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Home My WebLink AboutSD-407-C94 sin CONIC. COLLAR z 8" MIN. 5" MIN. PROVIDE "V" OPENING-\ 48" DIA. STANDARD MANHOLE FRAME AND COVER LeBARON LK 110 WITH WORD "DRAIN" ON COVER OR EQUAL ADJUST TO GRADE WITH A MINIMUM OF 2 BRICK COURSES; SEAL ENTIRE CASTING & BRICKS WITH .CEMENT MASONRY; ADJUSTING BRICKS NOT TO EXCEED 12" IN HEIGHT STANDARD TOP FOR MANHOLE COPOLYMER POLYPROPYLENE PLASTIC OR ALUMINUM MANHOLE STEPS (PRE -CAST INTO WALL SECTION) 12" STANDARD RISERS: 1',2',3',4',5', AND 6' 0.12 SQ. IN -AIN, FT. REINFORCEMENT \ 1 - #3 BAR AROUND OPENING FOR PIPES 18" OUTSIDE OF PIPE " DIA. AND OVER PLUS 2" 2 CLEARANCE GL E AR a. INVERT TO BE FORMED OF BRICK &CONCRETE I MASONRY 3' MONOLITHIC PRESSURE CAST BASE WASHED GRAVEL STANDARD PRE —CAST DRAIN MANHOLE 6" LOAM 6" GRAVEL BRICK LEVELING COURSE --� AS REQUIRED FOR GRADE ADJUSTMENTS (2 MIN. -5 MAX.) Z HEIGHT OF io RISER SECTIONS VARY FROM CURB INLET a a a � e REINFORCEMENT-/ '44 VULCANIZED BUTYL RUBBER JOINT SEALANT OR MORTAR STANDARD CATCH BASIN FRAME AND GRATE LeBARON # LT -246 OR EQUAL PAVEMENT SURFACE —FRAME TO BE SET IN MORTAR 24:" SQ. — CONCRETE COLLAR OPENING 8" MIN. 48" DIA. 48" MIN. SUMP APPROVED UNDER THE SUBDIVISION CONTROL LAW. LEXINGTON PLANNING BOARD NOT TO SCALE 18 " -24" CONICAL SECTION MORTAR ALL JOINTS PROVIDE "V" OPENING OUTSIDE OF PIPE PLUS 2" CLEARANCE 12" R.C.P. (TYP.) CAST IRON TRAP LeBARON OR EQUAL WASHED GRAVEL 5' HRIE CORE HOLE =PIPE DIA. t2" a FOR PIPE SIZE & LOCATION .m- SEE GRADING & DRAINAGE PLAN FRAME TO BE SET IN MORTAR-,,", (2)-LeBARON LK120A FRAME AND GRATE (3 FLANGE) CONCRETE COLLAR BRICK LEVELING COURSE AS REQUIRED FOR GRADE ADJUSTMENTS (2 MIN. -5 MAX.) HEIGHT OF RISER SECTIONS VARY FROM V-4' ° (MIN. OPENING = 2'x4' CENTERED ON FRAME) 15 "0 INLET INV. FROM CB'S 1&2 EL.= 313.60 i d- 1 PROVIDE "V" OPENING 4" TOPSOIL & SEED SHEETING (IF REQ'D) TO BE CUT OFF 5" MIN. BELOW GROUND & 1" MIN. ABOVE TOP OF PIPE—_ ANY SHEETING DRIVEN BELOW MID -DIA. OF PIPE SHALL BE LEFTIN PLACE WATER, SEWER, DRAIN, OR FORCE MAIN PPE BACKFILL (SEE NOTES) D DIAMETER OF PIPE d a . No. DATE 4' PAVED 4' 5' 4 4. 6' a — m I 1 Si X :° :)XW> T IF III= NOTES: — `O COMMON FILL ' li f 1. COMMON FILL MATERIAL TO CONSIST OF GRANULAR Q R = MATERIAL CONTAINING NO STONES LARGER THAN ° 12° RCP (TYP.) L I I 6" IN GREATEST DIMENSION. — III 2. BACKFILL WITH CLEAN SAND TO 12" OVER PIPE GENERAL NOTES a 48" DIA. d o III 2 MIDDLE UNIT CONTROL STRUCTURESa4Jr. 3. BACKFILL WITH SELECT MATERIAL CONTAINING NO a III STONES LARGER THAN 3" IN GREATEST DIMENSION DEPARTMENT OF PUBLIC WORKS ROAD CONSTRUCTION STANDARDS a ° TO 12" OVER PIPE FOR SEWER AND DRAIN PIPES.: OR THE MASSACHUSETTS HIGHWAYS DEPARTMENTS STANDARD t DAME 9� ° SPECIFICATIONS FOR HIGHWAYS AND BRIDGES. 6" CONC. PAD o Z _ Q III °a 6" a° g^ e ° p 4. PROVIDE SCREENED GRAVEL BEDDING TO MID PIPE e LeBARON OR EQUAL a'. 2, THE LOCATION AND DEPTH OF UNDERGROUND UTILITIES IS -III �`\' _ =III °I11 IS ENCOUNTERED AS DIRECTED BY THE ENGINEER. APPROXIMATE ONLY, AND IS NOT WARRANTED TO BE CORRECT. a a a � e REINFORCEMENT-/ '44 VULCANIZED BUTYL RUBBER JOINT SEALANT OR MORTAR STANDARD CATCH BASIN FRAME AND GRATE LeBARON # LT -246 OR EQUAL PAVEMENT SURFACE —FRAME TO BE SET IN MORTAR 24:" SQ. — CONCRETE COLLAR OPENING 8" MIN. 48" DIA. 48" MIN. SUMP APPROVED UNDER THE SUBDIVISION CONTROL LAW. LEXINGTON PLANNING BOARD NOT TO SCALE 18 " -24" CONICAL SECTION MORTAR ALL JOINTS PROVIDE "V" OPENING OUTSIDE OF PIPE PLUS 2" CLEARANCE 12" R.C.P. (TYP.) CAST IRON TRAP LeBARON OR EQUAL WASHED GRAVEL 5' HRIE CORE HOLE =PIPE DIA. t2" a FOR PIPE SIZE & LOCATION .m- SEE GRADING & DRAINAGE PLAN FRAME TO BE SET IN MORTAR-,,", (2)-LeBARON LK120A FRAME AND GRATE (3 FLANGE) CONCRETE COLLAR BRICK LEVELING COURSE AS REQUIRED FOR GRADE ADJUSTMENTS (2 MIN. -5 MAX.) HEIGHT OF RISER SECTIONS VARY FROM V-4' ° (MIN. OPENING = 2'x4' CENTERED ON FRAME) 15 "0 INLET INV. FROM CB'S 1&2 EL.= 313.60 i d- 1 PROVIDE "V" OPENING 4" TOPSOIL & SEED SHEETING (IF REQ'D) TO BE CUT OFF 5" MIN. BELOW GROUND & 1" MIN. ABOVE TOP OF PIPE—_ ANY SHEETING DRIVEN BELOW MID -DIA. OF PIPE SHALL BE LEFTIN PLACE WATER, SEWER, DRAIN, OR FORCE MAIN PPE BACKFILL (SEE NOTES) TRENCH WIDTH D DIAMETER OF PIPE REVISIONS: W SHEETED UNPAVED No. DATE 4' PAVED 4' 5' 30" TO 36" 1— 12/05/0 DESIGN. REVISIONS 6' (1 �(, y PAVE AS SPECIFIED — m I 1 Si X :° :)XW> T IF III= NOTES: — `O COMMON FILL ' li f 1. COMMON FILL MATERIAL TO CONSIST OF GRANULAR AA , R = MATERIAL CONTAINING NO STONES LARGER THAN — 12° RCP (TYP.) L I I 6" IN GREATEST DIMENSION. — III 2. BACKFILL WITH CLEAN SAND TO 12" OVER PIPE GENERAL NOTES 12" ° �° = FOR WATERMAINS. 48" DIA. " o III 2 MIDDLE UNIT CONTROL STRUCTURESa4Jr. 3. BACKFILL WITH SELECT MATERIAL CONTAINING NO 1. ALL CONSTRUCTION TO CONFORM TO THE TOWN OF LEXINGTON' III STONES LARGER THAN 3" IN GREATEST DIMENSION DEPARTMENT OF PUBLIC WORKS ROAD CONSTRUCTION STANDARDS CAST IRON TRAP ° TO 12" OVER PIPE FOR SEWER AND DRAIN PIPES.: OR THE MASSACHUSETTS HIGHWAYS DEPARTMENTS STANDARD t DAME 9� ° SPECIFICATIONS FOR HIGHWAYS AND BRIDGES. 6" CONC. PAD o Z _ Q III °a 6" a° g^ e ° p 4. PROVIDE SCREENED GRAVEL BEDDING TO MID PIPE 48" MIN. LeBARON OR EQUAL °111 o ° DIAMETER FOR SANITARY SEWERS AND WHERE GROUNDWATER 2, THE LOCATION AND DEPTH OF UNDERGROUND UTILITIES IS -III �`\' _ =III °I11 IS ENCOUNTERED AS DIRECTED BY THE ENGINEER. APPROXIMATE ONLY, AND IS NOT WARRANTED TO BE CORRECT. JOINTS TO BE WATER -TIGHT -11I° IN UNDERGROUND UTILITIES ARE SHOWN BASED ON RECORD DATA 4 IN EARTH LE GE 5. REMOVE UNSUITABLE MATERIAL BELOW GRADE IF PROVIDED BY THE OPERATING AUTHORITIES,AND HAVE BEEN FIELD StDE W ENCOUNTERED, TO SUITABLE DEPTHS AS DIRECTED INSPECTED WHERE POSSIBLE ADDITIONAL UTILITIES MAY EXIST (SEE TABLE) BY ENGINEER AND REPLACE WITH CLEAN GRANULAR WHICH ARE NOT INDICATED ON THESE PLANS. ALL NG UTILITIES SHALL BE VERIFIED FOR SERVICE, SIZE, INVERT Na, 39418 FILL FROM ATTACHED WATER QUALITY INLET CENTER UNIT TO HAVE ELEVAPON, LOCATIONS, ETC. PRIOR TO NEW CONNECTIONS TO OR 6. AN IMP €RWOUS BARRIER MADE OF BENTONITE, RELOCATION OF SAME. CONTRACTOR MUST NOTIFY DIG -SAFE AT: CONCRETE FLOWABLE FILL OR ANOTHER APPROVED 1-888-344 -7233 AT LEAST 72 HOURS PRIOR TO ANY TRENCH WIDTH D DIAMETER OF PIPE W UNSHEETED W SHEETED TO 12" 3' 4' 14" TO 24" 4' 5' 30" TO 36" 5' 6' 2 END CAP STRUCTURES TOTAL m I EQUAL SHALL BE INSTALLED EVERY 75 FT OF TRENCH CONSTRUCTION. NOTIFY THIS FIRM IN WRITING OF ANY AND ALL ALONG THE MAIN TRUNK OF DRAIN LINE AND ON THE DISCREPANCIES PRIOR TO COMMENCING ANY WORK. SEWER TRENCH AT THE SERVICE CONNECTIONS THE DAM SHALL EXTEND TO THE WIDTH OF THE TRENCH: AND BE A 3. SEE OTHER SHEETS FOR APPLICABLE NOTES. MINIMUM OF 12" ABOVE AND BELOW THE PIPE. NOTES: 7. ALL TRENCH CONSTRUCTON TO CONFORM TO APPLICABLE FEDERAL, STATE AND LOCAL REQULATIONS. STEPS SHALL BE AS SPECIFIED FOR THE TYPICAL DRAIN MANHOLE. SEE DETAIL ABOVE. WATER QUALITY INLET WATER QUALITY INLET JOINT FROM WATER QUALITY INLET TO TOP OF TANK = 375.50 CONFORM TO JOINT DETAIL SHOWN 6 TOP DETENTION STRUCTURE OUTSIDE OF PIPE 2. COMPACT FILL AND TAMP PIPE TO 93% MAX. DENSITY UNLESS # OF UNI TS Fax: 508- 230 -9979 South Easton, MA 02375' W 3' -6" 311.00 315.50 PLUS 2" CLEARANCE OTHERWISE SPECIFIED, h ¢ _ 2 END CAP STRUCTURES TOTAL m I TYPICAL TRENCH SECTIONS `O SEDIMENT AA , OIL 12° RCP (TYP.) TRAP TRAP 48" DIA. " 2 MIDDLE UNIT CONTROL STRUCTURESa4Jr. SS, 4' -0" 4' -0" 4'- 0 -4' -6" CAST IRON TRAP CENTER 4'x4' CONTROL STRUCTURE INSIDE t DAME 9� 6" CONC. PAD 5' MIN. 48" MIN. LeBARON OR EQUAL BURKE �N p JOINTS TO BE WATER -TIGHT SUMP 4 CIVIL p StDE OUTLET FLOWS INTO OPEN BOTTOM BOX CHANNELS MORTAR JOINT BETWEEN CHAMBERS 4' LONG, 4' DEEP a" Na, 39418 FROM ATTACHED WATER QUALITY INLET CENTER UNIT TO HAVE Q iSTER FG�' /STE- SEE DETAILS AND NOTES FOR ADDITIONAL INFORMATION DRAIN. CONTROL STRUCTURE lad S+ a �® e WASHED GRAVEL "PENAL e4 ° TYPICAL DRAINAGE DETENTION STRUCTUR COMPACT TO 95% MAX n 4 ° ° "O o DRY DENSITY 24" DIA. BEVELED JOINTS TO BE WATER -TIGHT ° o -'6 o' OPEN BOTTOM BOX CHANNELS MANHOLE COVERS TO BE 6 "7 6" MIN. WITHSTAND H -20 LOADING BROUGHT TO FINISHED GRADE BEGINNING AND MIDDLE UNITS ONLY COMMON BACKFILL 95% COMPAC77ON TONGUE AND GROOVE JOINT DOUBLE GRATE CATCH BASIN DETAIL TO BE WATER TIGHT SEE DETAIL NOT TO SCALE T 12' -0" JOINTS TO 8E MADE WATER TIGHT 4 6„ Q ^�^ }¢� z Z MORTAR BOTTOM OF UNITS 3 TO POURED IN PLACE BASE 24" MANHOLE 48" o a Lu Lu C OL E R & SUB -GRADE 6" MIN. CRUSHED STONE BASE BELOW BASE 6" THICK, 74' WIDE POURED CONIC. BASE C O L A N TON 10 z MANHOLES TO BE SET AT FINISHED GRADE OVER MANHOLE TO BE SET AT ENGINEERS AND SCIENTISTS EACH INLET AND OUTLET MANHOLE TO BE SET AT THE DETEN77ON STRUCTURE SHALL BE OF THE WATER QUALITY INLET FINISHED GRADE OVER EACH MIDDLE UNIT FINISHED GRADE AT FITTED WITH STEPS 5" O.C. FROM ALL EACH END UNIT. MANHOLE ACCESS POINTS TO MTHIN 12" TO THE BOTTOM OF THE TANK THE 11 ' " 60-6 -qj 508- 230 -9969 45 Eastman Street STEPS SHALL BE AS SPECIFIED FOR THE TYPICAL DRAIN MANHOLE. SEE DETAIL ABOVE. WATER QUALITY INLET WATER QUALITY INLET JOINT FROM WATER QUALITY INLET TO TOP OF TANK = 375.50 CONFORM TO JOINT DETAIL SHOWN 6 TOP DETENTION STRUCTURE _ -- — 06" # OF UNI TS Fax: 508- 230 -9979 South Easton, MA 02375' W 3' -6" 311.00 315.50 O h ¢ _ 2 END CAP STRUCTURES TOTAL m I v d OPEN BOTTOM BOX CHANNELS `O SEDIMENT AA , OIL co a TRAP TRAP SET STRUCTURE ON MINIMUM 6" BED OF GRAVEL 2 - 15 "0 OUTLETS ELEV.= 313.70 OUTLETS FITTED WITH 12" INVERTED SIPHONS BOTTOM OF SIPHONS TO BE 18" OFF FLOOR OF TANK WATER QUALITY INLET FOR BOTH STRUCTURES THIS DETAIL REPRESENTS 16 INTERIOR UNITS AND 2 END UNITS, FOR EACH STRUCTURE. THE 2 END UNITS HAVE A CLOSED END 6" WALL. MANUFACTURING NOTE PRE —CAST MANUFACTURER SHALL CONSTRUCT THE WATER QUALITY INLETS AND DETENTION STRUCTURES TO BE CONSTRUCTED IN THE FIELD AND OPERATE AS ONE INDIVIDUAL STORMWATER TREATMENT UNIT. THE MANUFACTURER SHALL COORDINATE WITH THE DESIGN ENGINEER AS NECESSARY TO CONSTRUCT THE PRODUCT. 15" ORIF7 E =311.1 TSI E DETENTION STRUCTURE _ -- — :E # OF UNI TS Fax: 508- 230 -9979 South Easton, MA 02375' WALLS AND ROOF 6' THICK. 8" ORIFICE E =374.0 ORIFICE E=311.1 311.00 315.50 O w 2 END CAP STRUCTURES TOTAL POURED IN PLACE 6' THICK CONC, PAD ¢ OPEN BOTTOM BOX CHANNELS ¢ CLOSED END WALLS FOR EACH UNIT AA , co a °- " 2 MIDDLE UNIT CONTROL STRUCTURESa4Jr. SS, 4' -0" 4' -0" 4'- 0 -4' -6" CENTER 4'x4' CONTROL STRUCTURE INSIDE t DAME 9� 6" CONC. PAD 26 INTERNAL UNITS BURKE �N p JOINTS TO BE WATER -TIGHT INTERIOR DIMENSIONS 12' WIDE, 4 CIVIL p StDE OUTLET FLOWS INTO OPEN BOTTOM BOX CHANNELS MORTAR JOINT BETWEEN CHAMBERS 4' LONG, 4' DEEP ® Na, 39418 FROM ATTACHED WATER QUALITY INLET CENTER UNIT TO HAVE Q iSTER FG�' /STE- SEE DETAILS AND NOTES FOR ADDITIONAL INFORMATION DRAIN. CONTROL STRUCTURE lad S+ a �® e "PENAL e4 TYPICAL DRAINAGE DETENTION STRUCTUR JOINT DETAIL BEVELED JOINTS TO BE WATER -TIGHT 6„ TI TLE: 15" ORIFICE E =311.1 DETENTION STRUCTURE ELEV. OF STRUCTURE :E INLET OUTLET BOTTOM TOP 24 "4 MANHOLE WALLS AND ROOF 6' THICK. 8" ORIFICE E =374.0 ORIFICE E=311.1 311.00 315.50 H4 POURED IN PLACE 6' THICK CONC, PAD 15" ORIFICE E =311.1 MIDDLE UNIT DETAIL ELEVATION CHART WATER QUALITY INLET i DETENTION STRUCTURE ELEV. OF STRUCTURE BEVELED JOINTS TO BE WATER -TIGHT 8" ORIFICE E= 374.0 24 "0 4» ORIFICE MANHOLE E =317.1 INLET OUTLET BOTTOM TOP 24 "4 MANHOLE 313.10 311.10 311.00 315.50 MIDDLE UNIT DETAIL ELEVATION CHART WATER QUALITY INLET i DETENTION STRUCTURE ELEV. OF STRUCTURE INLET OUTLET INLET OUTLET BOTTOM TOP 313.60 313.10 313.10 311.10 311.00 315.50 1 BUTYL SEALANT DETAIL SHEET 1 0 TO LINE ENTIRE JOINT 3' -0" ° 4'-0" I DEFINITIVE SUBDIVISION AARON ROAD LEXINGTON, MA 15 ORIFICE TO BE FITTED WITH A 12° RCP. RCP TO CONNECT TO DMH 1. (SSE PLAN) MORTAR ALL JOINTS AROUND PIPE CONNECTIONS. PRE -CAST MANUFACTURER TO PREPARE ALL UNITS TO WITHSTAND H -20 LOADING OWNER /APPLICANT: NEW ENGLAND CONSTRUCTION` CORPORATION STRUCTURE 2 END UNIT 7 05 WA LTHAM STREET OUTLET BAFFLE WALL LEXINGTON, MA 02421 I, DONNA M. HOOPER, CLERK OF THE TOWN OF LEXINGTON GATE: OCTOBER 10, 2001 HEREBY CERTIFY THAT THE NOTICE OF APPROVAL OF THIS PLAN BY THE PLANNING BOARD HAS BEEN COMP'. /DESIGN: SKG RECEIVED AND RECORDED AT THIS OFFICE AND NO NOTICE OF APPEAL WAS RECEIVED DURING THE CHECK: JCC / JWB TWENTY DAYS NEXT AFTER SUCH RECEIPT AND RECORDING OF SAID NOTICE. ORAVJN: LMB /SKG 0000 �! {/�" �� SCALE: NONE OPEN BOTTOM BOX CHANNEL DETAIL JOB NO.: 40 -21.00 WITH WATER QUALITY INLET ATTACHMENT LEXINGTON TOWN CLERK DATE DWG NO.: 40- 21 —DET SHEET: C9 OF C10 k