Final Report: Appendix C. LID Parking Lot Design and Teaching Tool at Bridgewater State University, Bridgewater Supporting Information

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Bridgewater State University Virtual Commons - Bridgewater State University Phase II Final Report Taunton River Watershed Project 2011 Final Report: Appendix C.

1 Bridgewater State University Virtual Commons - Bridgewater State University Phase II Final Report Taunton River Watershed Project 2011 Final Report: Appendix C. LID Parking Lot Design and Teaching Tool at Bridgewater State University, Bridgewater Supporting Information Horsley Witten Group, Inc. Recommended Citation Horsley Witten Group, Inc. (2011). Final Report: Appendix C. LID Parking Lot Design and Teaching Tool at Bridgewater State University, Bridgewater Supporting Information. Taunton River Watershed Project Phase II Final Report. Item 11. Available at: This item is available as part of Virtual Commons, the open-access institutional repository of Bridgewater State University, Bridgewater, Massachusetts.

2 APPENDIX C. LID PARKING LOT DESIGN AND TEACHING TOOL AT BRIDGEWATER STATE UNIVERSITY, BRIDGEWATER SUPPORTING INFORMATION

17 Parameter Specification Size Notes Planting Soil Media See Below n/a USDA soil types loamy sand or sandy loam Mulch shredded hardwood Aged 6 months, minimum. Finely shredded softwood will be considered by Engineer as required with sample submission. Pea Gravel Layer 2 to 4 inch layer of washed stone 3/8 inch For use between the filter media and the underdrain gravel. Filter Fabric Mirafi 140N, Geotex 351 or approved equal n/a Non-woven geotextile fabric w/ flow rate of > 110 gallons/minutes/square foot. Erosion Control Bionet S150BN n/a Short term biodegradable erosion control Blanket blanket. Gravel Layer (underdrain) AASHTO M to 0.75 Underdrain Piping Underdrain Cleanout ASTM D 1785 or AASHTO M inch perforated schedule 40 PVC Non-perforated PVC pipe, PVC 4 inch elbow, cap, and all associated fittings 3/8 6 on center, 4 holes per row. T s and Y s as needed depending on underdrain configuration. Extend cleanout pipes to surface with vented caps at Ts and Ys. BIORETENTION SCHEDULE: Bottom Surface Area (sf) Lowest Top Elevation/ Spillway (ft) Design Freeboard (ft) Depth Bottom Depth Planting Soil Planting Soil Pea (ft) (ft) Gravel (ft) OVF Type OVF Rim Ponding Bottom Depth Mulch Bottom No. & # (ft) Depth (ft) Elev. (ft) 1 (ft) Mulch (ft) WEIR ,466 DI WEIR DI BIORETENTION UNDERDRAIN SCHEDULE: Elevation Change Min. Underdrain Underdrain from Lower Stone cover Pipe Size No. Bio Cell Cell (ft) (in.) (in) Length Underdrain (ft) Slope Underdrain (ft/ft) Bottom Underdrain Stone (ft) Distal Underdrain Stone Depth (ft) Outlet Depth Stone (ft) Underdrain Distal Inv (ft) Underdrain Inv In (ft) Min. Outlet Inv (ft) 2 1 UPPER LOWER UPPER LOWER Abbreviations: SA Bottom Surface Area CB Catchbasin OVF Overflow Inv Invert Bottom Pea Gravel (ft)

UNDERGROUND RECHARGE CHAMBER SCHEDULE RECHARGE AREA # COVER TYPE NUMBER OF UNITS URC1 PAVEMENT 36 URC2 PAVEMENT 69 CHAMBER TYPE/MODEL STORMTECH SC-740 STORMTECH SC-740 DIVERSION WEIR - ELEV.

18 UNDERGROUND RECHARGE CHAMBER SCHEDULE RECHARGE AREA # COVER TYPE NUMBER OF UNITS URC1 PAVEMENT 36 URC2 PAVEMENT 69 CHAMBER TYPE/MODEL STORMTECH SC-740 STORMTECH SC-740 DIVERSION WEIR - ELEV. A (FT) CHAMBER HEIGHT (IN.) BOTTOM OF CHAMBER TO INVERT (IN.) DIAMETER HEADER MANIFOLD (IN) DIAMETER CHAMBER INLET STUB (IN) INVERT HEADER MANIFOLD ELEV. B (FT) INLET PIPE INVERT ELEV. C (FT) OUTLET PIPE INVERT ELEV. (FT) BOTTOM OF CHAMBERS ELEV. D (FT) STONE UNDER CHAMBER (IN) BOTTOM OF STONE ELEV. E (FT) TOP OF CHAMBER ELEV. (FT) STONE ABOVE CHAMBER (IN) TOP OF STONE ABOVE CHAMBER ELEV. F (FT) MAXIMUM FINISH GRADE (FT) MINIMUM FINISH GRADE (FT) MAXIMUM COVER OF CHAMBERS (FT) MINIMUM COVER OF CHAMBERS (FT) ESTIMATED SHGW (FT) (SEE NOTE) SEPARATION FROM SHGW (FT)

20 ITEM NUMBER TAUNTON RIVER WATERSHED PLAN - BRIDGEWATER STATE UNIVERSITY BRIDGEWATER, MA PARKING LOT IMPROVEMENTS - SCIENCE BUILDING 75% DESIGN PLANS CONSTRUCTION COST ESTIMATE 12/9/2010 DESCRIPTION ESTIMATED QUANTITY UNIT UNIT PRICE TOTAL AMOUNT 1.0 MOBILIZATION/DEMOBILIZATION 1 LUMP SUM $10, $10, TEMPORARY FENCE AROUND WORK ZONE 2,000 LUMP SUM $10.00 $20, GENERAL GRUBBING & VEGETATION CLEARING 1 LUMP SUM $5, $5, EARTH EXCAVATION 560 CUBIC YARD $25.00 $14, RELOCATE EARTH EXCAVATION WITHIN SITE 560 CUBIC YARD $4.00 $2, COMPACTED FILL 9,790 CUBIC YARD $35.00 $342, DENSE GRADE BASE MATERIAL 3,510 CUBIC YARD $65.00 $228, FINE GRADING AND COMPACTING 10,530 SQUARE YARD $4.00 $42, BITUMINOUS ASPHALT PAVEMENT 10,530 SQUARE YARD $30.00 $315, BIT. TACK COAT FOR PAVEMENT 1 LUMP SUM $5, $5, EXISTING PAVEMENT EXCAVATION 1,000 CUBIC YARD $25.00 $25, RIPRAP STONE 50 CUBIC YARD $85.00 $4, LOAM & SEED (GRASS) 4,610 SQUARE YARD $9.00 $41, SAWCUT & SEALING PAVEMENT 1,240 LINEAR FOOT $12.00 $14, VERTICAL CURBING 1,720 LINEAR FOOT $45.00 $77, ASPHALT BERM 3,110 LINEAR FOOT $8.00 $24, SIDEWALK - BITUMINOUS 400 SQUARE YARD $30.00 $12, HANDICAP SIDEWALK RAMP 60 SQUARE YARD $ $7, TRAFFIC SIGNS 1 LUMP SUM $15, $15, REMOVE SIGN 1 EACH $ $ REMOVE & RESET SIGN 6 LUMP SUM $ $ RELOCATE HYDRANT 2 LUMP SUM $2, $4, WATER LINE EXTENSION 40 LINEAR FOOT $80.00 $3, REMOVE CURBING 466 LINEAR FOOT $5.00 $2, REMOVE & RESET VERTICAL CURB 181 LINEAR FOOT $30.00 $5, REMOVE GUARDRAIL/DISPOSE 340 LINEAR FOOT $5.00 $1, REMOVE & RELOCATE CURBING 181 LINEAR FOOT $25.00 $4, ADJUST/RAISE MANHOLE COVER 18 EACH $ $9, ADJUST/RAISE VALVE COVER 5 EACH $ $1,250 Prepared by: Horsley Witten Group, Inc. Page 1 of 2

21 30.0 RELOCATED UTILITY POLE 2 EACH $8, $16, REMOVE/DISPOSE BUILDINGS 566 SQUARE FOOT $25.00 $14, PAINTED STOPLINE 20 SQUARE FOOT $1.50 $ CROSSWALKS STRIPING 480 SQUARE FOOT $1.50 $ PARKING STRIPING (WATERBOURNE) 6,040 LINEAR FOOT $1.50 $9, BOLLARDS W/ PAINT 2 EACH $ $1, BIORETENTION FACILITY MATERIALS W/ LANDSCAPING 3,570 SQUARE FOOT $15.00 $53, STONE WALL 75 SQUARE FOOT $90.00 $6, DRAINAGE INLETS 2 LUMP SUM $1, $2, PRECAST STANDARD CATCHBASIN 2 EACH $3, $6, DRAINAGE MANHOLE 4 EACH $3, $14, DRAINAGE MANHOLE - DOGHOUSE TYPE 1 EACH $4, $4, BIO DRAINAGE STRUCTURE 2 EACH $2, $4, " PVC DRAINAGE PIPE 344 LINEAR FOOT $15.00 $5, " HDPE DRAINAGE PIPE 159 LINEAR FOOT $40.00 $6, CLEANOUTS/INSPECTION MANHOLES 2 EACH $ $ PAVED DRAINAGE FLUME 17 EACH $ $10, " HDPE FLARED END SECTION 1 EACH $ $ WEIRS STRUCTURES 2 EACH $6, $12, UNDERGROUND CHAMBER SYSTEM W/ INSTALLATION 105 PER CHAMBER $ $94, CONSTRUCTION ENTRANCE 120 SQUARE YARD $60.00 $7, EROSION CONTROL - SILT SOCK 2,740 LINEAR FOOT $6.00 $16, EROSION CONTROL - SILT SACKS 12 EACH $ $3, RELOCATE LIGHT W/ POLES 15 EACH $3, $45, LIGHTING PROVISION 1 LUMP SUM $90, $90, DEWATERING MEASURES 1 LUMP SUM $5, $5, TESTING - COMPACTION 1 LUMP SUM $15, $15, POLICE DETAIL 40 HOURS $45.00 $1,800 SUB TOTAL $1,684,745 ESTIMATED BID PRICE $ 1,685,000 Owner Contingency 30% $ 506,000 ESTIMATED CONSTRUCTION BUDGET $ 2,191,000 NOTES: CONTINGENCY IS PROVIDED BASED ON 75% DESIGN PLANS REFLECTING THE FACT THAT UNCERTAINTY EXISTS BETWEEN THIS STAGE AND CONSTRUCTION STAGE DRAWINGS. FINAL CONSTRUCTION ESTIMATES WILL BE DEPENDANT ON FACTORS RESOLVED AT THE CONSTRUCTION BIDDING STAGE. Prepared by: Horsley Witten Group, Inc. Page 2 of 2

Final Report: Appendix G. LID Driveway Retrofit and Teaching Tool at Bristol County Agricultural High School, Dighton - Supporting Information

Bridgewater State University Virtual Commons - Bridgewater State University Phase II Final Report Taunton River Watershed Project 2011 Final Report: Appendix G. LID Driveway Retrofit and Teaching Tool