Loading...
FINAL 5.13.20-16.059 C-3 grading plan rev 2020- w setbacksBurts Pit Road MH S S S Dirt Pile Dirt Pile Dirt Pile Area Of Multiple Debris Piles Painted Water Line SMH Rim=310.29' Guy Wire Guy Pole UP #73.5/73-50 TBM=Top Spindle Of Hydrant El: 312.49' OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW CB Rim=311.48' MHRim=311.72' UP #73/73 SMH Rim=312.64' UP #72/72 TBM=Railroad Spike South Side UP#72/72 El: 315.77' SMH Rim=313.51' (NEW) UP #71 w/Transformer & Utility Boxes Guy Wires (Old) UP #71 G 4" Gas Line As Marked Edge Of Pavement Edge Of Pavemen t Edge Of Pavement Edge Of Pavement Bituminous Concrete 320 315 316 317 318 319 3 1 4 3 1 5 3103113 1 2 3 1 3 3073 0 8 309314315 316 317 318319320321322323 313 314 312 313 314 315 320 323312312313314315308309310311 312313 314 314 3 1 3 314 314313 312 31 1 3 1 0309 313 3 1 0 3 0 9 Single Fam House Single Fam House W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W WSSS S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S SShedSh e d Shed Sh e d GarageGarage D D D Singl e F a m w / acce s s o r y A p t Ga r a g e Si n g l e F a m Ho u s e Sh e d Sh e d Sh e d Ga r a g e Si n g l e F a m Ho u s e D Si n g l e F a m Ho u s e ( 2 b e d ) Si n g l e F a m Ho u s e ( 1 b e d ) Si n g l e F a m Ho u s e ( 3 b e d ) D FFE 3 1 2 . 7 5 FFE 3 1 3 . 7 5 FF E 3 1 5 . 7 5 FFE 3 1 3 . 7 5 FF E 3 1 4 . 7 5 FFE 3 1 4 . 7 5 FF E 3 1 5 . 0 GF E 3 1 4 . 2 5 Si n g l e F a m w / ac c e s s o r y A p t Singl e F a m w / acce s s o r y A p t City Of Northampton Burts Bog Greenway 114.76 Acres 4999121.41 Sq. Feet MAINTAIN NATURAL SWALE MAINTAIN NATURAL SWALE EXCEPT AT DRIVEWAY CROSSINGS 312.30 313.50 313.5312.5 312.50 312.50 312.30 314.0 313.0 312.1 312.25 312.5 312.75 313.25 313.75 312309 308309313313312313311314 31 5 312313310 311 312 310 3 1 1 312312312 31131331 4 31 4 313312.5 312.5 DRIVEWAYS SHALL SLOPE UP FROM CURB LINE TO PROPERTY LINE AT 3% (MIN.) TO PREVENT STORMWATER RUN-ON FROM ROADWAY; DRIVEWAYS WITHIN THE PROPERTY SHALL BE GRADED TO DRAIN TO INTERIOR OF THE SITE (TYP. OF ALL) ALL FRONT YARD AREAS SHALL BE GRADED TO DRAIN TO THE INTERIOR OF THE SITE. 2' WIDE, 12" DEEP TRENCH FILLED WITH 3/4" CRUSHED STONE SHALLOW DETENTION AREA 2 BERM ELEV = 313.50 SLOPE DRIVEWAY EAST TO DETENTION AREA. LOW POINT ELEV = 313.50 SLOPE DRIVEWAY EAST TO DETENTION AREA. LOW POINT ELEV = 312.30 SHALLOW DETENTION AREA 1 DRIVEWAY AREA NORTH OF THIS LINE SHALL DRAIN TO DETENTION AREA 1. DRIVEWAY AREA SOUTH OF THIS LINE SHALL DRAIN WEST. DRIVEWAY SHALL SLOPE NORTH AND SHEET FLOW TO DETENTION AREA 1. Lot 1 Lot 3 Lot 5 Lot 7 Lot 9 Lot 10Lot 8Lot 6 Lot 4 Lot 2 2' WIDE, 12" DEEP TRENCH FILLED WITH 3/4" CRUSHED STONE NO DISTURB ZONE FOR STORMWATER MANAGEMENT PROTECT DURING CONSTRUCTION SLOPE DRIVEWAY WEST PROPOSED SHRUBS/SCREENING (TYP)0' ZONING SETBACK15' ZONING S E T B A C K 20' ADDITION A L S E T B A C K 45' ADDITIONAL SETBACK30' ZONING SETBACK40' ADDITIONAL SETBACKChecked By: Drawn By: Revisions Scale: Date:Sheet Number This drawing is not intended nor shall it be used for construction purposes unless the signed professional seal of a registered landscape architect, civil engineer or land surveyor employed by The Berkshire Design Group, Inc. is affixed above. Web: http://www.berkshiredesign.com Email: bdg@berkshiredesign.com (413) 582-7000 4 Allen Place, Northampton, Massachusetts 01060 FAX (413) 582-7005 Landscape Architecture Civil Engineering Planning Berkshire Group Design Do not scale drawing for quantity take-offs or construction. Use written dimensions only. If dimensions are incomplete, contact The Berkshire Design Group Inc. for clarification. Land Surveying Copyright The Berkshire Design Group, Inc. This drawing and all of its contents are the express property of The Berkshire Design Group, Inc., and shall not be copied or used in any way without the written consent of The Berkshire Design Group, Inc. c BURT'S BOG CONSERVATION & LIMITED DEVELOPMENT PROJECT BURTS PIT ROAD NORTHAMPTON, MASSACHUSETTS 12/12/2019 - REV STORMWATER MANAGEMENT C-4 SEPTEMBER 9, 2019 1"=20' LMC MBD GRADING PLAN 0 402010 60 NOTES 1.THIS PLAN IS A PARTIAL GRADING PLAN FOR THE PROPOSED DEVELOPMENT. THIS PARTIAL PLAN REPRESENTS THE MINIMUM GRADING REQUIRED TO DEVELOP THE PROPOSED STORMWATER MANAGEMENT SYSTEM. IT MAY BE NECESSARY FOR THE DEVELOPER TO PROVIDE SUPPLEMENTAL GRADING IN ORDER TO CREATE A BUILDABLE LOT. 2.THE PROPOSED SHALLOW DETENTION AREAS HAVE BEEN GRADED TO PROVIDE STORAGE VOLUMES THAT PROVIDE SUFFICIENT ATTENUATION TO REDUCE PEAK RUNOFF RATES VERSUS THE EXISTING CONDITION. 3.THE DRY WELLS ARE SHOWN SCHEMATICALLY. DRY WELLS SHALL BE PROVIDED FOR ROOF TOP RUNOFF FOR HOMES ON LOTS 3 THROUGH 10. DRY WELLS SHALL PROVIDE 12 CUBIC FEET OF STORAGE FOR EACH 100 SQUARE FEET OF CONTRIBUTING ROOF AREA. DRY WELLS SHALL BE SHALLOW CONSTRUCTION, CONSTRUCTED NO MORE THAN 6" INTO EXISTING GRADE. SEE DRY WELL DETAILS 10, 11 AND 12, SHEET C-6. 4.THE FINAL SITE SHALL PROVIDE FOR DRIVEWAY OR ROOF RUNOFF TO BE DIRECTED TO PROPOSED DETENTION FACILITIES AS SHOWN ON PLANS. PHASING NOTES 1.STORMWATER MANAGEMENT SHALLOW DETENTION AREAS SHALL BE CONSTRUCTED PRIOR TO DEVELOPMENT OF LOTS.