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Grading and Drainage from Site Plans Revised April 2011SSSSSSSSSSSSSSSSSSSSSSSSSSSSOHOHOHOHOHOH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH OH140138 1 3 9 13 9 140 138 140 135 137138 139 136138137 SLOPE WALK/ CURB TO GRADE W G CATCH BASIN RIM 136.95 OUT 133.95 CATCH BASIN RIM 136.55 OUT 133.85 CATCH BASIN RIM 136.70 OUT 133.85 CATCH BASIN RIM 138.90 OUT 135.65 CONNECT TO DRY WELL AT 137.00, TYP. OF 3 55LF 10" PVC @ 0.5% 31LF 10" PVC @ 0.5% 8" P V C @ 0 . 5 % 40 L F 1 2 " H D P E @ 4 %67LF 12" HDPE @2.6%DRY WELL 2 BOTTOM 135.00 TOP 137.35 PIPE INV. 136.00 DETENTION BASINS BOTTOM 132.50 TOP 136.55 EX. DMH RIM 138.65 CORE NEW INV. AT 129.50 54" OUT 120.35 DRAIN BASIN RIM 139.75 OUT 137.75115LF 10" HDPE @ 0.5% 8" PVC @0.5% 52L F 1 2 " H D P E @ 0 . 6 %32LF 12" HDPE @ 0.5%22LF 12" H D P E @ 1% DMH(5'Ø) RIM 138.95 IN(4) 133.90 OUT 133.80 30L F 1 2 " H D P E @ 0 . 6 % CATCH BASIN RIM 136.75 OUT 133.85 CATCH BASIN RIM 136.55 OUT 133.85 DMH RIM 136.92 IN(3) 133.65 OUT 133.60 CATCH BASIN RIM 138.80 OUT 134.70 (12" HDPE)8" HDPE @ 0.5%OCS 1 RIM 139.65 IN 137.00 OUT 135.50 80LF 1 0 " P V C @ 1 % ROOF E M E R G E N C Y R O U T E CONNECT TO DRY WELL AT 136.00, TYP. OF 3 OCS RIM 139.98 IN 136.35 OUT 133.35 85LF 12" HDPE @ 2.7%25LF 12" HDPE@ 0.8%55LF 12" HDPE @ 0.5%DMH RIM 137.27 IN(2) 133.65 OUT 133.55 OCS 3 RIM 139.60 IN 133.00 OUT 133.00 SWTC1-STC900 RIM 139.50 IN 132.95 OUT 132.87 DRY WELL 1 BOTTOM 137.00 TOP 138.35 PIPE INV. 137.00 10" HDPE FEO INV 135.35'WWWWWWWWWWWWWW GGGGGGGGGGGGGGGGGGGGGGGGGSS SSSSSSSSSSSSW SSEEEEEE63LF 12" HDPE @ 0.5 % DMH RIM 139.60 IN 133.45 OUT 133.35 E EEEEEEEE139 GGGGGG G140 1391401 4 0 141141 136 139 1 3 8 138 141 40LF 12" RCP @ 2.7%TAPPING SLEEVE & VALVEWC.O. C.O. Grading & Drainage St. Elizabeth Ann Seton Parish NORTHAMPTON, MA Plan 1. All areas disturbed from construction activity to be raked, smoothed, fertilized and seeded with perennial turfgrasses unless otherwise noted. 2. All sidewalks/walkways and curb ramps shall conform to the Massachusetts Architectural Access Board's (AAB) requirements. Sidewalk/walkway cross-slope is 1.5 % minimum, 2.0% maximum. Slopes shall not exceed 2% across any accessible parking space or adjacent aisles. 3. All materials and construction methods shall conform to the applicable construction standards and specifications of the City and the Massachusetts Department of Transporation. 4. Utilities indicated on these plans (water, sanitary, sewer, gas, electric) are schematic in nature. 5. Do not scale drawings for quantity take-offs or construction. Use written dimensions only General Notes 4-13-11 DPW/Stormwater Comments Revisions Landscape Architecture Civil EngineeringPlanning Berkshire Group, Inc.Design The Land Surveying 2 NOT FOR CONSTRUCTION FOR PERMIT REVIEW ONLY