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HomeMy WebLinkAbout1902824120131-01102014S E D I M E N T C 0 N T R 0 L P R A C T I C E S: E R 0 S 1 0 N P R E V E N T 1 0 N P R A C T I C E S: 1. Implement sediment control practices in order to minimize sediment from 1. Delineate the location of areas not to be disturbed (e.g. with flags, entering surface waters, including curb and gutter systems and storm If necessary, clean the wheels of construction vehicles in order to remove stakes, signs, silt fence, etc.) on the development site before work drain inlets. soils before the vehicles leave the construction site. Wash vehicles only begins. 2. Install all temporary or permanent sediment control measures including 2. Avoid removal of trees and surface vegetation wherever possible. silt fence at perimeter of construction, rock construction entrances, trapping device. Schedule construction in order to expose the smallest practical area of sediment filters, silt sacks, and sedimentation basins 91ju to beginning Remove all soils and sediments tracked or otherwise deposited onto soil at any given time. Implement appropriate construction phasing, site clearing, grading, or other land -disturbing activity. adjacent property, pavement areas, sidewalks, streets, and alleys. Removal shall be on a Ac* basis throughout the duration of the vegetative buffer strips, horizontal slope grading, and other construction 3. Establish sediment control practices on all down gradient perimeters construction. Clean paved roadways by shoveling or wet -sweeping. Do practices that minimize erosion. before any up gradient land disturbing activities begin. These practices 3. Following initial soil disturbance or redisturbonce, complete permanent or must remain in place until final stabilization has been established. compacted sediment material prior to sweeping. Haul sediment material temporary stabilization against erosion due to rain, wind, and running 4. The timing of the i installation of sediment control practices may be to a suitable disposal area. Street washing is allowed only after water as soon as possible, but in no case later than 14 calendar days, on all disturbed or graded areas including stormwater management pond adjusted in order taccommodate short-term activities, but sediment sediment has been removed by shoveling or sweeping. This requirement does not apply to those areas that are control practices must be installed before the next precipitation event Remove all temporary sediment control devices. curreopes. currently being used for material storage or for those areas on which even if the short-term activity is not complete. Soil Stockpiles: Install siltfence or other effective sediment controls grading, site building, or other construction activities are actively 5. If the down gradient treatment system becomes overloaded, install around all temporary soil stockpiles. Locate soil or dirt stockpiles such underway. additional up gradient sediment control practices or redundant BMPs in 4. Provide temporary grass seed cover on all topsoil stockpiles and other order to eliminate the overloading. the toe of the pile to a surface water, including stormwater conveyances areas of stockpiled excavated material in order to prevent soil erosion such as curb and gutter systems, or conduits and ditches unless there is and rapid runoff during the construction period. Prolonged periods of 6. Before beginning construction, install a TEMPORARY ROCK CONSTRUCTION n a bypass in place for the stormwater. If remaining for more than 7 open, bare earth without grass cover will not be permitted. Stabilize all ENTRANCE each point where vehicles exit the construction site. Use days, stabilize the stockpiles by mulching, vegetative cover, tarps, or disturbed greenspace areas with a minimum of 4 topsoil immediately 25 mm (1 inch) to 50 mm (2 inch) diameter rock, MNDOT Standard other means. During street repair, cover construction soil or dirt after final s completion. Seed and mulch, or sod and stake Specification 3137 CA-1, CA -2, CA -3, or equal Coarse Aggregate. Place stockpiles located closer than 8 m (25 feet) to a roadway or drainage whine these areas within 48 hours after completion of final grading work the aggregate in a layer at least 152 mm (6 inches) thick across the channel with tarps, and protect storm sewer inlets with silt sacks or (weather permitting). entire width of the entrance. Extend the rock entrance at least 15 m staked siltfence. 2. Topsoil: Topsoil used for finish grading of areas to be turfed or planted (50 feet) into the construction zone. Use a MNDOT Standard 5. Stabilize all disturbed areas to be paved using early application of gravel Specification 3733 Type V permeable geotextile fabric material beneath the Silt Fence: Install silt fence along the contour (on a level horizontal base. aggregate in order to prevent migration of soil into the rock from below. plane) with the ends turned up (J -hooks) in order to help pond water be reasonably free of subsoil, heavy clay, coarse sand, stones, and other Maintain the entrance in a condition that will prevent tracking or flowing 6. Apply necessary moisture to the construction area in order to prevent the of sediment onto paved roadways. Provide periodic top dressing with posts. Provide a post spacing of 1.2 m (4 feet) or less. Drive posts spread of dust. P 0 L L U T 1 0 N P R E V E N T 1 0 N M E A S U R E S: 1. Solid Waste: Dispose of collected sediment, asphalt and concrete millings, floating debris, paper, plastic, fabric, construction and demolition debris, and other wastes properly off-site in compliance with Minnesota Pollution Control Agency requirements. 2. Hazardous Materials: Properly store oil, gasoline, paint and any hazardous substances in order to prevent spills, leaks or other discharge. Include secondary containment. Restrict access to storage areas in order to prevent vandalism. Storage and disposal of hazardous materials must be in compliance with MPCA regulations. 3. Other Materials: Dispose of unused building materials, garbage, trash, cleaning wastes, toxic materials, and wastewater properly off-site and in compliance with Minnesota Pollution Control Agency disposal requirements. 4. Furnish suitable trash containers and regularly remove the accumulated trash from the premises. 5. Do not allow solid waste, hazardous materials, and other materials shall to be carried by runoff into a receiving water or storm sewer system. 6. Limit external washing of trucks and other construction vehicles to a defined area of the site. Wash vehicles only on an area stabilized with stone that drains into an approved sediment trapping device. Contain runoff and properly dispose of waste. Engine degreasing is prohibited. 7. Concrete Washout Operations: Contain all liquid and solid wastes generated by concrete washout operations in a leak -proof containment facility or impermeable liner. Do not allow the liquid and solid wastes to contact the ground. Prevent runoff from the concrete washout operations or areas. Dispose of liquid and solid wastes properly in compliance with Minnesota Pollution Control Agency regulations. Install a sign adjacent to each washout facility in order to inform concrete equipment operators to utilize the proper facilities. 8. Sanitary and Septic Waste: Furnish and install detached portable toilet facilities at the construction site. The portable toilets shall be conveniently located for the use of all workers on the project. Maintain the facilities in a clean, dry, sanitary condition in accordance with Minnesota Department of Health requirements. S 0 1 L S T A B I L I Z A T 1 0 N: 1. Water and maintain seeded or sodded areas on a timely day-to-day basis. In the event of a seeding failure, reseed and remulch the areas where the original seed has failed to grow and perform additional watering as necessary at no additional cost to the Owner. Promptly replace all sod that dries out to the point where it is presumed dead and all sod that has been damaged, displaced, weakened, or heavily infested with weeds at no additional cost to the Owner. 2. In areas to be permanently stabilized, landscape with decorative rock, plantings, and sod (refer to Landscape Plan for design and details). SAN INV.=873 yp Amar P10 F110 nm. 10 0 10 20 or sediment control measures deemed necessary by the City or Watershed Paas, = me sNos to NInIOR s rpm District within 24 hours of notification. N11111211 PNstia W M FW N swt SILT FENCE Nr1ST11L1Ai10N SCALE IN FEET # 13-698 T. , R. , S. DRAWING: \\SERVER\Projects\2013\#13-698 5513 Oaklawn (Great Neighborhood Homes)\13698E10.dwg LAYOUT: E1 30 24 -OM HIGH CUT-OFF DIKE VM(M1M MAISIDES11 OF 1WANM DWACM S IED ROCI(, MNDOT STANDARD SPECIFICATION 3137 OR ��1 CM3 COARSE AGIGREOME K EY: EXISTING RUNOFF FLOW DIRECTION -�- PROPOSED RUNOFF FLOW DIRECTION - - -- -- EXISTING CONTOUR PROPOSED CONTOUR (SNA) PROPOSED SPOT ELEVATION T CONSTRUCTION SEQUENCE additional stone as required. Close entrances not protected by temporary Delineate the location of areas not to be disturbed (e.g. with flags, rock construction entrances to all construction traffic. 7. If necessary, clean the wheels of construction vehicles in order to remove M A T E R I A L S soils before the vehicles leave the construction site. Wash vehicles only Install all perimeter sediment control devices and construction entrances. on an area stabilized with stone that drains into an approved sediment 1. Storm Sewer Inlet Protection: The following are approved inlet sediment 3 trapping device. control devices: 8. Remove all soils and sediments tracked or otherwise deposited onto a. Road Drain Top Slab Model RD 23 (fits rough opening for 2'x3' inlet), 4 adjacent property, pavement areas, sidewalks, streets, and alleys. Removal shall be on a Ac* basis throughout the duration of the Road Drain Top Slab Model RD 27 (fits rough opening for 27" inlet), Rough grade the site. construction. Clean paved roadways by shoveling or wet -sweeping. Do or Road Drain Top Slab Model CG 3067 (fits Neenah Casting with 7 not dry sweep. If necessary, scrape paved surfaces in order to loosen 35-1/4"x17-3/4" dimensions) manufactured by WIMCO, 799 Theis Install lawn and landscape. compacted sediment material prior to sweeping. Haul sediment material Drive, Shakopee, MN, 55379, Phone (952) 233-3055. 10 to a suitable disposal area. Street washing is allowed only after After all disturbed areas are stabilized, obtain approval from the City sediment has been removed by shoveling or sweeping. b. Silt Sack: Regular flow (40 gal/min/sq. ft). Average width strength 12 Remove all temporary sediment control devices. equal to 165.0 lbs/in, ASTM D-4884. Rectangular siltsack on 9. Soil Stockpiles: Install siltfence or other effective sediment controls rectangular inlets. Round siltsock on round inlets. Use ACF around all temporary soil stockpiles. Locate soil or dirt stockpiles such Environmental, Inc., 2831 Cardwell Road, Richmond, VA 23234, Phone that the downslope drainage length is no less than 8 m (25 feet) from (800) 448-3636, or approved equal. the toe of the pile to a surface water, including stormwater conveyances such as curb and gutter systems, or conduits and ditches unless there is c. InfraSafe Sediment Control Barrier. Install geotextile sock on the a bypass in place for the stormwater. If remaining for more than 7 outside of the barrier in order to trap additional fines. Standard days, stabilize the stockpiles by mulching, vegetative cover, tarps, or frames are available to fit 24" to 30" diameter and 2'x3' openings. other means. During street repair, cover construction soil or dirt Distributed by ROYAL ENTERPRISES AMERICA, 30622 Forest Boulevard, stockpiles located closer than 8 m (25 feet) to a roadway or drainage Stacy, MN, 55079, Phone (651) 462-2130. channel with tarps, and protect storm sewer inlets with silt sacks or staked siltfence. 2. Topsoil: Topsoil used for finish grading of areas to be turfed or planted shall meet the requirements of MNDOT Standard Specification 3877 for 10. Silt Fence: Install silt fence along the contour (on a level horizontal topsoil borrow modified to contain no more than 35% sand. Topsoil shall plane) with the ends turned up (J -hooks) in order to help pond water be reasonably free of subsoil, heavy clay, coarse sand, stones, and other behind the fence. Install the silt fence on the uphill side of the support objects over 51 mm (2 inches) in diameter; and without plants, roots, posts. Provide a post spacing of 1.2 m (4 feet) or less. Drive posts sticks, and other objectionable material. at least 0.6 m (2 feet) into the ground. Anchor the silt fence fabric in a trench at least 152 mm (6 inches) deep and 152 mm (6 inches) wide 3. Geotextile Fabric for Subgrade Stabilization (if required): MNDOT Standard dug on the upslope side of the support posts. Lay the fabric in the Specification 3733 Type V permeable geotextile material. trench and then backfill and compact with a vibratory plate compactor. Make any splices in the fabric at a fence post. At splices, overlap the 4. Supporting Posts for Siltfence: 51 mm (2 inch) square or larger fabric at least 152 mm (6 inches), fold it over, and securely fasten it to hardwood, pine, or standard T- or U -section steel posts. T- or the fence post. Silt fence supporting posts shall be 51 mm (2 inch) U -section steel posts shall weigh not less than 1.8602 kg per meter square or larger hardwood, pine, or standard T- or U -section steel (1.25 Ib per lineal foot). Posts shall have a minimum length of 1524 posts. T- or U -section steel posts shall weigh not less than 1.8602 kg mm (5 feet). Posts shall have projections to facilitate fastening the per meter (1.25 Ib per lineal foot). Posts shall have a minimum length fabric and prevent slippage. of 1524 mm (5 feet). Posts shall have projections to facilitate fastening the fabric and prevent slippage. Geotextile fabric shall meet the 5. Siltfence Fabric: MNDOT Standard Specification 3886 self supporting silt requirements of MNDOT Standard Specification 3886 for preassembled silt fence. Furnish in a continuous roll in order to avoid splices. Geotextile fence, furnished in a continuous roll in order to avoid splices. Geotextile fabric shall be uniform in texture and appearance and have no defects, fabric shall be uniform in texture and appearance and have no defects, flaws, or tears. The fabric shall contain _sufficient ultraviolet (UV) ray flaws, or tears. The fabric shall contain sufficient ultraviolet (UV) ray inhibitor and stabilizers to provide a minimum two-year service life inhibitor and stabilizers to provide a minimum two-year service life outdoors. Fabric color shall be international orange. outdoors. Fabric color shall be international orange. 6. Aggregate for Tem of aly Rock Construction Entrance: 25 mm (1 inch) to 11. Maintain all temporary erosion and sediment control devices in place until 50 mm (2 inch) diameter rock, MNDOT Standard Specification 3137 CA -1, the contributing drainage area has been stabilized (hard -surfaced areas CA -2, or CA -3 Coarse Aggregate, or equal. paved and vegetation established in greenspace). Repair any rilling, gully formation, or washouts. After final establishment of permanent 7. Geotextile Fabric for Temporaly Rock Construction Entrance: MNDOT stabilization, remove all temporary synthetic, structural, and Standard Specification 3733 Type V permeable geotextile fabric material. nonbiodegradable erosion and sediment control devices and any accumulated sediments. Dispose -of off site. Restore permanent 8. Aggregate for Block and Rock Sediment Filter: 25 mm (1 inch) to 50 sedimentation basins to their design condition immediately following mm (2 inch) diameter rock, MNDOT Standard Specification 3137 CA -1, stabilization of the site. CA -2, or CA -3 Coarse Aggregate, or equal. 9. Block and Rock Inlet Filters: Block and Rock Inlet Filters consist of I N S P E C T 1 0 N S A N D MAI NTENANC E: open -core concrete masonry blocks, wire screen with 12 mm (0.5 inch) 1. Inspect the entire construction site at least once every 7 days during openings, and washed rock. Place open -core concrete masonry blocks lengthwise on their sides around the catchbasin inlet. Place wire screen active construction and within 24 hours after a rainfall event greater than around the perimeter to the top of the block barrier before the rock is 0.5 inches in a 24-hour period. Following an inspection that occurs placed. The screen acts to prevent the rocks from being washed through within 24 hours after a rainfall event, the next inspection must be the blocks. Place rock against the wire mesh to the top of the blocks. conducted within 7 days after that rainfall event. Use 25 mm (1 inch) to 50 mm (2 inch) diameter rock, MNDOT Standard 2. Inspect all erosion prevention and sediment control BMPs, infiltration Specification 3137 CA -1, CA -2, CA -3, or equal Coarse Aggregate." Install areas, and stabilized areas. two courses of 8 blocks in order to form a barrier height of 16". 3. Record all inspections and maintenance conducted during construction in 10. Biodegradable Erosion Control Blankets: In accordance with MNDOT writing and keep these records. The inspections and maintenance records Standard Specification 3885. must include date and time of inspections, date and amount of all 11. Erosion Control Matting: LondLok TRM 450 Turf Reinforcement Mat rainfall events greater than 0.5 inches in a 24-hour period, name of inspections, findings inspections, manufactured by PropexInc. (www.goeotextile.com), or approved equal persons(s) conducting of att soil erosion control matting. recommendations for corrective actions, and any corrective actions taken. 4. Inspect all erosion prevention and sediment control BMPs in order to 12. Staples Staples used to anchor erosion control blankets shall be ensure integrity and effectiveness. Repair, replace, or supplement any U-shaped, 3 mm diameter or heavier steel wire. The span width at the nonfunctional BMPs with functional BMPs within 24 hours after discovery, crown shall be a minimum of 25 mm (1 inch). Staples shall have a or as soon as field conditions allow access unless another time frame is length of 250 mm (10 inches) or more from top to bottom after specified. bending. 5. Remove accumulated sediment deposits from behind erosion and sediment control devices as needed. Do not allow sediment to accumulate to a The base Information and proposed conditions shown on this depth of more than one-third of the height of the erosion and sediment plan aro from a plan prepared by W. Brown Land Surveying. control devices. Repair, replace, or supplement deteriorated, damaged, Inc. dated December 26. 2013. rotted, or missing erosion control devices within 24 hours of discovery, or as soon as field conditions allow access. 6. Repair, replace, or supplement all silt fences when they become AN nonfunctional or the sediment reaches 1/3 of the height of the fence. IaN10 COLO These repairs must be made within 24 hours of discovery, or as soon as pw field conditions allow access. TAM IMS M Iff 7. Clean sedimentation basins, storm sewer catch basins, ditches, and other drainage facilities as required in order to maintain their effectiveness. Temporary and permanent sedimentation basins must be drained and the �\�\ � sediment removed when the depth of sediment collected in the basin \ VIEW reaches 1/2 of the storage volume. Drainage and removal must be \\ completed within 72 hours, or as soon as field conditions allow access. •soianss FAW N \ Plow 8. Inspect surface waters (including drainage ditches and conveyance ■�lPaR�1.1• sl�.T PM1�� == systems) evidence of erosion and sediment deposition. Remove all deltas POIAL 00 num kaill MW and sediment deposited. Stabilize areas where sediment removal results WON W 4 DA oo ios�Nlssos naive wave in exposed soil. Removal and stabilization must be completed within 7 w Ns "M Na days of discovery unless precluded by legal, regulatory, or physical access TUN No wNq constraints. If precluded, removal and stabilization must take place within M l9oNrD NMN/r M 7 days of obtaining access. aor w. eow •sM No sorPai or M ,palm siaau No 9. Inspect construction site vehicle exit locations for evidence of off-site • PM 01 1111 sediment tracking onto paved surfaces. Remove all soils and sediments or tracked or otherwise deposited onto adjacent property, pavement areas, sidewalks, streets, and alleys. Removal shall be on a daily basis throughout the duration of the construction. Clean paved roadways by shoveling or wet -sweeping. Do not dry sweep. If necessary, scrape paved surfaces in order to loosen compacted sediment material prior to sweeping. Haul sediment material to a suitable disposal area. Street washing is allowed only after sediment has been removed by shoveling or sweeping. UL N 10. Perform any corrective measures ordered by the City or Watershed DistrictNoo 70 AnM Woo within 24 hours of notification Install an additional erosion rotection Pans. = a vela 10 SECTM V6W P 0 L L U T 1 0 N P R E V E N T 1 0 N M E A S U R E S: 1. Solid Waste: Dispose of collected sediment, asphalt and concrete millings, floating debris, paper, plastic, fabric, construction and demolition debris, and other wastes properly off-site in compliance with Minnesota Pollution Control Agency requirements. 2. Hazardous Materials: Properly store oil, gasoline, paint and any hazardous substances in order to prevent spills, leaks or other discharge. Include secondary containment. Restrict access to storage areas in order to prevent vandalism. Storage and disposal of hazardous materials must be in compliance with MPCA regulations. 3. Other Materials: Dispose of unused building materials, garbage, trash, cleaning wastes, toxic materials, and wastewater properly off-site and in compliance with Minnesota Pollution Control Agency disposal requirements. 4. Furnish suitable trash containers and regularly remove the accumulated trash from the premises. 5. Do not allow solid waste, hazardous materials, and other materials shall to be carried by runoff into a receiving water or storm sewer system. 6. Limit external washing of trucks and other construction vehicles to a defined area of the site. Wash vehicles only on an area stabilized with stone that drains into an approved sediment trapping device. Contain runoff and properly dispose of waste. Engine degreasing is prohibited. 7. Concrete Washout Operations: Contain all liquid and solid wastes generated by concrete washout operations in a leak -proof containment facility or impermeable liner. Do not allow the liquid and solid wastes to contact the ground. Prevent runoff from the concrete washout operations or areas. Dispose of liquid and solid wastes properly in compliance with Minnesota Pollution Control Agency regulations. Install a sign adjacent to each washout facility in order to inform concrete equipment operators to utilize the proper facilities. 8. Sanitary and Septic Waste: Furnish and install detached portable toilet facilities at the construction site. The portable toilets shall be conveniently located for the use of all workers on the project. Maintain the facilities in a clean, dry, sanitary condition in accordance with Minnesota Department of Health requirements. S 0 1 L S T A B I L I Z A T 1 0 N: 1. Water and maintain seeded or sodded areas on a timely day-to-day basis. In the event of a seeding failure, reseed and remulch the areas where the original seed has failed to grow and perform additional watering as necessary at no additional cost to the Owner. Promptly replace all sod that dries out to the point where it is presumed dead and all sod that has been damaged, displaced, weakened, or heavily infested with weeds at no additional cost to the Owner. 2. In areas to be permanently stabilized, landscape with decorative rock, plantings, and sod (refer to Landscape Plan for design and details). SAN INV.=873 yp Amar P10 F110 nm. 10 0 10 20 or sediment control measures deemed necessary by the City or Watershed Paas, = me sNos to NInIOR s rpm District within 24 hours of notification. N11111211 PNstia W M FW N swt SILT FENCE Nr1ST11L1Ai10N SCALE IN FEET # 13-698 T. , R. , S. DRAWING: \\SERVER\Projects\2013\#13-698 5513 Oaklawn (Great Neighborhood Homes)\13698E10.dwg LAYOUT: E1 30 24 -OM HIGH CUT-OFF DIKE VM(M1M MAISIDES11 OF 1WANM DWACM S IED ROCI(, MNDOT STANDARD SPECIFICATION 3137 OR ��1 CM3 COARSE AGIGREOME K EY: EXISTING RUNOFF FLOW DIRECTION -�- PROPOSED RUNOFF FLOW DIRECTION - - -- -- EXISTING CONTOUR PROPOSED CONTOUR (SNA) PROPOSED SPOT ELEVATION T CONSTRUCTION SEQUENCE 1 Delineate the location of areas not to be disturbed (e.g. with flags, stakes, signs, silt fence, etc.) before work begins. Establish sediment control practices on all down gradient perimeters 2 before any up gradient land disturbing activities begin. These practices shall remain in place until final stabilization has been established. Install all perimeter sediment control devices and construction entrances. The timing of the installation of sediment control practices may be 3 adjusted in order to accommodate short-term activities, but sediment control practices must be installed before the next precipitation event even if the short-term activity is not complete. 4 Contact the City for approval of the sediment control devices. 5 Rough grade the site. 6 Install utilities. 7 Install pavements. 8 Install lawn and landscape. 9 Restore all disturbed areas. 10 Clean all storm sewer and conveyance systems. After all disturbed areas are stabilized, obtain approval from the City 11 and/or Watershed District. 12 Remove all temporary sediment control devices. #5509 FRONT ENTRY=889.4 TOP OF BLOCK=890-3 #5517 FRONT ENTRY=887.6 TOP OF BLOCK=886.6 GARAGE FLOOR=886.8 1 6 10 � -- - - - j/4134.75 - - - - - - - PLAT S89° 39' 1 699E 00 00 W The subsurface utility information shown on this plan is utility Quality Level D. This quality level was determined according to the guidelines of CI/ASCE 38-02, entitled "Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data." LOT CORNER IN POWER P( 1.6 �- W d- f 00 f O O O c0 (n 5513 OAKLAWN AVENUE EDINA, MN DATE REVISION I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, OR REPORT WAS PREPARED BY ME OR UNDER MY DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL ENGINEER UNDER THE LAWS OF THE STATE OF MINNESOTA. i Ck V I N === -" Brian Mundstock DATE: 12/30/13 INFORMATION: PROJECT NO.: DRAWN BY: CHECKED BY: APPROVED BY: 13-698 mwt bhm bhm SCALE: graphic DATE: 12/30/13 DESCRIPTION: NO.: 23468 STORMWATER AND EROSION CONTROL PLAN SHEET NO: E 1 M-0991'a.�'la'013� fof1