading of 19 the roadbed has been completed substantially in advance of the paving construction; 20 (C) During seasons of the year when permanent seeding and mulching is prohibited by the 21 contract; 22 (D) When an immediate cover would be desirable to minimize erosion, siltation or pollution 23 on any area. 24 The actual conditions that occur during the construction of the project will determine the 25 quantity of seed or fertilizer to be used. The quantity of seed or fertilizer may be increased, 26 decreased or eliminated entirely as directed. Such variations in quantity will not be 27 considered as alterations in the details of construction or a change in the character of the 28 work. 29 1620-2 MATERIALS 30 Refer to Division 10. Item Section Fertilizer 1060-2 Mulch for erosion control 1060-5 Seed 1060-4 31 See the contract for analysis of fertilizer and the kinds of seed. 32 1620-3 CONSTRUCTION METHODS 33 (A) Seedbed Preparation 34 Scarify areas to be seeded to a depth of not less than 5 inches unless directed otherwise. 35 The soil conditions and topography will determine the required depth of the seedbed. 36 Prepare the surface to be seeded with adequate furrows, ridges, terraces, trenches or other 37 irregularities in which seeding materials can lodge with reasonable assurance that the 38 materials will not be easily displaced by wind, rain or surface runoff. 17 16-5 Section 1620 1 (B) Applying and Covering Fertilizer and Seed 2 The analysis of fertilizer, the kinds of seed and the rates of application of fertilizer and 3 seed shall be as stated in the contract. 4 Apply no fertilizer or seed when the Engineer determines that conditions are unfavorable 5 for such operations. 6 Distribute the fertilizer or seed uniformly over the seedbed at the required rates of 7 applications. 8 Cover fertilizer and seed unless otherwise directed. If covering is required, provide it to 9 the depth acceptable to the Engineer for the prevention of displacement by wind, rain or 10 surface runoff. 11 Mulch all areas temporarily seeded, in accordance with Section 1615, unless otherwise 12 indicated in the contract or as directed. 13 Article 1660-5 will be applicable to the approval of equipment and the protection of 14 traffic, structures, guardrails, traffic control devices and other appurtenances. 15 (C) Mowing and Repair of Temporary Seeding 16 Maintain areas where temporary seeding is performed in a satisfactory condition, 17 including mowing at the locations and times as directed. 18 Repair areas of temporary seeding which have been damaged or have failed. Repair 19 includes reshaping or the placing of additional earth material and repeating the seeding 20 process. 21 1620-4 MEASUREMENT AND PAYMENT 22 Seed for Temporary Seeding will be measured and paid in pounds. The weight of seed will be 23 determined by bag count of standard weight bags or by weighing the seed. 24 Fertilizer for Temporary Seeding will be measured and paid in tons. The weight of dry 25 fertilizer will be determined by bag count of standard weight bags or by weighing the 26 fertilizer in trucks on certified platform scales or other certified weighing devices. 27 Temporary Mulching will be measured and paid in accordance with Article 1615-4. 28 Mowing will be measured and paid in accordance with Article 1660-8. 29 Where earthwork an temporary seeding have been adequately constructed, completely 30 drained and properly maintained, and damage occurs due to natural causes, the Contractor 31 will be paid at the contract unit price for the excavated material required for repairs to the 32 damaged earthwork and the contract unit prices for Seed For Temporary Seeding and 33 Fertilizer for Temporary Seeding for correcting the damaged temporary seeding. 34 Repair, at no cost to the Department, any damage to earthwork or temporary seeding which is 35 due to carelessness or neglect on the part of the Contractor. 36 Payment will be made under: Pay Item Pay Unit Seed For Temporary Seeding Pound Fertilizer For Temporary Seeding Ton 16-6 18 Section 1631 1 SECTION 1631 2 ROLLED EROSION CONTROL PRODUCTS 3 1631-1 DESCRIPTION 4 Furnish, place and maintain a rolled erosion control product (matting) on previously shaped 5 and seeded drainage ditches, slopes or other areas at locations shown in the contract or as 6 directed. Work includes providing all materials, excavation and backfilling, placing and 7 securing matting and maintaining the drainage ditch. 8 The conditions which occur during the construction of the project will determine the quantity 9 of matting placed. The quantity of matting may be increased, decreased or eliminated entirely 10 as directed. Such variations in quantity will not be considered as alterations in the details of 11 construction or a change in the character of the work. 12 1631-2 MATERIALS 13 Refer to Division 10. Section 1632 Item Section Matting for Erosion Control 1060-8 Staples 1060-8 14 1631-3 CONSTRUCTION METHODS 15 Place matting immediately following seeding. Provide a smooth soil surface free from stones, 16 clods or debris that will prevent the contact of the matting with the soil. Preserve the required 17 line, grade and cross section of the area covered. 18 Unroll matting in the direction of the flow of water and apply without stretching so that it will 19 lie smoothly but loosely on the soil surface. Bury the up -channel or top of slope end of each 20 piece of matting in a narrow trench at least 6 inches deep and tamp firmly. Where one roll of 21 matting ends and a second -roll begins, overlap the end of the upper roll over the buried end of 22 the second roll so there is a 4 inch overlap. Construct staple checks 4 inches on center and 23 every 30 feet longitudinally in the matting or as directed. Fold over and bury matting to the 24 full depth of the trench, close and tamp firmly. Overlap matting at least 4 inches where 2 or 25 more widths of matting are laid side by side. 26 Place staples across matting at ends, junctions and check trenches approximately 10 inches 27 apart. 28 Place staples along the outer edges and down the center of each strip of matting 3 feet apart. 29 Place staples along all lapped edges 10 inches apart. 30 Install product with netting on the top side when excelsior or straw matting is used. 31 The Engineer may require adjustments in the trenching or stapling requirements to fit 32 individual cut or fill slope conditions. 33 1631-4 MEASUREMENT AND PAYMENT 34 Matting will be measured and paid in square yards as measured along the surface of the 35 ground, over which matting has been acceptably placed. 36 Payment will be made under: Pay Item Pay Unit Matting For Erosion Control Square Yard 19 16-7 Section 1640 1 SECTION 1633 2 TEMPORARY ROCK SILT CHECKS 3 1633-1 DESCRIPTION 4 Construct, maintain and remove devices placed in ditches, diversions or swales to reduce 5 water velocity and contain sediment. 6 The actual conditions which occur during the construction of the project will determine t h e 7 quantity of temporary rock silt checks constructed. The quantity of silt check dams may be 8 increased, decreased or eliminated entirely as directed. Such variations in quantity will not be 9 considered as alterations in the details of construction or a change in the character of the 10 work. 11 1633-2 MATERIALS 12 Refer to Division 10. Item Section Sediment Control Stone, Standard Size No. 5 or 57 1005 Stone for Erosion Control, Class B 1042 13 1633-3 CONSTRUCTION METHODS 14 (A) Type A 15 Place structural stone in the channel, ditch, diversion or swale with approximately 2:1 16 side slopes. Place sediment control stone, approximately 12 inches thick on the upstream 17 side. 18 (B) Type B 19 Construct temporary rock silt check Type B devices as shown in the plans and at other 20 locations as directed. 21 1633-4 MAINTENANCE AND REMOVAL 22 Maintain the temporary rock silt checks, remove and dispose of silt accumulations at the silt 23 checks when so directed in accordance with Section 1630. 24 Remove temporary rock silt checks as the project nears completion. The actual time of 25 removal will be as directed. After removal of silt checks, dress the area to blend with existing 26 contours and seed and mulch the area in accordance with Section 1660. 27 1633-5 MEASUREMENT AND PAYMENT 28 Payment for temporary rock silt checks will be as follows: 29 Stone for Erosion Control, Class _ will be measured and paid in accordance with 30 Article 1610-4. 31 Sediment Control Stone will be measured and paid in accordance with Article 1610-4. 32 Silt Excavation will be measured and paid in accordance with Article 1630-3. 33 SECTION 1640 34 COIR FIBER BAFFLE 35 1640-1 DESCRIPTION 36 furnish material, install and maintain coir fiber baffles according to the details in the plans or 37 in locations as directed. Install coir fiber baffles in silt basins and sediment dams at drainage 16-8 20 Section 1640 outlets. Work includes providing all materials, placing, securing, excavating and backfilling of coir fiber baffles. 3 1640-2 MATERIALS 4 (A) Coir Fiber Mat 5 Provide matting to meet Article 1060-14 6 (B) Staples Provide staples made of 0.125 inch diameter new steel wire formed into a U-shape not less than 12 inches in length with a throat of 1 inch in width. (C) Posts 10 Provide steel posts at least 5 feet in length, approximately 1 3/8 inches wide measured 11 parallel to the baffle and have a minimum weight of 1.25 lbs. per foot of length. Equip 12 the post with an anchor plate having a minimum area of 14.0 square inches and of the 13 self -fastener angle steel type to have a means of retaining wire and coir fiber mat in the 14 desired position without displacement. 15 (D) Wire 16 Provide 9-gauge high tension wire strand of variable lengths. 17 (E) Attachment Device 18 Provide plastic ties, wire fasteners or other approved attachment device. 19 1640-3 CONSTRUCTION METHODS 20 Place the coir fiber baffles immediately upon construction of sediment dams and basins. 21 Install 3 baffles in basins with a spacing of 1/4 the basin length and according to the detail 22 sheets. Install 2 coir fiber baffles in basins less than 20 feet in length with a spacing of 1/3 the 23 basin length. 24 Place steel posts at a depth of 2 feet below the basin surface, with spacing of no more than 25 4 feet. The top height of the coir fiber baffles shall not be below the elevation of the 26 emergency spillway base of dams and basins. Attach a 9-gauge high-tension wire strand to 27 the steel posts at a height of 3 feet with plastic ties or wire fasteners. Install a steel post into 28 side of the basin at a variable depth and a height of 3 feet from the bottom of the basin to 29 anchor coir fiber mat. Secure anchor post to the upright steel post in basin with wire 30 fasteners. 31 Drape the coir fiber mat over the wire strand with at least 3 feet of material on each side of the 32 strand. Secure the coir fiber mat to the posts and wire strand with approved fastener. Place staples across the matting at ends and junctions approximately one foot apart at the bottom 33 and side slopes of basin. Overlap matting at least 6 inches where 2 or more widths of matting 34 are installed side by side. Refer to details in the plans. The Engineer may require adjustments 35 in the stapling requirements to fit individual site conditions. 36 1640-4 MEASUREMENT AND PAYMENT 37 Coir Fiber Baffle will be measured and paid as the actual number of linear feet of coir fiber 38 baffles which are installed and accepted. Such price and payment will be full compensation Section 1650 1 for all work covered by this section, including, but not limited to, furnishing all materials, 2 labor, equipment and incidentals necessary to install the coir fiber baffles. Payment will be made under: Pay Item Coir Fiber Baffle Pay Unit Linear Foot 21 16-9 Section 1650 SECTION 1650 WOODED AREA CLEANUP 1650-1 DESCRIPTION 7 Remove and satisfactorily dispose of debris and of dead, partially dead or broken vegetation 8 from wooded areas of the right of way outside clearing limits and from other areas outside 9 construction limits on which seeding and mulching is not to be performed. Work includes 10 treating stumps with herbicide and repairing any damage to vegetation. 11 Cutover timberland, reforested areas or thickets of young native volunteer vegetation will be 12 considered to be wooded areas. 13 1650-2 MATERIALS 14 Refer to Division 10. Item Section Herbicide 1060-13 15 1650-3 CONSTRUCTION METHODS 16 Remove all logs, stumps, snags, loose roots, down timber, slabs, tree laps, lumber, dead or 17 partially dead trees, broken trees or brush, dead brush, sawdust piles, discarded fences, leaf 18 piles, brick, tile masonry and other debris from the cleanup areas. Cut, all dead trees, stumps, 19 snags, broken or partially dead trees and brush, flush with the ground. Remove vegetation 20 which dies between initial cleanup and completion of the project before final acceptance. 21 Hand raking of areas or removal of a normal leaf layer is not required unless stated in the 22 contract. 23 Treat partially dead stumps or broken vegetation with a herbicide immediately after cutting. 24 Use the herbicide and the method and rate of application, specified in the contract. Follow all 25 applicable instructions, warnings and safety precautions stated on the manufacturer's label, 26 and comply with all laws and regulations governing herbicides that are in effect at the time of 27 use. 28 Dispose of all material cleaned up under this item in accordance with the applicable 29 requirements of Article 200-5 and Article 802-2. 30 1650-4 DAMAGE TO REMAINING VEGETATION 31 Conduct operations so as to prevent injury to trees, shrubs or other types of vegetation that are 32 to remain growing and to prevent damage to adjacent property. 33 Remove broken branches and rough edges of scarred trees or shrubs. Prune and shape these 34 areas in accordance with the International Society of Arboriculture pruning techniques. Cut 35 and dispose of any plants that are damaged beyond their value for landscape purposes and 36 seed and mulch vegetation that is damaged by the Contractor at no cost to the Department 37 when so directed. 38 1650-5 MEASUREMENT AND PAYMENT 39 Wooded Area Cleanup will be measured and paid in acres, measured horizontally, completed 40 and accepted. Section 1651 Payment will be made under: Pay Item Pay Unit Wooded Area Cleanup Acre 16-10 22 Section 1651 2 SECTION 1651 3 SELECTIVE VEGETATION 4 1651-1 DESCRIPTION 5 Remove selected living trees and undesirable living undergrowth from areas of the right of 6 way outside clearing limits in accordance with these Specifications. Work includes treating 7 stumps with herbicide and repairing any damage to vegetation. 1651-2 MATERIALS Refer to Division 10. Item Section Herbicide 1060-13 10 1651-3 CONSTRUCTION METHODS 11 (A) Trees 12 Remove trees shown in the plans or designated. Measure all tree diameter sizes at 13 a height of 4.5 feet above the ground. 14 (B) Undergrowth 15 Remove all undergrowth from areas shown in the plans, described in the Specifications or 16 designated, except for those plants designated to be preserved. All plants less than 17 4 inches in diameter, measured at a height of 4.5 feet above the ground shall be classified 18 as undergrowth. 19 (C) General 20 Treat stumps with a herbicide immediately after cutting to prevent sprouting. Use the 21 herbicide and the method and rate of application specified in the Specifications. Follow 22 all applicable instructions, warnings and safety precautions stated on the manufacturer's 23 label, and comply with all laws and regulations governing herbicides that are in effect at 24 the time of use. 25 When work is performed properly in accordance with these Specifications, no subsequent 26 re -cutting of sprouts or seedling growth will be required. 27 Dispose of all trees and undergrowth cut in accordance with Article 200-5. 28 1651-4 DAMAGE TO REMAINING VEGETATION 29 Conduct operations so as to prevent injury to trees, shrubs or other types of vegetation that are 30 to remain growing, and also to prevent damage to adjacent property. 31 Remove broken branches and rough edges of scarred trees or shrubs. Shape and make smooth 32 these areas in accordance with generally accepted horticultural practice. Cut and dispose of 33 any plants that are damaged beyond their value for landscape purposes and seed and mulch 34 vegetation that is damaged by the Contractor at no cost to the Department. 23 16-11 Section 1660 1651-5 MEASUREMENT AND PAYMENT Selective Tree Removal " will be measured and paid in units of each. Each tree removed will be paid at the contract unit price for the pay item size applicable to the actual tree diameter, measured at a height of 4.5 feet above the ground, as indicated in Table 1651-1. TABLE 1651-1 SELECT TREE REMOVAL PAY ITEM SIZES Pay Item Size Actual Tree Diameter 6 inch 4 inches up to 8 inches 10 inch 8 inches up to 12 inches 15 inch 12 inches up to 18 inches 18 inches 18 inches and over Selective Undergrowth Removal will be measured and paid in acres, measured horizontally, completed and accepted. Payment will be made under: Pay Item Pay Unit Selective Tree Removal, 6" Each Selective Tree Removal, 10" Each Selective Tree Removal, 15" Each Selective Tree Removal, 18" Each Selective Undergrowth Removal Acre SECTION 1660 SEEDING AND MULCHING 10 1660-1 DESCRIPTION 11 Prepare seedbed; furnish, place and incorporate limestone, fertilizer and seed; compact 12 seedbed; furnish, place and secure mulch; mow; and perform other operations necessary for 13 the permanent establishment of vegetation from seed on shoulders, slopes, ditches or other 14 roadside areas. 15 Perform seeding and mulching on all earth areas disturbed by construction and on portions of 16 areas seeded under previous contracts as directed where there is unsatisfactory vegetative 17 cover. 18 Adapt operations to variations in weather or soil conditions as necessary for the successful 19 establishment and growth of the grasses or legumes. 20 Preserve the required line, grade and cross section of the area treated. 21 The actual conditions which occur during the construction of the project will determine the 22 quantity of mowing. The quantity of mowing may be increased, decreased or eliminated 23 entirely as directed. Such variations in quantity will not be considered as alterations in the 24 details of construction or a change in the character of the work. 16-12 24 Section 1660 21 1660-2 MATERIALS 22 Refer to Division 10. Item Section Fertilizer 1060-2 Limestone 1060-3 Seed 1060-4 Mulch for Erosion Control 1060-5 23 Use undiluted emulsified asphalt for tacking material. 24 The analysis of fertilizer and the kinds of seed will be as stated in the contract. 1660-3 COORDINATION WITH GRADING OPERATIONS Perform seeding and mulching operations on a section by section basis immediately upon completion of earthwork sections in accordance with Article 225-2. When grading operations have been suspended, and seeding and mulching has been performed on areas where work has been suspended, include in the work of seeding and mulching of the adjacent sections any necessary overlapping of operations on previously established vegetative cover. When the Contractor fails or neglects to coordinate grading with seeding and mulching operations and to pursue diligently the control of erosion and siltation, the Engineer may suspend the Contractor's grading operations until such time as the work is coordinated in a manner acceptable to the Engineer. Such suspension will be in accordance with Article 108-7. 1660-4 SEEDBED PREPARATION 7 Cut and satisfactorily dispose of weeds or other unacceptable growth on the areas to be 8 seeded. Shape and smooth uneven and rough areas outside of the graded section, such as crop 9 rows, farm contours, ditches and ditch spoil banks, fence line and hedgerow soil 10 accumulations and other minor irregularities which cannot be obliterated by normal seedbed 11 preparation operations, to provide for more effective seeding and for ease of subsequent 12 mowing operations. 13 Scarify or otherwise loosen the soil to a depth of not less than 5 inches except as otherwise 14 provided below or otherwise directed. Break clods and work the top 2 inches to 3 inches of 15 soil into an acceptable seedbed by the use of soil pulverizers, drags or harrows; or by other 16 approved methods. Remove all rock and debris 3 inches or larger on median, shoulder and 17 ditch cut or fill slopes which are 3:1 or flatter, before the application of seed and fertilizer. 18 Remove rock 6 inches and larger displaced during seeding operations. 19 Scarify, groove, trench or puncture all slope surfaces. The depth of preparation and the 20 degree of smoothness of the seedbed may be reduced on cut slopes that are 2:1 and steeper, as 21 permitted by the Engineer. 22 On cut slopes that are either 2:1 or steeper, the Engineer may permit the preparation of 23 a partial or complete seedbed during the grading of the slope. If at the time of seeding and 24 mulching operations such preparation is still in a condition acceptable to the Engineer, 25 additional seedbed preparation may be reduced or eliminated. 26 Limit seedbed preparation to within 2 feet of the edge of any pavement to a depth of 2 inches 27 to 3 inches. 28 Do not prepare seedbed when the soil is frozen, extremely wet or when the Engineer 29 determines that it is an otherwise unfavorable working condition. 30 1660-5 APPLYING AND COVERING LIMESTONE, FERTILIZER AND SEED 25 16-13 Section 1660 31 (A) General 32 The contract will state the seasonal limitation for seeding operations; the kinds of grades 33 of fertilizers; the kinds of seed; and the rates of application of limestone, fertilizer and 34 seed. 35 Obtain approval from the Engineer before using equipment for the application, covering 36 or compaction of limestone, fertilizer and seed. Approval may be revoked at any time if 37 equipment is not maintained in satisfactory working condition, or if the equipment 38 operation damages the seed. 39 Apply limestone, fertilizer and seed within 24 hours after completion of seedbed Section 1660 preparation unless otherwise permitted by the Engineer. When the Engineer determines that weather and soil conditions are unfavorable, do not distribute any limestone or fertilizer and do not sow any seed. Take adequate precautions to prevent damage to traffic, structures, guardrails, traffic control devices or any other appurtenances during the application of fertilizer. Provide adequate covering or change methods of application as required to avoid such damage. Repair any damage that occurs, including any cleaning that may be necessary. (B) Limestone and Fertilizer 9 Limestone may be applied as a part of the seedbed preparation, provided it is 10 immediately worked into the soil. If not so applied, distribute limestone and fertilizer 11 uniformly over the prepared seedbed at the specified rate of application and then harrow, 12 rake or otherwise thoroughly work or mix into the seedbed. 13 (C) Seed 14 Distribute seed uniformly over the seedbed at the required rate of application, and 15 immediately harrow, drag, rake or otherwise work so as to cover the seed with a layer of 16 soil. Cover to a depth as directed by the Engineer. If two kinds of seed are to be used 17 which require different depths of covering, sow separately. 18 When a combination seed and fertilizer drill is used, drill fertilizer with seed after 19 applying and incorporating limestone into the soil. If using two kinds of seed requiring 20 different depth of cover, the seed requiring the lighter cover may be sown broadcast or 21 with a special attachment to the drill, or drilled lightly following the initial drilling 22 operation. 23 When using a hydraulic seeder for application of seed and fertilizer, do not allow the seed 24 to remain in water containing fertilizer for more than 30 minutes before application 25 unless otherwise permitted. 26 Compact the seedbed immediately after seed has been properly covered in the manner 27 and degree approved by the Engineer. 28 (D) Modifications 29 When adverse seeding conditions are encountered due to steepness of slope, height of 30 slope or soil conditions, the Engineer may direct or permit that modifications be made in 31 the above requirements which pertain to incorporating limestone into the seedbed; 32 covering limestone, seed and fertilizer; and compaction of the seedbed. 33 Such modifications may include but not be limited to the following: 34 (1) The incorporation of limestone into the seedbed may be omitted as follows: 35 (a) On cut slopes steeper than 2:1; 36 (b) On 2:1 cut slopes when a seedbed has been prepared during the excavation of 16-14 26 Section 1660 37 the cut and is still in an acceptable condition; or 38 © On areas of slopes where the surface of the area is too rocky to permit the 39 incorporation of the limestone. 40 (2) The rates of application of limestone, fertilizer and seed on slopes 2:1 or steeper or 41 on rocky surfaces may be reduced or eliminated. 42 (3) Compaction after seeding may be reduced or eliminated on slopes 2:1 or steeper, on 43 rocky surfaces or on other areas where soil conditions would make compaction 44 undesirable. 1660-6 MULCHING (A) General Mulch all seeded areas unless otherwise indicated in the contract or directed by the Engineer. Use grain straw as mulch at any time of the year. If permission to use material other than grain straw is requested and the use of such material is approved by the Engineer, the seasonal limitations, the methods and rates of application, the type of binding material or other conditions governing the use of such material will be established by the Engineer at the time of approval. (B) Applying Mulch 10 Apply mulch within 24 hours after completion of seeding unless otherwise permitted. 11 Exercise care to prevent displacement of soil or seed or other damage to the seeded area 12 during the mulching operations. 13 Spread mulch uniformly by hand or by approved mechanical spreaders or blowers which 14 will provide an acceptable application. An acceptable application will be that which will 15 allow some sunlight to penetrate and air to circulate but also partially shade the ground, 16 reduce erosion and conserve soil moisture. 17 © Holding Mulch 18 Hold mulch in place by applying a sufficient amount of undiluted emulsified asphalt or 19 other approved binding material. The Engineer will approve the rate and method of 20 application of binding material. Apply the binding material directly with the mulch or 21 immediately following the mulch application. 22 Take adequate precautions to prevent damage to traffic, structures, guardrails, traffic 23 control devices or any other appurtenances during the application of asphalt binding 24 material. Provide adequate covering or change methods of application as required to 25 avoid such damage. Repair any damage that occurs, including any cleaning that may be 26 necessary. 27 Take sufficient precautions to prevent mulch from entering drainage structures through 28 displacement by wind, water or other causes and promptly remove any blockage to 29 drainage facilities which may occur. 30 1660-7 MAINTENANCE OF SEEDING AND MULCHING 31 Maintain areas where seeding and mulching have been performed in a satisfactory condition 32 until final acceptance of the project. 33 Mow at the location and times as directed. 34 Correct areas of damage or failure due to any cause by repairing or completely reworking as 35 directed. 36 Repair in accordance with Section 1661 where extensive seedbed preparation is unnecessary. 37 Rework seeding and mulching in accordance with this section where correction requires 27 16-15 Section 1661 38 extensive seedbed preparation, or where earthwork repairs or complete reshaping are 39 necessary. 40 As an exception to the above, repair areas of damage or failure resulting either from 41 negligence on the part of the Contractor in performing subsequent construction 42 operations or from not taking adequate precautions to control erosion and siltation as 43 required throughout the various sections of the Specifications, at no cost to the 44 Department. 1660-8 MEASUREMENT AND PAYMENT Seeding and Mulching will be measured and paid in acres, measured along the surface of the ground completed and accepted. No direct payment will be made for furnishing and applying the limestone and fertilizer as such work and materials will be incidental to the work covered by Seeding and Mulching. Mowing will be measured and paid in acres measured along the surface of the ground mowed as directed. Where an area has been mowed more than once at the direction of the Engineer, separate measurement will be made each time the area is mowed. Corrective work will be compensated where seeding and mulching has been damaged or has failed to establish a satisfactory stand of vegetation. 9 Where correction can be made without extensive seedbed preparation, the work will be paid 10 in accordance with Article 1661-5 for Seed for Repair Seeding and Fertilizer for 11 Repair Seeding. 12 Where earthwork and seeding and mulching has been damaged to the extent that earthwork 13 repairs or complete reshaping are necessary, the Contractor will be paid at the contract unit 14 price for the excavated material required for repairs to the damaged earthwork, and at the 15 contract unit price for Seeding and Mulching for correcting the damaged seeding and 16 mulching. 17 As an exception to the above, repair, at no cost to the Department, any damage to earthwork 18 or seeded and mulched areas which is due to carelessness or neglect on the part of the 19 Contractor. 20 Payment will be made under: Pay Item Pay Unit Seeding and Mulching Acre Mowing Acre 21 SECTION 1661 22 REPAIR SEEDING 23 1661-1 DESCRIPTION 24 Repair areas previously seeded and mulched in accordance with Section 1660 but damaged or 25 failed to successfully establish a stand of vegetation. This work does not include repair 26 seeding made necessary by negligence on the part of the Contractor as described in 27 Article 1660-7, nor does it include repairs to temporary seeding constructed in accordance 28 with Section 1620. 29 Repair damage or failure in accordance with this section where correction can be made 30 without extensive seedbed preparation. 31 Where correction will require extensive seedbed preparation, or where earthwork repairs or 32 complete reshaping are necessary, repair in accordance with Section 1660. 32 Repair seeding includes minor seedbed preparation; the furnishing, placing and covering of fertilizer and seed; and mulch as required, all in accordance with these Specifications. 16-16 28 Section 1661 33 Perform repair seeding promptly at the locations and times as directed. 34 The actual conditions which occur during the construction of the project will determine the 35 quantity of seed or fertilizer used. The quantity of seed or fertilizer may be increased, 36 decreased or eliminated entirely at the discretion of the Engineer. Such variation in quantity 37 will not be considered as alterations in the details of construction or a change in the character 38 of the work. 1 1661-2 MATERIALS 2 Refer to Division 10. Item Section Fertilizer 1060-2 Seed 1060-4 Mulch for Erosion Control 1060-5 3 The analysis of fertilizer and the kinds of seed shall be as stated in the contract. 4 1661-3 SEEDBED PREPARATION 5 Seedbed preparation will be required unless otherwise permitted. 6 A seedbed preparation as extensive as that performed for the original seeding and mulching 7 will not be required. The degree of preparation shall be sufficient to retain the seed against 8 displacement by wind, rain or surface runoff, and be acceptable to the Engineer. The 9 acceptable degree of seedbed preparation will depend on the location, soil conditions and 10 drainage conditions at the site. 11 1661-4 APPLICATION OF FERTILIZER, SEED AND MULCH 12 The analysis of fertilizer, the kinds of seed and the rates of application of seed and fertilizer is 13 the same as specified in the project special provision for seeding and mulching, unless 14 otherwise directed, but in no case will the total rate of seed and fertilizer vary more or less 15 than 25% of that specified for seeding and mulching. 16 Do not distribute fertilizer or sow seed when the Engineer determines that conditions are 17 unfavorable for such operations. 18 Cover fertilizer and seed and secure mulch in place to prevent displacement by wind, rain or 19 surface runoff. 20 Article 1660-5 will be applicable to the approval of equipment and the protection of traffic, 21 structures, guardrails, traffic control devices and other appurtenances. 22 1661-5 MEASUREMENT AND PAYMENT 23 Seed for Repair Seeding will be measured and paid in pounds. The weight of seed will be 24 determined by bag count of standard weight bags or by weighing the seed. No direct payment 25 will be made for furnishing and applying mulch and all materials used to hold mulch in place, 26 as such work and materials will be incidental to the work covered by Seed for RepairSeeding. 27 Fertilizer for Repair Seeding will be measured and paid in tons. The weight of dry fertilizer 28 will be determined by bag count of standard weight bags, or by weighing the fertilizer in 29 trucks on certified platform scales or other certified weighing devices. 29 Payment will be made under: Pay Item Pay Unit Seed for Repair Seeding Pound Fertilizer for Repair Seeding Ton 30 29 16-17 Section 1662 31 SECTION 1662 32 SUPPLEMENTAL SEEDING 33 1662-1 DESCRIPTION 33 Apply additional seed to areas which have been previously seeded with permanent seed but 34 on which there is an unsatisfactory cover of vegetation. 35 This work is only to provide an additional amount of seed to areas that have an insufficient 36 stand of vegetation but which are too well established to require repair seeding. Work Section 1664 1 covered by this provision does not include seedbed preparation, fertilizer or mulch. 2 Perform supplemental seeding promptly at the locations and times as directed. 3 The actual conditions which occur during the construction of the project will determine the 4 quantity of seed used. The quantity of seed may be increased, decreased or eliminated 5 entirely as directed. Such variation in quantity will not be considered as alterations in the 6 details of construction or a change in the character of the work. 7 1662-2 MATERIALS 8 Refer to Division 10. Item Section Seed 1060-4 9 Use seeds as stated in the contract. 10 1662-3 APPLICATION 11 Seedbed preparation will not be required. 12 The contract will state the kinds and rates of application of seed. Sow no seed when the 13 Engineer determines that conditions are unfavorable. 14 Article 1660-5 will be applicable to the approval of equipment; and the protection of traffic, 15 traffic control devices and other appurtenances. 16 1662-4 MEASUREMENT AND PAYMENT 17 Seed for Supplemental Seeding will be measured and paid in pounds. The weight of seed will 18 be determined by bag count of standard weight bags or by weighing the seed. 19 Payment will be made under: Pay Item Pay Unit Seed for Supplemental Seeding Pound 20 SECTION 1664 21 SODDING 30 1664-1 DESCRIPTION 31 Prepare soil, furnish and place limestone, fertilizer, sod and water; and other operations 32 necessary for the permanent establishment of vegetation from sod on shoulders, slopes, 33 ditches or other roadside areas. 34 Adapt operations to variations in weather and soil conditions so as to assure the successful 35 establishment and growth of grasses. 16-18 30 Section 1664 36 Preserve the required line, grade and cross section of the area treated. 37 The actual conditions which occur during the construction of the project will determine the 38 quantity of water used and mowing required. The quantity of water or mowing may be 39 increased, decreased or eliminated entirely at the direction of the Engineer. Such variations in 40 quantity will not be considered alterations in the details of construction or a change in the 41 character of the work. 1 1664-2 MATERIALS 2 Refer to Division 10. Item Section Fertilizer 1060-2 Limestone 1060-3 Sod 1060-7 Water 1060-9 3 The contract will state the analysis of fertilizer and the kinds of sod. 4 1664-3 SODDING 5 (A) Handling and Storing Sod 6 Exercise extreme care during all operations of loading, transporting, unloading, storing, 7 placing, tamping and staking sod, to prevent breaking the sod sections and to prevent the 8 sod from drying out. Any sod that is torn, broken or too dry will be rejected. Torn or 9 broken sod, if kept moist, may be used for filling unavoidable small gaps in sod cover as 10 permitted. 11 Place sod on the designated areas within 48 hours after being cut unless otherwise 12 directed. 13 (B) Soil Preparation 14 Remove litter and other debris. Mow and satisfactorily dispose of weeds or other 15 unacceptable growth on the areas to be sodded. 16 Bring the area to be sodded to a firm uniform surface at such elevation that the surface of 17 the complete sodding conforms to the finished grade and cross section as shown in the 18 plans. 19 Scarify or otherwise loosen soil to a depth of not less than 5 inches. Break clods and 20 work the top 2 inches to 3 inches of soil into an acceptable soil bed by using soil 21 pulverizers, drags or harrows. 22 Place limestone and fertilizer before placing the sod. The contract will state the kind and 23 grade of fertilizer, and the rates of application of limestone and fertilizer. Distribute the 24 limestone and fertilizer uniformly over the area and thoroughly mix in the top 5 inches of 25 the soil by discing, harrowing or other approved methods. 26 Prepare the area by harrowing, dragging, raking or other approved methods to give 27 a lawn type finish. Remove all trash, debris and stones larger than 1 '/z inches in diameter 28 or other obstructions that could interfere with the placing of the sod. Moisten the finished 29 surface with water before placing the sod. 30 (C) Placing Sod 31 The contract will state the seasonal limitations for sodding and the kind of sod to use. 32 Sod handling and placement will be a continuous process of cutting, transporting and 33 installing without appreciable delays. Install sod within 48 hours after being cut and 34 water immediately after installation. 31 16-19 Section 1664 35 Place sod firmly and carefully by hand within 24 hours after soil preparation is completed 36 and accepted by the Engineer. Pack each piece of sod tightly against the edge of adjacent 37 pieces so that the fewest possible gaps will be left between the pieces. Close unavoidable 38 gaps with small pieces of sod. 39 When placing sod on a slope, begin at either the top or the toe of the slope. Place sod 40 with the long edge horizontal and with staggered vertical joints. Turn the edge of the sod 1 slightly into the ground at the top of a slope and place a layer of earth over it and compact 2 so as to divert the surface water over and onto the top of the sod. 3 Stake sod in place by driving stakes flush with the sod, on all slopes 2:1 or steeper, in 4 drainage channels, on other areas shown in the plans, and on any areas that are in such 5 condition that there is danger of sod slipping. Perform staking concurrently with sod 6 placement and before tamping with sound wooden stakes which are approximately one 7 inch square or one inch in diameter and not less than 12 inches in length. Place enough 8 stakes to prevent slipping or displacement of the sod. Drive stakes perpendicular to the 9 slope. Where backfill is necessary on cut slopes to obtain a uniform sodding area, 10 provide stakes of sufficient length to reach at least 3 inches into the solid earth 11 underneath the backfill. 12 On all other areas, use metal staples in place of wooden stakes. The metal staples should 13 be 12 inches long, made of 11 gauge new steel wire so as not to bend when pinned or 14 driven through the sod. Shorter staples may be used with the approval of the Engineer. 15 Place, stake and staple the sod where necessary, then tamp or roll carefully and firmly by 16 acceptable means. If rolled, roller shall weigh 150 lbs. per foot of roller width. Take 17 extreme care to prevent the installed sod from being torn or displaced. 18 Do not place sod when the atmospheric temperature is below 32°F. Do not use frozen 19 sod or place on frozen soil. 20 (D) Watering Sod 21 Water carefully and thoroughly after sod has been placed and tamped. Perform watering 22 as directed until final acceptance. Application of water may be made by the use of 23 hydraulic seeding equipment, farm type irrigation equipment or by other acceptable 24 means. 25 1664-4 MAINTENANCE 26 Maintain sod in a satisfactory and live condition until final acceptance of the project. 27 Maintenance includes watering and mowing at the locations and times as directed. 28 1664-5 MEASUREMENT AND PAYMENT 29 Sodding will be measured and paid in square yards, measured along the surface of the ground 30 completed and accepted. No direct payment will be made for mowing the sodding areas 31 before soil preparation as such work will be incidental to sodding. No direct payment will be 32 made for furnishing and applying limestone and fertilizer, as such will be incidental to the 33 work covered by sodding. 34 Water will be measured and paid in 1,000 gallon units. Measurement of water will be made 35 by means of an approved metering device at the source of supply, or by determining the 36 volumetric capacity of tank trucks used to deliver water to the project and recording the 37 number of loads delivered by each truck. 38 Mowing will be measured and paid in accordance with Article 1660-8. 39 The above prices and payment will be full compensation for all work covered by this section. 16-20 32 Section 1665 40 Payment will be made under: Pay Item Sodding Water 8 9 10 11 12 13 14 15 16 SECTION 1665 FERTILIZER TOPDRESSING 1665-1 DESCRIPTION Pay Unit Square Yard 1,000 Gallons Furnish and uniformly distribute fertilizer as a topdressing to areas on which seeding and mulching, sprigging or sodding are completed and a vegetative cover is established. Top dress previously seeded, sprigged or sodded areas under other contracts when so stated in the contract or where so directed. The actual conditions that occur during the construction of the project will determine the quantity of fertilizer topdressing used. In the event that a vegetative cover has not had sufficient time to develop to a size suitable for topdressing before completion of the project, the work of fertilizer topdressing will be decreased or eliminated entirely. Where the use of additional fertilizer topdressing would be beneficial to the establishment of grasses or legumes, the work of fertilizer topdressing will be increased. The quantity of fertilizer topdressing may be increased, decreased or eliminated entirely as directed. Such variations in quantity will not be considered as alterations in the details of construction or a change in the character of work. 17 1665-2 MATERIALS 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Use fertilizer containing no urea for topdressing. Refer to Division 10. Item Section Fertilizer 1060-2 The analysis of fertilizer shall be as stated in the contract. 1665-3 APPLICATION Apply fertilizer topdressing at the locations and times as directed, regardless of whether or not other seeding, sprigging or sodding operations are underway at the time. The contract will state the rate of application and analysis of fertilizer. Distribute fertilizer uniformly without any type of soil disturbance. Refer to the contract for the approval of equipment and the protection of traffic, structures, guardrails, traffic control devices and other appurtenances. 1665-4 MEASUREMENT AND PAYMENT Fertilizer Topdressing will be measured and be paid in tons. The weight of dry fertilizer will be determined by bag count of standard weight bags or by weighing the fertilizer in trucks on certified platform scales or other certified weighing devices. In the event that an alternative analysis of fertilizer topdressing is approved and used, it will be in an equivalent number of tons of fertilizer, of the specified analysis, based on nutrient value. Payment will be made under: Pay Item Fertilizer Topdressing Pay Unit Ton 33 16-21 Section 1670 1 SECTION 1667 2 SPECIALIZED HAND MOWING 3 1667-1 DESCRIPTION 4 This work consists of specialized hand mowing around or under fixed objects, including but 5 not limited to guardrails, signs, barriers and slopes in a method acceptable to the Engineer. Specialized hand mowing shall be completed with mechanically powered trimmers, string trimmers, hand operated rotary mowers or self-propelled mowers of sufficient size and quality to perform the work timely and efficiently. The quantity of mowing to be performed will be affected by the actual conditions that occur during the construction of the project. The quantity of mowing may be increased, decreased or eliminated entirely as directed. Such variations in quantity will not be considered as alterations in the details of construction or a change in the character of the work. 1667-2 MEASUREMENT AND PAYMENT Specialized Hand Mowing will be measured and paid as the actual number of man hours each worker spends hand mowing, as directed. When directed to mow an area more than once, separate measurement will be made each time the area is mowed. Payment will be made under: Pay Item Pay Unit Specialized Hand Mowing Man Hour 10 SECTION 1670 11 PLANTING 12 1670-1 DESCRIPTION 13 Furnish, deliver and plant trees, shrubs, vines, ground covers, bedding plants and seedlings at 14 locations shown in the plans or as directed, in accordance with these Specifications. 15 The work of planting includes plant bed preparation, initial planting, plant establishment and 16 replacement planting. 17 Perform the operations carefully to promote the continued life and healthy growth of all plants 18 in their final location. 19 The actual conditions that occur during the construction of the project will determine the 20 quantity of plant bed fumigation or post -emergent and pre -emergent herbicidal treatment for 21 plant beds. The quantities of post -emergent and pre -emergent herbicidal treatment for plant 22 beds may be increased, decreased or eliminated entirely as directed. Such variations in 23 quantity will not be considered as alterations in the details of construction or a change in the 24 character of the work. 25 1670-2 MATERIALS 26 Refer to Division 10. Item Fertilizer Water Nursery Grown Plant Materials Mulch for Planting Materials for Staking or Guying Herbicide 27 Furnish nursery grown plant materials Section 1060-2 1060-9 1060-10 1060-11 1060-12 1060-13 16-22 34 Section 1670 The contract will state the kind of herbicides to be used. 1670-3 WEATHER AND SEASONAL LIMITATIONS Perform planting operations only between the dates shown in the contract except where otherwise permitted in writing. Do not plant when the temperature is below 32°F, when the plant hole is frozen or when soil to excavate and fill the plant hole is frozen or too wet. 7 Apply post -emergent herbicide when the weeds are near maturity but not when the weeds are 8 under stress from drought, disease, insect damage or any other cause. 9 Do not apply post -emergent herbicide when rain is likely within the next 6 hours or as 10 restricted on the product label. 11 1670-4 CARE AND HANDLING PLANTS (B) General 12 Exercise utmost care in digging, loading, transporting, unloading, planting or otherwise 13 handling plants and use adequate precautions to prevent injury to or drying out of the 14 trunk, branches or roots; and to prevent freezing of the plant roots. Heel -in plants within 15 48 hours of delivery from the nursery, if they cannot be planted within that time. 16 Properly maintain all heeled -in plants until planted. Do not have plants remain heeled -in 17 for more than 30 days. Open plants immediately when delivered in boxes or wrapped in 18 bundles or other forms of closed packages and inspect and dampen if necessary. 19 (B) Balled and Burlapped Plants 20 Protect the roots of balled and burlapped plants, if not immediately planted after delivery, 21 by adequately covering with a soil, mulch or sawdust that is kept moist constantly in 22 an acceptable manner appropriate to weather or seasonal conditions. Preserve the solidity 23 of the plant ball carefully. 24 (C) Bare Rooted Plants 25 Refrigerate or immediately heel -in all plants, if not promptly planted, in moist soil, mulch 26 or sawdust in an acceptable manner corresponding to generally accepted horticultural 27 practice. 28 Protect the plants from drying out by means of wet canvas, burlap or straw or by other 29 means acceptable while being transported or planted. 30 (D) Geophytes 31 Geophytes; bulbs, corms and tuberous plants; that are being shipped shall be packaged in 32 containers that meet industry standards and have been pre -approved by the engineer. All 33 individual packages shall be clearly labeled with quantity and cultivar name. 34 While bulbs, corms and tuberous plants are being transported or are being distributed in 35 planting beds, or are awaiting planting after distribution, protect them from drying out by 36 means of wet canvas, burlap, or straw, or by other means acceptable to the Engineer and 37 appropriate to weather conditions and the length of time they will be out of the ground. 38 Care shall be taken to avoid unnecessary injury to the bulbs before planting. 39 Pre -plant cool treatment is required for plants planted in a USDA Climatic Zones 9 40 and 10. Storage of bulbs, corms and tuberous plants which do not require pre -plant cool 41 treatment shall be stored in open trays and placed in a 55°F - 65°F, dry place away from 42 frost and heat and never allowed to dry out to the point of shriveling. Packing in slightly 43 moist peat is preferred. The storage area shall be well -ventilated and ethylene -free. Do 44 not store bulbs with fruit such as apples or pears which produces ethylene gas which can 45 cause problems with flowering. Do not store bulbs in paper or plastic bags unless 35 16-23 Section 1670 1 otherwise specified or approved. If a refrigerator is used it shall be frequently ventilated. 2 1670-5 PLANT LOCATION 3 Locate and mark on the ground locations for plants and outlines for areas to be planted or 4 reforested and obtain approval before digging plant holes for beds. 5 Where so directed, furnish and install standard identification wires with plastic flags to 6 designate individual plants in major planting areas. 7 Flags will not necessarily be needed for all plants required by the contract, but use these flags 8 on portions of the project until plant locations in these portions are approved. 9 Unforeseen conditions may make it necessary to make minor adjustments in plant locations 10 due to utility lines, traffic signs, rock, drainage, etc., and such adjustments will be permitted 11 subject to approval. 12 1670-6 PRUNING 13 Prune shrubs and trees after planting as shown in the plans or as directed by the Engineer. 14 Pruning done at any time in no way alters the Department's right to reject plant material. 15 Prune in accordance with the International Society of Arboriculture pruning techniques, and 16 according to shape, size and condition of the individual plant. 17 1670-7 PLANT BED TREATMENT 18 (A) General 19 Treat plant beds by application of herbicides where called for by the plans or directed. 20 (B) License 21 Make pesticide applications by or under the direct supervision of an applicator licensed 22 by the North Carolina Department of Agriculture and Consumer Services. 23 (C) Post -Emergent Herbicidal Treatment 24 Post -emergent herbicidal treatment includes applications of a systemic post -emergent 25 total vegetation control herbicide. 26 The contract will state the rates of application of the post -emergent herbicides. 27 Apply all herbicides in accordance with the manufacturer's instructions on the product 28 label. 29 Apply post -emergent herbicide when the weeds are near maturity but not when the weeds 30 are under stress from drought, disease, insect damage or any other cause. Ifcloudy 31 weather or other poor growing conditions are present, extend this 7 day period until there 32 are visible signs of herbicidal activity. Reapply if necessary to achieve a thorough 33 control. 34 (1) Post -Emergent Application for Plant Bed Preparation 35 Apply a systemic post -emergent total vegetation control herbicide to the bed area 36 before any tilling or mowing is performed. Perform no tilling or mowing for at least 37 7 days after the application. Thoroughly till the bed after the waiting period, or when 38 injury to the vegetation appears. Prepare the soil in good tilth with no clods over one 39 inch present and before planting. 40 (2) Post -Emergent Application for Plant Bed Maintenance 41 Apply a systemic post -emergent herbicidal treatment in accordance with product 42 label in a manner to ensure no damage to planted material. Perform no mowing or 43 vegetation removal by other means for at least 7 days after the application. 16-24 36 Section 1670 1 (D) Pre -Emergent Herbicidal Treatment 2 Pre -emergent herbicidal treatment includes the application of a pre -emergent herbicide. 3 Apply a pre -emergent herbicide to the plant bed after the existing vegetation has been 4 completely controlled by a post -emergent herbicide application as specified in herein and 5 after installation of planting and mulching as described in Articles 1670-9 and 1670-10. 6 Apply pre -emergent herbicide following planting and mulching of plant bed before 7 germination of weed seeds. An additional application of post -emergent herbicidal 8 treatment may be necessary to control emerged weeds, as directed, if sufficient time has 9 lapsed between tillage and installation of plant material and mulch. No direct payment 10 will be made for additional post -emergent herbicidal work if such work is due to 11 carelessness or neglect on the part of the Contractor. 12 Apply herbicide evenly over the soil surface with properly calibrated equipment at the 13 specified rate. 14 If at least 0.5 inches of rainfall does not occur within 15 days of application of pre- 15 emergent herbicidal treatment, apply at least 0.5 inches of water (2.8 gal/sy) uniformly 16 over the planting area to activate the herbicide. 17 1670-8 EXCAVATION OF PLANT HOLES 18 Provide cylindrical shaped plant hole excavations for plants other than reforestation plants, 19 with the plant location stake marking the center of the circle and with the sides of the hole 20 being approximately vertical. When mechanical means are used which make digging of 21 cylindrical holes impractical, the complete hole shall have the minimum dimensions as shown 22 in the plans. 23 When plants are to be grouped together in a plant bed as contrasted to widely separated 24 individual plants, and when so indicated in the plans, loosen and pulverize clods to a depth of 25 not less than 5 inches for the entire area of the plant bed by means of a scarifier, disc, spade or 26 other appropriate means before plant holes are dug. 27 Plant reforestation plants in holes made by a planting spade, planting bar or other means 28 which meet the approval of the Engineer. Make the hole of sufficient size to accommodate 29 the entire extended root system of the plant without cramping. 30 When geophytes; bulbs, corms and tuberous plants; are to be grouped together in a plant bed 31 as contrasted to widely separated individual plants, and when so indicated in the plans, loosen 32 and pulverize clods to a depth of not less than 8 inches, or as indicated in the plans, for the 33 entire area of the plant bed by means of a scarifier, disc, spade or other appropriate means 34 before plant holes are dug. 35 Place plants in holes made by a planting spade, planting bar or other means which meet the 36 approval of the Engineer. Make the hole of sufficient size to accommodate the entire plant 37 structure without cramping. Take care to plant all plants at a uniform depth as indicated in the 38 plans or directed by the Engineer. 39 When geophytes are to be planted separately as individual plants or in small separated groups, 40 loosen and pulverize clods with a spade, auger or other means which meet the approval of the 41 Engineer. Individual planting holes shall be to a depth of not less than 8 inches, or sufficient 42 size to accommodate the entire plant structure without cramping or to a depth as indicated in 43 the plans or directed by the Engineer. 44 1670-9 PLANTING, BACKFILLING AND WATERING 45 (A) General 46 The plans will state the kind and rate of application of fertilizer. Apply fertilizer during 47 backfilling operations in a manner that will ensure proper placement of the fertilizer and 48 avoid injury to the roots. 37 16-25 Section 1670 Scarify the walls and floor of the plant hole after the plant hole is dug. Place the plant in the prepared plant hole at the proper position as regards to depth, alignment, final grade of the surrounding ground level and vertical placement of the trunk. Maintain this position during all subsequent backfilling and watering operations. Set plants with the root collar at the same depth as grown in the nursery or raise above grade as indicated in the plans. 7 Moisten the soil with water after one-half to two-thirds of the backfilling and tamping has 8 been completed, if the soil in the plant holes is not sufficiently moist. Apply water to 9 moisten all soil but not a quantity that will saturate the soil to the extent of excluding all 10 air ftom around the roots. Place the remainder of the backfill after complete absorption 11 of water. 12 Construct water rings around all plants, except reforestation plants, in accordance with 13 details shown in the plans. A water ring consists of a ridge of firmed soil in a ring around 14 the plant and of a minimum inside diameter equal to the diameter of the plant hole. This 15 ridge is approximately 6 inches high and is compacted firmly enough to hold water. 16 (B) Balled and Burlapped Plants 17 Handle balled and burlapped plants by the ball and place in the plant hole so that the soil 18 of the ball will not be loosened from the roots. After the hole has been almost completely 19 backfilled and the soil thoroughly firmed under and around the ball, cut the burlap away 20 and remove from around the stem of the plant. Complete backfilling so as to avoid 21 loosening of the soil of the root ball. 22 (C) Container Grown Plants 23 Planting requirements for container grown plants are the same as applicable to balled and 24 burlapped plants. Remove container immediately before planting. During the removal of 25 the container, take sufficient precautions to ensure that the soil and roots inside the 26 container are undisturbed. Scarify roots when directed. 27 (D) Bare Rooted Plants 28 Before the plant is placed in the plant hole, cut off smoothly any bruised or broken parts 29 of roots. Place the plant in its proper position in the hole and backfill. Carefully place 30 the backfill material, worked around and under the roots and compacted in a manner that 31 avoids bruising or breaking the roots. 32 (E) Reforestation Plants 33 Reforestation includes tree reforestation and shrub reforestation. Type, mixture, size, 34 furnish description and spacing will be as shown on the reforestation detail sheet in the 35 plans. 36 Before beginning reforestation, each area to be reforested will be measured by the 37 Engineer to determine the exact number of acres for tree reforestation or shrub 38 reforestation therein and the quantity of each species of seedling to be planted within the 39 area. 40 Where structures or plantings do not adequately delineate the outline of the area to be 41 reforested, stake the outline of the area as directed by the Engineer. Furnish cypress, 42 cedar, oak, locust or other wood stakes approved by the Engineer. Provide stakes with 43 a minimum industry standard of 2 inches x 2 inches (nominal) size and approximately 44 30 inches in length with a 15 inch white top. Drive stakes in the ground with 45 approximately 18 inches remaining above the ground line and place as necessary to 46 define and delineate the reforestation outline. 47 Ensure sample stock of reforestation seedlings are inspected by the Engineer, for general 48 health and moisture content, within 24 hours before planting. 16-26 38 Section 1670 After the plant hole has been prepared, place the plant upright in the hole at the correct depth without crowding or bunching the roots. Firm the soil around the root system from the bottom of the plant hole to natural ground elevation. Upon completion of planting the required number of seedlings within all areas to be reforested, the Contractor will be relieved of further responsibility in connection with reforestation except for damage caused directly by the Contractor. 7 (F) Geophytes 8 When planting geophytes; bulbs, corms and tuberous plants; take care to place all plants 9 at a uniform depth as indicated in the plans or directed by the Engineer. All plants shall 10 be set upright as originally grown and at the proper spacing and depth from the natural 11 ground elevation. Soil that is backfilled into the hole to obtain the proper depth shall be 12 firmed before plant placement. Soil backfilled over the plant shall be firmed. 13 Planting shall be accomplished when the soil temperature is 40°F to 45°F or as directed 14 by the Engineer. No phase of this work shall be performed when the temperature is 15 below 32°F, when the plant holes are frozen or when soil to excavate and fill the plant 16 hole is frozen or too wet. 17 Geophytes shall be watered as stated in the contract or as directed by the Engineer. 18 Watering will be required for geophytes if the soil in the plant hole is not sufficiently 19 moist. Apply water to moisten all soil, but not in a quantity that will create standing 20 water or saturate the soil to the extent of excluding all air from around the plant. 21 1670-10 MULCH FOR PLANTING 22 Place mulch within 7 days of initial planting as a top layer on the backfilled plant hole and 23 water ring. Place mulch approximately 4 inches deep as shown in the plans or as directed. 24 Place additional mulch as directed during establishment. 25 No mulching will be required for reforestation plants. 26 1670-11 WATER FOR PLANTING 27 Water at the time of planting as specified in Article 1670-9 and at the Contractor's election 28 and the Engineer's approval. Water with gravity flow or low pressure applicators which have 29 been approved, and which will not erode soil around the plant root system or damage to 30 plants. Saturate the soil around each plant thoroughly at each watering. 31 1670-12 STAKING OR GUYING 32 Stake or guy plants as shown in the plans or as directed to prevent damage. 33 Ensure that the plant is attached and held rigid to the support in a manner that will prevent 34 chafing or other injury to the bark, and that will permit normal development of the trunk or 35 branch. 36 1670-13 INITIAL PLANTING 37 Initial planting will be complete when the plants have been placed in the plant hole, 38 backfilled, fertilized, watered, mulched, staked and guyed, and the plants are in an acceptable 39 condition. 40 1670-14 ESTABLISHMENT 41 Begin establishment for all initial or replacement plants immediately after they are planted. 42 Maintain trees, shrubs, vines and groundcovers, and the area of planting until final acceptance 43 of the project. Mow and maintain the area around trees and shrubs for a distance of 6 feet 44 beyond the outside limits of water rings or 6 feet beyond the limits of the guy stakes, 45 whichever is greater; within shrub beds; and for a distance of 6 feet outside the perimeter of 46 the shrub beds. Establishment includes cutting of grass and control of weeds; watering; 39 16-27 Section 1670 fertilization; replacement of mulch; repair or replacement of guy stakes, guy wires and water rings; and other work as directed to ensure the survival and growth of plant material and the satisfactory appearance of the project. Remove dead plant material from the project during the establishment period. 1670-15 REPLACEMENT PLANTING Replacement planting of trees, shrubs and ground cover consists of replacing those plants which are not in a living, healthy condition or do not conform to the Specifications contained in American Standard for Nursery Stock or damaged or stolen. Replacement of reforestation plants will not be required. 10 Perform replacement planting within the planting season specified in the contract. 11 1670-16 FINAL INSPECTION 12 All planting shall be completed and all plants shall be in a living and healthy condition at the 13 time of final inspection. 14 1670-17 MEASUREMENT AND PAYMENT 15 (Plant Species and Size Indicated in Contract) will be measured and paid in units of each, 16 other than reforestation plants, planted and accepted. 17 Reforestation will be measured and paid in acres of land measured along the surface of the 18 ground. 19 Wetland Reforestation will be measured and paid in acres of land, measured along the surface 20 of the ground. 21 Post -emergent Herbicidal Treatment will be measured and paid in square yards of plant bed 22 measured along the surface of the ground. 23 Pre -emergent Herbicidal Treatment will be measured and paid in square yards of plant bed 24 measured along the surface of the ground. 25 Geophytes (plant species and size indicated in contract) will be measured and paid in units of 26 each that have been planted and accepted. 27 Mulch for Planting will be measured and paid in cubic yards. Where mulch is furnished in 28 bales or bags, the number of cubic yards in each bale or bag will be determined and then 29 multiplied by the number of bales or bags of the same size which have been acceptably 30 furnished and placed. Where mulch is furnished in trucks, each truck will be measured by the 31 Engineer and shall bear a legible identification mark indicating its capacity. Load each truck 32 to at least its measured capacity at the time it arrives at the site of the work. 33 Water for Planting will be measured and paid in units of 1,000 gallon units. Measurement of 34 water will be made by means of an approved metering device at the source of supply, or by 35 determining the volumetric capacity of tank trucks used to deliver water to the project and 36 recording the number of loads delivered by each truck. 37 No payment will be made for plant bed preparation, tillage, staking or guying and 38 fertilization, for this work will be incidental to other work in the contract. 16-28 40 Section 1670 Payment will be made under: Pay Item Pay Unit (Plant species and size indicated in contract) Each Reforestation Acre Wetland Reforestation Acre Post -Emergent Herbicidal Treatment for Plant Beds Square Yard Pre -Emergent Herbicidal Treatment for Plant Beds Square Yard Geophytes Each Mulch for Planting Cubic Yard Water for Planting 1,000 Gallons 41 16-29 303(d) IMPAIRED WATERS LIST: The Crabtree Creek (Crabtree Lake), which has been identified on the 303(d) list of impaired waters as impaired for sedimentation and/or turbidity, is within one mile of the project and receives drainage from the project. The Contractor shall adhere to all conditions and/or regulations required for impacts to these waters. COIR FIBER MAT: Description Furnish material, install and maintain coir fiber mat in locations shown on the plans or in locations as directed. Work includes providing all materials, excavating and backfilling, and placing and securing coir fiber mat with stakes, steel reinforcement bars or staples as directed. Materials Item Section Coir Fiber Mat 1060-14 Anchors: Stakes, reinforcement bars, or staples shall be used as anchors. Wooden Stakes: Provide hardwood stakes 12"- 24" long with a 2" x 2" nominal square cross section. One end of the stake must be sharpened or beveled to facilitate driving through the coir fiber mat and down into the underlying soil. The other end of the stake needs to have a 1 "- 2" long head at the top with a 1 "- 2" notch following to catch and secure the coir fiber mat. Steel Reinforcement Bars: Provide uncoated #10 steel reinforcement bars 24" nominal length. The bars shall have a 4" diameter bend at one end with a 4" straight section at the tip to catch and secure the coir fiber mat. Staples: Provide staples made of 0.125" diameter new steel wire formed into a u shape not less than 12" in length with a throat of 1" in width. Construction Methods Place the coir fiber mat immediately upon final grading. Provide a smooth soil 16-30 42 surface free from stones, clods, or debris that will prevent the contact of the mat with the soil. Unroll the mat and apply without stretching such that it will lie smoothly but loosely on the soil surface. For stream relocation applications, take care to preserve the required line, grade, and cross section of the area covered. Bury the top slope end of each piece of mat in a narrow trench at least 6 in. deep and tamp firmly. Where one roll of matting ends and a second roll begins, overlap the end of the upper roll over the buried end of the second roll so there is a 6 in. overlap. Construct check trenches at least 12 in. deep every 50 ft. longitudinally along the edges of the mat or as directed. Fold over and bury mat to the full depth of the trench, close and tamp firmly. Overlap mat at least 6 in. where 2 or more widths of mat are installed side by side. Place anchors across the mat at the ends approximately 1 ft. apart. Place anchors along the outer edges and down the center of the mat 3 ft. apart. Adjustments in the trenching or anchoring requirements to fit individual site conditions may be required. Measurement and Payment Coir Fiber Mat will be measured and paid for as the actual number of square yards measured along the surface of the ground over which coir fiber mat is installed and accepted. No measurement will be made for anchor items. Payment will be made under: Pay Item Pay Unit Coir Fiber Mat Square Yard CONCRETE WASHOUT STRUCTURE: (01-03-19) Description Concrete washout structures are enclosures above or below grade to contain concrete waste water and associated concrete mix from washing out ready -mix trucks, drums, pumps, or other equipment. Concrete washouts must collect and retain all the concrete washout water and solids, so that this material does not migrate to surface waters or into the ground water. These enclosures are not intended for concrete waste not associated with wash out operations. The concrete washout structure may include constructed devices above or below ground and or commercially available devices designed specifically to capture concrete wash 43 16-31 water Materials Item Section Temporary Silt Fence 1605 Safety Fence shall meet the specifications as provided elsewhere in this contract. Geomembrane basin liner shall meet the following minimum physical properties for low permeability; it shall consist of a polypropylene or polyethylene 10 mil think geomembrane. If the minimum setback dimensions can be achieved the liner is not required. (5 feet above groundwater, 50 feet from top of bank of perennial stream, other surface water body, or wetland.) Construction Methods Build an enclosed earthen berm or excavate to form an enclosure in accordance with the details and as directed. Install temporary silt fence around the perimeter of the enclosure in accordance with the details and as directed if structure is not located in an area where existing erosion and sedimentation control devices are capable to containing any loss of sediment. Post a sign with the words "Concrete Washout" in close proximity of the concrete washout area, so it is clearly visible to site personnel. Install safety fence as directed for visibility to construction traffic. The construction details for the above grade and below grade concrete washout structures can be found on the following web page link: https: Hconnect.ncdot. gov/resources/roadside/SoilWaterpocuments/ConcreteWashoutStructuredeta il.pdf Alternate details for accommodating concrete washout may be submitted for review and approval. The alternate details shall include the method used to retain and dispose of the concrete waste water within the project limits and in accordance with the minimum setback requirements. (5 feet above groundwater, 50 feet from top of bank of perennial stream, other surface water body, or wetland.) 16-32 44 Maintenance and Removal Maintain the concrete washout structure(s) to provide adequate holding capacity plus a minimum freeboard of 12 inches. Remove and dispose of hardened concrete and return the structure to a functional condition after reaching 75% capacity. Inspect concrete washout structures for damage and maintain for effectiveness. Remove the concrete washout structures and sign upon project completion. Grade the earth material to match the existing contours and permanently seed and mulch area. Measurement and Payment Concrete Washout Structure will be paid for per each enclosure installed in accordance with the details. If alternate details are approved then those details will also be paid for per each approved and installed device. Temporary Silt Fence will be measured and paid for in accordance with Article 1605-5 of the Standard Specifications. No measurement will be made for other items or for over excavation or stockpiling. Payment will be made under: Pay Item Pay Unit Concrete Washout Structure Each CONSTRUCTION MATERIALS MANAGEMENT (3-19-19) (rev. 04-27-19) Description The requirements set forth shall be adhered to in order to meet the applicable materials handling requirements of the NCGO10000 permit. Structural controls installed to manage construction materials stored or used on site shall be shown on the E&SC Plan. Requirements for handling materials on construction sites shall be as follows: Polyacrylamides (PAMS) and Flocculants Polyacrylamides (PAMS) and flocculants shall be stored in leak -proof containers that are kept under storm -resistant cover or surrounded by secondary containment structures designed to protect adjacent surface waters. PAMS or other flocculants used shall be selected from the NC DWR List of Approved PAMS/Flocculants The concentration of PAMS and other flocculants used shall not exceed those specified in the NC DWR List of Approved PAMS/Flocculants and in accordance with the manufacturer's instructions. The NC DWR List of Approved PAMS/Flocculants is available at: 45 16-33 hlt 2s:Hfiles.nc. gov/ncdeq/Water%20Qualiiy/Environmental%20Sciences/ATU/ApprovedPAMS4_ 1 2017.pdf Equipment Fluids Fuels, lubricants, coolants, and hydraulic fluids, and other petroleum products shall be handled and disposed of in a manner so as not to enter surface or ground waters and in accordance with applicable state and federal regulations. Equipment used on the site must be operated and maintained properly to prevent discharge of fluids. Equipment, vehicle, and other wash waters shall not be discharged into E&SC basins or other E&SC devices. Alternative controls should be provided such that there is no discharge of soaps, solvents, or detergents. Waste Materials Construction materials and land clearing waste shall be disposed of in accordance with North Carolina General Statutes, Chapter 130A, Article 9 - Solid Waste Management, and rules governing the disposal of solid waste (15A NCAC 1313). Areas dedicated for managing construction material and land clearing waste shall be at least 50 feet away from storm drain inlets and surface waters unless it can be shown that no other alternatives are reasonably available. Paint and other liquid construction material waste shall not be dumped into storm drains. Paint and other liquid construction waste washouts should be located at least 50 away from storm drain inlets unless there is no alternative. Other options are to install lined washouts or use portable, removable bags or bins. Hazardous or toxic waste shall be managed in accordance with the federal Resource Conservation and Recovery Act (RCRA) and NC Hazardous Waste Rules at 15A NCAC, Subchapter 13A. Litter and sanitary waste shall be managed in a manner to prevent it from entering jurisdictional waters and shall be disposed of offsite. Herbicide, Pesticide, and Rodenticides Herbicide, pesticide, and rodenticides shall be stored and applied in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act, North Carolina Pesticide Law of 1971 and labeling restrictions. Concrete Materials Concrete materials onsite, including excess concrete, must be controlled and managed to avoid contact with surface waters, wetlands or buffers. No concrete or cement slurry shall be discharged from the site. (Note that discharges from onsite concrete plants require coverage under a separate NPDES permit — NCG140000.) Concrete wash water shall be managed in accordance with the Concrete Washout Structure provision. Concrete slurry shall be managed and disposed of in accordance with NCDOT DGS and HOS DCAR Distribution of Class A Residuals Statewide (Permit No. WQ0035749). Any hardened concrete residue will be disposed of, or recycled on site, in accordance with state solid waste regulations. Earthen Material Stock Piles Earthen material stock piles shall be located at least 50 feet away from storm drain inlets and surface waters unless it can be shown that no other alternatives are reasonably available. 16-34 46 Measurement and Payment Conditions set within the Construction Materials Management provision are incidental to the project for which no direct compensation will be made. ENVIRONMENTALLY SENSITIVE AREAS: Description This project is located in an Environmentally Sensitive Area. This designation requires special procedures to be used for clearing and grubbing, temporary stream crossings, and grading operations within the Environmentally Sensitive Areas identified on the plans and as designated by the Engineer. This also requires special procedures to be used for seeding and mulching and staged seeding within the project. The Environmentally Sensitive Area shall be defined as a 50-foot buffer zone on both sides of the stream or depression measured from top of streambank or center of depression. Construction Methods (A) Clearing and Grubbing In areas identified as Environmentally Sensitive Areas, the Contractor may perform clearing operations, but not grubbing operations until immediately prior to beginning grading operations as described in Article 200-1 of the Standard Specifications. Only clearing operations (not grubbing) shall be allowed in this buffer zone until immediately prior to beginning grading operations. Erosion control devices shall be installed immediately following the clearing operation. (B) Grading Once grading operations begin in identified Environmentally Sensitive Areas, work shall progress in a continuous manner until complete. All construction within these areas shall progress in a continuous manner such that each phase is complete and areas are permanently stabilized prior to beginning of next phase. Failure on the part of the Contractor to complete any phase of construction in a continuous manner in Environmentally Sensitive Areas will be just cause for the Engineer to direct the suspension of work in accordance with Article 108-7 of the Standard Specifications. (C) Temporary Stream Crossings Any crossing of streams within the limits of this project shall be accomplished in accordance with the requirements of Subarticle 107-12 of the Standard Specifications. 47 16-35 (D) Seeding and Mulching Seeding and mulching shall be performed in accordance with Section 1660 of the Standard Specifications and vegetative cover sufficient to restrain erosion shall be installed immediately following grade establishment. Seeding and mulching shall be performed on the areas disturbed by construction immediately following final grade establishment. No appreciable time shall lapse into the contract time without stabilization of slopes, ditches and other areas within the Environmentally Sensitive Areas. (E) Stage Seeding The work covered by this section shall consist of the establishment of a vegetative cover on cut and fill slopes as grading progresses. Seeding and mulching shall be done in stages on cut and fill slopes that are greater than 20 feet in height measured along the slope, or greater than 2 acres in area. Each stage shall not exceed the limits stated above. Additional payments will not be made for the requirements of this section, as the cost for this work shall be included in the contract unit prices for the work involved. MINIMIZE REMOVAL OF VEGETATION: The Contractor shall minimize removal of vegetation within project limits to the maximum extent practicable. Vegetation along stream banks and adjacent to other jurisdictional resources outside the construction limits shall only be removed upon approval of Engineer. No additional payment will be made for this minimization work. REFORESTATION: Description Reforestation will be planted within interchanges and along the outside borders of the road, and in other areas as directed. Reforestation is not shown on the plan sheets. See the Reforestation Detail Sheet. All non -maintained riparian buffers impacted by the placement of temporary fill or clearing activities shall be restored to the preconstruction contours and revegetated with native woody species. The entire Reforestation operation shall comply with the requirements of Section 1670 of the Standard Specifications. 16-36 48 Materials Reforestation shall be bare root seedlings 12"-18" tall. Construction Methods Reforestation shall be planted as soon as practical following permanent Seeding and Mulching. The seedlings shall be planted in a 16-foot wide swath adjacent to mowing pattern line, or as directed. Root dip: The roots of reforestation seedlings shall be coated with a slurry of water, and either a fine clay (kaolin) or a superabsorbent that is designated as a bare root dip. The type, mixture ratio, method of application, and the time of application shall be submitted to the Engineer for approval. With the approval of the Engineer, seedlings may be coated before delivery to the job or at the time of planting, but at no time shall the roots of the seedlings be allowed to dry out. The roots shall be moistened immediately prior to planting. Seasonal Limitations: Reforestation shall be planted from November 15 through March 15. Measurement and Payment Reforestation will be measured and paid for in accordance with Article 1670-17 of the Standard Specifications. RESPONSE FOR EROSION CONTROL: Description Furnish the labor, materials, tools and equipment necessary to move personnel, equipment, and supplies to the project necessary for the pursuit of any or all of the following work as shown herein, by an approved subcontractor. Section Erosion Control Item Unit 1605 Temporary Silt Fence LF 1606 Special Sediment Control Fence LF/TON 1615 Temporary Mulching ACR 1620 Seed - Temporary Seeding LB 1620 Fertilizer - Temporary Seeding TN 1631 Matting for Erosion Control SY SP Coir Fiber Mat SY 49 16-37 1640 Coir Fiber Baffles LF SP Permanent Soil Reinforcement Mat SY 1660 Seeding and Mulching ACR 1661 Seed - Repair Seeding LB 1661 Fertilizer - Repair Seeding TON 1662 Seed - Supplemental Seeding LB 1665 Fertilizer Topdressing TON SP Safety/Highly Visible Fencing LF SP Response for Erosion Control EA Construction Methods Provide an approved subcontractor who performs an erosion control action as described in the NPDES Inspection Form SPPP30. Each erosion control action may include one or more of the above work items. Measurement and Payment Response for Erosion Control will be measured and paid for by counting the actual number of times the subcontractor moves onto the project, including borrow and waste sites, and satisfactorily completes an erosion control action described in Form 1675. The provisions of Article 104-5 of the Standard Specifications will not apply to this item of work. Payment will be made under: Pay Item Pay Unit Response for Erosion Control Each SAFETY FENCE AND JURISDICTIONAL FLAGGING: Description Safety Fence shall consist of furnishing materials, installing and maintaining polyethylene or polypropylene fence along the outside riparian buffer, wetland, or water boundary, or other boundaries located within the construction corridor to mark the areas that have been approved to infringe within the buffer, wetland, endangered vegetation, culturally sensitive areas or water. The fence shall be installed prior to any land disturbing activities. Interior boundaries for jurisdictional areas noted above shall be delineated by stakes and highly visible flagging. 16-38 50 Jurisdictional boundaries at staging areas, waste sites, or borrow pits, whether considered outside or interior boundaries shall be delineated by stakes and highly visible flagging. Materials (A) Safety Fencing Polyethylene or polypropylene fence shall be a highly visible preconstructed safety fence approved by the Engineer. The fence material shall have an ultraviolet coating. Either wood posts or steel posts may be used. Wood posts shall be hardwood with a wedge or pencil tip at one end, and shall be at least 5 ft. in length with a minimum nominal 2" x 2" cross section. Steel posts shall be at least 5 ft. in length, and have a minimum weight of 0.85 lb/ft of length. (B) Boundary Flagging Wooden stakes shall be 4 feet in length with a minimum nominal 3/4" x 1-3/4" cross section. The flagging shall be at least 1" in width. The flagging material shall be vinyl and shall be orange in color and highly visible. Construction Methods No additional clearing and grubbing is anticipated for the installation of this fence. The fence shall be erected to conform to the general contour of the ground. (A) Safety Fencing Posts shall be set at a maximum spacing of 10 ft., maintained in a vertical position and hand set or set with a post driver. Posts shall be installed a minimum of 2 ft. into the ground. If hand set, all backfill material shall be thoroughly tamped. Wood posts may be sharpened to a dull point if power driven. Posts damaged by power driving shall be removed and replaced prior to final acceptance. The tops of all wood posts shall be cut at a 30-degree angle. The wood posts may, at the option of the Contractor, be cut at this angle either before or after the posts are erected. The fence geotextile shall be attached to the wood posts with one 2" galvanized wire staple across each cable or to the steel posts with wire or other acceptable means. Place construction stakes to establish the location of the safety fence in accordance with Article 105-9 or Article 801-1 of the Standard Specifications. No direct pay will be made for the staking of the safety fence. All stakeouts for safety fence shall be considered incidental to the work being paid for as "Construction Surveying", except that where there is no pay item for construction surveying, all safety fence stakeout will be performed by state forces. 51 16-39 The Contractor shall be required to maintain the safety fence in a satisfactory condition for the duration of the project as determined by the Engineer. (B) Boundary Flagging Boundary flagging delineation of interior boundaries shall consist of wooden stakes on 25 feet maximum intervals with highly visible orange flagging attached. Stakes shall be installed a minimum of 6" into the ground. Interior boundaries may be staked on a tangent that runs parallel to buffer but must not encroach on the buffer at any location. Interior boundaries of hand clearing shall be identified with a different colored flagging to distinguish it from mechanized clearing. Boundary flagging delineation of interior boundaries will be placed in accordance with Article 105-9 or Article 801-1 of the Standard Specifications. No direct pay will be made for delineation of the interior boundaries. This delineation will be considered incidental to the work being paid for as Construction Surveying, except that where there is no pay item or construction surveying the cost of boundary flagging delineation shall be included in the unit prices bid for the various items in the contract. Installation for delineation of all jurisdictional boundaries at staging areas, waste sites, or borrow pits shall consist of wooden stakes on 25 feet maximum intervals with highly visible orange flagging attached. Stakes shall be installed a minimum of 6" into the ground. Additional flagging may be placed on overhanging vegetation to enhance visibility but does not substitute for installation of stakes. Installation of boundary flagging for delineation of all jurisdictional boundaries at staging areas, waste sites, or borrow pits shall be performed in accordance with Subarticle 230- 4(B)(5) or Subarticle 802-2(F) of the Standard Specifications. No direct pay will be made for this delineation, as the cost of same shall be included in the unit prices bid for the various items in the contract. The Contractor shall be required to maintain alternative stakes and highly visible flagging in a satisfactory condition for the duration of the project as determined by the Engineer. Measurement and Payment Safety Fence will be measured and paid as the actual number of linear feet of polyethylene or polypropylene fence installed in place and accepted. Such payment will be full compensation including but not limited to furnishing and installing fence geotextile with necessary posts and post bracing, staples, tie wires, tools, equipment and incidentals necessary to complete this work. Payment will be made under: Pay Item Safety Fence Pay Unit Linear Foot 16-40 52 STOCKPILE AREAS: The Contractor shall install and maintain erosion control devices sufficient to contain sediment around any erodible material stockpile areas as directed. ACCESS AND HAUL ROADS: At the end of each working day, the Contractor shall install or re-establish temporary diversions or earth berms across access/haul roads to direct runoff into sediment devices. Silt fence sections that are temporarily removed shall be reinstalled across access/haul roads at the end of each working day. TEMPORARY ROCK SILT CHECK TYPE A WITH EXCELSIOR MATTING AND POLYACRYLAMIDE (PAM): Description Temporary Rock Silt Checks Type A with Excelsior Matting and Polyacrylamide (PAM) are devices utilized in temporary and permanent ditches to reduce runoff velocity and incorporate PAM into the construction runoff to increase settling of sediment particles and reduce turbidity of runoff. Temporary Rock Silt Checks Type A with Excelsior Matting and PAM are to be placed at locations shown on the plans or as directed. Installation shall follow the detail provided in the plans and as directed. Work includes furnishing materials, installation of Temporary Rock Silt Checks Type A, matting installation, PAM application, and removing Temporary Rock Silt Checks Type A with Excelsior Matting and PAM. Materials Structural stone shall be class B stone that meets the requirements of Section 1042 of the Standard Specifications for Stone for Erosion Control, Class B. Sediment control stone shall be #5 or #57 stone, which meets the requirements of Section 1005 of the Standard Specifications for these stone sizes. Matting shall meet the requirements of Excelsior Matting in Subarticle 1060-8(B) of the Standard Specifications, or shall meet specifications provided elsewhere in this contract. Polyacrylamide (PAM) shall be applied in powder form and shall be anionic or neutrally charged. Soil samples shall be obtained in areas where the Temporary Rock Silt Checks Type A with Excelsior Matting and PAM will be placed, and from offsite material used to construct the roadway, and analyzed for the appropriate PAM flocculant to be utilized with each Temporary Rock Silt Check Type A. The PAM product used shall be listed on the North Carolina Department of Environmental Quality Division of Water Resources web site as an approved PAM product for use in North Carolina. 53 16-41 Construction Methods Temporary Rock Silt Checks Type A shall be installed in accordance with Subarticle 1633-3(A) of the Standard Specifications, Roadway Standard Drawing No. 1633.01 and the detail provided in the plans. Installation of matting shall be in accordance with the detail provided in the plans, and anchored by placing Class B stone on top of the matting at the upper and lower ends. Apply PAM at a rate of 4 ounces over the center portion of the Temporary Rock Silt Checks Type A and matting where the water is going to flow over. PAM applications shall be done during construction activities and after every rainfall event that is equal to or exceeds 0.50 in. The Contractor shall maintain the Temporary Rock Silt Checks Type A with Excelsior Matting and PAM until the project is accepted or until the Temporary Rock Silt Checks Type A with Excelsior Matting and PAM are removed, and shall remove and dispose of silt accumulations at the Temporary Rock Silt Checks Type A with Excelsior Matting and PAM when so directed in accordance with the requirements of Section 1630 of the Standard Specifications. Measurement and Payment Temporary Rock Silt Checks Type A will be measured and paid for in accordance with Article 1633-5 of the Standard Specifications, or in accordance with specifications provided elsewhere in this contract. Matting will be measured and paid for in accordance with Article 1631-4 of the Standard Specifications, or in accordance with specifications provided elsewhere in this contract. Polyacrylamide(PAM) will be measured and paid for by the actual weight in pounds of PAM applied to the Temporary Rock Silt Checks Type A. Such price and payment will be full compensation for all work covered by this section, including, but not limited to, furnishing all materials, labor, equipment and incidentals necessary to apply the Polyacrylamide(PAM). Payment will be made under: Pay Item Polyacrylamide(PAM) WASTE AND BORROW SOURCES: Pay Unit Pound Payment for temporary erosion control measures, except those made necessary by the Contractor's own negligence or for his own convenience, will be paid for at the appropriate contract unit price for the devices or measures utilized in borrow sources and waste areas. No additional payment will be made for erosion control devices or permanent seeding and 16-42 54 mulching in any commercial borrow or waste pit. All erosion and sediment control practices that may be required on a commercial borrow or waste site will be done at the Contractor's expense. All offsite Staging Areas, Borrow and Waste sites shall be in accordance with "Borrow and Waste Site Reclamation Procedures for Contracted Projects" located at: https://connect.ncdot. gov/resources/roadside/FieldOperationsDocuments/ContractedRecla mationProcedures.pdf All forms and documents referenced in the `Borrow Procedures for Contracted Projects" shall be included offsite staging areas, and borrow and waste sites. WATTLES WITH POLYACRYLAMIDE (PAM): Description and Waste Site Reclamation with the reclamation plans for Wattles are tubular products consisting of excelsior fibers encased in synthetic netting. Wattles are used on slopes or channels to intercept runoff and act as a velocity break. Wattles are to be placed at locations shown on the plans or as directed. Installation shall follow the detail provided in the plans and as directed. Work includes furnishing materials, installation of wattles, matting installation, PAM application, and removing wattles. Materials Wattle shall meet the following specifications: 100% Curled Wood (Excelsior) Fibers Minimum Diameter 12 in. Minimum Density 2.5 lb/ft3 +/- 10% Net Material Synthetic Net Openings 1 in. x 1 in. Net Configuration Totally Encased Minimum Weight 20 lb. +/- 10% per 10 ft. length Anchors: Stakes shall be used as anchors. Wooden Stakes: Provide hardwood stakes a minimum of 2-ft. long with a 2 in. x 2 in. nominal square cross section. One end of the stake must be sharpened or beveled to facilitate driving down into the underlying soil. 55 16-43 Matting shall meet the requirements of Article 1060-8 of the Standard Specifications, or shall meet specifications provided elsewhere in this contract. Provide staples made of 0.125" diameter new steel wire formed into a u shape not less than 12" in length with a throat of 1" in width. Polyacrylamide (PAM) shall be applied in powder form and shall be anionic or neutrally charged. Soil samples shall be obtained in areas where the wattles will be placed, and from offsite material used to construct the roadway, and analyzed for the appropriate PAM flocculant to be utilized with each wattle. The PAM product used shall be listed on the North Carolina Department of Environmental Quality Division of Water Resources web site as an approved PAM product for use in North Carolina. Construction Methods Wattles shall be secured to the soil by wire staples approximately every 1 linear foot and at the end of each section of wattle. A minimum of 4 stakes shall be installed on the downstream side of the wattle with a maximum spacing of 2 linear feet along the wattle, and according to the detail. Install a minimum of 2 stakes on the upstream side of the wattle according to the detail provided in the plans. Stakes shall be driven into the ground a minimum of 10 in. with no more than 2 in. projecting from the top of the wattle. Drive stakes at an angle according to the detail provided in the plans. Only install wattle(s) to a height in ditch so flow will not wash around wattle and scour ditch slopes and according to the detail provided in the plans and as directed. Overlap adjoining sections of wattles a minimum of 6 in. Installation of matting shall be in accordance with the detail provided in the plans, and in accordance with Article 1631-3 of the Standard Specifications, or in accordance with specifications provided elsewhere in this contract. Apply PAM over the lower center portion of the wattle where the water is going to flow over at a rate of 2 ounces per wattle, and 1 ounce of PAM on matting on each side of the wattle. PAM applications shall be done during construction activities after every rainfall event that is equal to or exceeds 0.50 in. The Contractor shall maintain the wattles until the project is accepted or until the wattles are removed, and shall remove and dispose of silt accumulations at the wattles when so directed in accordance with the requirements of Section 1630 of the Standard Specifications. Measurement and Payment Wattles will be measured and paid for by the actual number of linear feet of wattles which are installed and accepted. Such price and payment will be full 16-44 56 compensation for all work covered by this section, including, but not limited to, furnishing all materials, labor, equipment and incidentals necessary to install the Wattles. Matting will be measured and paid for in accordance with Article 1631-4 of the Standard Specifications, or in accordance with specifications provided elsewhere in this contract. Polyacrylamide(PAM) will be measured and paid for by the actual weight in pounds of PAM applied to the wattles. Such price and payment will be full compensation for all work covered by this section, including, but not limited to, furnishing all materials, labor, equipment and incidentals necessary to apply the Polyacrylamide(PAM). Payment will be made under: Pay Item Polyacrylamide(PAM) Wattle Pay Unit Pound Linear Foot 57 16-45 EROSION and SEDIMENTATION CONTROL PLAN PRELIMINARY REVIEW CHECKLIST The following items shall be incorporated with respect to specific site conditions, in an erosion & sedimentation control plan: NPDES Construction Stormwater General Permit NCG010000 X Designation on the plans where the 7 or 14 day ground stabilization requirements apply per Part II.E.1 of the permit. N/A Design of basins with one acre or more of drainage area for surface withdrawal as per Part II.B.8 of the permit. LOCATION INFORMATION X Project location & labeled vicinity map (roads, streets, landmarks) X North arrow and scale X Identify River Basin. X Provide a copy of site located on applicable USGS quadrangle and NRCS Soils maps if it is in a River Basin with Riparian Buffer requirements. GENERAL SITE FEATURES (Plan elements) X Property lines & ownership ID for adjoining properties X Existing contours (topographic lines) No_ Proposed contours X Limits of disturbed area (provide acreage total, delineate limits, and label). Be sure to include all access to measures, lots that will be disturbed, and utilities that may extend offsite. X Planned and existing building locations and elevations X Planned & existing road locations & elevations, including temporary access roads X Lot and/or building numbers X Hydrogeologic features: rock outcrops, seeps, springs, wetland and their limits, streams, lakes, ponds, dams, etc. (include all required local or state buffer zones and any DWQ Riparian Buffer determinations) X Easements and drainageways, particularly required for offsite affected areas. Include copies of any recorded easements and/or agreements with adjoining property owners. N/A_ Profiles of streets, utilities, ditch lines, etc. X Stockpiled topsoil or subsoil locations X If the same person conducts the land -disturbing activity & any related borrow or waste activity, the related borrow or waste activity shall constitute part of the land -disturbing activity unless the borrow or waste activity is regulated under the Mining Act of 1971, or is a landfill regulated by the Division of Waste Management. If the land -disturbing activity and any related borrow or waste activity are not conducted by the same person, they shall be considered separate land -disturbing activities and must be permitted either through the Sedimentation Pollution Control Act as a one -use borrow site or through the Mining Act. N/A Location and details associated with any onsite stone crushing or other processing of material excavated. If the affected area associated with excavation, processing, stockpiles and transport of such materials will comprise 1 or more acres, and materials will be leaving the development tract, a mining permit will be required. X Required Army Corps 404 permit and Water Quality 401 certification (e.g. stream disturbances over 150 linear feet) EROSION & SEDIMENT CONTROL MEASURES (on plan) X Legend (provide appropriate symbols for all measures and reference them to the construction details) X Location of temporary measures X Location of permanent measures X Construction drawings and details for temporary and permanent measures. Show measures to scale on plan and include proposed contours where necessary. Ensure design storage requirements are maintained through all phases of construction. X Maintenance requirements for measures X Contact person responsible for maintenance SITE DRAINAGE FEATURES X Existing and planned drainage patterns (include off -site areas that drain through project and address temporary and permanent conveyance of stormwater over graded slopes) X Method used to determine acreage of land being disturbed and drainage areas to all proposed measures (e.g. delineation map) N/A Size, pipe material and location of culverts and sewers X Soil information: type, special characteristics X Soil information below culvert storm outlets 58 N/A_ Name and classification of receiving water course or name of municipal operator (only where stormwater discharges are to occur) STORMWATER CALCULATIONS N/A_ Pre -construction runoff calculations for each outlet from the site (at peak discharge points). Be sure to provide all supporting data for the computation methods used (rainfall data for required storm events, time of concentration/storm duration, and runoff coefficients). N/A_ Design calculations for peak discharges of runoff (including the construction phase & the final runoff coefficients for the site) N/A_ Design calcs for culverts and storm sewers (include HW, TW and outlet velocities) N/A_ Discharge and velocity calculations for open channel and ditch flows (easement & rights -of -way) N/A_ Design calcs for cross sections and method of stabilization for existing and planned channels (include temporary linings). Include appropriate permissible velocity and/or shear stress data. N/A_ Design calcs and construction details for energy dissipaters below culvert and storm sewer outlets (include stone/material specs & apron dimensions). Avoid discharges on fill slopes. N/A_ Design calcs and dimension of sediment basins (note current surface area and dewatering standards as well as diversion of runoff to the basins). Be sure that all surface drains, including ditches and berms, will have positive drainage to the basins. VEGETATIVE STABILIZATION X Area & acreage to be stabilized with vegetation X Method of soil preparation X Seed type & rates (temporary & permanent) X Fertilizer type and rates X Mulch type and rates (include mulch anchoring methods) NOTE: Plan should include provisions for groundcover in accordance with NPDES Construction Stormwater General Permit NCG010000. FINANCIAL RESPONSIBILITY/OWNERSHIP FORM X Completed, signed & notarized FR/O Form X Accurate application fee payable to NCDEQ ($65.00 per acre rounded up the next acre with no ceiling amount) X Certificate of assumed name, if the owner is a partnership X Name of Registered Agent (if applicable) X Copy of the most current Deed for the site. Please make sure the deed(s) and ownership information are consistent between the plan sheets, local records and this form. X Provide latitude & longitude (in decimal degrees) at the project entrance. X Two hard -copies of the plans (some regional offices require additional plans or multiple sizes; please contact the regional coordinator prior to such submittal.) NOTE: For the Express Permitting Option, inquire at the local Regional Office for availability. Express Reviews are performed by appointment only. NARRATIVE AND CONSTRUCTION SEQUENCE X Narrative describing the nature & purpose of the construction activity. X Construction sequence related to erosion and sediment control (including installation of critical measures prior to the initiation of the land -disturbing activity & removal of measures after areas they serve are permanently stabilized). Address all phases of construction and necessary practices associated with temporary stream bypasses and/or crossings. 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GUY WIRE Q LIGHTPOLE - CULVERT ❑ CATCHBASIN A ROCK CHECK DAM _ NEUSE RIVER BUFFER ZONE 1 _ NEUSE RIVER BUFFER ZONE 2 10 LAT/LONG POINTS ALONG PERMIT BOUNDARY )( PROPOSED PERIMETER SECURITY FENCE ® FENCE CONSTRUCTION ZONE PROPOSED VISUAL/NOISE BARRIER WALL NOTES: Accuracy Specifications 1) Contours - Ninety (90) percent of the elevations determined from the solid line contours of this topographic map has an accuracy with respect to true elevation of one-half (1 /2) contour interval or better and the remaining ten (1 0) percent of such elevations are not in error by more than one contour interval. In densely wooded areas where heavy brush or tree cover fully obscures the ground and the contours are shown as dashed lines, they have been plotted as accurately as possible from the stereoscopic model, while making full use of spot elevations obtained during ground control surveys and all spot elevations measured photogrammettically in places where the ground is visible. 2) This map was compiled by Garland Photogrammetric Services, L.L.C. using photogrammetric methods. Contours portrayed as dashed or broken lines represent areas of dense vegetation and should be considered approximate. This map has not been field verified. Prior to use as a basis for design / construction, it should be field verified. 3) Buildings are shown roofline only. N 0 150 300 1 1 1 1 1 1 Feet SCALE: 1" = 150' COMPILED BY PHOTOGRAMMETRIC METHODS 15 WAKE STONE CORPORATION Wake Stone Corporation Triangle Quarry Wake County Mining Permit No. 92-10 Site Plan Map 2020 Mining Permit Modification (Adding RDU Mineral Lease) Last Revised: August 4, 2021 DATE OF PHOTOGRAPHY: 03-17-2019 REVISION No.: 4 Map Prepared by: L. Cole Atkins, Geologist SHEET No.: 3 of 13 2065000.0000 \ \\\ \\� - �� /ill 1 l l r/ \ -- --V / / -l� / / �\� I I \\ \ \\\ \�\���% / //"�� �13a/ I 3 \�' l f %/� �' � %�j�.� ��✓/%/fir, 11 p� l � o Reservoir �1� a j ; ; 11)� / / / / /� CD �;Ez\�--� - %l /�� i I _ r.// 4 �\//// I� W.E. 330.8 J' ,) zm'// i // : r / / / -ill � 1 , N\\\��\ ��` \\ \ ''') v/ /�� ( = // ✓, � � \ ,ram 1 rf I % i� - \� ( �/ / 1 �� / o \\ \\�/ ���\ \ \\ \\ >� /��� . �I �140�1 �` , \\ f / / f - �� / o 1 �1(1 I � I j%///� _��\ t 3 3 0 . � 1 �)� \\\\\\ �\ \\\ \�\\ ��/i �&"�'\ \ \�� \�q f �1�� �/� % �-\ \� I I -\�� l / / < /�\ _r���� =. �� \ �\ �� � �/ /1 C � I 1 � �IIIII -�I - C / 1 Affected Areas as of 02/04/2011 Land Use Classes Acreage of Affected Area Currently Active Pit Area 90.25 Acres +/- Plant/Stockpiles/Office Areas 57.0 Acres +/- Vegetated Earthen Berms 17.2 Acres +/- Total Affected Area 164.45 Acres Permitted Acreage 223.0 Acres +/- Proposed Affected Areas for Permit Modification Land Use Classes Acreage of Affected Area Proposed Pit Area (Active Pit) 93.16 Acres +/- Proposed Pit Area (New Pit) 55.0 Acres +/- Plant/Stockpiles/Office Areas 57.0 Acres +/- Wall Construction/E&SC/Access Road 3.6 Acres +/- Existing Vegetated Earthen Berms 17.2 Acres +/- Total Affected Area 226.0 Acres +/- Permitted Acreage 329.0 Acres +/- Special Land Use* Fence Construction Area 0.613 Acres +/- ' Minimal tree removal. stumps to remain or be ground in place 2065500.0000 2066 \ �� 1 8 \\\\\�\ \\ = %/%%////j/j jj��� �'\\\\\��\, \ \\\1 \o✓ �� // / �i / I / d po mg Plant \ \ m I I \ �I \��\� \� , �� \\ /� / /��\\ ��\\\\\ \ \ �/� // %/ / onday C her 1r \ �i/ ll / \\ / \� \ :11\ /// / 1 / rirn Se 1 \ \ \ "\ 'S �_�> // / %\\\ \ \\� 6 0\\✓/�� c.'////j/ // �� �/ r ! /r % � j/ Adrf ns, and O e an % s I, 1 � , .N \ \ \ T =- �)�(� ",� = �� ���/ �'2\ ���� \ \ % ��\'� /�// \�// / `� �// ! / " r / -�/ �/% ales Facili 1 f \ I v� / , \ �\\\\\\\ \ ,A / // / , �' / / __ // la Area 57.0 c es + /, a '� \ / \ \\\��\\ \� I \ ../ �l//�/ ��.� �' /�//Gib �i� i �' // \� I o0P . �� 11 �7���%/�i� �o\\\�� , �� \ 1\ �%%ice �,�� ���,� �`� ���/��� I �I 11 1 I ) \ \\ \� \ /ll ////�j \\�\o�\ \�� �� �\ 1� �.s / �/ /r ��rr� r,• ��� %�� >� ( III I J>>> Jl > >J \ � / o ,\\ \ Crus e -�� / /l,, / / /// � \ i I I 11 �t / / i Denotes Property B nd \\ 11�\ \ EXISTING ASIN �� \\ �� �)� 1� (I (001100K "\ (� /` l \ lam/ /�/ La(W�l� %�% „>G- ���/ 0 \ d5/ I 00 I I I / / e e otes ope ty ou rYI ( \ \\\ - \� ,\ \ �� //i �� ,-. �// E. �, I _ I (/ SDO-6 E -2 \, \� u J ti CD 0 istin Mining Permit Bound \ \ \\\\ .( �(( \ l \ \ ��\ \ `J -�° �-=ei \� % � � r// .� / �� ��� % I I � I I CD I I g g \\\\\\ I 1 // /// , > \ ��_��_ �\���\\�\\ < �/ \ �� I \�,\ �� IIII I I ))Iwo 1 I 1 1 J \�\�JII III I I ll , ���� \ \\ \�` \\\\\\ \\ I ell. 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WATER ELEVATION, (MSL) 16.4 \\\\\�����\�\\��\�\���������-�bt�re��r—,�,���I1I12�//�,-2a1«l//�s��,25.ESTIMATED \\\\\\��`\\\\\\\\\1\�\\�\\\\\//fIIIN�I�J/1R'j \\\\\\ ( \ \\ � \ \ ' � \\ \\\\ � \ \\\ � _\ � �\ ` ` ' \ At � / // Il I / � lt/v"' I�Existing �����\����.\\\\\���\�_�`�,��\,//1I�III��I�-II — )1 � I 2 / I�"�\V\���j//`�//�����..eWELL i /// f --- (VARIOUS TYPES) o UTILITY POLE ,�\\\��-��J\\�\\����-��_���\�_��-/�Jl����1)�1_>111/�,�/��/--.�\\\-//\J\\\�—_��,�—������)�/ /I \\ � -� / \ \ \ \ \\\ \ \\ ` � ` /�//j��\//)�,�I,J ��� / � I / l l 1 C \ �� IIII 1/��/ � ������ �) / V // \ / � 41-' ^�-����/ _ �--�� Demonstration of Proiect Purpose, Need, and Minimization of Impacts Pursuant to 15A NCAC 02B .0714 (11)(c)(ii), bridges that impact portions of the Neuse River Riparian buffers are "Allowable upon Authorization" by the North Carolina Division of Water Resources (DWR). An applicant who wishes to undertake uses that will impact the Neuse River riparian buffers must apply to DWR requesting an Authorization Certificate. The application must provide certain information explicitly described in 15A NCAC 02B .0611, including a demonstration that the project meets the following criteria: (A) The basic project purpose cannot be practically accomplished in a manner that would avoid or better minimize disturbance, preserve aquatic life and habitat, and protect water quality. (B) The use cannot practically be reduced in size or density, reconfigured, or redesigned to better minimize disturbance, preserve aquatic life and habitat, and protect water quality; and (C) Best management practices shall be used to minimize disturbance, preserve aquatic life and habitat, and protect water quality. The following narrative dissertation and exhibits provides a description of the project and Wake Stone Corporation's justification for requesting a Neuse River Buffer Authorization Certificate. Project Information and Prior Project History On April 7, 2020, Wake Stone Corporation (WSC) made application for authorization of impacts to the Neuse River Riparian Buffer under the provisions of 15A NCAC 02B .0233. On June 4, 2020, the NC Division of Water Resources issued the requested buffer authorization (DWR#2017-1487v3), conditioned upon receipt of the required modified Mining Permit. The Buffer Authorization was subsequently appealed to the NC Office of Administrative Hearings. The contested case was heard by Michael C. Byrne, Administrative Law Judge on February 17-19, 2021. In his FINAL DECISION (copy attached) issued on September 27, 2021, Judge Byrne REVERSED the agency's issuance of the Buffer Authorization, stating that the agency had failed to document the required finding of facts and had acted erroneously with respect to issuance of the Buffer Authorization. By letter dated October 7, 2021 (copy attached), NCDWR notified WSC of the ALJ's final decision, stating that WSC does not have authorization to impact riparian buffers under the Neuse River Riparian Buffer Rules. Having no other apparent recourse, Wake Stone Corporation is re -applying to the NCDWR, requesting a Buffer Authorization Certificate under the revised Neuse River Riparian Buffer Rules which became effective June 15, 2020 as codified at 15A NCAC 02B .0714. WSC has entered into a Mining Lease agreement with the Raleigh Durham Airport Authority (RDU) for expansion of WSC's Triangle Quarry onto RDU property known as the "Odd Fellows Tract" (105 acres). WSC currently operates the Triangle Quarry on 223 acres located in the northwest quadrant of Interstate Highway 40 (1-40) and North Harrison Avenue north of Cary, North Carolina. The existing quarry site (in continuous operation since 1983) consists of an open pit mine, crushed stone processing plant, stockpile/sales yard areas, and associated ancillary facilities. The quarry site is bounded on the south by 1-40, on the west and north by Crabtree Creek, and on the east by William B. Umstead State Park. Commercial, business, and residential areas are located south of the quarry across 1-40. The undeveloped property controlled by RDU (105-acre Odd Fellows Tract) is located across Crabtree Creek to the west of the Triangle Quarry. The Odd Fellows Tract is currently characterized by mature mixed pine and hardwood forest managed by RDU under their forest management plan, and as determined through exploration drilling conducted by WSC, contains stone reserves suitable for production of crushed stone aggregate products. The only public road access to the Odd Fellows Tract is from Old Reedy Creek Road utilizing the single lane weight limit bridge over Crabtree Creek. The Town of Cary and other interested parties have raised significant opposition to WSC's use of that road for the project. Based upon the limitations of the single lane bridge and opposition to use of Old Reedy Creek Road, the only possible access to the property (for the quarry expansion project) is by building a bridge across Crabtree Creek. The buffer impacts requested under this application are associated with the construction of a proposed bridge across Crabtree Creek. In the absence of any other suitable/practical transportation routes, the proposed bridge will link the quarry expansion site on the RDU Odd Fellows Tract with the existing Triangle Quarry. Proposed Activity The proposed activity (which requires NCDWR authorization for impacts to a portion of the Neuse River Riparian Buffer along Crabtree Creek) is the construction and operation of a bridge across Crabtree Creek. In expanding the Triangle Quarry onto the RDU-controlled Odd Fellows Tract, WSC intends to develop a new mine pit west of Crabtree Creek and will utilize the planned bridge for initial site development, removal of excavated overburden from the property (either to the existing Triangle Quarry pit for storage or trucked out the Harrison Avenue entrance to construction sites), and the transport of raw aggregate reserve materials to the existing Triangle Quarry site for processing and sale. During initial development of the new pit area, the bridge will be utilized for timber removal operations through the existing quarry entrance on North Harrison Avenue and the movement of necessary earthmoving and mining equipment between the existing quarry and the expansion site. Therefore, the purpose of the project (bridge construction) is to provide the access necessary to develop a new mine pit on the Odd Fellows Tract, and following initial site development, provide a means of safe and efficient transport of harvested timber initially, then overburden and mined aggregate reserves to the Triangle Quarry for processing and sale. The proposed bridge provides the only practical alternative for movement of the heavy mine equipment necessary for site development and once mining begins, off -road haulage of overburden and quarry -generated stone and overburden to the existing processing facility. This is because the Odd Fellows Tract is currently accessible only by Old Reedy Creek Road. Old Reedy Creek Road is a narrow two-lane unpaved road (in the portion north of 1-40), which utilizes a single -lane antiquated bridge where it crosses Crabtree Creek south of 1-40. Old Reedy Creek Road is not an acceptable travel way for movement of heavy mining equipment, nor is it suitable, or even conceivable for use in the daily transport of mined aggregate reserves, timber removal, or future off -site transport of overburden/borrow to area construction sites. As noted by Judge Byrne in his findings of fact incorporated into his FINAL DECISION (copy attached), "The evidence showed that there are no practical alternatives to a bridge at the proposed location due to the geographic limitations of the area in question, the lack of existing improved road options, and the existing use of areas otherwise bordering the Odd Fellows Tract (Umstead Park and Interstate 40)." In determining the viability of operating a mine pit on the Odd Fellows Tract, WSC determined that construction of a bridge across Crabtree Creek provides the only practical means of safely and efficiently moving the mined aggregate reserves to the existing quarry site for processing and sale. WSC further recognized that such a bridge would need to be of sufficient design to safely support fully loaded off -road mine haulage units (mine trucks), the largest/heaviest pieces of mine equipment that would use the bridge, and any other mine support equipment. Additionally, WSC determined that as the new pit is being developed, in addition to the off -road mine vehicle usage, the bridge will also be utilized for highway -legal dump trucks transporting overburden materials to local construction sites. From a safety standpoint, the bridge design would also need to incorporate means of separating mine truck usage from highway -legal truck usage. It also must be made wide enough and incorporate guard railing sufficient to prevent spillage of materials into Crabtree Creek. Given these operating scenarios/requirements, WSC contracted with Michael Baker International (MBI), an internationally recognized bridge design firm, to prepare preliminary bridge design plans which met these requirements. With WSC's use of 65-ton capacity off -road haul trucks (which are approximately 20' wide), the need to provide for two-way mine haul truck travel (for safety and production efficiency), two-way highway truck travel during times when the bridge will be used for off -site transport of overburden/borrow, and the necessity for sufficient width to prevent spillage loss into Crabtree Creek, MBI and WSC determined a minimum bridge width of 60' will be required to meet the project purpose. A 60' wide bridge will provide two lanes of travel measuring 27' in width. 27' of width provides the minimum width necessary for safe travel using the 65-ton haul units, and when coupled with poured -in - place concrete guardrails, provides protection against spillage into Crabtree Creek. As previously stated, WSC Triangle Quarry utilizes a fleet of 65-ton capacity haul units. The number of haul trucks in the fleet varies depending upon haul distances and primary crusher production demands. Seven such trucks are currently stationed at the Triangle Quarry with six trucks typically utilized in daily pit operations. During active stone production, these trucks make continuous roundtrips between the blasted rock muck pile in the pit to the primary crusher station. Continuous daily two-way traffic requires dedicated travel lanes of sufficient separation to provide safe traffic flow. For two-way traffic, the Federal Mine Safety and Health Administration (MSHA) recommends a haul road width of 3.5 times the width of the largest haul unit using the roadway. With uses of 65-ton capacity haul trucks, this equates to a MSHA recommended road width of 70 feet. (MSHA Inspector Guide — attached.) WSC further instructed MBI to provide a preliminary design that met the minimum 60' width requirement as well as minimized the resultant buffer impact area and spanned the regulatory floodway (100-year floodway) so that no support structures will be required within the creek and the bridge will not restrict passage of the 100-year flood discharge of the creek. WSC, MBI, and MBI's subcontractor Sungate Environmental examined areas along Crabtree Creek that would be suitable for bridge construction. Constraining factors included existing topography, straight versus crooked runs of the creek, and areas with minimal width of the regulatory. floodway. (Judge Byrne stated in the findings of fact incorporated in his FINAL DECISION "The evidence showed that there are no practical alternatives to a bridge at the proposed location due to the geographic limitations of the area in question...'.) Once a suitable location was determined (straight run with the narrowest regulatory floodway) that met these minimization criteria, Michael Baker prepared preliminary bridge design schematics that incorporate vertical concrete headwalls/abutments placed outside the regulatory, floodway, precast concrete "1" beam trusses, and poured -in -place concrete deck and guardrail systems. The resultant bridge will be 60' wide by just over 100' in length. (See attached bridge plan and profile.) Approaches to the bridge were designed to incorporate vertical concrete retaining walls (again, to minimize buffer impact area and compacted earth fill to bring the approaches to final grade. This design constraint alleviated the need for 2H:1V stabilized fill slopes that would require additional buffer impact area. Trader Construction Company, a bridge construction contractor provided Sungate Environmental with guidance on the minimum extent of areas that would necessarily be disturbed for bridge construction. Sungate incorporated these constraints in their determination of the minimum buffer impact area (see attached buffer impact drawings). In accordance with 15A NCAC 02B .0611 (b) (2) (A), the basic project purpose cannot be practically accomplished in a manner that would avoid or better minimize disturbance, preserve aquatic life and habitat, and protect water quality. Bridge Construction activities will be confined only to the area identified for buffer impact authorization. Typical bridge construction techniques are to be employed. Steel 1-beam pilings will be driven to bedrock refusal, with poured concrete footings and vertical headwalls/end bents supported by these piles. Concrete retaining walls will be constructed for approach areas and compacted fill placed to final lines and grades. Equipment to be used during bridge construction are those types typically used for construction and earthwork (such as excavators, bulldozers, graders, and cranes). There will be NO IMPACTS TO CRABTREE CREEK (temporary or otherwise), no causeway or construction platforms, etc. which are common for many bridge construction projects. Bridge Construction Sequence • Flag clearing limits for bridge approaches, end bents, and wing walls. • Clear and grub flagged area for bridge approaches, end bents, and wing walls. • Install perimeter silt fencing/reinforced silt fencing/silt fence outlets. • Excavate area required for foundations/footings. Remove spoil to suitable storage areas. • Install driven HP 12 X 53 steel piles to refusal. • Install forms for placement of concrete foundations/footings. • Place concrete in foundations. • Remove concrete forms from foundations once cured. • Install forms for placement of concrete in end bents, pour end bents, and strip forms once cured. • Install wing walls. • Backfill approach areas behind end bents and wing walls. • Set precast concrete beams. • Form, pour, and strip concrete bridge deck. • Form, pour, and strip concrete barrier rails and median barrier. • Form, pour, and strip east end and west end approach slabs. • Grade final approaches to provide positive drainage to the depleted Triangle Quarry pit. • Install permanent seeding/establish ground cover (including any required riparian plantings) on disturbed areas (Note: pursuant to 15A NCAC 02B .0714 (11)(g), a one-time fertilizer application at agronomic rates is deemed allowable in the riparian buffer to establish replanted vegetation.) Re -vegetation plantings will incorporate soil fertility tests and nutrient recommendations by the NC Dept. of Agriculture - Agronomic Division. Impact Justification and Mitigation Avoidance and Minimization The proposed bridge design incorporates the minimum width necessary to meet the project purpose. A 60' wide bridge is necessary for safe and efficient two-way mine haul truck travel, and to protect against spillage into Crabtree Creek. The haul units currently employed at the Triangle Quarry measure approximately 20' in width. The current fleet of haul units operate continuously throughout the production day, with loaded trucks moving pit material to the primary crushing station in the existing quarry pit, and then immediately upon dumping of their load, returning empty to the muck pile for another load. To efficiently meet the daily production demands, these trucks must be provided unimpeded travel between the pit production areas and the primary crushing station, and the travel ways (including the proposed bridge) must be of sufficient width and configuration to provide a measure of safety. During peak pit production demand times, 180-220 mine haul truckloads of mined stone are processed through the primary crusher daily, or 360-440 truck trips that would be crossing the bridge. (10 hrs. per day X 60 mins. per hr.) 1440 truck trips per day equates to a truck on the bridge every 1.4 minutes, with loaded and returning empty trucks crossing the bridge simultaneously. (The primary crusher at the Triangle quarry is run at peak production capacity (1,350 tons per hour). At 65 tons per truck, this is approximately 21 full loads per hour, or 42 round trips. In a 10-hour production day, 420 trips across the bridge will occur for daily stone production, not to mention other ancillary uses of the bridge for mine service vehicles and overburden removal. Therefore, two-way unimpeded traffic flow must be provided. A 60' wide bridge meets this requirement. • After initial site development, and for a majority of the life of the mine, overburden will need to be removed from the Odd Fellows site. In addition to customer -driven highway legal dump trucks hauling overburden off -site to construction sites, WSC will utilize heavy mine trucks to transport excess overburden from the Odd Fellows tract to the Triangle Quarry pit for storage. Separation of these customer trucks from the much larger mine haul trucks will be necessary for safety purposes. The bridge is designed such that highway trucks will use a dedicated 27' wide lane for loaded and unloaded trucks (two-way highway legal dump truck traffic simultaneously). A concrete median barrier will separate the two 27' travel way portions of the bridge. Mine haul truck traffic will utilize the other 27' portion for one-way traffic across the bridge. In this scenario, WSC must actively manage the traffic of the mine haul trucks utilizing flagmen. Utilization of only one lane of the bridge is not an optimum scenario for safe mine haul truck production of crushed stone, but it can be managed on a temporary as -needed basis. For most of the time the bridge is utilized, it will provide for two-way haul truck access without the safety concerns of the competing customer truck scenario. This bridge design is the most practical solution to the need of providing safe and efficient travel for highway -legal and mine haul trucks operating simultaneously (See attached bridge traffic scenario exhibits). • Location of the bridge was chosen in a straight run section of Crabtree Creek. This location allows construction of the bridge at a 90-degree angle to the creek, thereby minimizing the area of buffer impact. • Bridge approaches were designed with the minimum turn radius required for safe operator visibility, thereby minimizing the area of buffer utilized. • Compacted fill required to bring the bridge approaches to final lines and grades will be placed between vertical concrete walls. Use of such walls increases project overall costs but minimizes required buffer impact footprint by negating the alternate need for 2H:1V fill slopes. WSC and its contractors have made extensive efforts to minimize the area of impact associated with the bridge construction project. In accordance with 15A NCAC 02B .0611 (b) (2) (B) the use cannot practically be reduced in size, re -configured, or redesigned to better minimize disturbance, preserve aquatic life and habitat, and protect water quality. Avoidance and minimization of proposed impacts through construction techniques During the design phase of the bridge project, WSC and its contractors (MBI, Sungate, and Trader) made concerted effort to devise a bridge design of the minimum size necessary to meet the basis project purpose. Final bridge design incorporates the use of concrete end bents supported by driven steel piles and concrete footers. As previously discussed, these structures will be placed outside the regulatory floodway of Crabtree Creek and will support a system of precast I-beam girders supporting the solid concrete bridge deck. The bridge decking will be installed without through -deck scuppers to prevent stormwater drainage to the underlying Neuse Buffer and Crabtree Creek and will incorporate guardrails to prevent spillage into Crabtree Creek or its riparian buffers. A bridge design of this scope will allow the bridge construction contractor (Trader) to operate completely within the limited buffer impact footprint indicated on the plans. Prior to initiation of bridge construction, the approved limits of disturbance on both sides of Crabtree Creek will be clearly marked, with tree protection fencing installed as necessary. Erosion and Sediment Control Plan dictated silt fencing (with protected outlets) will be installed prior to the clearing and grubbing required for bridge construction. Such structures will be inspected daily and repaired as necessary to prevent any sedimentation or other disturbance beyond the approved disturbance area. Access for equipment utilized during the construction process will be limited to the non -buffer portions of the project area. Cranes, excavators, and other equipment utilized for driven pile installation, foundation footing installation, and construction of the concrete end bents will remain within the approved disturbance area. Cranes utilized for placement of the precast concrete 1-beam trusses will operate only within the bridge approach areas. In accordance with 15A NCAC 02B .0611 (b) (2) (C), these best management practices shall be used to minimize disturbance, preserve aquatic life and habitat, and protect water quality. ROY COOPER Governor MICHAEL S. REGAN Secretary S. DANIEL SMITH Director Wake Stone Corporation Mr. Sam Bratton PO Box 190 6281 Knightdale Blvd Knightdale, NC 27545-0190 NORTH CAROLINA Environmental Quality June 4, 2020 DWR # 2017-1487v3 Wake County Subject: AUTHORIZATION CERTIFICATE PER THE NEUSE RIVER BASIN RIPARIAN BUFFER PROTECTION RULES (15A NCAC 02B .0233) WITH ADDITIONAL CONDITIONS Wake Stone Corporation — Triangle Quarry — Bridge Across Crabtree Creek Dear Mr. Bratton: You have our approval for the impacts listed below for the purpose described in your application dated April 7, 2020 and received by the Division of Water Resources (Division) April 7, 2020. Additional information was requested April 22, 2020 and was received on April 23, 2020. This Authorization Certificate shall expire five (5) years from the date of this letter. These impacts are covered by the Neuse River Basin Riparian Buffer Rules and the conditions listed below. Please note that you should get any other federal, state or local permits before proceeding with your project, including those required by (but not limited to) Sediment and Erosion Control, Non -Discharge, and Water Supply Watershed regulations. This approval requires you to follow the following additional conditions: 1. The following impacts are hereby approved upon issuance of modified Mining Permit 92-10 allowing for mining activities on the "Odd Fellows Tract" property and provided that all of the other specific and general conditions of the Buffer Rules are met. No other impacts are approved, including incidental impacts [15A NCAC 02B .0233(8)]: Type of Impact Amount Approved Amount Approved (units) (units) Permanent Temporary Buffers —Zone 1 Bridge 6,404 (square feet) 0 (square feet) D E Qbi�� North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carolina 27699-1617 vOry rN Cx:40:.itiA � o .—Io E�.w�����a�:r� /� 919.707.9000 Wake Stone Corporation —Triangle Quarry Bridge Across Crabtree Creek DWR # 20171487 v3 Wake County Page 2 of 3 Type of Impact Amount Approved Amount Approved (units) (units) Permanent Temporary Buffers — Zone 2 Bridge 5,645 (square feet) 0 (square feet) 2. Diffuse Flow All stormwater must be directed and maintained as diffuse flow at non -erosive velocities through the protected stream buffers such that it will not re -concentrate before discharging into a stream. [15A NCAC 02B .0233(5)] 3. This approval is for the purpose and design described in your application. The plans and specifications for this project are incorporated by reference as part of the Application. If you change your project, you must notify the Division and you may be required to submit a new application package. If the property is sold, the new owner must be given a copy of this approval letter and is responsible for complying with all conditions. [15A NCAC 02B .0233(8)(b)] This approval and its conditions are final and binding unless contested. [G.S. 143-215.5] This Certification can be contested as provided in General Statute 150B by filing a written petition for an administrative hearing to the Office of Administrative Hearings (hereby known as OAH) within sixty (60) calendar days. A petition form may be obtained from the OAH at http://www.ncoah.com/ or by calling the OAH Clerk's Office at (919) 431-3000 for information. A petition is considered filed when the original and one (1) copy along with any applicable OAH filing fee is received in the OAH during normal office hours (Monday through Friday between 8:OOam and S:OOpm, excluding official state holidays). The petition may be faxed to the OAH at (919) 431-3100, provided the original and one copy of the petition along with any applicable OAH filing fee is received by the OAH within five (5) business days following the faxed transmission. Mailing address for the OAH: If sending via US Postal Service: Office of Administrative Hearings 6714 Mail Service Center Raleigh, NC 27699-6714 Wake Stone Corporation —Triangle Quarry Bridge Across Crabtree Creek DWR # 20171487 v3 Wake County Page 3 of 3 If sending via delivery service (UPS, FedEx, etc): Office of Administrative Hearings 1711 New Hope Church Road Raleigh, NC 27609-6285 One (1) copy of the petition must also be served to Department of Environmental Quality: William F. Lane, General Counsel Department of Environmental Quality 1601 Mail Service Center Raleigh, NC 27699-1601 This letter completes the review of the Division under the Neuse River Basin Riparian Buffer Rules. Please contact Paul Wojoski at 919-707-3631 or Paul.Woloski@ncdenr.gov if you have any questions or concerns. Sincerely, DocuSignn�e/d by: ' GiGt•G N/OiflN�iL 949D91 BA53EF4EO... Paul Wojoski, Supervisor 401 & Buffer Permitting Branch cc: Bob Zarzecki, Soil and Environmental Consultants (via email) Michael Landguth, RDUAA (via email) Judy Wehner, DEMLR (via email) DWR RRO DWR 401 & Buffer Permitting Branch file Filename: 20171487v3WakeStoneBridge(Wake)_NRB FILED OFFICE OF ADMINISTRATIVE HEARINGS 09/27/2021 9:35 AM STATE OF NORTH CAROLINA IN THE OFFICE OF ADMINISTRATIVE HEARINGS COUNTY OF WAKE 20 EHR 03014 The Umstead Coalition Petitioner, V. FINAL DECISION North Carolina Department of Environmental Quality Division of Water Resources Respondent. This contested case was heard by Michael C. Byrne, Administrative Law Judge, at the Office of Administrative Hearings in Raleigh, NC on February 17-19, 2021. APPEARANCES For Petitioner: Shannon M. Arata James L. Conner Calhoun Bhella & Sechrest LLP 4819 Emperor Boulevard, Suite 400 Durham, NC 27703 For Respondent: Francisco Benzoni Special Deputy Attorney General Elly S. Young Assistant Attorney General North Carolina Department of Justice PO Box 629 Raleigh, NC 27602 ISSUES Whether Respondent North Carolina Department of Environmental Quality, Division of Water Resources violated N.C.G.S. 150B-23 by issuing a Buffer Authorization under the Neuse River Basin Riparian Buffer Protection Rules for construction of a bridge over Crabtree Creek located within the creek's riparian buffer area. A B C D E F K L M N Q 2 5 7 12 13 17 18 19 20 21 22 WTTNF.CCF.0 For Petitioner Paul Wojoski Jean Spooner Ronald Sutherland Ervin Portman. For Respondent Paul Wojoski Samuel Bratton. Ti.XNiRiTC Admitted for Petitioner: Buffer Authorization Neuse River Basin Buffer Rules Buffer and Bridge Diagrams & Specifics Erosion & Sediment Control Narrative Erosion & Sediment Control Plan Affidavit of David Penrose Staff Review Form with Additional Information Minutes of the Wake County Commissioners Wake Stone Corporation Presentation to Wake County Commissioners Excerpted Mining Permit Application Paul Wojoski Notes Admitted for Respondent: 2020-04-07 Application for Buffer Authorization 2020-04-22 Additional Information Letter Surrounding Area Maps 2020-04-09 Bob Zarzecki e-mail regarding correct applicant 2020-04-28 Paul Wojoski e-mail response re application correction Buffer Authorizations — combined Bridge Traffic Scenarios 1 & 2 Bridge Visualization NC DEQ Frequently Asked Questions Crusher System Bridge photo from Wake Stone Mining Permit 2 RELEVANT PROCEDURAL HISTORY This contested case was filed on August 30, 2020. On December 29, 2020, the Tribunal denied Respondent's Motion for Summary Judgment. The case was heard on the merits February 17-19, 2021. Several months of delays in getting hearing transcripts from Word Services, Inc., followed. Full transcripts were finally provided in late July 2021. The Tribunal requested proposed decisions. Subsequently the Tribunal requested amended proposed decisions from the parties. Based on the testimony of witnesses, the admitted exhibits, the governing law, and all evidence of record, the Tribunal makes the following: FINDINGS OF FACT 1. This contested case was filed by Petitioner The Umstead Coalition ("Petitioner") in August 2020 challenging Respondent North Carolina Department of Environmental Quality, Division of Water Resources ("Respondent") issuing, on June 4, 2020, an Authorization Certificate under the Neuse River Basin Riparian Buffer Protection Rules ("Buffer Authorization") for construction of a bridge ("Wake Stone Bridge") over Crabtree Creek located within the creek's riparian buffer area. 2. Petitioner is a non-profit membership organization that advocates for preservation of the natural integrity of the William B. Umstead State Park ("Umstead Park"), located in Wake County, North Carolina. While neither Petitioner nor any witness for Petitioner owns land adjacent to Umstead Park, nor property upstream or downstream on Crabtree Creek from the area to be affected by the Buffer Authorization, Petitioner's members regularly make use of Umstead Park and the areas around that area of Crabtree Creek which run through Umstead Park. 3. Respondent is responsible for issuing Buffer Authorizations and, among many other functions, for implementing the Neuse River Basin Riparian Buffer Protection Rules ("buffer rules"). At the relevant time, the buffer rules were codified at 15A N.C.A.C. 02B .0233. 4. There are multiple sets of buffer rules for different watersheds in North Carolina. Crabtree Creek is in the Neuse River Basin, so those rules apply. In the Neuse River Basin, the riparian buffer is a 50-foot-wide area measured on both sides of a stream or stream tributary in a perpendicular fashion from the top of the bank. (Pet. Ex. B). Zone 1 of the buffer is the 30 feet closest to the creek. Zone 2 is the second 20 feet. (1. T. 45-46). 5. A riparian buffer is a vegetated area bordering a body of water. (Res. Ex. 20, p. 5 of 11). Riparian buffers provide a number of functions critical to stream health and water quality, including nutrient removal, temperature regulation of the water bodies, and nutrient and detrital input (organic materials that aquatic life feed on and use for habitat). Riparian buffers also stabilize stream beds and banks and prevent soil erosion or sedimentation of streams and provide a floodplain area for the streams. (1 T. 19-20). The purpose of the buffer rules is to protect water quality by protecting the buffer. Id., see also Pet. Ex. B and 15A NCAC 213 .0233(1) ("The purpose of this Rule shall be to protect and preserve existing riparian buffers in the Neuse River Basin to maintain their nutrient removal functions."). 6. Certain uses of the riparian buffer are permissible under the Buffer Rules. Bridges fall within the category of "allowable uses," uses which "may proceed within the riparian buffer provided that there are "no practical alternatives" to the requested use pursuant to Item (8) of the Buffer Rule: "These uses require written authorization from [DWR] or the delegated local authority." (1 T. 24-25); (Pet. Ex. B). 7. Before issuing a buffer authorization, Respondent must determine whether "no practical alternatives" for locating a project in the buffer exist and "make a finding of fact" as to whether the buffer rules' requirements have been met. The primary relevant rule requires: (8) DETERMINATION OF "NO PRACTICAL ALTERNATIVES." Persons who wish to undertake uses designated as allowable or allowable with mitigation shall submit a request for a "no practical alternatives" determination to the Division or to the delegated local authority. The applicant shall certify that the criteria identified in Sub -Item (8)(a) of this Rule are met. The Division or the delegated local authority shall grant an Authorization Certificate upon a "no practical alternatives" determination. The procedure for making an Authorization Certificate shall be as follows: (a) For any request for an Authorization Certificate, the Division or the delegated local authority shall review the entire project and make a finding of fact as to whether the following requirements have been met in support of a "no practical alternatives" determination: (i) The basic project purpose cannot be practically accomplished in a manner that would better minimize disturbance, preserve aquatic life and habitat, and protect water quality. (ii) The use cannot practically be reduced in size or density, reconfigured or redesigned to better minimize disturbance, preserve aquatic life and habitat, and protect water quality. (iii) Best management practices shall be used if necessary to minimize disturbance, preserve aquatic life and habitat, and protect water quality. 15A NCAC 02B .0233(8)(a) (emphasis supplied). 8. The applicant must certify that the project's impacts cannot be better minimized, and Respondent must make a finding of fact that this certification is correct before issuing a "no practical alternatives" determination. If Respondent does nothing or remains silent for 60 days after receiving an application for a buffer authorization, a finding of "no practical alternatives determination" is automatically presumed pursuant to 8(b) of the buffer rules which provides that "[f]ailure to issue an approval or denial within 60 days .19 shall constitute that the applicant has demonstrated `no practical alternatives. "' 15A NCAC 213.0233 (8)(b)) 9. Thus, Respondent's obligation under the buffer rules was to review the proposed Wake Stone Bridge project and issue an Authorization Certificate for it only after determining that there are "no practical alternatives" to the project. This determination required Respondent to make a finding or findings of fact. 10. The importance of riparian buffers is not in dispute. Witnesses for both Petitioner and Respondent agree that riparian buffers play a critical role in what may be termed the "health" of North Carolina's waterways. It is likewise not in dispute that the riparian buffer provides habitat for numerous vertebrate and invertebrate aquatic species. The buffer also allows for species to travel through the buffer area and access resources not readily available within a limited range or location. 11. A Buffer Authorization does not in itself permit Wake Stone to build the Wake Stone Bridge or to conduct mining or quarrying operations. (2 T. 427). Such activity is conditioned on Respondent allowing a separate permit (or permit modification) to mine or quarry the area affected. 12. The Buffer Authorization for the Wake Stone Bridge was requested by Wake Stone Corporation ("Wake Stone"). 13. For many years, Wake Stone has conducted quarrying operations directly adjacent to Umstead Park via an operation by the name of "Triangle Quarry." The President and CEO of Wake Stone is Samuel Bratton (`Bratton"). Bratton testified at the hearing. 14. The affected area of Crabtree Creek, which is at least 20 feet wide at the point relevant to this case (1 T. 49), divides Wake Stone's Triangle Quarry operation from a tract of land owned by the Raleigh -Durham Airport Authority ("RDU") known as the "Odd Fellows Tract." 15. The Odd Fellows Tract is bordered as follows: Umstead Park to the north, Interstate 40 to the south, Triangle Quarry to the east, and Old Reedy Creek Road (a gravel, unimproved road) to the west. (1 T. 91-92). Old Reedy Creek Road has an existing single lane bridge incapable of bearing heavy traffic. 16. The Odd Fellows Tract remains undeveloped woodland and includes a small pond or lake known as Foxcroft Lake. 17. The Odd Fellows Tract also contains rock. Wake Stone wishes to mine that rock through its Triangle Quarry operation. Wake Stone and RDU executed a lease agreement relating to that mining. Wake Stone has applied for a modification to its mining permit to allow it to mine on the Odd Fellows Tract. 5 18. Neither the lease agreement nor the potential mining permit modification is at issue in this contested case, nor is the desirability or otherwise of mining and quarrying operations in the Odd Fellows Tract, either by Wake Stone or others. 19.On April 7, 2020, Respondent received an application ("Wake Stone Bridge Application") for a Buffer Authorization to construct the Wake Stone Bridge over Crabtree Creek to connect the Odd Fellows Tract with the Triangle Quarry property, obviously for purposes of projected future mining operations in the Odd Fellows Tract. 20. Wake Stone first proposed a "crusher system" that would crush mined aggregate and, by a system of conveyors, carry the aggregate from the Odd Fellows Tract to the Wake Stone quarry. This proposal resulted in considerable negative community feedback, for among other reasons that it would be noisy and would, at least as proposed, be installed in the middle of Foxcroft Lake (thus destroying the lake). Further, installation of the crusher system as proposed would not remove Wake Stone's perceived need for a bridge over Crabtree Creek. Wake Stone eventually abandoned the crusher/conveyor proposal in favor of what became the Wake Stone Bridge plan. (3 T. 522). 21. Petitioner engaged in considerable discussion of this proposed crusher system at the hearing, apparently as a potential "practical alternative" to the Wake Stone Bridge. However, this crusher system was never presented to Respondent in lieu of or as an alternative to the Wake Stone Bridge, and the evidence does not show that the proposed crusher system would be a practical alternative, let alone the only practical alternative, to a bridge structure. 22. Paul Wojoski ("Wojoski"), the supervisor of Respondent's "401 and Buffer Permitting Branch," was in charge of reviewing the Wake Stone Bridge Application and was the person who issued the Buffer Authorization on behalf of Respondent. Wojoski has issued hundreds of buffer authorizations and reviewed authorizations approved by other colleagues. Petitioner did not present expert testimony to dispute any of Wojoski's findings in the Wake Stone Bridge matter. 23. On April 22, 2020, Wojoski wrote to Wake Stone (the letter was through clerical error initially addressed to RDU) requesting that Wake Stone "provide a statement that clearly defines the purpose of the proposed bridge." Wake Stone responded with additional information on April 23, 2020. 24. Subsequently, Respondent issued a Buffer Authorization to Wake Stone. Prior to doing so, Respondent made no written findings of fact that the Wake Stone Bridge project complied with ISA NCAC 02B .0233. 25. The Buffer Authorization to Wake Stone lays out the specific footprint in each of two buffer zones where impacts are allowed. The Buffer Authorization approves 6,404 square feet of "permanent impacts" in Zone 1 of the buffer, and 5,645 square feet of permanent impacts in Zone 2 of the Buffer. (Pet. Ex. A, Buffer Authorization) Of the approximately 0 6,142 linear feet of Crabtree Creek buffer within the Odd Fellows Tract, the Buffer Authorization approves buffer impacts along a little over 60 linear feet of the creek. Id. 26. "Permanent impacts," the Tribunal finds, is a synonym for "destroyed." The Buffer Authorization as approved, then, would destroy approximately 12,000 square feet of riparian buffer along Crabtree Creek. (3 T. 454). 27. The primary reason for the extent of this destruction, the Tribunal finds, is the size, width, and scale of the Wake Stone Bridge. Res. Ex. 18 and 19 provide visual demonstrations of this issue:' Bridge Traffic Scenario 2 One-way mine haul unit travel with two-way highway truck travel. Exhibit 1 ' These documents were not submitted to or considered by Respondent as part of the Buffer Authorization approval process and are included herein as illustrative examples of the size and scope of the activities at issue. 3 T. 518. 7 typical hwy dump truck -27' 60 ' RriHnin 65 ton capacity - haul unit F1 Visualization - =Exhibit19 28. The Wake Stone Bridge was designed by Michael Baker International, a professional engineering firm. (3 T. 519). The bridge is a full 60 feet wide from side to side and its impact on the riparian buffer exceeds even that amount. The bridge allows two-way traffic passage of 65-ton hauler truck units, which are approximately twice the size of normal, road -legal dump trucks. This heavy mining equipment is "massive in size," capable of carrying "on the order of 50 or 60 tons in weight," and approximate 20 feet wide. These hauler trucks are not allowed to use public roadways due to their specific size and design. (Tr. Vol. 1 pp. 78-79) 29. Each lane of the Wake Stone Bridge as designed is 27 feet wide. Foundational support for a bridge of this size, sustaining trucks of the size at issue, engaged in two-way traffic, results in the 12,000 square foot destruction of the riparian buffer at Crabtree Creek. 30. The buffer rules required Respondent to make findings of fact that the Wake Stone Bridge project, among other requirements, "cannot be practically accomplished in a manner that would better minimize disturbance, preserve aquatic life and habitat, and protect water quality," and "cannot practically be reduced in size or density, reconfigured or redesigned to better minimize disturbance, preserve aquatic life and habitat, and protect water quality." 31. During the Buffer Authorization approval project, Respondent neither asked Wake Stone for an alternative proposal to the submitted Wake Stone Bridge plan nor asked for any changes in it. 3 T. 447. Wojoski testified: I requested information and questioned Wake Stone on why they proposed that design as meeting the avoidance of minimization criteria, and they responded and told me that that design, they charged an international engineering firm with designing a bridge that would completely span the floodplain that would require no direct impact onto Crabtree Creek, would not discharge any stormwater directly into the stream or the buffer area, and also minimize the impacts of the riparian buffer area given the project purpose to transport the heavy mine trucks with multiple or hundreds of trips per day. 3 T. 447-482 32. However, none of these discussions are documented in the agency file. 3 T. 450. There are also no written findings of fact in the Respondent agency's file regarding there being "no practical alternative" to the width and size of the Wake Stone Bridge as designed. 33. Likewise, there was no documentation of — and again no written findings of fact on - Respondent's efforts to determine why the Wake Stone Bridge needs to be as large and as wide as proposed, and as destructive to the riparian buffer as proposed. Wojoski testified: Verbal -- there were verbal conversations [with Wake Stone regarding the width of the bridge]. In addition to that, direct observations of the size of the width of the mining trucks and how large they were, operations of how the -- the -- the quarry traffic is intended to operate there. So that -- there was additional direct observations there. (3 T. 452). Further, Wojoski relied primarily on Wake Stone itself regarding the perceived need for the width and size of the Wake Stone Bridge as designed: Q. You didn't have any kind of a -- an opinion or analysis by anyone outside Wake Stone about why it needed to be 60 feet wide, correct? A. It -- so I understood that the first bridge design was done by an engineering firm, a qualified engineer to design that, and I took that and the weight that comes with that into consideration. I did not seek out additional engineers to evaluate the proposal against what the original engineers have proposed, if that is clear. (3. T. 453(. 34. That professional engineers designed the Wake Stone Bridge does not establish that there are no practical alternatives to that design. (3 T. 454). 35. Bratton testified that the Wake Stone Bridge needed to be 60 feet wide to: 2 The proposed Wake Stone Bridge design does not in fact "completely span the floodplain," but only the 100-year floodplain. (3 T. 478). The proposed bridge does impact the 500-year floodplain. 0 [A]ccommodate large mine haul truck traffic, along with access for multiple pieces of mine equipment that would cross Crabtree Creek to the Odd Fellows for the mining of that property. The width allows for safe passage. Now, we're talking about hundreds of times a day these trucks are going to be crossing this bridge. (3 T. 530-531) 36. Bratton stated that a one-way bridge design was "not possible" on the grounds that it was "not safe" for "hundreds of loads a day, hundreds of -- of crossings a day on both lanes." (3 T. 531-532). 37. What would carry these "hundreds of loads" for "hundreds of crossings" is unclear. Wake Stone owns only six of the oversized mining trucks as of the date of the hearing. (3. T. 533). While Bratton claimed that Wake Stone would purchase additional trucks, it has not contracted for any. (3 T. 534). 38. Confidence in Bratton's opinions and predictions is not enhanced by his providing evasive answers to the Tribunal's questions about the impacts of agricultural lime, fertilizer, and superphosphate entering Crabtree Creek as a part of efforts to re-establish vegetation in the buffer area destroyed by the Wake Stone project. (3 T. 550-551). 39. Further, Bratton is an interested party in terms of obtaining approval for the Wake Stone Bridge and the presumptive economic benefit for Wake Stone from mining operations on the Odd Fellows Tract. While being financially interested does not discredit Bratton, the Tribunal will not accept (under these facts) an interested party's predictions for the future as sufficient to establish a "no practical alternatives" situation for the Wake Stone Bridge as designed, particularly in the absence of documented findings of fact from Respondent determining whether the project could be minimized in size, scope and impact — as the buffer rules require. 40. The Tribunal is not convinced that the Wake Stone Bridge's width and size is necessary to meet the basic project purpose, in large part due to the absence of contemporaneous documentary evidence (including the absence of written findings of fact) on this issue and of possible alternatives to minimize the size, scope, and impact of the Wake Stone Bridge project on the Crabtree Creek riparian buffer. 41. Petitioner did not prove that Respondent failed to comply with the buffer rules on the other issues Petitioner raised in this case. The evidence showed that there are no practical alternatives to a bridge at the proposed location due to the geographic limitations of the area in question, the lack of existing improved road options, and the existing use of areas otherwise bordering the Odd Fellows Tract (Umstead Park and Interstate 40). (1 T. 76, 80; 2 T. 401-406). 10 42. Petitioner did not prove that buffer rules require a bridge structure that spans the entire buffer. Bridges are an allowable exception to the buffer rules. 43. Petitioner did not prove that a crusher system as originally raised by Wake Stone was a better or even a feasible alternative to a bridge structure. CONCLUSIONS OF LAW The Office of Administrative Hearings has personal and subject matter jurisdiction over the parties and over this contested case. The parties received proper notice of the hearing in this contested case. 2. To the extent that the findings of fact contain conclusions of law, or that the conclusions of law may be considered or include findings of fact, they should be so considered without regard to their given labels. 3. The Tribunal need not make findings as to every fact that arises from the evidence and need only find those facts which are material to the settlement of the dispute. Flanders v. Gabriel, 110 N.C. App. 438, 440, 429 S.E.2d 611, 612, aff d per curiam, 335 N.C. 234, 436 S.E.2d 588 (1993). 4. The North Carolina Administrative Procedure Act ("APA") authorizes "[a]ny person aggrieved" to "commence a contested case" to challenge certain final agency actions. 150B-23(a). 5. "Person aggrieved" means "any person or group of persons of common interest directly or indirectly affected substantially in his or its person, property, or employment by an administrative decision." N.C. Gen. Stat. § 150B-2(6) (emphasis added). 6. "[W]hether a party is a `person aggrieved' must be determined based on the circumstances of each individual case." N.C. Forestry Ass'n v. N.C. Dep't of Env't & Nat. Res., 357 N.C. 640, 644, 588 S.E.2d 880, 882 (2003) (citing Empire Power Co. N.C. Dep't of Env't, Health & Nat. Res., 337 N.C. 569, 588, 447 S.E.2d 768, 779 (1994)). 7. A membership organization may demonstrate that it is a "person aggrieved" by demonstrating that its members will be substantially affected in their person, property, or employment. Forestry Ass'n, 357 N.C. at 642-44, 588 S.E.2d at 882; Save Our Rivers, Inc. v. Town of Highlands, 113 N.C. App. 716, 440 S.E.2d 334 (1994), rev'd on other grounds, 341 N.C. 635, 461 S.E.2d 333 (1995). 8. APA "confers procedural rights and imposes procedural duties, including the right to commence an administrative hearing to resolve disputes between an agency and a person involving the person's rights, duties, or privileges." Empire Power., 337 N.C. at 583, 588, 447 S.E.2d at 776, 779. A person's rights, duties or privileges arise under the relevant organic statute. See 337 N.C. at 583, 447 S.E.2d at 776-77. Therefore, "any `person aggrieved' within the meaning of the [controlling] organic statute is entitled to an 11 administrative hearing to determine the person's rights, duties, or privileges." 337 N.C. at 588, 447 S.E.2d at 779. 9. The Tribunal concludes as a matter of law that Petitioner is a "person aggrieved" for purposes of the APA with respect to the Buffer Authorization to Wake Stone. 10. Petitioner bears the burden of proving by a preponderance of the evidence that (1) Respondent substantially prejudiced its rights; and (2) Respondent acted erroneously, arbitrarily and capriciously, used improper procedure, or failed to act as required by law or rule. N.C.G.S 15013-23(a), 150B-25.1(a) and 15013-29(a); Surgical Care Affiliates, LLC v. N.C. DHHS, 235 N.C. App. 620, 623, 626-31, 762 S.E.2d 468, 471, 473-75 (2014). Overcash v. N.C. Dept. of Env't & Nat. Res., 179 N.C. App. 697, 703-04, 635 S.E.2d 442, 447 (2006). 11. North Carolina law presumes that a regulatory agency has properly performed duties it has been delegated to perform. In re Broad & Gales Creek Community Assoc., 300 N.C. 267, 280, 266 S.E.2d 645, 654 (1980); Adams v. N.C. State Bd. of Registration for Prof. Eng'rs & Land Survey, 129 N.C. App. 292, 297, 501 S.E.2d 660, 663 (1998). However, a petitioner may overcome that presumption by showing a material lack of evidence or facts demonstrating that the agency performed those duties in conformance with rules (here, the buffer rules) to which the agency is subject and with which (again as here) the agency must comply in performing that delegated duty. 12. The APA requires that the Tribunal "giv[e] due regard to the demonstrated knowledge and expertise of the agency with respect to facts and inferences within the specialized knowledge of the agency." N.C.G.S. 150B-34(a). 13. That deference, however, does not extend to claims made by either Wake Stone or the engineers who designed the Wake Stone Bridge. Moreover, "due regard" does not mean blanket deference, nor does it mandate lack of inquiry. Courts do not afford an agency deference when the agency fails to engage in required fact finding and consider facts material under the relevant law. AH N.C. Owner LLC v. N.C. Dep't of Health & Human Servs., 240 N.C. App. 92, 99, 109, 771 S.E.2d 537, 541, 547 (2015). 14. Plain reading of 15A NCAC 02B .0233(8)(a) shows that Respondent was required to "make a finding of fact" that the requirements of the buffer rules had been met with respect to the Buffer Authorization. 15. Respondent argues that the buffer rules do not require findings of fact be expressly memorialized in any manner separate and apart from the agency's issuance of the Buffer Authorization. 16. The Tribunal disagrees. The Tribunal is well accustomed to making findings of fact. They are always written. Ideas in the judge's head are not "findings of fact" until they are written down and denominated findings of fact. Findings of fact are written statements that show the thought process of the decisionmaker. 12 17. When applied to the present case, this means that it was necessary for Respondent to have a documented finding of fact that there was no practical alternative to building a bridge, of this size, of this width, with the corresponding destruction of 12,000 square feet of riparian buffer. In re Rickard, 161 N.C. App. 150, 154, 587 S.E.2d 467, 469 (2003); Gregory v. W.A. Brown & Sons, 363 N.C. 750, 761-62, 688 S.E.2d 431, 439 (2010). 18. This conclusion does not read requirements into the statute that do not exist; rather, it reads the statute using the plain meaning of the words at issue in such a way as avoids making them pointless. A "finding of fact" that is unwritten is as pointless as a Final Decision containing a blank space under its "Findings of Fact" — in both cases, there is no way to determine the fact(s) found, the reasoning behind the finding, or that the finding was made at all. 19. Respondent further argues that its use of "implied" findings of fact has enhanced validity due to this being apparent agency practice for some time. Again the Tribunal disagrees. Practices that fail to comply with the plain language (under plain reading) of the buffer rules do not gain enhanced validity because the same error is made multiple times. 20. The agency record is essentially devoid of evidence that Respondent made findings of fact under the buffer rules with respect to the size and width of the Wake Stone Bridge, or of inquiries regarding alternatives minimizing the size, scope, and impact of the Wake Stone Bridge less destructive to the riparian buffer. The agency record is thus essentially devoid of evidence that Respondent complied with the requirements of the buffer rules. 21. The Respondent erred in failing to make the finding of fact required by 15A NCAC 02B .0233 prior to issuing the Buffer Authorization. 22. Respondent acted erroneously and failed to act as required by law or rule, with respect to its issuance of the Buffer Authorization. FINAL DECISION Respondent's agency action in issuing the June 4, 2020, Buffer Authorization to Wake Stone Corporation is REVERSED. NOTICE OF APPEAL This is a Final Decision issued under the authority of N.C. Gen. Stat. § 150B-34. Under the provisions of North Carolina General Statute § 150B-45, any party wishing to appeal the final decision of the Administrative Law Judge must file a Petition for Judicial Review in the Superior Court of the county where the person aggrieved by the administrative decision resides, or in the case of a person residing outside the State, the county where the contested case which resulted in the final decision was filed. The appealing party must file the 13 petition within 30 days after being served with a written copy of the Administrative Law Judge's Final Decision. In conformity with the Office of Administrative Hearings' rule, 26 N.C. Admin. Code 03.0102, and the Rules of Civil Procedure, N.C. General Statute IA-1, Article 2, this Final Decision was served on the parties as indicated by the Certificate of Service attached to this Final Decision. N.C. Gen. Stat. § 150B-46 describes the contents of the Petition and requires service of the Petition on all parties. Under N.C. Gen. Stat. § 15013-47, the Office of Administrative Hearings is required to file the official record in the contested case with the Clerk of Superior Court within 30 days of receipt of the Petition for Judicial Review. Consequently, a copy of the Petition for Judicial Review must be sent to the Office of Administrative Hearings at the time the appeal is initiated in order to ensure the timely filing of the record. IT IS SO ORDERED. This the 27th day of September, 2021. Michael C. Byrne Administrative Law Judge 14 CERTIFICATE OF SERVICE The undersigned certifies that, on the date shown below, the Office of Administrative Hearings sent the foregoing document to the persons named below at the addresses shown below, by electronic service as defined in 26 NCAC 03 .0501(4), or by placing a copy thereof, enclosed in a wrapper addressed to the person to be served, into the custody of the North Carolina Mail Service Center who subsequently will place the foregoing document into an official depository of the United States Postal Service. Shannon Marie Arata Calhoun, Bhella & Sechrest sarata@cbsattomeys.com Attorney For Petitioner James L Conner Calhoun Bhella & Sechrest LLP jconner@cbsattomeys.com Attorney For Petitioner Amy L Bircher North Carolina Department of Justice, Office of the Attorney General abircher@ncdoj.gov Attorney For Respondent Francisco Joseph Benzoni North Carolina Department of Justice fbenzoni@ncdoj.gov Attorney For Respondent Elly Steiner Young North Carolina Department of Justice esyoung@ncdoj.gov Attorney For Respondent This the 27th day of September, 2021. Daniel Chunko Paralegal N. C. Office of Administrative Hearings 1711 New Hope Church Road Raleigh, NC 27609-6285 Phone: 984-236-1850 15 DocuSign Envelope ID: C7D1707E-8FD4-46ED-8F13-376E2014B1B7 ROY COOPER Governor ELIZABETH S. BISER Secretary S. DANIEL SMITH Director Wake Stone Corporation NORTH CAROLINA Environmental Quality October 7, 2021 DWR #2017-1487 v3 Wake County Attn: Mr. Samuel T. Bratton PO Box 190 Knightdale, NC 27545-0190 Subject: ALJ's Final Decision in The Umstead Coalition v. North Carolina Department of Environmental Quality, Division of Water Resources Dear Mr. Bratton: On April 7, 2020, the Division of Water Resources (Division) received your application requesting a Riparian Buffer Authorization pursuant to the Neuse River Riparian Buffer Protection Rules (15A NCAC 02B .02331) related to a proposed bridge over Crabtree Creek. The Division issued a Buffer Authorization for the project on June 4, 2020 (Buffer Authorization). On August 30, 2020, the Umstead Coalition filed a petition for contested case in the N.C. Office of Administrative Hearings, challenging the Buffer Authorization. The matter was heard on the merits February 17-19, 2021. On September 27, 2021, an Administrative Law Judge rendered a final decision reversing the Division's issuance of the Buffer Authorization. As a result of the Administrative Law Judge's final decision, please be aware that you do not have authorization to impact riparian buffers under the Neuse River Riparian Buffer Rules, and any such impacts may be a violation of North Carolina General Statutes and Administrative Code. ' Rule 15A NCAC 02B .0233 has been re -codified in 15A NCAC 02B .0714, 15A NCAC 02B .0610, 15A NCAC 02B. 0611, 15A NCAC 028.0612, effective June 15, 2020. 2 The Umstead Coalition v. North Carolina Department of Environmental Quality, Division of Water Resources, 20 EHR 03014. D E Q�� North Carolina Department of Environmental Quality j Division of Water Resources 512 North Salisbury Street 1 1650 Mail Service Center I Raleigh, North Carolina 27699-1650 NOFIHCAHOLINA rIMA vI /"� 919.707.9000 DocuSign Envelope ID: C7D1707E-8FD4-46ED-8F13-376E2014B1B7 Please contact Paul Wojoski at 919-707-9015 or Paul.Wojoski@ncdenr.gov if you have any questions or concerns. Sincerely, DOCUSi P gned by: ie 949Dg1BA53EF4E0... Paul Wojoski, Supervisor 401 and Buffer Permitting Branch cc via email: Bob Zarzecki, S&EC Sam Bratton, Wake Stone Corporation DEMLR DWR RRO DWR 401 & Buffer Permitting Unit via Laserfiche File: 2107-1487v3_Wake_Stone_Order_Response_Letter R E Q ,� North Carolina Department of Environmental Quality f Division of Water Resources 512 North Salisbury Street 1 1650 Mail Service Center Raleigh, North Carolina 27699-1650 NrerH rAROIJNA oenartneni m �wmMmvi Q-a 919,707.9000 MSHA HANDBOOK SERIES U.S. Department of Labor Mine Safety and Health Administration Mine Safety and Health Enforcement November, 2020 Handbook Number: PH20-I-1 Roadways and Dumping Locations Inspection Handbook PREFACE This handbook provides mine inspectors information to evaluate the safety of a mine's roadways and dumping locations. Not all procedures and requirements are applicable to all mine types. Deviations from the procedures outlined in this handbook should be based on the inspector's professional judgement and discussion with the inspector's supervisor given conditions, practices, and circumstances specific to the mine. Approved: /s/ Timothy R. Watkins Administrator for Mine Safety and Health Enforcement TABLE OF CONTENTS CHAPTER1 - INTRODUCTION.............................................................................................1 AUTHORITY..................................................................................................................................1 PURPOSE.......................................................................................................................................1 RESPONSIBILITY............................................................................................................................1 INSPECTION PROCEDURE CONSIDERATIONS...............................................................................1 ADDITIONALPUBLICATIONS.......................................................................................................2 CHAPTER2 - ROADWAYS.......................................................................................................3 GRADES........................................................................................................................................3 ROADWAYWIDTH.......................................................................................................................3 ROADSIDEBERMS AND GUARDRAILS..........................................................................................4 RUNAWAYEQUIPMENT...............................................................................................................5 SIGHTDISTANCE..........................................................................................................................5 OTHER SIGHT DISTANCE CONSIDERATIONS.......................................................................6 STOPPINGDISTANCE....................................................................................................................6 SPEEDLIMITS................................................................................................................................6 TRAFFICRULES AND SIGNS..........................................................................................................7 ROADWAYMAINTENANCE..........................................................................................................7 UNSTABLE MATERIAL AND OTHER HAZARDS...........................................................................8 CHAPTER 3 - DUMPING LOCATIONS................................................................................9 BERMSAT DUMPING LOCATIONS...............................................................................................10 STABILITYNEAR THE DUMP EDGE..............................................................................................10 i ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK CHAPTER 1- INTRODUCTION Authority The Federal Mine Safety and Health Act of 1977, as amended by the Mine Improvement and New Emergency Response Act of 2006, (Mine Act) requires that authorized representatives of the Secretary of Labor conduct mine inspections and investigations to determine whether miners and mine operators are in compliance with the Mine Act and mandatory safety and health standards, and to obtain, utilize, and disseminate information related to safety and health conditions. Purpose The design and maintenance of roadways and dumping locations play an important part in surface haulage safety. This handbook provides mine inspectors with information to assist them in evaluating the safety of mine roadways and dumping locations. Inspectors can use this handbook to help identify hazardous roadway conditions, dumping location conditions, and associated work practices. Responsibility The Administrator for Mine Safety and Health Enforcement has the primary responsibility for enforcing the Mine Act, including the standards and regulations relating to mining. Shared responsibility rests with the regional administrators, district managers, assistant district managers, supervisors, specialists, and inspectors. Inspectors are responsible for conducting inspections and investigations. Inspectors should discuss safety and health practices with mine operators and miners during every inspection. Stakeholder participation is essential to an effective safety and health program at each mine. Inspection Procedure Considerations Inspectors should evaluate potential problem areas on roadways and dumping locations during the course of the inspection. Pay special attention to roadway areas with steep grades, sharp curves, limited sight distances, narrow roadway widths, and/or slippery roadway surfaces. Note conditions at intersections, in congested areas, and at locations where it may be unclear who has the right-of-way. Spend time observing the traffic in all of these areas. Look for indications of equipment control issues, such as skid marks on the roadway. These may reveal: November 2020 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK • roadway areas prone to near misses, • over -reliance on service brakes on downgrades, • operations exceeding performance limits of equipment, and • equipment operator training deficiencies. Inspectors may obtain the best perspective of roadways by accompanying an equipment operator. This provides an opportunity to discuss potential problems. Pay special attention to dumping locations with: • soft surfaces, • evidence of settling, • berms, • drainage issues, and • equipment dumping directly over or near the edge. To investigate a situation further, an inspector may need specialized equipment like a measuring tape, a laser range finder, a stopwatch, and a device for measuring roadway grade. If inspectors need a more detailed analysis of a roadway or dumping location, they should discuss the situation with their supervisor. The inspector's supervisor can obtain technical assistance from the District Office or the Directorate of Technical Support. The Technical Support, Pittsburgh Safety and Health Technology Center, Mine Waste and Geotechnical Engineering Division, provides technical assistance concerning roadways and dumping locations. The Technical Support, Approval and Certification Center, Mechanical and Engineering Safety Division, provides technical assistance concerning haulage equipment and braking systems. Additional Publications Inspectors, miners, and mine operators may obtain additional publications on roadways and dumping locations by contacting the National Mine Health and Safety Academy at the address below or electronically at mshadistributioncenter@dol.gov and MSHALibrary@dol.gov National Mine Health and Safety Academy 1301 Airport Road, Beckley, WV 25813 (304) 256-3100 November 2020 2 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK CHAPTER 2 - ROADWAYS Grades Mine operators should consider grades when they design roadways. The grade of a roadway is a measure of the slope, which is the incline or steepness from horizontal. Mine operators will normally use "percent grade" to express the grade of a roadway. The percent grade is equal to the number of feet that the roadway vertically inclines or declines over a horizontal distance of 100 feet. For example, a 6 percent grade means the roadway vertically rises or drops 6 feet for every 100 feet traveled. WHAT INSPECTORS CAN DO • Determine the percent grade of a roadway by measuring it with an Abney level, laser range finder, GPS, or by calculating it from an accurate topographic map. • If the steepness of the roadway varies, divide the roadway into segments of constant grade and determine the grade for each roadway segment. • Encourage mine operators to avoid placing a sharp curve near the top or bottom of a steep grade. • Verify that the mine operator has considered the braking capabilities of the equipment in establishing speed limits for downgrades. • If an opportunity presents, encourage mine operators to put a decal in the operator's cab with the manufacturer's recommendation of maximum operating speeds for various grades. Roadway Width Mine operators should consider the widest equipment to use a roadway when they establish roadway width. A basic rule of safe roadway design is each lane of travel should provide clearance on both sides equal to one-half the width of the widest vehicle using the roadway (see the example of widths in the image below), plus additional width around curves. WHAT INSPECTORS CAN DO • Measure roadway widths when they appear to be too narrow. • Encourage mine operators to widen roadways or take additional safety measures, such as reducing speed limits and placing warning signs, when roadway widths are less than recommended. November 2020 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK Example Roadway R'idths One -halt Lane 1 000- •tf tl.ctrack wtatb Typical Section for 16-Foot Vehicle Width width 8 ft. 1 16 ft. 1 8 ft. 32 ft. 56 ft. Lane Z Lane 3 Lane 4 80 ft. 104 ft. NOTE: The example applies to straight roadways; additional width should be added around the curves Roadside Berms and Guardrails Mine operators use earthen berms, boulder berms, and/or guardrails along the outer bank of elevated roadways. Roadside berms and guardrails provide equipment operators a visual indication of the outer bank of the roadways. Roadside berms and guardrails also provide equipment operators a sensation of contact and deflect equipment back into the roadway. Earthen berms should be firm with the inside slope of berms sufficiently steep. Loose berm material provides less restraint and equipment could plow through. A shallow slope on the inside of an earthen berm could allow equipment to ride up and over it. Boulder berms are a continuous row of substantial boulders. The boulders should be large enough and have sufficient sliding distance to stop equipment when impacted. Additional roadway width should be available in case of contact with or pushing of the boulders. WHAT INSPECTORS CAN DO • Ensure that berms and guardrails are at least as high as mid -axle height of the largest equipment using the roadway. • Encourage mine operators to use larger berms in areas with higher designated speed limits, curves, steep grades, and/or other areas where equipment operators are more likely to lose control. • Check that the base elevation of an earthen roadside berm is no lower than the roadway elevation. • Examine berm maintenance. Look for erosion, sloughing, slope undercutting, or other features that compromise berm integrity. • Check that boulder berms have sufficient spacing and sliding distance to stop November 2020 4 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK equipment. Ensure that guardrails are of sufficient construction. Runaway Equipment Mine operators may need to incorporate safety features into their roadway designs to safely stop runaway equipment, such as escape lanes/ramps, arrester beds, collision/ drag berms, and median/ center berms. A collision or drag berm is a loose pile or row of material capable of stopping runaway equipment. Equipment operators can direct their runaway equipment to straddle the berm. The berm should be high enough to stop the runaway equipment by dragging against the equipment bottom. A median or center berm is a collision berm in the middle of the roadway, between the lanes. An escape lane or ramp can stop runaway equipment by directing the equipment up grade and/or through an arrester bed of loose, high rolling -resistance material. WHAT INSPECTORS CAN DO • Consider runaway equipment potential when inspecting roadway segments, especially segments which are long and steep. • Talk to mine operators about different types of runaway equipment safety features that they can use to safely stop runaway equipment. Sight Distance Mine operators should consider sight distance when they design roadways. "Sight distance" is a straight line distance that a driver can see ahead of his or her vehicle, and it may be shorter than the actual equipment travel path. A basic rule of safe roadway design is that, at all times, equipment operators must be able to stop their equipment within the available sight distance. WHAT INSPECTORS CAN DO • Determine sight distances by measurement or by pacing. • Consider the equipment operator's position when determining sight distance. This should include consideration of visual obstructions and equipment blind spots. • Look for ways to address limited sight distance, such as cutting back trees or brush, relocating a stockpile, realigning the roadway or intersection, cutting down the crest of the hill, or reducing the speed of the equipment. • Be attentive to sight distance in areas such as curves, intersections, hill crests, and areas with pedestrian traffic or significant vehicular traffic. November 2020 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK Other Sight Distance Considerations There often is little contrast in the brightness between the background and other objects on mine property. This lack of contrast can make nighttime driving difficult. It is a good practice for mine operators to install roadside reflectors to help define the roadway and intersections for nighttime operations. Another good practice is to install and maintain marker lights on equipment that makes it easier to see the equipment from all sides at night. Stopping Distance Mine operators should consider stopping distance when they design roadways. Stopping distance factors include equipment operator response times, braking systems, gross vehicle weight (GVW), equipment speed, roadway grade, surface materials, and roadway conditions. WHAT INSPECTORS CAN DO • Determine available stopping distance for potentially problematic roadway sections. • Address hazardous roadway sections where equipment stopping distance is greater than the sight distance. This may include increasing sight distance and/or reducing equipment speed. • Consider equipment stopping distances and operator reaction times when determining safe following distances between equipment. • Determine whether equipment operators are maintaining safe following distances. • Determine whether mine operators are maintaining equipment braking systems according to manufacturer recommendations. • Determine whether equipment operators have access to the operator's manuals for the mobile equipment they operate. • Determine whether operators are following manufacturer use and maintenance specifications and recommendations. Speed Limits Mine operators must establish speed limits based on the capabilities of the equipment and roadway layout/condition that appropriately account for issues including limited sight distances, steep grades, congested areas, and pedestrian traffic areas. WHAT INSPECTORS CAN DO • Determine whether the equipment is traveling at or below the speed limit. • Determine whether the mine operator has considered factors like equipment braking capabilities, sight distances, and roadway conditions to establish safe November 2020 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK speed limits. Emphasize to equipment operators that speed limits apply only to normal driving conditions and that they should reduce their operating speed in other situations. Traffic Rules and Signs Traffic rules, signs, communications, and right-of-way rules should be clear and command attention. The mine operator should place signs at all points where vehicles enter the mine property, in locations where traffic patterns or communication procedures change, and in various areas around the property as reminders. WHAT INSPECTORS CAN DO • Be alert to areas where traffic rules may be unclear, especially with respect to right-of-way rules and control. • View the roadways through the eyes of a new equipment operator or a visitor who is unfamiliar with the property. • Ensure that left- or right -side traffic patterns are posted at appropriate locations. • Encourage mine operators to place signs indicating the respective percent of grades for steep sections of the roadways. • Recommend the use of reflective markers or other devices to mine operators in instances where sharp curves are unavoidable. • Ensure that mine operators mark railroad crossings and have policies or procedures to prevent traffic from stopping on the tracks. • Ensure that traffic signs are unobstructed, legible, and posted at appropriate locations. • Review the training plan to ensure that it alerts equipment operators to traffic rules, patterns, communication procedures, and conditions on the property. Roadway Maintenance Mine operators have a responsibility to maintain roadways and to correct hazardous roadway conditions. WHAT INSPECTORS CAN DO • Determine whether haulage equipment loading practices minimize roadway spillage. • Ensure that mine operators have implemented procedures to control roadway dust. • Examine roadside ditches and culverts to determine if they are effective in minimizing water on roadways. • Determine whether roadways are reasonably free of water and debris. • Determine whether mine operators examine roadways where November 2020 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK miners work or travel each shift. Unstable Material and Other Hazards Inspectors should make sure mine operators address unstable material above and below roadways which could present hazards to those using the roadways. Hazards may include rockfalls, slides, or roadway surface failures. Inspectors should also make sure mine operators address other roadway hazards, such as material falling from overhead structures and inadequate overhead clearances. WHAT INSPECTORS CAN DO • Check the highwalls or slopes above roadways for loose material. • Be alert to fallen material on a roadway, this could indicate hazards above the roadway. • Be alert for open rock joints, overhangs, and other geologic discontinuities above a roadway. • Be alert to signs of movement in the roadway surface, such as tension cracks or settling. • Pay attention to areas where water is seeping out of a slope. Water within a slope can make the slope less stable. Mine operators should collect seepage exiting onto the roadway and channel it away from the road if it could create a hazardous condition. • Look for erosion which can compromise fill stability and create a hazard. • Check slopes below roadways for over steepening, toe undercutting, and large erosion channels, which could affect the stability of the overlying roadway. November 2020 8 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK CHAPTER 3 - DUMPING LOCATIONS Examining dumping locations for unsafe conditions is critical to assuring miners' safety. Inspectors should make sure mine operators monitor for and address unsafe conditions and practices at dumping locations. Dumping location conditions continually change due to the dumping of new material, operation of equipment near the dumping location, weather conditions, and the settling of material. The most common dumping location fatal accidents involve trucks going over the edge of piles. Dumping short of the edge or moving to another location when potentially unsafe conditions arise can prevent dumping location accidents. WHAT INSPECTORS CAN DO • Check for berms, dump restraints, or bumper blocks where equipment regularly dumps. These features should define the edge of the dumping location and restrain equipment from overtravel. • Check if berm locations and edge material strength will support loaded equipment at the dumping location. • Make certain the back -side of the berm is not constructed on perched rock cobbles or boulders. • Check for excessive spillage at bumper blocks that could compromise the effectiveness of the blocks. • Talk with supervisors and equipment operators about truck overturning hazards associated with wet or frozen material sticking in raised beds/ trailers. • Check dump location drainage and look for soft areas that could cause equipment to overturn. • Look for indications of unsafe dumping practices such as backing up at an angle, hitting or traveling up the berm (berm bumping), excessive braking or stopping, and turning close to the edge before dumping. • Check dumping locations for sufficient illumination. • Check overhead clearance for dumping. Keep in mind that overhead clearance can decrease as dump heights increase. • Make certain the top surfaces of dumping locations are relatively level from side to side for equipment stability. • Make certain equipment operators dump sufficiently short if there is uncertainty about the stability of dumping locations. • Talk with supervisors, equipment operators, and miners about how to recognize and correct unsafe working conditions at dumping locations. Share training material related to dumping locations available from MSHA and discuss good dumping practices (see list of "Good dumping practices" below). November 2020 ROADWAYS AND DUMPING LOCATIONS INSPECTION HANDBOOK Berms at Dumping Locations To prevent equipment from overtravel, earthen berms should have a steep inside slope, sufficient height and width, and be firm enough. Berms constructed of only fine-grained material should be larger and more compacted. Berms constructed of broken rock may offer increased strength due to the interlocking and frictional resistance of the rock pieces. Stability Near the Dump Edge Material near dump edges or outslopes can be relatively loose, have steep -sided slopes, and may be unable to support heavy equipment. Moisture, thawing of frozen material, and/or removing material from the toe also can create hazards by reducing the stability of the dump location. A crack or a settled area near a dump edge, outslope, or highwall bench are warning signs of an unstable or marginally stable slope. Mine operators should identify/barricade tension cracks and settled areas or correct these conditions. Equipment operators should dump loads in a safe area away from these features. Covering a crack or a settled area does not make it stable. Good dumping practices include: • Dump in a safe location and push material over the edge. • Dump further away from the edge if there are cracks, excessive settling, or the outslope is undercut, over -steepened, or sloughing. • Block the access to the top of a pile whenever loading material from the toe. • Slope the top of the dumping location so that equipment operators are backing upslope to dump. • Use backup cameras, locating devices, or spotters to aid equipment operators. • Be alert for material sticking in beds. Do not try to jar material loose by jamming on the brakes. • When multiple trucks are dumping in close proximity to one another, leave space between trucks and/or equipment to prevent accidents associated with overturning and ground failure. • Align roadway approaches to stockpiles so equipment operators can examine the outslope and toe areas as they approach the dump location. • Avoid dumping in a single location due to the increased potential for instability and failure. • Identify overhead power lines with highly visible objects. • Control dust at the dumping location to maintain visibility and provide adequate illumination. November 2020 10 I I I I I I I I I I I I I I I ' I I I I I I I I I 11+00 11+50 12+00 12+50 13+00 13+50 SPAN A EL.. 280060.00 —L— STA. 14+12.00 —L— FILL FACE @ END BENT 1 FILL FACE @ END BENT 2 9.00 STA. 11+64.22 —L— STA. 12+70.72 —L— —L— GRADE DATA G.P. FI 2R0. 74 r P FI 97Q 71 —290 PROPOSED GRADE (TYP.) —280 FILL) FILL —_ 270° ° ~� _ LEL EL. 2641 _ y� ^ an Idlife Passage Zan/-EL. EL. 260 c PROP. 100 YR. EL. 262.00 N Wildlife Passage Zone 2691 �260 o _ = ^ _ TOP OF FTG. EL 261.0Q TOP OF FTG. L EL. 261 1 EL. 258.001 \ ^/ ELW 252.67 i�ff \ 1/ APPROXIMATE NATURAL = HP 12x53 STEEL PILES (TYP.) _ — / GROUND LINE —250 END BENT 1(West) END BENT 2(East) W.P. #1 STA. 11+64.22 -L- BEGIN APPROACH SLAB STA. 11+53.22 -L- III II I I II II/ I I III FILL FACE @ END BENT 1-1 I 1 11 I� SECTION ALONG -L- 106'-6" (FILL FACE TO FILL FACE) I I I II PRELIMINARY 100 YR. EFFECTIVE 100 YR. I I W.P. #2 FLOOD FRINGE (TYP.) FLOOD F(TYP.)� I I STA. 12+70.72 -L- BRIDGE I.D. I I I END APPROACH SLAB STA. 12+17.47 -L- I I STA. 12+81.72 -L- S 24-22'-33.5" E -L I I 0--00'-00" (TYP.) � II FILL FACE @ \ END BENT 2 II I 1 / w ~ Y m W Q U U PLAN 9/17/2020 11:01:31 AM, 1:20 C O i a 4- E L a 7 o° N� Ov� N � Q moo, Nam• VICINITY MAP GRAPHIC SCALES 50 25 0 50 100 PLANS 50 25 0 50 100 PROFILE (HORIZONTAL) 10 5 0 10 20 ` PROFILE (VERTICAL) ACCESS ROAD LOCATION: WAKE COUNTY BUFFER IMPACTS PERMIT Prepared in the Office of: Michael Baker Engineering, Inc. 8000 Regency Pkwy Michael Baker Suite 600 Carryy NC 27518 INTERNATIONAL NC License: F-1084 TODD H. BUCKNER, PE PROJECT ENGINEER DOCUMENT NOT CONSIDERED FINAL 1NLESS ALL SIGNATURES COMPLETED HYDRAULICS ENGINEER Y.E. ROADWAY DESIGN ENGINEER P.E. SIGNATURE: PROJECT REFERENCE NO. SHEET NO. — — \ 481727 4 / \ RW SHEET NO. \ ROADWAY DESIGN HYDRAULICS \ ENGINEER ENGINEER I�50' 25' 0 50' --100' \ SCALE: 1"=100' \ \ DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED \ BUFFER DRA�A/ING SHEET 2 OF S ALLOWABLE IMPACTS ZONE 1 ALLOWABLE IMPACTS ZONE 2 C z \ \ \ 290 280 270 tL = Ct1LUb BEGIN BRIDGE -L- STA.11+68.00 (-)n 5nnn\ (-)0.5000i 10 YR WSEL 260.38' I I 260 250 a NWSE=252.7 240 � I 1 10 11 12 13 14 1 RIPARIAN BUFFER IMPACTS SUMMARY IMPACTS BUFFER TYPE ALLOWABLE MITIGABLE REPLACEMENT Site Station Structure ROAD PARALLEL No. (From/To) Size / Type CROSSING IMPACT BRIDGE ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 TOTAL ZONE 1 ZONE 2 (ft2) (ft2) (ft2) (ft2) (ft2) (ft2) (ft2) (ft2) 1 12+18-L- BRIDGE X 6404 5645 12049 0 TOTALS*: 6404 1 5645 1 12049 1 0 1 0 1 0 1 0 0 NOTES: 2018 Feb 27'-41/2" Clear Roadway 65 ton capacity haul unit (rear view) 1:50 60.0 Ft. Bridge Traffic Scenario 1 Two-way mine haul unit travel. - 27'-41/2" Clear Roadway - 65 ton capacity haul unit (front view) 18.6 Feet 27'-41/2" Clear Roadway 60.0 Ft. Bridge Traffic Scenario 2 27'-41/2" Clear Roadway 65 ton capacity haul unit (front view) 18.6 Feet One-way mine haul unit travel with two-way highway truck travel. 1:50 e 100 1 typical hwy dump truck ~27 -47 7-2 mow 65 ton capacity haul unit ~271 a_ isualization/