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HomeMy WebLinkAbout2911721430029-01252015SEDIMENT CONTROL PRACTICES M A T E R I A L S: 1. Implement sediment control practices in order to minimize sediment from entering surface 1. Storm Sewer Inlet Protection: The following are approved inlet sediment control devices: JOIN SECTION 2. waters, including curb and gutter systems and storm drain inlets. shall remain in place until final stabilization has been established. a. Road Drain Top Slab Model RD 23 (fits rough opening for 2x3 inlet), Road Drain Top Slab Model Install all perimeter sediment control devices and construction entrances. 2. Install all temporary or permanent sediment control measures including silt fence at Solid gets: Dispose of collected sediment, asphalt and concrete millings, floating debris, paper, RD 27 (fits rough opening for 27" inlet), or Road Drain Top Slab Model CG 3067 (fits Neenah W, POSTS control practices must be installed before the next precipitation event perimeter of construction, bio -logs at driveway, sediment filters, silt sacks, and 3. Casting with 35-1/4"07-3/4" dimensions) manufactured by WIMCO, 799 Theis Drive, Shakopee, TIE TOGETHER with Minnesota Pollution Control Agency requirements. sedimentation basins prior to beginning site clearing, grading, or other land -disturbing these records. The inspections and maintenance records must include date and time of MN, 55379, Phone (952) 233-3055. 7 Install pavements. activity. Protect all storm sewer inlets that receive runoff from disturbed areas. 2. Hazardous Materials: Properly store oil, gasoline, paint and any hazardous substances in order to Restore all disturbed areas. period, name of persons(s) conducting inspections, findings of inspections, recommendations Clean all storm sewer and conveyance systems. prevent spills, leaks or other discharge. Include secondary containment. Restrict access to storage b. Silt Sack: Regular flow (40 gal/min/sq. ft). Average width strength equal to 165.0 lbs/in, ASTM for corrective actions, and any corrective actions taken. 3. Establish sediment control practices on all down gradient perimeters before any up gradient Remove all temporary sediment control devices. D-4884. Rectangular siltsack on rectangular inlets. Round siltsack on round inlets. Use ACF GRADING, compliance with MPCA regulations. land disturbing activities begin. These practices must remain in place until final stabilization Inspect all erosion prevention and sediment control BMPs in order to ensure integrity and Environmental, Inc., 2831 Cardwell Road, Richmond, VA 23234, Phone (800) 448-3636, or has been established. 3. approved equal. 4. The timing of the installation of sediment control practices may be adjusted in order to materials, and wastewater properly off-site and in compliance with Minnesota Pollution Control c. InfroSafe Sediment Control Barrier. Install geotextile sock on the outside of the barrier in order time frame is specified. accommodate short-term activities, but sediment control practices must be installed before 5. to trap additional fines. Standard frames are available to fit 24" to 30" diameter and 2'x3' 2 INCH SQUARE Furnish suitable trash containers and regularly remove the accumulated trash from the premises. the next precipitation event even if the short-term activity is not complete. as needed. Do not allow sediment to accumulate to a depth of more than one-third of openings. Distributed b ROYAL ENTERPRISES AMERICA, 30622 Forest Boulevard, Stacy, MN, Y y PINE, -S TI srS"E U -SECTION STE the height of the erosion and sediment control devices. Repair, replace, or supplement 5. 55079, Phone (651) 462-2130. NOT EXCEED M 5. If the down gradient treatment system becomes overloaded, install additional up gradient a receiving water or storm sewer system. SPACING OF 4 sediment control practices or redundant BMPs in order to eliminate the overloading. 2. Troia.: Topsoil used for finish grading of areas to be turfed or planted shall meet the requirements 6. Limit external washing of trucks and other construction vehicles to a defined area of the site. 6. Repair, replace, or supplement all silt fences when they become nonfunctional or the of MNDOT Standard Specification 3877 for topsoil borrow modified to contain no more than 35% Wash vehicles only on an area stabilized with stone that drains into on approved sediment trapping 6. Before beginning construction, install a TEMPORARY ROCK CONSTRUCTION ENTRANCE at each 9 9 sand. Topsoil shall be reasonably free of subsoil, heavy clay, coarse sand, stones, and other objects hours of discovery, or as soon as field conditions allow access. point where vehicles exit the construction site. Use 25 mm (1 inch) to 5mm (2 inch) over 51 mm (2 inches) in diameter; and without plants, roots, sticks, and other objectionable 7. equal Coarse diameter rock, MNDOT Standard Specification 3137 CA -1, CA -2, CA -3, or e 7. material. operations in a leak -proof containment facility or impermeable liner. Do not allow the liquid and Aggregate. Place the aggregate in a layer at least 152 mm (6 inches) thick across the as required in order to maintain their effectiveness. Temporary and permanent solid wastes to contact the ground. Prevent runoff from the concrete washout operations or areas. entire width of the entrance. Extend the rock entrance at least 15 m (50 feet) into the 3. Geotextile Fabric for Subgrgde Stabilization (if required): MNDOT Standard Specification 3733 Type V DIRECT sediment collected in the basin reaches 1/2 of the storage volume. Drainage and removal construction zone. Use a MNDOT Standard Specification 3733 Type V permeable geotextile regulations. Install a sign adjacent to each washout facility in order to inform concrete equipment permeable geotextile material. SURFA fabric material beneath the aggregate in order to prevent migration of soil into the rock 8. Inspect surface waters (including drainage ditches and conveyance systems) evidence of r Sogatacy and Septic Waste: Furnish and install detached portable toilet facilities at the construction from below. Maintain the entrance in a condition that will prevent tracking or flowing of 4. Supporting Posts for Siltfence: 51 mm (2 inch) square or larger hardwood, pine, or standard T- or site. The portable toilets shall be conveniently located for the use of all workers on the project. sediment onto paved roadways. Provide periodic top dressing with additional stone as U -section steel posts. T- or U -section steel posts shall weigh not less than 1.8602 kg per meter completed within 7 days of discovery unless precluded by legal, regulatory, or physical required. Close entrances not protected by temporary rock construction entrances to all Health requirements. (1,25 Ib per lineal foot). Posts shall have a minimum length of 1524 mm (5 feet). Posts shall access constraints If precluded removal and stabilization must take place within 7 days construction traffic. have projections to facilitate fastening the fabric and prevent slippage. 7. If necessary, clean the wheels of construction vehicles in order to remove soils before the 5. ; iltfence Fabric: MNDOT Standard Specification 3886 self supporting silt fence. Furnish in a vehicles leave the construction site. Wash vehicles only on an area stabilized with stone continuous roll in order to avoid splices. Geotextile fabric shall be uniform in texture and appearance that drains into an approved sediment trapping device. and have no defects, flaws, or tears. The fabric shall contain sufficient ultraviolet (UV) ray inhibitor 8. Remove all soils and sediments tracked or otherwise deposited onto adjacent property, and stabilizers to provide a minimum two-year service life outdoors. Fabric color shall be ATTACH FATH BRIC pavement areas, sidewalks, streets, and alleys. Removal shall be on a �y basis international orange. POSTS. USE n1 ATTACH throughout the duration of the construction. Clean paved roadways by shoveling, 6. Aggregate for Tem ora a Construction Entrance: 25 mm (1 inch) to 50 mm (2 inch) diameter USE HI POSTS. USE HI ATTACH FABRIC wet -sweeping, or dry sweeping. If necessary, scrape paved surfaces in order to loosenRL1C_�k compacted sediment material to sweeping. Haul sediment material to a suitable rock, MNDOT Standard Specification 3137 CA -1, CA -2, or CA -3 Coarse Aggregate, or equal. prior disposal area. Street washing is allowed only after sediment has been removed by shoveling 7 Geotextile Fabric for Temporary Rock Construction Entrance: MNDOT Standard Specification 3733 Type or sweeping. V permeable geotextile fabric material. 9. Soil Stockpiles: Install siltfence or other effective sediment controls around all temporary soil stockpiles. Locate soil or dirt stockpiles such that the downslope drainage length is no 8. Aggregate for Block and Rock 5e iment Filter: 25 mm (1 inch) to 50 mm (2 inch) diameter rock, less than 8 m (25 feet) from the toe of the pile to a surface water, including stormwater MNDOT Standard Specification 3137 CA -1, CA -2, or CA -3 Coarse Aggregate, or equal. conveyances such as, curb and gutter systems, or conduits and ditches unless there is a bypass in for the stormwater. If remaining for more than 7 days, stabilize the 9. Block and Rock Inlet Filters: Block and Rock Inlet Filters consist of open -core concrete masonry place stockpiles by mulching, vegetative cover, tarps, or other means. During street repair, cover blocks, wire screen with 12 mm (0.5 inch) openings, and washed rock. Place open -core concrete construction soil or dirt stockpiles located closer than 8 m (25 feet) to a roadway or masonry blocks lengthwise on their sides around the catchbasin inlet. Place wire screen around the drainage channel with tarps, and protect storm sewer inlets with silt sacks or staked perimeter to the top of the block barrier before the rock is placed. The screen acts to prevent the siltfence. rocks from being washed through the blocks. Place rock against the wire mesh to the top of the blocks. Use 25 mm (1 inch) to 50 mm (2 inch) diameter rock, MNDOT Standard Specification 3137 10. Silt Fence: Install silt fence along the contour (on a level horizontal plane) with the ends CA -1, CA -2, CA -3, or equal Coarse Aggregate. Install two courses of 8" blocks in order to form a turned up (J -hooks) in order to help pond water behind the fence. Install the silt fence barrier height of 16". on the uphill side of the support posts. Provide a post spacing of 1.2 m (4 feet) or less. 10. Biodegradable Erosion Control Blankets: In accordance with MNDOT Standard Specification 3885. Drive posts 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 dug on the upslope 11. Erosion Control Matting: LandLok TRM 450 Turf Reinforcement Mat manufactured by Propex, Inc. side of the support posts. Lay the fabric in the trench and then backfill and compact with (www•goeotextile.com), or approved equal soil erosion control matting. a vibratory plate compactor. Make any splices in the fabric at a fence post. At splices, overlap the fabric at least 152 mm (6 inches), fold it over, and securely fasten it to the 12. Staples Staples used to anchor erosion control blankets shall be U-shaped, 3 mm diameter or fence post. Silt fence supporting posts shall be 51 mm (2 inch) square or larger heavier steel wire. The span width at the crown shall be a minimum of 25 mm (1 inch). Staples hardwood, pine, or standard T- or U -section steel posts. T- or U -section steel posts shall have a length of 250 mm (10 inches) or more from top to bottom after bending. shall weigh not less than 1.8602 kg per meter (1.25 Ib per lineal foot). Posts shall have a minimum length of 1524 mm (5 feet). Posts shall have projections to facilitate fastening the fabric and prevent slippage. Geotextile fabric shall meet the requirements of 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 MNDOT Standard Specification 3886 for preassembled silt fence, furnished in a continuous roll in order to avoid splices. Geotextile fabric shall be uniform in texture and appearance and have no defects, flaws, or tears. The fabric shall contain sufficient ultraviolet (UV) ray 1. Delineate the location of areas not to be disturbed (e.g. with flags, stakes, signs, silt fence, etc.) inhibitor and stabilizers to provide a minimum two-year service life outdoors. Fabric color on the development site before work begins. shall be international orange. 2. Avoid removal of trees and surface vegetation wherever possible. Schedule construction in order to 11. Maintain all temporary erosion and sediment control devices in place until the contributing expose the smallest practical area of soil at any given time. Implement appropriate construction drainage area has been stabilized (hard -surfaced areas paved and vegetation established in phasing, vegetative buffer strips, horizontal slope grading, and other construction practices that greenspace). Repair any rilling, gully formation, or washouts. After final establishment of minimize erosion. permanent stabilization, remove all temporary synthetic, structural, and nonbiodegradable 3. Following initial soil disturbance or rediisturbance, complete permanent or temporary stabilization erosion and sediment control devices and any accumulated sediments. Dispose -of off site. against erosion due to rain, wind, and running water as soon as possible, but in no case later than Restore permanent sedimentation basins to their design condition immediately following 14 calendar days, on all disturbed or graded areas including stormwater management pond stabilization of the site. sideslopes. This requirement does not apply to those areas that are currently being used for 12. If dewatering is required and sump pumps are used, all pumped water must be discharged material storage or fflr those areas on which grading, site building , or other construction activities actively undorway or will be underway af` Rite discrei'Eon. of ,the 'Coritracior through a sediment control device such as a dewotering bag or other appropriate facility prior to leaving the construction site. Proper energy dissipation must be provided at the 4. Provide temporary grass seed cover on all topsoil stockpiles and other areas of stockpiled excavated outlet of the pump system. material in order to prevent soil erosion and rapid runoff during the construction period. Prolonged periods of open, bare earth without grass cover will not be permitted unless there are or will be construction activities at the discretion of the Contractor. Stabilize all disturbed greenspace areas I N S P E C T 1 0 N S A N D M A I N T E N A N C E with a minimum of 4" topsoil immediately after final subgrade completion. Seed and mulch, or sod and stake these areas within 48 hours after completion of final grading work (weather permitting). 1. Inspect the entire construction site at least once every 7 days during active construction 91o.s and within 24 hours after a rainfall event greater than 0.5 inches in a 24-hour period. 5. Stabilize all disturbed areas to be paved using early application of gravel base. 7 Following an inspection that occurs within 24 hours after a rainfall event, the next 910 1.1 M 0 0 C) a IU a of obtaining access. 0•� 9. Inspect construction site vehicle exit locations for evidence of off-site sediment tracking onto paved surfaces. Remove all soils and sediments 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. 10. Perform any corrective measures ordered by the City or Watershed District within 24 hours of notification. Install any additional erosion protection or sediment control measures b 4.11 fl W t h d D' +A. t 'th'n 24 hours of notification 1 I t deemed necessary y e I y or a ere a Is nc wI I I 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." The base information and proposed conditions shown on this plan aro from a certificate of survey prepared by Precision Surveys, Inc. dated 2014. INDIVIDUAL RESPONSIBLE FOR THE CLEANLINESS OF THE SITE AND THE MAINTENANCE OF THE EROSION AND SEDIMENT CONTROLS: BILL COSTELLO ELEVATION HOMES 18312 MINNETONKA BLVD. WAYZATA, MN 55391 PHONE: 952-346-2496 EMAIL: BILLOELEVATIONHOMES.COM 10 0 10 20 SCALE IN FEET ....._ .. . - . . . ­_% It., ,-..n o -r... '.-_i__ n-_-, u......-..\\ 7n9F_M_01\ 1r rn7QT1 flown I AYOIIT• I nvniiil YRFF• Cnnip�r YPFF• Cifp Plnn 6 INCH MINIMUM THICKNESS 30 F001 MINIMUM LENGTH MNDOT STMIDARD SPECIFICIITON 3733 TYPE V PERMEAKE GEOTEXTiLE FABRIC MATERIAL BaIEATH THE ROCK 24 -INCH HIGH CUT-OFF DIKE WITH MAXIMUM SIDESLOPES OF 4:1 1 TO 2 INCH DIAMETER WASHED ROCK, MNDOT STANDARD SPECIFICATION 3137 CA -1, CA -2, CA -3 OR EQUAL COARSE AGGREGATE 12 FOOT I MINIMUM WIDTH TEMPORARY ROCK C ONSTRUC TION ENTRANC E 910,6 N 89°54'29' W X 910.3 EX. HOUSE 5300 X 910.4 214.19'1__ EX. HOUSE J5308 CONSTRUCTION SEQUENCE Inspection must be conducted within 7 days after that rainfall event. Delineate the location of areas not to be disturbed (e.g. with flags, 1 stakes, signs, silt fence, etc.) before work begins. 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 2. Inspect all erosion prevention and sediment control BMPs, infiltration areas, and stabilized shall remain in place until final stabilization has been established. LKS Install all perimeter sediment control devices and construction entrances. areas. 1. Solid gets: Dispose of collected sediment, asphalt and concrete millings, floating debris, paper, adjusted in order to accommodate short-term activities, but sediment control practices must be installed before the next precipitation event Plastic, fabric, construction and demolition debris, and other wastes properly off-site in compliance 3. Record all inspections and maintenance conducted during construction in writing and keep Contact the City for approval of the sediment control devices. with Minnesota Pollution Control Agency requirements. Rough grade the site. these records. The inspections and maintenance records must include date and time of Install utilities. 7 Install pavements. inspections, date and amount of all rainfall events greater than 0.5 inches in a 24-hour 2. Hazardous Materials: Properly store oil, gasoline, paint and any hazardous substances in order to Restore all disturbed areas. period, name of persons(s) conducting inspections, findings of inspections, recommendations Clean all storm sewer and conveyance systems. prevent spills, leaks or other discharge. Include secondary containment. Restrict access to storage After all disturbed areas are stabilized, obtain approval from the City for corrective actions, and any corrective actions taken. and/or Watershed District. areas in order to prevent vandalism. Storage and disposal of hazardous materials must be in Remove all temporary sediment control devices. GRADING, compliance with MPCA regulations. 4. Inspect all erosion prevention and sediment control BMPs in order to ensure integrity and EROSION effectiveness. Repair, replace, or supplement any nonfunctional BMPs with functional BMPs 3. Other Materials: Dispose of unused building materials, garbage, trash, cleaning wastes, toxic within 24 hours after discovery, or as soon as field conditions allow access unless another materials, and wastewater properly off-site and in compliance with Minnesota Pollution Control time frame is specified. Agency disposal requirements. 5. Remove accumulated sediment deposits from behind erosion and sediment control devices 4. Furnish suitable trash containers and regularly remove the accumulated trash from the premises. as needed. Do not allow sediment to accumulate to a depth of more than one-third of the height of the erosion and sediment control devices. Repair, replace, or supplement 5. Do not allow solid waste, hazardous materials, and other materials shall to be carried by runoff into deteriorated, damaged, rotted, or missing erosion control devices within 24 hours of a receiving water or storm sewer system. discovery, or as soon as field conditions allow access. 6. Limit external washing of trucks and other construction vehicles to a defined area of the site. 6. Repair, replace, or supplement all silt fences when they become nonfunctional or the Wash vehicles only on an area stabilized with stone that drains into on approved sediment trapping sediment reaches 1/3 of the height of the fence. These repairs must be made within 24 device. Contain runoff and properly dispose of waste. Engine degreasing is prohibited. hours of discovery, or as soon as field conditions allow access. 7. Concrete Washout Operations: Contain all liquid and solid wastes generated by concrete washout 7. Clean sedimentation basins, storm sewer catch basins, ditches, and other drainage facilities operations in a leak -proof containment facility or impermeable liner. Do not allow the liquid and as required in order to maintain their effectiveness. Temporary and permanent solid wastes to contact the ground. Prevent runoff from the concrete washout operations or areas. sedimentation basins must be drained and the sediment removed when the depth of Dispose of liquid and solid wastes properly in compliance with Minnesota Pollution Control Agency sediment collected in the basin reaches 1/2 of the storage volume. Drainage and removal regulations. Install a sign adjacent to each washout facility in order to inform concrete equipment must be completed within 72 hours, or as soon as field conditions allow access. operators to utilize the proper facilities. 8. Inspect surface waters (including drainage ditches and conveyance systems) evidence of 8. Sogatacy and Septic Waste: Furnish and install detached portable toilet facilities at the construction erosion and sediment deposition. Remove all deltas and sediment deposited. Stabilize site. The portable toilets shall be conveniently located for the use of all workers on the project. areas where sediment removal results in exposed soil. Removal and stabilization must be Maintain the facilities in a clean, dry, sanitary condition in accordance with Minnesota Department of completed within 7 days of discovery unless precluded by legal, regulatory, or physical Health requirements. access constraints If precluded removal and stabilization must take place within 7 days M 0 0 C) a IU a of obtaining access. 0•� 9. Inspect construction site vehicle exit locations for evidence of off-site sediment tracking onto paved surfaces. Remove all soils and sediments 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. 10. Perform any corrective measures ordered by the City or Watershed District within 24 hours of notification. Install any additional erosion protection or sediment control measures b 4.11 fl W t h d D' +A. t 'th'n 24 hours of notification 1 I t deemed necessary y e I y or a ere a Is nc wI I I 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." The base information and proposed conditions shown on this plan aro from a certificate of survey prepared by Precision Surveys, Inc. dated 2014. INDIVIDUAL RESPONSIBLE FOR THE CLEANLINESS OF THE SITE AND THE MAINTENANCE OF THE EROSION AND SEDIMENT CONTROLS: BILL COSTELLO ELEVATION HOMES 18312 MINNETONKA BLVD. WAYZATA, MN 55391 PHONE: 952-346-2496 EMAIL: BILLOELEVATIONHOMES.COM 10 0 10 20 SCALE IN FEET ....._ .. . - . . . ­_% It., ,-..n o -r... '.-_i__ n-_-, u......-..\\ 7n9F_M_01\ 1r rn7QT1 flown I AYOIIT• I nvniiil YRFF• Cnnip�r YPFF• Cifp Plnn 6 INCH MINIMUM THICKNESS 30 F001 MINIMUM LENGTH MNDOT STMIDARD SPECIFICIITON 3733 TYPE V PERMEAKE GEOTEXTiLE FABRIC MATERIAL BaIEATH THE ROCK 24 -INCH HIGH CUT-OFF DIKE WITH MAXIMUM SIDESLOPES OF 4:1 1 TO 2 INCH DIAMETER WASHED ROCK, MNDOT STANDARD SPECIFICATION 3137 CA -1, CA -2, CA -3 OR EQUAL COARSE AGGREGATE 12 FOOT I MINIMUM WIDTH TEMPORARY ROCK C ONSTRUC TION ENTRANC E 910,6 N 89°54'29' W X 910.3 EX. HOUSE 5300 X 910.4 214.19'1__ EX. HOUSE J5308 CONSTRUCTION SEQUENCE Delineate the location of areas not to be disturbed (e.g. with flags, 1 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. LKS 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. 01/20/2015 After all disturbed areas are stabilized, obtain approval from the City 11 and/or Watershed District. r121 Remove all temporary sediment control devices. n o 906.7 I i'``_` x 905.4 It x qpm PRIOR TO ANY CONSTRUCTION, INSTALL STORM SEWER INLET PROTECTION ON ! _ t Al I cercu Recwe CYDnCCn Tn iss � 91015 M %p X 909.6 �~ X 909.5 905.6 X 905.8 X 903.9 l``� 0 rn t t � o i CZ' 5304 CHANTREY ROAD EDINA, MN DATE REVISION 1/22/15 ADJUSTED RETAINING WALLS A 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 O VINNESOTA. Brian Mundstock DATE: 01/22/2015 REG. NO.: 23468 INFORMATION: 't PROJECT NO.: 15-502 F DRAWN BY: LKS CHECKED BY: BHM ri 4 APPROVED BY: BHM SCALE: GRAPHIC DATE: 01/20/2015 DESCRIPTION: GRADING, DRAINAGE, EROSION CONTROL AND STORMWATER MANAGEMENT PLAN PMWF � 13739'f 15'30,f C04NMO K.u. SHEET NO: �EtN ffbMIf ST11 of 1