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S:Aplowe\cad\15prol\15-1536 TURNBERRY CROSSING 2ND \15-1536 CAD \15-1536 BASE 0.dwq SITE SPECIFIC INFORMATION PROJECT NAME TURNBERRY CROSSING 2ND ADDITION PROJECT LOCATION AQUA CIRCLE, SOUTHEAST OF LAKE DRIVE & NORTHEAST OF AQUA LINO LAKES, MINNESOTA LATITUDE: 45'09'54"N LONGITUDE: 93'07'19"W PROJECT OWNER HOKANSON CONSTRUCTION, INC. ROGER HOKANSON 9174 ISANTI STREET N.E. (763) 286-7995 BLAINE, MN 55434 CONSTRUCTION ACTIVITY DESCRIPTION SI LANE, CONSTRUCTION OF TOWNHOME UNITS AND GRADING TO ENLARGE EXISTING INFILTRATION BASINS TO MEET CURRENT WATERSHED REQUIREMENTS fE AREAS BEFORE CONSTRUCTION AFTER CONSTRUCTION IMPAIRED WATER TOTAL SITE AREA 3.83 ACRES TOTAL ESTIMATED IMPERVIOUS 0.73 ACRES 1.37 ACRES TOTAL ESTIMATED PERVIOUS 3.11 ACRES 2.46 ACRES TOTAL DISTURBED AREA 1.72 ACRES RECEIVING WATERS WITHIN ONE MILE NAME OF WATER BODY TYPE OF WATER BODY SPECIAL WATER IMPAIRED WATER POND POND NO NO WETLANDS WETLAND NO NO RICE CREEK CREEK NO NO MARSHAN LAKE LAKE NO YES RICE LAKE LAKE NO YES SITE MAP AND DESIGN CALCULATIONS SEE STORM WATER DRAINAGE REPORT FOR QUANTIFICATION OF STORM WATER MANAGEMENT REQUIREMENTS AND DRAINAGE AREA MAPS. SOILS, SLOPES, VEGETATION SOIL TYPE(S): SEE "CONSTRUCTION ACTIVITY DESCRIPTION" FOR LIST OF SOILS TYPES. SLOPES: PROPOSED SLOPES WILL BE GENERALLY MODERATE AND ARE NOT EXPECTED TO EXCEED 3:1. VEGETATION: SEED AND MULCH IS PROPOSED FOR DISTURBED AREAS. PERSON WHO PREPARED SWPPP ("DESIGNER") CHARLES W. PLOWE PLOWE ENGINEERING, INC. 6776 LAKE DRIVE LINO LAKES MN 55014 (651) 361-8200 PERSON WHO WILL OVERSEE IMPLEMENTATION OF SWPPP ("CONTRACTOR") TBD PERSON(S) WHO WILL INSPECT ON—SITE ESC MEASURES ("INSPECTOR") TBD TRAINING DOCUMENTATION DOCUMENTATION MUST ACCOMPANY THE SWPPP INDICATING THAT THE INDIVIDUALS IDENTIFIED IN PART III.F. HAVE BEEN TRAINED IN ACCORDANCE WITH THE REQUIREMENTS OF PART III.F. DOCUMENTATION SHALL INCLUDE: A. NAMES OF THE PERSONNEL ASSOCIATED WITH THIS PROJECT THAT ARE REQUIRED TO BE TRAINED PER PART III.F.1. OF THIS PERMIT. B. DATES OF TRAINING AND NAME OF INSTRUCTOR(S) AND ENTITY PROVIDING TRAINING. C. CONTENT OF TRAINING COURSE OR WORKSHOP INCLUDING THE NUMBER OF HOURS OF TRAINING. SITE SEQUENCING 8c ESC NOTES PRIOR TO ANY LAND—DISTURBING ACTIVITY, THE CONTRACTOR SHALL INSTALL SILT FENCE AS SHOWN ON PLAN. ADDITIONAL SILT FENCE MAY BE NECESSARY IF LOCAL CONDITIONS REQUIRE. SILT FENCE SHALL REMAIN IN—PLACE UNTIL THE FINAL STABILIZATION HAS BEEN ESTABLISHED IN ACCORDANCE WITH PART IV.G. THE CONTRACTOR SHALL PERFORM SITE GRADING ON AN AREA—BY—AREA BASIS TO MINIMIZE UNSTABILIZED AREAS. AS EACH AREA IS COMPLETED, ALL EXPOSED SOILS MUST HAVE TEMPORARY EROSION CONTROL PROTECTION OR PERMANENT COVER WITHIN FOURTEEN (14) DAYS. THE CONTRACTOR SHALL PROVIDE ALL SOD, SEED, MULCH AND FERTILIZER WHICH SHALL CONFORM WITH THE FOLLOWING MNDOT SPECIFICATIONS AS MODIFIED BELOW. ITEM MNDOT SPECIFICATION/NOTES SOD 3878 SEED ** 3876 * FOR TURF ESTABLISHMENT COMMERCIAL TURF RESIDENTIAL TURF MNDOT MIX 25-131 (220 LBS/ACRE) MNDOT MIX 25-131 (120 LBS/ACRE) TEMPORARY FALL COVER SPRING/SUMMER SOIL—BUILDING COVER 1-2 YEARS COVER 2-5 YEARS COVER MNDOT MIX 21-112 (100 LBS/ACRE) MNDOT MIX 21-111 (100 LBS/ACRE) MNDOT MIX 21-113 (110 LBS/ACRE) MNDOT MIX 22-111 (30.5 LBS/ACRE) MNDOT MIX 22-112 (40 LBS/ACRE) MULCH 3882 (TYPE 1 — DISC ANCHORED) FERTILIZER 3881 WOOD FIBER BLANKET 3885 (CATEGORY 2) * MOW A MINIMUM OF: RESIDENTIAL TURF — ONCE PER 2 WEEKS COMMERCIAL TURF — ONCE PER 4 WEEKS ** SEEDED AREAS SHALL BE EITHER MULCHED OR COVERED BY FIBROUS BLANKETS TO PROTECT SEEDS AND LIMIT EROSION. TEMPORARY OR PERMANENT MULCH MUST BE UNIFORMLY APPLIED BY MECHANICAL OR HYDRAULIC MEANS AND STABILIZED BY DISC—ANCHORING OR USE OF HYDRAULIC SOIL STABILIZERS. ALL EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE PLANS OR IMPLEMENTED IN THE FIELD SHALL BE IN ACCORDANCE WITH THE CITY AND NPDES PHASE II PERMIT REQUIREMENTS, AND THE MPCA'S "PROTECTING WATER QUALITY IN URBAN AREAS BEST MANAGEMENT PRACTICES FOR MINNESOTA." THE CONTRACTOR SHALL PAY SPECIAL ATTENTION TO ALL ADJACENT PROPERTY LINES AND MAKE SURE THE EROSION CONTROL PRACTICES INPLACE IN THOSE AREAS PREVENT MIGRATION OF SEDIMENT ONTO ADJACENT PROPERTIES. THE CONTRACTOR SHALL MAINTAIN SILT FENCE, INCLUDING THE REMOVAL OF ACCUMULATED SEDIMENT, THROUGH COMPLETION OF BUILDING CONSTRUCTION. SILT FENCE TO BE REMOVED ONLY AFTER COMPLETION OF BUILDING CONSTRUCTION AND UPON ESTABLISHMENT OF VEGETATION. THE CONTRACTOR SHALL PROVIDE WOOD FIBER BLANKET FOR ALL AREAS OF CONCENTRATED FLOW AND FOR ALL SLOPES 3:1 OR GREATER. PROTECT ALL STORM WATER MANAGEMENT FACILITIES FROM CONSTRUCTION RUN—OFF. CONTRACTOR TO INSTALL AND CONSTRUCT SAID FACILITIES ONCE SITE HAS BEEN STABILIZED. IF ANY SLOPES APPEAR TO BE FAILING, THE CONTRACTOR SHALL PROVIDE ADDITIONAL SILT FENCE, BIOROLLS AND EROSION CONTROL BLANKET AS NEEDED. THE CONTRACTOR SHALL FINAL GRADE SWALE AREAS UPON STABILIZATION OF UPSTREAM AREAS. UPON GRADING COMPLETION THE CONTRACTOR SHALL PROVIDE NATIVE TOPSOIL, SEED, AND MULCH ANCHORED WITH A STRAIGHT SET DISC WITHIN 48 HOURS OF FINAL GRADING. EXCESS SOIL SHOULD BE TREATED LIKE OTHER EXPOSED SOIL AND STABILIZED WITHIN 72 HOURS. ANY SOIL STOCKPILES ARE TO HAVE SILT FENCE PLACED ON DOWNSTREAM SIDES AND SHALL NOT BE PLACED IN SURFACE WATERS. ADJACENT STREETS SHALL BE KEPT CLEAN OF CONSTRUCTION MATERIALS, DIRT, AND OTHER UNDESIRABLE MATERIALS. WHEN MATERIALS OR DEBRIS HAVE WASHED/FLOWED ONTO ADJACENT STREETS, IT IS THE CONTRACTOR'S RESPONSIBILITY TO SWEEP/SCRAPE STREETS AS NECESSARY OR AS DIRECTED BY THE CITY. MAP OF SURFACE WATERS MARSHAN LAKE IS AN IMPAIRED WATER. ASSESSMENT UNIT: 02-0007-00 IMPAIRMENTS: NUTRIENT/EUTRIFICATION BIOLOGICAL INDICATORS RICE LAKE IS AN IMPAIRED WATER. ASSESSMENT UNIT: 02-0008-00 IMPAIRMENTS: NUTRIENT/EUTRIFICATION BIOLOGICAL INDICATORS C.1 DURING CONSTRUCTION A. ALL EXPOSED SOIL AREAS MUST BE STABILIZED AS SOON AS POSSIBLE TO LIMIT SOIL EROSION BUT IN NO CASE LATER THAN SEVEN (7) DAYS AFTER THE CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS TEMPORARILY OR PERMANENTLY CEASED. B. TEMPORARY SEDIMENT BASIN REQUIREMENTS DESCRIBED IN PART III.B.1-5 MUST BE USED FOR COMMON DRAINAGE LOCATIONS THAT SERVE AN AREA WITH FIVE (5) OR MORE ACRES DISTURBED AT ONE TIME. C.2. POST CONSTRUCTION. THE WATER QUALITY VOLUME THAT MUST BE TREATED BY THE PROJECT PERMANENT STORMWATER MANAGEMENT SYSTEM DESCRIBED IN PART III.C. SHALL BE ONE (1) INCH OF RUNOFF FROM THE NEW IMPERVIOUS SURFACES CREATED BY THE PROJECT. WHERE SITE CONDITIONS ALLOW, AT LEAST i� INCH OF WATER QUALITY VOLUME MUST BE INFILTRATED. SEE PART 111.0.2 FOR MORE INFORMATION ON INFILTRATION DESIGN AND APPROPRIATE SITE CONDITIONS. IF IT IS DETERMINED THAT SITE CONDITIONS ARE NOT APPROPRIATE FOR INFILTRATION (E.G. LACK OF 3 FT. OF SEPARATION TO SEASONALLY SATURATED GROUND WATER, PROXIMITY TO BEDROCK, CONTAMINATED SOILS) THE REASONS SHOULD BE DOCUMENTED IN THE STORMWATER POLLUTION PREVENTION PLAN (SWPPP) FOR THE PROJECT. INFILTRATION IS NOT REQUIRED IN HYDROLOGIC SOIL GROUP D SOILS. STORM WATER POLLUTION PREVENTION PLAN TURNBERRY CROSSING 2ND ADDITION DRAWN BY: C.M. DESIGN BY: C.W.P. CHCKD BY: C.W.P. PROJ. NO. 15-1536 ORIGINAL DATE: MARCH 4, 2015 REVISION DESCRIPTION w 1- 0 if) m 0) w aa) o U O 7:3E>.m E >, U = J 2 = >, r o' O Z J 03.04.2015 w 1- 0 0 TURNBERRY CROSSING 2ND ADDITION LINO LAKES, MINNESOTA PREPARED FOR: HOKANSON CONSTRUCTION SITE PLANNING & ENGINEERING PLOWS ENGINEERING, INC. 6776 LAKE DRIVE SUITE 110 LINO LAKES, MN 55014 PHONE: (651) 361-8210 FAX: (651) 361-8701 C3.2