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Home My WebLink AboutC5 Details_Notes(1.18.23)ROADWAY PAVEMENT SECTION: DRIVEWAY PAVEMENT SECTION: w z_ J LU v� 2' (MIN. 1�P�S�Oe 3 GAS MAIN CABLE/ELECTRIC LINES - 9 1/2" DENSE GRADE CRUSHED STONE BASE ((2) 4 3/4" LIFTS)* (MIN) 4" CLEAN SAND (SUB -BASE) ALL ROADWAY FILL SHALL BE CLEAN SAND PLACED IN (MAX) 6" LIFTS AND COMPACTED TO 95% DENSITY AS DETERMINED BY THE MODIFIED PROCTOR TEST (*SEE BELOW NOTES FOR SPECIFICATIONS ON ROAD CONSTRUCTION WITHIN ROUTE 6ASTATE HIGHWAY LAYOUT) STATE HIGHWAY LAYOUT PAVEMENT NOTES: • PROPOSED ROADWAY (WITHIN SHLO) SHALL HAVE AN 8" GRAVEL BASE THAT HAS BEEN MACHINE COMPACTED THEN PAVED WITH 4" OF HOT MIX ASPHALT (HMA) LAID IN TWO COURSES CONSISTING OF A 2-1/2" BINDER COURSE AND A 1-1/2" FINISH COURSE. • ANY EXISTING HMA BERM THAT EXISTS WITHIN THE PROPOSED DRIVEWAY MUST BE SAWCUT AND REMOVED. THE NEW PAVEMENT MUST TIE INTO, AND NOT OVERLAP, THE EDGE OF THE HARDENED SURFACE OF THE ROADWAY. ALL ABUTTING EDGES OF THE EXISTING PAVEMENT SHALL BE COATED WITH A HOT POURED JOINT SEALER IMMEDIATELY PRIOR TO THE PLACEMENT OF THE HMA. M1 DRAINAGE FACILITY SECTION: NOT TO SCALE erm 24"x24" Cast Iron Frame and Grate Raised to Grade Use EJIW LF248-2 OR EQUAL 12" DIAM. HDPE @ 1% PITCH in 4' Solid 4' Dia. Catch Basin USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL 24" Diam. Cast Iron Frame and Cover Raised to Grade Use EJIW LK 110A or Equal Berm 4' Solid 4' Dia. Manhole USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL M2 DRAINAGE FACILITY SECTION: NOT TO SCALE erm 24"x24" Cast Iron Frame and Grate Raised to Grade Use EJIW LF248-2 OR EQUAL �� If 12" DIAM. HDPE @ 1% PITCH rn irl 4' Solid 4' Dia. Catch Basin USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL 12" DIAM. HDPE @ 1% PITCH 30'± 24" Diam. Cast Iron Frame and Cover Raised to Grade Use EJIW LK 110A or Equal Berm RIM=38.6± 4' Solid 4' Dia. Manhole USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL w z_ J W TYPICAL WOODEN GUARDRAIL CU1I 4" TOPSOIL 8" WATER MAIN 5' MINIMUM SEPARATION FROM ALL DRAINAGE STRUCTURES M1 Dry NOT TO SCALE REQUIRED ACTACESS PRUNING ZONE (12, LL X 14' WIDE? 10' (ACCESS) 2, 20' (PARKING) 2' 0_1�� Sao 1 /4" PFR FOOT PITCH Lti. 1" FINISH COVER (ROLLED) 1.5" BINDER COURSE (ROLLED) 4" DENSE GRADE CRUSHED STONE BASE (14' WIDE) (MIN) 4" CLEAN SAND (SUB -BASE) ALL DRIVEWAY FILL SHALL BE CLEAN SAND PLACED IN (MAX) 6" LIFTS AND COMPACTED TO 95% DENSITY AS DETERMINED BY THE MODIFIED PROCTOR TEST HOT MIX ASPHALT NOTES: • ALL HOT MIX ASPHALT (HMA) PAVEMENT SHALL BE CONSTRUCTED PER MASSDOT'S 2021 STANDARDS AND SPECIFICATIONS FOR HIGHWAYS AND BRIDGES, SUBSECTION 460: HOT MIX ASPHALT PAVEMENT FOR LOCAL STREETS. • EACH HMA PAVEMENT COURSE SHALL BE COMPRISED OF ONE OF THE MIXTURE TYPES LISTED ON TABLE 460.10-1, SUBSECTION 460. Water Quality Swale SEE SWALE NOTES RIM=50.0±1 / BOTTOM=48.5± RIP -RAP SPLASH PAD SEE RIP -RAP DETAIL 12" DIAM. HDPE @ 1% PITCH M1 STORMWATER LEACHING FACILITY: SCALE: 1"=20' M2 STORMWATER LEACHING FACILITY: SCALE: 1"=20' 30'± STRAW WATTLE/EROSION CONTROL DETAIL: TYPICAL SECTION Fill 3" Height Wood Stake FLOW DIRECTION Straa�w Wattle Existing Grade 1.) LIMIT OF WORK SHALL BE MADE UP OF A 9" DIAMETER STRAW WATTLE INSTALLED PER THE MANUFACTURERS SPECIFICATIONS. 2.) CONTRACTOR SHALL BE RESPONSIBLE FOR PREVENTING EROSION/ RUNOFF DURING CONSTRUCTION. 3.) LIMIT OF WORK SHALL BE INSTALLED PRIOR TO ANY WORK BEING STARTED TRANSFORMER PAD DETAIL: NOT TO SCALE D 0 w • 3 3 4.0' Transformer Pad Shrub Planting (Typ.) 4' m 24" Diam. Cast Iron Frame and Cover Raised to Grade (ALL 5 UNITS) Use EJIW LK 110A or Equal 7Z24"x24'W" Tall 'Beehive' Cast Iron Frame and Grate Raised to Grade Use EJIW 1020-01 OR EQUAL 8" MAX. WATER DEPTH - .N 12" DIAM. HDPE @ 1% PITCH 4 _ t -47 _ -- Solid 4' Dia. 1000 Gallon Catch Basin Leaching Pit (6'x6'0) USE H-20 USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL AS MANUFACTURED BY SHOREY OR EQUAL M2 Dry Water Quality Swale SEE SWALE NOTES RIM=34.5± BOTTOM=33.0± RIP -RAP SPLASH PAD SEE RIP -RAP DETAIL 28' x 14' x 6' Leaching Facility: (2) Pits, spaced 14' on center with 4' of 1-1/2" washed stone around and 6" below DRIVEWAY NOTES: • IN ORDER TO ALLOW SAFETY VEHICLE ACCESS TO DRIVEWAYS, ALL DRIVEWAYS SHALL BE 10' WIDE WITH 2' GRASSED SHOULDERS ON EACH SIDE (2% MAX. GRADE). • GRASSED SHOULDERS SHALL BE UNDERLAIN WITH CRUSHED STONE BASE, AS SHOWN, TO PROVIDE ADDITIONAL SLOPE STABILITY FOR SAFETY VEHICLE ACCESS. • VEGETATION SHALL BE PRUNED TO ALLOW A 14' WIDE, 12' TALL ACCESS WAY. STORMWATER POLLUTION PREVENTION PLAN: PRIOR TO CONSTRUCTION, A STORMWATER POLLUTION PREVENTION PLAN (SWPPP) WILL BE PREPARED AND SUBMITTED ALONG WITH THE ACCOMPANYING NOTICE OF INTENT TO THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY. THE SWPPP WILL CONTAIN ALL SPECIFICATIONS AND REQUIREMENTS FOR STORMWATER AND EROSION CONTROL PROTOCOL DURING THE CONSTRUCTION PHASE. CONTRACTOR SHALL REVIEW THE SWPPP PLAN IN DETAIL IN ADDITION TO THESE PLANS AND DETAILS PRIOR TO START OF CONSTRUCTION. FILTER FABRIC (GEOTEXTILE) AROUND TOP AND SIDES DRAINAGE CONSTRUCTION NOTES: 1.) ALL COMPONENTS, SUBJECT TO WHEEL LOADS, SHALL BE RATED H-20. 2.) ALL WORKMANSHIP PROVIDED SHALL BE IN CONFORMANCE WITH THE TOWN OF YARMOUTH PLANNING BOARD & ENGINEERING SPECIFICATIONS. 3.) ANY MODIFICATIONS AND/OR DEVIATIONS FROM THE PLANS SHALL BE REVIEWED AND APPROVED BY THE ENGINEERING DEPARTMENT. CATCH BASIN AND LEACHING NOTES: 1.) ALL PROPOSED CATCH BASINS, LEACHING GALLERIES, AND TRENCHING ACROSS PARKING AREAS AND SIDEWALKS SHALL BE BACKFILLED, AND COMPACTED IN 6-INCH LIFTS. COMPACTION SHALL MEET 95% STANDARD PROCTOR REQUIREMENTS. ALL BACKFILL MATERIAL SHALL BE DENSE GRADED CRUSHED STONE WITH A MAX SIZE OF 3/4" OR ENGINEERED APPROVED EQUAL. 2.) THE LEACHING CHAMBERS SHALL BE SET FULLY INTO CLEAN SAND. DESIGN ENGINEER SHALL INSPECT THE SOILS AROUND AND BELOW THE LEACHING FACILITY PRIOR TO FACILITY INSTALLATION. 1-1/2" WASHED STONE 3.) ALL CAST IRON FRAMES AND SEALS FOR DRAINAGE COMPONENTS SHALL BE FINISHED WITH MORTAR CEMENT. 4.) CATCH BASIN GRATES SHALL BE PLACED OVER FILTER FABRIC UNTIL SITE IS PAVED WITH BINDER COARSE. CONTRACTOR IS RESPONSIBLE TO MAINTAIN THE FILTER FABRIC SO SEDIMENT DOES NOT GET INTO CATCH BASINS. 5.) EXISTING CATCH BASIN ON ROUTE 6A SHOULD BE FITTED WITH SILT SOCK SO AS TO PROTECT DRAINAGE DURING CONSTRUCTION OF THE ROADWAY. 6.) THE TWO CATCH BASINS AT STA 1+95.14 ON FAITH ROAD SHALL BE FITTED WITH CASCADE STYLE GRATES, IN ORDER TO HANDLE FAST-MOVING RUNOFF IN THE 6%SLOPE AREA OF THE ROAD. MIN. ROOF RUN-OFF: 24" Diam. Cast Iron Frame and Cover 24"x24"x4" Tall 'Beehive' Raised to Grade (ALL 5 UNITS) ,Z Cast Iron Frame and Grate Use EJIW LK 110A or Equal Raised to Grade FILTER FABRIC (GEOTEXTILE) Use EJIW 1020-01 OR EQUAL AROUND TOP AND SIDES 18" MAX. WATER DEPTH - - - 1-1/2" WASHED STONE 12" DIAM. HDPE @ 1% PITCH 6 - _-_ � -_-_ 4' Solid 4' Dia. 1000 Gallon 26.0± MIN. Catch Basin Leaching Pit (6'x6'0) USE H-20 USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL AS MANUFACTURED BY SHOREY OR EQUAL 1.) ALL ROOF GUTTERS SHOULD BE DIRECTLY CONNECTED TO LEACHING FACILITIES USING 6" ADS PIPE. 2.) EACH DWELLING SHALL UTILIZE A TOTAL OF (4) CULTEC RECHARGER 330XLHD STORMWATER LEACHING UNITS, SPLIT INTO (2) 15.5' X 4.33' LEACHING FACILITIES. 3.) LEACHING FACILITIES SHALL BE SET FULLY INTO CLEAN SAND. NO STONE REQUIRED ACCESS ROAD: 1.) DURING CONSTRUCTION, A 20' WIDE STONE APRON SHALL BE CONSTRUCTED AT THE PROPOSED ENTRANCE FOR DUST/SILT CONTROL. 2.) STONE APRON SHALL REMAIN IN PLACE UNTIL THE ENTRANCE HAS BEEN PAVED. SWALE NOTES: 1.) ALL (7) SWALE SOIL BEDS AND LOWER SLOPED AREAS SHALL BE A MINIMUM OF 18" DEEP AND COMPOSED OF APPROXIMATELY 50% SAND AND 50% LOAM. UPPER SLOPED SWALE AREAS SHALL BE COVERED WITH A MINIMUM OF 4 INCHES OF LOAM. SEE SWALE DETAIL BELOW. 2.) ALL SLOPED SWALE AREAS SHALL BE COVERED WITH JUTE NETTING EROSION CLOTH, SECURED IN PLACE. 3.) SOIL BED AND SIDE SLOPES SHALL BE SEEDED WITH MEADOW / WILDFLOWER SEED MIX. APPLICATION RATE SHALL BE PER MFG'S SPECIFICATIONS. SIDE SLOPED AREAS SHALL BE PLANTED WITH NORTHERN BAYBERRY AND WINTERBERRY SHRUBS. SEE C9- LANDSCAPE PLAN. SWALE DETAIL: 70' x 28' x 6' Leaching Facility: NOT TO SCALE (10) Pits, spaced 14' on center with 4' of 1-1/2" washed stone around and 6" below VARIES I~ (2' MIN.) ~I TYPICAL CATCH BASIN & MANHOLE SECTION NOT TO SCALE PIPE CONNECTIONS TO Solid 4' Dia. Solid 4' Dia. Solid 4' Dia. Catch Basin Manhole Catch Basin USE H-20 USE H-20 USE H-20 AS MANUFACTURED BY SHOREY OR EQUAL AS MANUFACTURED BY SHOREY OR EQUAL AS MANUFACTURED BY SHOREY OR EQUAL NOTE: ALL MANHOLE RIM AND INVERT ELEVATIONS ARE CALLED OUT ON THE C4- GRADING & DRAINAGE PLAN. 1.) TYPICAL PAD -MOUNTED TRANSFORMER SHOWN IS FOR LAYOUT PURPOSES ONLY. EVERSOURCE TO PROVIDE DESIGN LAYOUT AND SPECIFICATIONS FOR ALL ELECTRICAL UTILITY WORK. 2.) EACH UTILITY TRANSFORMER LOCATION SHALL BE SCREENED AS SHOWN ALONG THE SIDES AND BACK OF THE TRANSFORMER PAD, USING (6) OF THE SHRUB PLANTINGS SPECIFIED FOR THAT AREA OF THE DEVELOPMENT ON THE LANDSCAPE PLAN. 3.) MAINTAIN A MINIMUM OF T SEPARATION BETWEEN PLANTINGS AND THE TRANSFORMER, TO ALLOW PROPER PERFORMANCE AND MAINTENANCE. 4.) THE FRONT OF THE TRANSFORMER (THE SIDE FACING THE ROADWAY, WITH ACCESS DOORS) SHALL BE KEPT FREE OF SHRUBS, TO ALLOW ACCESS FOR MAINTENANCE. WOODEN GUARDRAIL SECTION: NOT TO SCALE I I I I I I 18"(min) � PERMEABLE SOIL - - - - - - _ 6 (min) (50% SAND, 50% LOAM)------� FILTER FABRIC 3/4" TO 1-1/2" STONE NATIVE SOIL SUB -BASE - FREE FROM LOAM / ORGANIC MATERIAL (4) 3/4" Galvanized Bolt & Nut Fasteners, per post 3x9 Wood Railing 00 0O 00i 00 EXISTING GRADE 6> ' ' O.C. O.C. RIP -RAP DETAIL FOR OUTFALL PIPE: LOW PIPE 6 Wood Posts 12' RIPRAP NOTES: 1.) RIP -RAP SHALL BE PLACED INTO CLEAN SAND, FREE OF SILT AND DEBRIS. 2.) RIP -RAP STONE SHALL BE 6" TO 8" STONE PLACED IN RANDOM PATTERN WITH UNEVEN SURFACE SO AS TO REDUCE DISCHARGE ENERGY. 3.) THE BED OF RIP -RAP SHALL BE 1.5 FEET THICK. 4.) RIP -RAP STONE SHALL BE LAID ON A DOUBLE LAYER OF FILTER FABRIC. AIRED END SECTION UTLET GUARD G:\AAJobs\THE DAVENPORT COMPANY -ROUTE 6A-YARMOUTHPORT\DWG\Definitive Site Plans.dwg