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Home My WebLink About20140144 Ver 1_Application_20140412P�t I�c��ry Gov�rn�r � � � � � ��ih ��r��ir�� r�� n�ir�r�r��r�� r�� r�� a�� C�ivisior� af Uli�fier Res�urces Tc�rr� Reeder J�hr� �kv�rl�, III Dire�tor �ecr�t�ry Attachmen� L: �ow Impact Bridge Repl�cemer�t Proce�s Low Impact Bridge Projec� Nc�.: �- CountY i°►.�ve�rY Bridge No. 99_ over Trivett Bran�ch WBS Element Numb�r '17BP.'I 1.R.54 This project is subject to the Low Imp�ct Bridg� Process �s �greed t� on C�ctaber 6, 2��9. This proje�t meets the documentatior� r�quirements �r�� ppro�r�i procedures under NEPA, as defined by FHWA, for Low Irnp��tBridge Repl�cerr�ents. This project meets the st�ndards +�f NCDC�T's Minimum Criteria Rules. Date: 2/11 /14 Applicant Name: N�DC)T Applicar�t Rddress. 80'I Statesville Road Narth Wilkesbora, NC 28659 Primary �ontact for Praject: Heath Sl�ughter �r � ' • i � 1 � / Is this an after-the-fact application. Yes �C No River Basin: UVatau�a �tream Classific�tion: C Regulatory Authorization Op#ions for this Acti�rity Federal: USACE Nationwide General Permit 3-- M�in�enance State. General Wa�er Qu�lity Certification #3687 �nd/or Buffer Ru�hariz�tian Lacal: None Praject Descrip#ion — This section shall include a descriptian of the existing and proposed bridges, any stormwater management BMPs utilized to meet difFuse flow or treatment prior to discharge, �xisting and proposed stream/wetlandlopen water impacts, buffer impacts by impact type (ro�d fill, bridging, etc.), drawings of the propased project and impacts. Additional pages may be attached. See email and atta hments. ��T �° Signature: Print Name: He�th Slauqhte Title: Divisian Environmen��l Officer Transpor�a�iQn Permi�tir�g Unit 1650 Mai{ Servi�� C�r��er, f��leigh, North C�rolin� 27�99-i 650 l.oc�tian: �'12 N S�4isbury �t., F��f�igl�> �larth C�ralin� P��ne: 919-70 T-87841 �AX: � 19-i33-12�0 Internef: http:/1�ort�}.�cder�r.orgl�v�b/w� An Equal C�pp�artur�ity ! Affirn��tiv�: ��.tiar Empic��r C�r�� _� � �� . � . (Version 1.2; Released July 2012) 17BP.11.R.54 (Bridge #050099)County(ies):Avery Page 1 of 1 Project Type:Date: Phone:Phone: Email:Email: County(ies): CAMA County? Design/Future:Existing: Surrounding Land Use: Rural Residential390' 500 0.01Project Built-Upon Area (ac.) Proposed Project Existing Site Project Length (lin. Miles or feet): Buffer Rules in Effect Project Description None No None NCDWQ Surface Water Classification for Primary Receiving Water 303(d) Impairments: River Basin(s): Primary Receiving Water: Class C Other Stream Classification: Sungate Design Group, PA City/Town: (919) 859-2243 Hydraulics Unit Address: Banner Elk (919) 707-6726 Avery ac. General Project Narrative:This project involves the replacement of Bridge No. 050099 over Trivett Branch on SR 1310 (Dark Ridge Rd.) in Avery County, NC. The existing bridge, a 1@ 20' timber floor with timber joists, caps, posts, and sills, will be replaced with a 1@60' 21" Cored Slab Bridge with 2'-6" End Bent Caps. Bridge replacement and associated roadway improvements have been designed in a manner to minimize the increase in impervious surface area to the maximum extent possible. Standard 8" x 6" deck drains will be installed along the bridge in locations such that stormwater will not discharge directly into Trivett Branch. Additional stormwater runoff from the bridge deck will be conveyed with a concrete flume to a roadway ditch that will be lined with permanent soil reinforcement matting to stabilize the ditch and protect against erosion. This ditch will drain to the north-western quadrant of the project to an existing 12" corrugated metal pipe. Drainage flowing to the project from the north-eastern quadrant in the existing roadway ditch will be carried to an open ended 24" reinforced concrete pipe through a short section of new ditch that shall be lined with permanent soil reinforcement matting. This drainage will be carried under the proposed roadway through the pipe and will empty onto a rip-rap dissipater pad after which it will drain to Trivett Branch. Drainage flowing in the proposed roadway ditch on the northern side of the road, east of the bridge, will drain to an open ended 15" reinforced concrete pipe which will carry it under the proposed driveway and empty onto a rip-rap dissipater pad. It will then drain to Trivett Branch. The last 35' of ditch shall be lined with permanent soil reinforcement matting to stabilize the ditch and protect against erosion. The existing bridge abutments are located inside the stream banks. These abutments will be removed and the area under the bridge will be excavated to provide at least 2' of clearance for maintenance purposes. The excavated area will be lined with coir fiber matting to protect against erosion. Typical Cross Section Description: References 500 0.07 Average Daily Traffic (veh/hr/day): ac. North Carolina Department of Transportation Highway Stormwater Program STORMWATER MANAGEMENT PLAN FOR LINEAR ROADWAY PROJECTS Randy Henegar, PE Bridge Replacement Raleigh, NC 27699-1590 General Project Information Address: 2/5/2014 915 Jones Franklin Road 1590 Mail Service Center Raleigh, NC 27606 Project/TIP No.: NCDOT Contact: Project No.:17BP.11.R.54 (Bridge #050099) Contractor / Designer: rhenegar@ncdot.gov Watauga 8-22-23-1 jclemmons@sungatedesign.com 18' Wide Paved Roadway: 147 LF 18' Wide Gravel Roadway: 243 LF 14' Wide Gravel Roadway N/A NCDWQ Stream Index No.: Supplemental: None None Primary: Trivett Branch Hand Existing Existing Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel Natural Site Station Structure Fill In Fill In in Clearing in SW SW Impacts Impacts Stream No.(From/To)Size / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp.Design (ac)(ac)(ac)(ac)(ac)(ac)(ac)(ft)(ft)(ft) 11+54 -12+59 -L-STREAMBANK STABILIZATION < 0.01 45 ABUTMENT REMOVAL < 0.01 45 TOTALS*: < 0.01 < 0.01 45 45 0 *Rounded totals are sum of actual impacts NOTES: ATN Revised 3/12/13 SHEET 4 OF 4 NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS 02-05-2014 WETLAND PERMIT IMPACT SUMMARY WETLAND IMPACTS SURFACE WATER IMPACTS AVERY COUNTY BRIDGE 099 ON SR 1310 OVER TRIVETT BRANCH STABILIZATION REQUIREMENTS: Stabilization for this project shall comply with the t ime frame guidelines as specified by the NCG-010000 general construction permit effective August 3, 2011 issued by the North Carolina Department of Environment and Natural Resources Division of Water Quality. Temporary or permanent ground cover stabilization shall occur within 7 calendar days from the last land- disturbing activity, with the following exceptions in which temporary or permanent ground cover shall be provided in 14 calendar days from the last land-disturbing activity: · Slopes between 2:1 and 3:1, with a slope length of 10 ft. or less · Slopes 3:1 or flatter, with a slope of length of 50 ft. or less · Slopes 4:1 or flatter The stabilization timeframe for High Quality Water (HQW) Zones shall be 7 calendar days with no exceptions for slope grades or lengths. High Quality Water Zones (HQW) Zones are defined by North Carolina Administrative Code 15A NCAC 04A.0105 (25). Temporary and permanent ground cover stabilization shall be achieved in accordance with the provisions in this contract and as directed. SEEDING AND MULCHING: (West) The kinds of seed and fertilizer, and the rates of application of seed, fertilizer, and limestone, shall be as stated below. During periods of overlapping dates, the kind of seed to be used shall be determined. All rates are in pounds per acre. Shoulder and Median Areas August 1 - June 1 May 1 - September 1 20# Kentucky Bluegrass 20# Kentucky Bluegrass 75# Hard Fescue 75# Hard Fescue 25# Rye Grain 10# German or Browntop Millet 500# Fertilizer 500# Fertilizer 4000# Limestone 4000# Limestone Areas Beyond the Mowing Pattern, Waste and Borrow Areas: August 1 - June 1 May 1 - September 1 100# Tall Fescue 100# Tall Fescue 15# Kentucky Bluegrass 15# Kentucky Bluegrass 30# Hard Fescue 30# Hard Fescue 25# Rye Grain 10# German or Browntop Millet 500# Fertilizer 500# Fertilizer 4000# Limestone 4000# Limestone Approved Tall Fescue Cultivars 2nd Millennium Duster Magellan Rendition Avenger Endeavor Masterpiece Scorpion Barlexas Escalade Matador Shelby Barlexas II Falcon II, III, IV & V Matador GT Signia Barrera Fidelity Millennium Silverstar Barrington Finesse II Montauk Southern Choice II Biltmore Firebird Mustang 3 Stetson Bingo Focus Olympic Gold Tarheel Bravo Grande II Padre Titan Ltd Cayenne Greenkeeper Paraiso Titanium Chapel Hill Greystone Picasso Tomahawk Chesapeake Inferno Piedmont Tacer Constitution Justice Pure Gold Trooper Chipper Jaguar 3 Prospect Turbo Coronado Kalahari Quest Ultimate Coyote Kentucky 31 Rebel Exeda Watchdog Davinci Kitty Hawk Rebel Sentry Wolfpack Dynasty Kitty Hawk 2000 Regiment II Dominion Lexington Rembrandt Approved Kentucky Bluegrass Cultivars: Alpine Bariris Envicta Rugby Apollo Bedazzled Impact Rugby II Arcadia Bordeaux Kenblue Showcase Arrow Champagne Midnight Sonoma Award Chicago II Midnight II Approved Hard Fescue Cultivars: Chariot Nordic Rhino Warwick Firefly Oxford Scaldis II Heron Reliant II Spartan II Minotaur Reliant IV Stonehenge On cut and fill slopes 2:1 or steeper add 20# Sericea Lespedeza January 1 - December 31. Fertilizer shall be 10-20-20 analysis. A different analysis of fertilizer may be used provided the 1-2-2 ratio is maintained and the rate of application adjusted to provide the same amount of plant food as a 10-20-20 analysis and as directed. TEMPORARY SEEDING: Fertilizer shall be the same analysis as specified for Seeding and Mulching and applied at the rate of 400 pounds and seeded at the rate of 50 pounds per acre. German Millet, or Browntop Millet shall be used in summer months and rye grain during the remainder of the year. The Engineer will determine the exact dates for using each kind of seed. FERTILIZER TOPDRESSING: Fertilizer used for topdressing shall be 16-8-8 grade and shall be applied at the rate of 500 pounds per acre. A different analysis of fertilizer may be used provided the 2-1-1 ratio is maintained and the rate of application adjusted to provide the same amount of plant food as 16-8- 8 analysis and as directed. SUPPLEMENTAL SEEDING: The kinds of seed and proportions shall be the same as specified for Seeding and Mulching, and the rate of application may vary from 25# to 75# per acre. The actual rate per acre will be determined prior to the time of topdressing and the Contractor will be notified in writing of the rate per acre, total quantity needed, and areas on which to apply the supplemental seed. Minimum tillage equipment, consisting of a sod seeder shall be used for incorporating seed into the soil as to prevent disturbance of existing vegetation. A clodbuster (ball and chain) may be used where degree of slope prevents the use of a sod seeder. MOWING: The minimum mowing height on this project shall be six inches. STABILIZATION REQUIREMENTS: Stabilization for this project shall comply with the t ime frame guidelines as specified by the NCG-010000 general construction permit effective August 3, 2011 issued by the North Carolina Department of Environment and Natural Resources Division of Water Quality. Temporary or permanent ground cover stabilization shall occur within 7 calendar days from the last land- disturbing activity, with the following exceptions in which temporary or permanent ground cover shall be provided in 14 calendar days from the last land-disturbing activity: · Slopes between 2:1 and 3:1, with a slope length of 10 ft. or less · Slopes 3:1 or flatter, with a slope of length of 50 ft. or less · Slopes 4:1 or flatter The stabilization timeframe for High Quality Water (HQW) Zones shall be 7 calendar days with no exceptions for slope grades or lengths. High Quality Water Zones (HQW) Zones are defined by North Carolina Administrative Code 15A NCAC 04A.0105 (25). Temporary and permanent ground cover stabilization shall be achieved in accordance with the provisions in this contract and as directed. NATIVE GRASS SEEDING AND MULCHING: (West) Native Grass Seeding and Mulching shall be performed on the disturbed areas of wetlands and riparian areas, and adjacent to Stream Relocation and/or trout stream construction within a 50 foot zone on both sides of the stream or depression, measured from top of stream bank or center of depression. The stream bank of the stream relocation shall be seeded by a method that does not alter the typical cross section of the stream bank. Native Grass Seeding and Mulching shall also be performed in the permanent soil reinforcement mat section of preformed scour holes, and in other areas as directed. The kinds of seed and fertilizer, and the rates of application of seed, fertilizer, and limestone, shall be as stated below. During periods of overlapping dates, the kind of seed to be used shall be determined. All rates are in pounds per acre. August 1 - June 1 May 1 – September 1 18# Creeping Red Fescue 18# Creeping Red Fescue 8# Big Bluestem 8# Big Bluestem 6# Indiangrass 6# Indiangrass 4# Switchgrass 4# Switchgrass 35# Rye Grain 25# German or Browntop Millet 500# Fertilizer 500# Fertilizer 4000# Limestone 4000 Limestone Approved Creeping Red Fescue Cultivars: Aberdeen Boreal Epic Cindy Lou Fertilizer shall be 10-20-20 analysis. A different analysis of fertilizer may be used provided the 1-2-2 ratio is maintained and the rate of application adjusted to provide the same amount of plant food as a 10-20-20 analysis and as directed. Temporary Seeding Fertilizer shall be the same analysis as specified for Seeding and Mulching and applied at the rate of 400 pounds and seeded at the rate of 50 pounds per acre. German Millet or Browntop Millet shall be used in summer months and rye grain during the remainder of the year. The Engineer will determine the exact dates for using each kind of seed. Fertilizer Topdressing Fertilizer used for topdressing shall be 16-8-8 grade and shall be applied at the rate of 500 pounds per acre. A different analysis of fertilizer may be used provided the 2-1-1 ratio is maintained and the rate of application adjusted to provide the same amount of plant food as 16-8- 8 analysis and as directed. Supplemental Seeding The kinds of seed and proportions shall be the same as specified for Seeding and Mulching, and the rate of application may vary from 25# to 75# per acre. The actual rate per acre will be determined prior to the time of topdressing and the Contractor will be notified in writing of the rate per acre, total quantity needed, and areas on which to apply the supplemental seed. Minimum tillage equipment, consisting of a sod seeder shall be used for incorporating seed into the soil as to prevent disturbance of existing vegetation. A clodbuster (ball and chain) may be used where degree of slope prevents the use of a sod seeder. Mowing The minimum mowing height shall be 6 inches. Measurement and Payment Native Grass Seeding and Mulching will be measured and paid for in accordance with Article 1660-8 of the Standard Specifications. LAWN TYPE APPEARANCE: All areas adjacent to lawns must be hand finished as directed to give a lawn type appearance. Remove all trash, debris, and stones ¾" and larger in diameter or other obstructions that could interfere with providing a smooth lawn type appearance. These areas shall be reseeded to match their original vegetative conditions, unless directed otherwise by the Field Operations Engineer. MINIMIZE REMOVAL OF VEGETATION: The Contractor shall minimize removal of vegetation at stream banks and disturbed areas within the project limits as directed. 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. WASTE AND BORROW SOURCES: 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 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: http://www.ncdot.gov/doh/operations/dp_chief_eng/roadside/fieldops/downloads/Files/Contracte dReclamationProcedures.pdf All forms and documents referenced in the “Borrow and Waste Site Reclamation Procedures for Contracted Projects” shall be included with the reclamation plans for offsite staging areas, and borrow and waste sites. TEMPORARY DIVERSION: This work consists of installation, maintenance, and cleanout of Temporary Diversions in accordance with Section 1630 of the Standard Specifications. The quantity of excavation for installation and cleanout will be measured and paid for as Silt Excavation in accordance with Article 1630-4 of the Standard Specifications. 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. 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. 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. The Contractor shall be required to maintain the safet y 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)(3)(d) 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 Pay Unit Safety Fence Linear Foot PERMANENT SOIL REINFORCEMENT MAT: Description This work consists of furnishing and placing Permanent Soil Reinforcement Mat, of the type specified, over previously prepared areas as directed. Materials The product shall be a permanent erosion control reinforcement mat and shall be constructed of synthetic or a combination of coconut and synthetic fibers evenly distributed throughout the mat between a bottom UV stabilized netting and a heavy duty UV stabilized top net. The matting shall be stitched together with UV stabilized polypropylene thread to form a permanent three-dimensional structure. The mat shall have the following minimum physical properties: Property Test Method Value Unit Light Penetration ASTM D6567 9 % Thickness ASTM D6525 0.40 in Mass Per Unit Area ASTM D6566 0.55 lb/sy Tensile Strength ASTM D6818 385 lb/ft Elongation (Maximum) ASTM D6818 49 % Resiliency ASTM D1777 >70 % UV Stability * ASTM D4355 >80 % Porosity (Permanent Net) ECTC Guidelines >85 % Maximum Permissible Shear Stress (Vegetated) Performance Bench Test >8.0 lb/ft2 Maximum Allowable Velocity (Vegetated) Performance Bench Test >16.0 ft/s *ASTM D1682 Tensile Strength and % strength retention of material after 1000 hours of exposure. Submit a certification (Type 1, 2, or 3) from the manufacturer showing: (A) the chemical and physical properties of the mat used, and (B) conformance of the mat with this specification. Construction Methods Matting shall be installed in accordance with Subarticle 1631-3(B) of the Standard Specifications. All areas to be protected with the mat shall be brought to final grade and seeded in accordance with Section 1660 of the Standard Specifications. The surface of the soil shall be smooth, firm, stable and free of rocks, clods, roots or other obstructions that would prevent the mat from lying in direct contact with the soil surface. Areas where the mat is to be placed will not need to be mulched. Measurement and Payment Permanent Soil Reinforcement Mat will be measured and paid for as the actual number of square yards measured along the surface of the ground over which Permanent Soil Reinforcement Mat is installed and accepted. Overlaps will not be included in the measurement, and will be considered as incidental to the work. Such payment shall be full compensation for furnishing and installing the mat, including overlaps, and for all required maintenance. Payment will be made under: Pay Item Pay Unit Permanent Soil Reinforcement Mat Square Yard WATTLES WITH POLYACRYLAMIDE (PAM): Description 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. 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 Environment and Natural Resources (NCDENR) Division of Water Quality (DWQ) 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 accumulat ions 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 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 Pay Unit Polyacrylamide(PAM) Pound Wattle Linear Foot COIR FIBER WATTLE BARRIER: Description Coir Fiber Wattle Barriers are tubular products consisting of coir fibers (coconut fibers) encased in coir fiber netting and used at toe of fills or on slopes to intercept runoff. Coir Fiber Wattle Barriers 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, maintenance and removing Coir Fiber Wattle Barriers. Materials Coir Fiber Wattle shall meet the following specifications: 100% Coir (Coconut) Fibers Minimum Diameter Minimum Length 12 in. 10 ft. Minimum Density 3.5 lb/ft3 +/- 10% Net Material Coir Fiber Net Openings 2 in. x 2 in. Net Strength 90 lbs. Minimum Weight 2.6 lbs./ft +/- 10% 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. 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 Coir Fiber Wattle Barriers shall be aligned in an overlapping and alternating pattern. A trench shall be excavated the entire length of each coir fiber wattle with a depth of 1 to 2 inches for the wattle to be placed. Coir Fiber Wattle Barriers shall be secured to the soil by wire staples approximately every 1 linear foot and at the end of each wattle. A minimum of 4 stakes shall be installed on the downslope side of the wattle with a maximum spacing of 2 linear feet, and according to the detail. Install a minimum of 2 stakes on the upslope side of the Coir Fiber Wattle Barrier 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. Coir Fiber Wattle Barriers used to reduce runoff velocit y for large slopes, use a maximum spacing of 20 ft. for the barrier measured along the slope. The Contractor shall maintain the Coir Fiber Wattle Barriers until the project is accepted or until the Coir Fiber Wattle Barriers are removed, and shall remove and dispose of silt accumulations at the Coir Fiber Wattle Barriers when so directed in accordance with the requirements of Section 1630 of the Standard Specifications. Measurement and Payment Coir Fiber Wattle Barrier will be measured and paid for by the actual number of linear feet of Coir Fiber Wattle Barriers which are installed and accepted. 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 install the Coir Fiber Wattle Barrier. Payment will be made under: Pay Item Pay Unit Coir Fiber Wattle Linear Foot 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 section 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 Environment and Natural Resources (NCDENR) Division of Water Quality (DWQ) web site as an approved PAM product for use in North Carolina. Construction Methods Temporary Rock Silt Checks Type A shall be installed in accordance with Section 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 3.5 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 section 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 section 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 Pay Unit Polyacrylamide(PAM) Pound IMPERVIOUS DIKE: Description This work consists of furnishing, installing, maintaining, and removing an Impervious Dike for the purpose of diverting normal stream flow around the construction site. The Contractor shall construct an impervious dike in such a manner approved by the Engineer. The impervious dike shall not permit seepage of water into the construction site or contribute to siltation of the stream. The impervious dike shall be constructed of an acceptable material in the locations noted on the plans or as directed. Materials Acceptable materials shall include but not be limited to sheet piles, sandbags, and/or the placement of an acceptable size stone lined with polypropylene or other impervious geotextile. Earth material shall not be used to construct an impervious dike when it is in direct contact with the stream unless vegetation can be established before contact with the stream takes place. Measurement and Payment Impervious Dike will be measured and paid as the actual number of linear feet of impervious dike(s) constructed, measured in place from end to end of each separate installation that has been completed and accepted. Such price and payment will be full compensation for all work including but not limited to furnishing materials, construction, maintenance, and removal of the impervious dike. Payment will be made under: Pay Item Pay Unit Impervious Dike Linear Foot 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 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 P�t I�c��ry Gov�rn�r � � � � � ��ih ��r��ir�� r�� n�ir�r�r��r�� r�� r�� a�� C�ivisior� af Uli�fier Res�urces Tc�rr� Reeder J�hr� �kv�rl�, III Dire�tor �ecr�t�ry Attachmen� L: �ow Impact Bridge Repl�cemer�t Proce�s Low Impact Bridge Projec� Nc�.: �- CountY i°►.�ve�rY Bridge No. 99_ over Trivett Bran�ch WBS Element Numb�r '17BP.'I 1.R.54 This project is subject to the Low Imp�ct Bridg� Process �s �greed t� on C�ctaber 6, 2��9. This proje�t meets the documentatior� r�quirements �r�� ppro�r�i procedures under NEPA, as defined by FHWA, for Low Irnp��tBridge Repl�cerr�ents. This project meets the st�ndards +�f NCDC�T's Minimum Criteria Rules. Date: 2/11 /14 Applicant Name: N�DC)T Applicar�t Rddress. 80'I Statesville Road Narth Wilkesbora, NC 28659 Primary �ontact for Praject: Heath Sl�ughter �r � ' • i � 1 � / Is this an after-the-fact application. Yes �C No River Basin: UVatau�a �tream Classific�tion: C Regulatory Authorization Op#ions for this Acti�rity Federal: USACE Nationwide General Permit 3-- M�in�enance State. General Wa�er Qu�lity Certification #3687 �nd/or Buffer Ru�hariz�tian Lacal: None Praject Descrip#ion — This section shall include a descriptian of the existing and proposed bridges, any stormwater management BMPs utilized to meet difFuse flow or treatment prior to discharge, �xisting and proposed stream/wetlandlopen water impacts, buffer impacts by impact type (ro�d fill, bridging, etc.), drawings of the propased project and impacts. Additional pages may be attached. See email and atta hments. ��T �° Signature: Print Name: He�th Slauqhte Title: Divisian Environmen��l Officer Transpor�a�iQn Permi�tir�g Unit 1650 Mai{ Servi�� C�r��er, f��leigh, North C�rolin� 27�99-i 650 l.oc�tian: �'12 N S�4isbury �t., F��f�igl�> �larth C�ralin� P��ne: 919-70 T-87841 �AX: � 19-i33-12�0 Internef: http:/1�ort�}.�cder�r.orgl�v�b/w� An Equal C�pp�artur�ity ! Affirn��tiv�: ��.tiar Empic��r C�r�� _� � �� . � . ProJecf Tr'nalcing No. (lriterna! UseJ � 11-OS-0134 ' i NO PREHISTORIC OR HISTORIC PROPERTIE5 I PRESENT/AFFECTED FORM PROJECT INFORMATION Project No: Str. 050099 Cou�sqr Avery WBSNo: 17BP.11.R.4 Docurnent: PCE or Minimum Cnteria Checklist F.A. No. N/A Fundin� � State ❑ Pederal Federal (USACE) Permit Reguired? � Yes ❑ No Permzt Type: NWP3 or NWP 14 Project De,rcrzption: Replace Bridge No. 99 over Creek on SR 1310. SUMMAl2Y OF FINDINGS The North Carolina Departnzent of Transportafion (NCDOT) reviewed the subject project and determined: NisCOric Architecture/Landscapes � There are no National Register-listed or Study Listed properties within the projecYs area of potential efFects. � Tl�ere are no properties less thai� fifty years old which are considered to meet Criteria Consideration G within the projecYs area of potential effects. ❑ There are no properties within the project's area of potential effects. � There are properties over fifty years old within the area of potential effects, but they do not meet the criteria for listing on the National Register. � All properties greater than 50 years of age located in tl�e APE have been considered and all compliance for historic architecture with Section 106 of tl�e National Historic PreservaTion Act and GS 12}-12(a) has been completed for this project. � There are no historic properties present or affected by this project (Attach arry �sotes or documents as needec� ..No Hisroric Properries Po�eserrY' Imni Jm� Minar77�arispartmimr Pro�eaix �v Oual feJ in the 10lU ProKranirriolic Agreim�enl. NCDO7'Arahoealagy R� FfL��ioric Arctilieohve Gruvp.r SUMMARY OF CULTURAL RESOURCES REVIEW Briefdescription ofreview netivrXies, results ofreview, and concleesiazs: Review of HPO quad maps, HPO GIS infonnation, historic designations roster, and indexes was unde�taken on September 12, 20 L 1. Basecl on this review, there are no existing NR, SL, LD, DE, or SS properties in the Area of Potential E�ffects. Based on HPO quad maps and NC One Map Aerial, there appear to be sevcral outbuildings within the APE, and Avery County GIS/Tax information indicate one house was built in 1934. A survey is required to assess if tliese structures are NR eligible and effects if eligible. A survey was conducted on November 1, 2011. NoRh of the bridge is 2500 Dark Ridge Road (PIN 1921- 00-95-3909), a one-story, cross-gable frame dwelling constructed in 1939. The l�ouse has been heavily altered with replacement weatl�erboards, replacement windows, and a gable-roof porch addition on the soulheast side ofthe house. Several metal and vinyl-sided sheds are south oFthe main house. The complex lacks architectural and historic integriry and is not eligible for National ReQister listing. Northwest of the house is 2520 Dark Ridge Road, a one-story house built in 1971. '1'hc vinyl-sided house is not historia ln addition, Bridge No. 99 is not National Register EI igible based on the NCDOT Historic Bridge Inventory. There are no historic properties present. If design plans change or additional APE is needed, additional rcview will be required. SUPPORT DOCU1ViENTATION See attached: Maps, Photos. Signed: Culhiral Resources Specialist, NCDOT •.Nn Hi.rmric' Propvriiea Yrevem"(nvn forblrnw'Trnnspm�mtinn Prnjecn nr O�ml�fird in ihe 3007Yrngrurnmane dgreement. NCDOT Ar��boeoln� y R� HFVUric Arc�hiiecaox Gruupc 2 Date U � � W � �� L � O O � / � .� ;�' �:�_ t `-• �� s , � .. ,�„-;: �, s �; � a� , -, 4 2 s. -+N . F -' . p, A c�' ... �. k V ,��,,, _ ,, _ ¢ � �. - + .Y � ..�-�� s �in y>- .F -t T! '" + . _ �' � x., �',. T, Y :f.�. � ..� � 4Ya 1��,�Y .�'�1►�..��ti � �i �' � y.Y `Ri & R .. + . � �s��+,4 �.=�^!tio � �� Yn ,;,.,`� �.: � y '.� . t �i F � +�. r'� -> }�" Y,` #"°� � . , � ,� � x +�'... r,r ,, ,�A� ��i 1h., > � . a� `iL � � .�"�* a:, �1�•,y6� �� 4 � �M�..-.�iC �g� a�y�,�AT.��.._�. � .4 �. � `d � - -�� I'= ��'� ' � � y¢�.j x �' r . j�'�c ! S0` . : �v ry •, R'r > r. � .. r.. '" n�l 3• . .. F . . y5 �WJ W'�� 'A �,. i � �i� t ._ � y . • 9P' rT .... ��r' , .S� .� i.y�y�� '�- 't4a� � . �,E-, .i > # �_ _ _ .x T, .�i �y.��` �� . .,r,- ��.. v"'. ,; � � �► i �+. , , _ . �,. ��'_". s� ; �; 'M' �� 4 '� , ... ti � . .. +a�.r' ' � E � � y � 3 �.�'�. . �. �,�� '� � a�._� r �:� �� , .� 4_ '� � � N -Y P�• � T !1. , t ` � . "�� r.. ,: � �, � : �y � ' �- ` �L�� W ��r� • M �.: � 1�'"Yk .;� �. �.A�, �. . � +u�r p (�t� ��" . � .!. �� #... i r .�,: � . '.;�r 3� � ) � y � �% .v '65 4 MtiPli.' ,yy� . * � 7E. -;'�['��s�: '-�ir �'"'}';..� P� �� p�' ' �t °T' W� �� <f �� Y" *, F �+�F-'+�:"Ar , ^�r.,,;, .� ' x` .:�' Yk:: � � t j r, " �y ��, , �(r ,._�� [ ��+'r.R = �' . . � �^ � .y� .. � 4 "+ . *'. . 1 � u : � �'� .: 1u'.. .d�fi^'-- . o� �R I� �y�i �Ny aL'1� � ♦ � e 4 _ � _s''�p �� ` .. ,i•. F•. � _ 4 �f .' � '�� f . 'P3 \ � 4 ;{ ' E V � . , �� _-- ,�... tF�(� �..�.\ � . ^ �}'... . •��'ir1.u-: . � . . .,� � � r~ p � ' • �•� � ��,�- � � � r '�s �_.� .s` ° .� �.��• \y,., a�j, y , .- - . p�, .� �� ,.. . " `��-- �€ � �g�y� F.�L.. `� ' � �� 'ey� e1f:.i�.G� ' �� ...�P .._ti � V a- � 1 �� ,� O � VI _R'Y.. � ��-� O � � _ .r Z '�� ' � � � m f-1 4 y- -`d : .� � . ^�� b. M1� ��'-'• '��': a� � �" . �-. -( ...�. �� _ �� t d'.. _ . �i . �c� -'il� -� e.� _ � t � vY.. ,.* �r�:�� - � ` ��,:n . ; ,� : '� �,�. ;ti�E � �. ; _ � �. 1 Q � � �N 0 N F � m �� - � �, :; :� _ :� :� J �° � � � Bridge No. 99. looking Northwest Driveway to 2500 Dark Ridgc Road to right. Outbuildings �a�� be seen north of brid�e. 25U0 llark Rid�e Road, lookin; northwcsi. "Nn Htrmiio ProperlresYr'esent"fomi Jar MlriorTranspmmdmi Projecl.v a.r Q�ealified 'ni Ihe 1007 Progranmmric Agreemvnt NCDOYArahuenlnpy & Hlsmrfu Ar<hHeclm�e Grmips 2520 Dark Ridge Road, looking north. "No Hismne Properllee Prevevl "f uni for (dnior Trancpnrmllon A'uj¢cla' as OvaliJied in Ihe 2007 Prograrrimatic Agraemerzt. NCUOYArchneology & Ifislorie Arciritertare Grnvps Rr�ject Traelring Na (lnter rral [Tse) ll-08-0134 NO SURVEY REQUIRED FORM PROJECT INFORMATION Pro 'ect Na Count . Avery WBS Na 17BP.11.R.4 Document.• PCE F.A. Na Funding. � State ❑ Federal Federal (IlSACE� Permit � Yes ❑ No Permit Nationwide Required.a Type. Proiect Descri�tion Replace Bridge 99 on SR 1310 over Trivett Branch. No design plans provided. Replace bridge in-place with an off-site detour. Area of Potential Effects (A.P.E.) is 23 meters (75 ft.) on either side of the road and 91 meters (300 ft.) on either side of the bridge. Project is State-fundecl, Federal permits will be required, and temporary easements will be required. SUMMARY OF CULTURAL RESOURCES REVIEW Briefdescri�tion ofreview activities, results ofreview, and conclusions• Review included examination of topographic map, and listings of previously recorded sites, previous archaeological surveys, and previous environmental reviews at the Office of State Archaeology. Topographic map (Elk Park, N.C.-Tenn.) shows landforms with a low potential for archaeological sites on both sides of the bridge. The bridge is over a small stream in a narrow valley with steep walls. There are no previously recorded archaeological sites in the vicinity, the A.Y.E. has not been previously surveyed for archaeological sites, and the A.P.E. has not been included in any previous environmental reviews. Brief Ex�nlanatron of whp the available information provides a reliable basis for reasonabl�predictin�- that there are no unidentified historic pro�erties in the APE: The review indicates the A.P.E. has a low potential for archaeological sites. The landforms next to the existing bridge are steep slopes. SUPPORT DOCUMENTATION �Map(s), �Previous Survey Info, ❑Photos, ❑Correspondence, ❑Notes FINDING BY NCDOT CULTURAL RESOURCES PROFESSIONAL NO SURVEY REQUIRED �Archaeology Caleb Smith NCDOT Cultural Resources Specialist ❑Historic Architecture 9/29/2011 Date `No Sm�vey Reguired "form fo�� Minoi• Trnnsportation Projects as Qrualifed i�a the 2007 Progran�matic Agreen�ent. 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