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HomeMy WebLinkAboutSW4210702_Application_20210712DEMLR USE ONLY Date Received Fee Paid Permit Number o� t 50 5 -4-4"7 o S W 4 2 u -7 o Appli able Rules: ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph II - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ Mgmt Plan: State of North Carolina R E C E i VE D Department of Environment and Natural Resources t� l� �! Division of Energy, Mineral and Land Resources JUL 12 2021 STORMWATER MANAGEMENT PERMIT APPLICATION FORM_ `A -LAND QUALITY This form may be photocopied for use as an original STORMWATER PERMITTING I. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans specifications, letters, operation and maintenance agreements, etc.): Southern Alamance High School Additions and Renovations 2. Location of Project (street address): 631 Southern High School Road City:Graham County:Alamance Zip:27253 3. Directions to project (from nearest major intersection): From I-40 in Graham (Exit 147) proceed south on S. Main Street (NC 87). Continue south on S. Main Street approximately 0.8 miles to Rogers Road. Turn right onto Rogers Road. Continue on Roger Road approximately 3.2 miles to Southern High School Road. Turn left onto Southern Hieh School Road. 4. Latitude:36° 00' 07" N Longitude:-790 24' 24" W of the main entrance to the project. II. PERMIT INFORMATION: 1. a. Specify whether project is (check one): ®New ❑Modification ❑ Renewal w/ Modificationt tRenewals with modifications also requires SWU-102 - Renewal Application Form b. If this application is being submitted as the result of a modification to an existing permit, list the existing permit number , its issue date (if known) , and the status of construction: ❑Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification 2. Specify the type of project (check one): ❑Low Density ®High Density []Drains to an Offsite Stormwater System ❑Other If this application is being submitted as the result of a previously returned application or a letter from DEMLR requesting a state stormwater management permit application, list the stormwater project number, if assigned, and the previous name of the project, if different than currently proposed, 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ®Sedimentation/Erosion Control:14.38 ac of Disturbed Area ❑NPDES Industrial Stormwater ❑404/401 Permit: Proposed Impacts b. If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit:E&SC - Southern Alamance High School Additions & Renovations ALAMA-2021-057 5. Is the project located within 5 miles of a public airport? []No ®Yes If yes, see S.L. 2012-200, Part VI: http://portal.ncdenr.org/web/lr/rules-and-regulations Form SWU-101 Version Oct. 31, 2013 Page 1 of 6 III. CONTACT INFORMATION 1. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual, etc. who owns the project): Applicant/ Organization: Alamance-Burlington School System Signing Official & Title:limmy Russell/Facilities Project Manager b. Contact information for person listed in item la above: Street Address:1712 Vaughn Road City:Burlington State:NC Zip:27217 Mailing Address (if applicable):1712 Vaughn Road City:Burlington State:NC Zip:27217 Phone: (336 ) 570-6060 Fax: (336 ) 570-6218 Email:iimmy.russell@abss.kl2.nc.us Please check the appropriate box. The applicant listed above is: ® The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ❑ Developer* (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/Organization: Signing Official & Title: b. Contact information for person listed in item 2a above: Street Address: City: Mailing Address (if applicable): City:_ Phone: State: Zip: State: Zip: Fax: ( 1 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project: Other Contact Person/Organization: Signing Official & Title: b. Contact information for person listed in item 3a above: Mailing Address: City: State: Zip: Phone: { ) Fax: ( 1 4. Local jurisdiction for building permits: Alamance County Point of Contact:Tonya Caddle Phone #: (336 ) 5704060 Form SVIU-101 Version Oct. 31, 2013 Page 2 of 6 IV. PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be treated. A portion of the new built -upon area and a portion of the existing built -upon area will be directed to the proposed wet detention pond by a series of existing and proposed storm drains The pond will be designed per the current NCDEQ Stormwater Manual. 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b. If claiming vested rights, identify the regulation(s) the project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the Cape Fear River basin. 4. Total Property Area: 89.50 acres 5. Total Coastal Wetlands Area: 0.00 acres 6. Total Surface Water Area: 0.00 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area+:89.50 acres ' Total project area shall be calculated to exclude the following the normal pool of im pounded structures, the area between the banks of streams and rivers, the area below the Normal High Water (NH1M line or Mean High Water (MHM line, and coastal wetlands landward from the NHW (or MHM line. The resultant project area is used to calculate overall percent built upon area (BLIA). Non -coastal wetlands landward of the NHW (or MHW) line may be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 26.74 % 9. How many drainage areas does the project have?1 (For high density, count 1 for each proposed engineered stormwater BMP. For low density and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information —Drainage Area 1 Drainage Area _ Drains e Area _ Drainage Area _ Receiving Stream Name Big Alamance Creek Stream Class C, NSW Stream Index Number * 16-19-(4.5) Total Drainage Area (so 273992 On -site Drainage Area (so 273992 Off -site Drainage Area (sf) 0 Proposed Impervious Area**(so 169884 % Impervious Area** total 62.00 Impervious— Surface Area Drainage Area Dramage Area _ Drainage Area _ Drainage Area _ On -site Buildings/Lots (so 27398 On -site Streets (sf) 0 On -site Parking (so 85661 On -site Sidewalks (so 18907 Other on -site (so 0 Future (sf) 0 Off -site (so 0 Existing BUA*** (so 37918 Total (so: 169884 * Stream Class and Index Number can be determined at: http.aortal.ncdenr.org web/wq&s/csu/classifccations * Imyervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Form SWU-101 Version Oct. 31, 2013 Page 3 of 6 'Report only that amount of existing BUA that will remain after development. Do not report any existing BUA that is to be removed and which will be replaced by new BUA. 11. How was the off -site impervious area listed above determined? Provide documentation. N/A Projects in Union County: Contact DEMLR Central Office staff to check if the project is located within a Threatened & Endangered Species watershed that may be subject to more stringent stormwater requirements as per 1 SA NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from http://Portal.ncdenr.orit/web/wo/ws/su/bmv-manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from http://portal.ncdenr.org/web/wq[ws/su/statesw/"forms_docs. The complete application package should be submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the interactive online map at htV:11portal.ncdenr.org/web/wq/ws/su/maps.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from http://portal.ncdenr.org/web/wq/ws/su/statesw/forms does. Ini.tials 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants it/ /1- Form. (if required as per Part VII below) 3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M agreement(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to http://www.envhelp.org/pages/onestopexpress.html for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative (one to two pages) describing the stormwater treatment/management 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within Y2 mile of the site boundary, include the mile radius on the map. 7. Sealed, signed and dated calculations (one copy). 8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters, and any coastal wetlands landward of the MHW or NHW lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. 1. Details of roads, drainage features, collection systems, and stormwater control measures. m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a qualified person. Provide documentation of qualifications and identify the person who made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations. o. Drainage areas delineated (included in the main set of plans, not as a separate document). Form SWU-101 Version Oct. 31, 2013 Page 4 of 6 for �— p. Vegetated buffers (where required). 9. Copy of any applicable soils report with the associated S11wr elevations (Please identify elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO: Schedule a site visit for DEMLR to verify the SHWT prior to submittal, (910) 796-7378.) a 10. A copy of the most current property deed. Deed book: 272 Page No: 544 11. For corporations and limited liability corporations (LLC): Provide documentation from the NC Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H.1003(e). The corporation or LLC must be listed as an active corporation in good standing with the NC Secretary of State, otherwise the application will be returned. http:/ /www.secretAU.state.nc.us/Corporations/CSearch.aspx VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from http://portal.ncdenr.org/webAr/state- stormwater-forms dots. Download the latest versions for each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DEMLR, and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer:L. Allan Hill, PE Consulting Firm: Triad Design Group, PC Mailing Address:4807-C Koger Boulevard City:Greensboro State:NC Zip:27407 Phone: (336 ) 218-8282 Fax: (336 ) 218-8010 Email:ahill@triad-designgroup.com IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete this section) 1, (print or type name of person listed in Contact Information, item 2a) , certify that I own the property identified in this permit application, and thus give permission to (print or type name of person listed in Contact Information, item la) with (print or type name of organization listed in Contact Information, item la) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. Form SAT-101 Version Oct. 31, 2013 Page 5 of 6 As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6. Signature: Date: a Notary Public for the State of . County of do hereby certify that before me this day of personally appeared and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, SEAL My commission expires X. APPLICANT'S CERTIFICATION I, (print or type name of person listed in Contact Information, item la) limmu Russell certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormwater rules under 15A NCA,� 2H .1000 and any other applicable state stormwater requirements. Signa Date: (a—.,2—a I, a Notary Public for the State of AJQ /T h (Q r 1;Aa _ County of do hereby certify that p, It' M M U1 C,« I t personally appeared before me this o2 day of �L ) LAflf AAD I and ac owledge the due execution of the application for a stormwater Witness my hand and official seal, �pto7, JD Jblto G ItI111 SEAL My commission expires Form SWU-101 Version Oct. 31, 2013 Page 6 of 6 SUPPLEMENT-EZ COVER PAGE ORMSI.OADLD PROJECT INFORMATION 1 Project Name Southern Alamance High School Additions and Renovations Project Area ac 89.5 Coastal Wetland Area (ac)_ 0 Surface Water Area ac 0 2 3 4 5 Is this project High or Low Density? High 6 Does this project use an off -site SCM? No COMPLIANCE WITH 02H .1003(4) 7 Width of vegetated setbacks provided feet N/A 8 Will the vegetated setback remain vegetated? N/A 9 If BUA is proposed in the setback, does it meet NCAC 02H.1003 4 c-d ? N/A 10 Is streambank stabilization proposed on this project? No NUMBER AND TYPE OF SCMs: 11 Infiltration System Bioretention Cell Wet Pond 12 13 _ _ 1 14 __ Stormwater Wetland 15 Permeable Pavement 16 Sand Filter 17 Rainwater Harvesting RWH lGreen Roof Level Sp reader -Filter StripLS-FS Disconnected Impervious Surface DIS Treatment Swale D Pond StormFilter Silva Cell Bayfilter 1 Filters - --- 18 20 21 F2319 22 24 25 26 FORMS LOADED DESIGNER CERTIFICATION 27 Name and Title: 29 IStreet address: 30 City, State 31 Phone nur 32 Email: L. Allan Hill, PE/Principal _ Triad Design Group PC 4807-C Koger Boulevard _ Greensboro, NC 27407 336-218-8282 Certification Statement - I certify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision; that the information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete, and that the engineering plans, specifications, operation and maintenance agreements and other supporting information are consistent with the information provided here. ♦7 SEAL LLAN 10 44i411M1♦1\\\N\ Signature of Designer 7/Q /?-a 2- Date DRAINAGE AREAS 1 Is this a high density project? Yes 2 _ _ If so, number of drainage areas/SCMs 1 3 Does this project have low density areas? No 4 If so, number of low density drainage areas 0 5 Is all/part of this project subject to previous rule versions? No FORMS LOADED DRAINAGE AREA INFORMATION Entire Site 1 4 Type of SCM Wet Pond Wet Pond 5 Total drainage area (sq ft 3898620 273992 6 Onsite drainage area (sq ft 3898620 273992 7 Offsite drainage area (sq ft 0 0 8 Total BUA in project (sq ft 1042609 sf 169884 sf 9 New BUA on subdivided lots (subject to permitting) (sq ft ; 122055 sf 131966 sf 10 New BUA not on subdivided lots (subject to ermittin s sf f-, .- sf 11 Offsite BUA (sq ft sf 12 Breakdown of new BUA not on subdivided lots: Parking (sq ft sf sf - Sidewalk (sq ft _ Sf _ sf sf - Roofs ft _ Sf Sf _ _ sf sf sf:,,._ Roadway s ft sf Future (sq ft sf Other, please specify in the comment box below (sq ft sf 13 New infiltrating permeable pavement on Isubdivided lots (sq ft sf 14 New infiltrating permeable pavement not on subdivided lots (sq ft sf 15permitting) Existing BUA that will remain (not subject to s ft _ 37918 sf 37918 sf 16 Existing BUA that is already permitted (sq ft sf sf 17 Existing BUA that will be removed (sq ft 205298 sf 82534 sf 18 Percent BUA 27% 62% 19 1 Design storm inches 0 in 1.0 in 20 Design volume of SCM cu ft cf 13883 cf 21 ICalculation method for design volume cf SA/DA ADDITIONAL INFORMATION 22 Please use this space to provide any additional information about the 1drainage area(s): WET POND 1 Drainage area number 1 21 Minimum required treatment volume cu ft 13883 d GENERAL MDC FROM 02H .1050 3 Is the SCM sized to treat the SW from all surfaces at build -out? No 4 Is the SCM located away from contaminated soils? Yes 5 What are the side slopes of the SCM H:V)? :1 6 Does the SCM have retaining walls, gabion walls or other engineered side slopes? No 7 Are the inlets, outlets, and receiving stream protected from erosion 10- ear storm)? Yes 8 Is there an overflow or bypass for inflow volume in excess of the design volume? Yes 9 What is the method for dewatering the SCM for maintenance? Drawdown Orifice 10 If applicable, will the SCM be cleaned out after construction? Yes 11 Does the maintenance access comply with General MDC 8 ? Yes 12 Dces the drainage easement comply with General MDC 9 ? Yes 13 If the SCM is on a single family lot, does (will?) the plat comply with General MDC 10 ? N/A 14 Is there an O&M Agreement that complies with General MDC (11)? Yes 15 Is there an O&M Plan that complies with General MDC 12 ? Yes 161 Does the SCM follow the device specific MDC? Yes 17 Was the SCM designed by an NC licensedprofessional? Yes WET POND MDC FROM 02H .1053 18 Sizing method used SA/DA 19 Has a stage/storage table been provided in the calculations? Yes 20 Elevation of the excavated main pool depth (bottom of sediment 599.00 removal) (fmsl 21 Elevation of the main pool bottom (top of sediment removal) (fmsl) 600.00 221 Elevation of the bottom of the vegetated shelf fmsl 603.50 23 Elevation of the permanent pool (fmsl) 604.00 24 Elevation of the top of the vegetated shelf (fmsl 604.50 25 _ _ Elevation of the temporary of fmsl 605.50 26 Surface area of the main permanent pool (square feet 8172 27 Volume of the main permanent pool cubic feet 22533 cf 28 Average depth of the main pool feet _ 3.48 ft Avera a depth euation used Equation 3 29 301 If using equation 3, main pool perimeter feet 31 If usinga uation 3, width of submerged veg. shelf feet 32 33 Volume of the foreba (cubic feet) Is this 15-20% of the volume in the mainpool? 34 Clean -out depth for foreba inches 35 Design volume of SCM cu ft 36 Is the outlet an orifice or a weir? 371 If orifice, orifice diameter inches m 381 If weir, weir height inches 39 If weir, weir length inches 40 Drawdown time for the temporary pool days 41 Are the inlet(s) and outlet located in a manner that avoids short- circuiting? 42 Are berms or baffles provided to improve the flowpath? 43 De th of fbrebav at entrance inches 441 Depth of forebay at exit inches 45 Does water flow out of the forebay in a non -erosive manner? 46 Width of the vegetated shelf feet 47 Slope of vegetated shelf H: 48 Does the orifice drawdown from below the top surface of the permanent I? 49 Does the pond minimize impacts to the receiving channel from the 1- r, 24-hr storm? 50 Are fountains proposed? (If Y, please provide documentation that MDC 9 is met. 51 1 Is a trash rack or other device provided to protect the outlet system? 52 Are the dam and embankment planted in non -lumping turf grass? 53 S cies of turf that will be used on the dam and embankment 54 Hasa planting plan been provided for the vegetated shelf? ADDITIONAL INFORMATION 55 Please use this space to provide any additional information about th wet pond(): et Pond 8:35 AM 7/2/2021