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Home My WebLink AboutSD-20-9MAN HO =1l JN BRICK SHAPED 11' 1-4 _141 FRAME & COVER SPECIFIED) MORTAR BED IG MORTAR) COATING TO D TO OUTER SURFACE VATION SAME OF HIGHEST PIPE CONC. BASE EARTH LEDGE �.4_j PLAN WALL OF MANHOLE FLOW BRICK SHELF SLOPE 1" /FT. FINISHED ROAD GRADE D DIAMETER OF PIPE OR GROUND SURFACE W SHEETED BRICK AS REQUIRED TO 3` ADJUST TO GRADE (8" MAX.) 14" TO 24" 4' 5' PRECAST CONC. TRANSITION :I I SECTIONS OR BARREL • • - • • SECTIONS WITH PRECAST LAND SURVEYORS TOP SLAB DESIGNED FOR .• ..❖ .• >• 1 . H -20 LOADING (MIN.) - - -- - - -- SEE DETAIL FOR APPROVED . JOINTING METHODS. ' MULTIPLES OF 1,2;3,4`,5, ,2Irl OR W LENGTHS BELOW MtD-D(A.OF PIPE PRECAST CONC. BARREL SEE TABLE ° SECTIONS 6 "MIN {VARIES SEE MANHOLE TABLE - — - SEE PIPE CONNECTION DETAILS t BRICK OR CONCRETE FILL P V C STUB .MIN °oarp "o fl a °b v ° -t SEWER, — _ "AI rte+ - +it =(1��Y IFS•• ° 8" MIN. SCREENED GRAVEL BASE SECTION •/ r� ?ECAST SEWER MANHOLE with precast base NOT TO SCALE FINISH GRADE AS REQUIRED,BtAT NOT LESS THAN 5 -O UNLESS OTHERWISE APPROVED VALVE BOX (ADJUSTABLE) CORP STOP CURB STOP �I "COPPER ° . e.PROVIDE 2 CU FT. OF SCREENED GRAVEL SADDLE REQUIRED IF PVC PIPE IS USED PROPOSED WATER MAIN 9 TYPICAL PERMANENT SERVICE CONNECTION NOT TO SCALE TRENCH WIDTH, W D DIAMETER OF PIPE W UNSHEETED W SHEETED TO 12" 3` 4' 14" TO 24" 4' 5' 30" TO 36" 5' 6' • • - • • C - BEDFORD LAND SURVEYORS UNPAVED ; PAVED SEE SPECS FOR s • a • „ 1111IhIlUUi1lIUillUilfUiIIIIIGIIIIIIIIri REPAVE AS SPECIFIED OF TRENCH SURFACE 221/20 BEND WITH NON - SHRINK GROUT AFTER 8 10 > PRECAST SECTIONS ARE IN PLACE 22 RE(SDj TO BE CUT OFF -r • • - • • C - BEDFORD LAND SURVEYORS CIVIL ENGINEERS .• ..❖ .• >• 1 . BEDFORD, MASS. DAM CONSULTANTS r• +�Y a . SHEETS ANY SHEETING DRIVEN ° ,2Irl -SCREENED GRAVEL'TO 12" BELOW MtD-D(A.OF PIPE _� v .. OVER WELD PLUG TO STUB °- ." IS '.. 01. t P V C STUB v SCREENED GRAVEL TO SEWER, •' ° -DIAMETER OTHER OR FORCE MAIN PlI �;�•. •/ r� THAN PVC PIPE IS USED •�I'.- 6" MIN. CONCRETE �; F Jai �.« _ NORMAL GRADE + SCREENED GRAVEL ` FIRST POUR TO HERE, THEN TYPICAL TREVCV�lrECT-MV� 1.loTE THts P� alb (s sUaje- ' to A, �o�t✓NA/�r OAdra a 'JULY I %9 16M16 I , CLERK OF THE TOWN OF LEXINGTON, MASS, HEREBY CERTIFY THAT THE NOTICE OF APPROVAL OF THIS PLAN BY THE LEXINGTON PLANNING BOARD HAS BEEN RECEIVED AND RECORDED AT THIS OFFICE AND NO APPEAL WAS RECEIVED DURING THE TWENTY DAYS NEXT AFTER SUCH RECEIPT AND RECORDING OF SAID NOTICE. AT TOWN CLERK MECHANICAL JOINT END PLUG 1' -6" MIN. OR AS REQUIRED NOT TO SCALE CONCRETE BACKING ' AGAINST UNDISTURBED MATERIAL 4CREi E BACKING AGAINST DISTURBED MATERIAL TYPICAL TEE NOT TO SCALE CONCRETE BACKING AGAINST, UNDISTURBED MATERIAL NOTE: VALVES AND HYDRANTS TO OPEN COUNTER CLOCKWISE WATER MAIN ROTATE HYDRANT AS REQUIRED — 3` -O" i t 1,.,,�_VALVE TBOX E HYDRANT TO BE ADJUSTED TO GRADE AS REQUIRED, ROTATE AS NECESSARY FINISH GRADE J( 6 "GATE VALVE l CONCRETE BACKING AGAIN: ,y UNDISTURBED MATERIAL FLAT STONE OR CONCRETE TEE CONNECTION PROVIDE 4 CU. FT. OF SCREENED GRAVEL OR GRAVEL BACKFILL TO AT LEAST 6' ABOVE DRAIN HOLES D/4 (6 °MIN.) - D/4 (6" MIN..) :-.A :..:•.o ._. ..... -- ° CLASS "A" CONCRETE •o A .: A O = a% OPTIONAL CONSTRUCTION li a JOINT WITH 2" x 4" BEVELED KEY D/4 (4" MIN -) a CONCRETE ENCASEMENT NOT TO SCALE DROP CONNECTION DETAIL NOT TO SCALE 6" PVC WATERSTOP 07- 2329.0 DWG. NO. 1312.05 7 CONCRETE BACKING AGAINST DISTURBED MATERtAL- WATER MAIN ®: CONCRETE NUT a WASHER TIE RODS SOCKET CLAMP SPOOL PIECE MJ- GATE VALVE AS REQUIRED, BUT NOT LESS THAN 5' -O" -- ADJUSTABLE VALVE BOX fC3D GATE VALVE -- CONCRETE SUPPORT UNDISTURBED MATERIAL TYPICAL GATE VALVE NOT TO SCALE IUI 1 .UTILITY IV lLt1 Sin °dl�h�w lilt SCREENED !U NN GRAVEL T11-1 SEWER UTILITY CROSSING DETAIL NOT TO SCALE TABLE OF BEARING AREAS IN SQUARE FEET AGAINST UNDISTURBED MATERIAL FOR WATER MAIN FITTINGS SIZE OF MAIN OR) MORTAR JOINTS(INSIDE AND OUTSIDE) TEES a PLUGS 221/20 BEND WITH NON - SHRINK GROUT AFTER 8 10 > PRECAST SECTIONS ARE IN PLACE 22 16 13 0 C - BEDFORD LAND SURVEYORS CIVIL ENGINEERS , BEDFORD, MASS. DAM CONSULTANTS SHEET 4 OF 5 SHEETS USE HALF OF A ° o s PVC PLUG. SOLVENT WELD PLUG TO STUB °- ." PVC Y- BRANCH P V C STUB INSIDE FACE a — 45' PVC ELBOW OF MANHOLE - - - - -- ` 6" MIN. CONCRETE + ` FIRST POUR TO HERE, THEN o. /SALLOW TO SET ONE DAY • ° 1/ BEFORE RESUMING POUR PVC STUB a 900 PVC ELBOW , 5 MIN: ° •• s CONCRETE ° DROP CONNECTION DETAIL NOT TO SCALE 6" PVC WATERSTOP 07- 2329.0 DWG. NO. 1312.05 7 CONCRETE BACKING AGAINST DISTURBED MATERtAL- WATER MAIN ®: CONCRETE NUT a WASHER TIE RODS SOCKET CLAMP SPOOL PIECE MJ- GATE VALVE AS REQUIRED, BUT NOT LESS THAN 5' -O" -- ADJUSTABLE VALVE BOX fC3D GATE VALVE -- CONCRETE SUPPORT UNDISTURBED MATERIAL TYPICAL GATE VALVE NOT TO SCALE IUI 1 .UTILITY IV lLt1 Sin °dl�h�w lilt SCREENED !U NN GRAVEL T11-1 SEWER UTILITY CROSSING DETAIL NOT TO SCALE TABLE OF BEARING AREAS IN SQUARE FEET AGAINST UNDISTURBED MATERIAL FOR WATER MAIN FITTINGS SIZE OF MAIN OR) 450 BEND TEES a PLUGS 221/20 BEND 8" a LESS 8 10 8 10" a 12" 22 16 13 0 C - BEDFORD LAND SURVEYORS CIVIL ENGINEERS CONCRETE BACKING FOR WATER PIPE lJ lKil S E T LEXINGTON MASS. I REV. APRIL 7,1986 \I SCALE: AS SHOWN JAN. 24 , 1986 0 C - BEDFORD LAND SURVEYORS CIVIL ENGINEERS 18 NORTH ROAD BEDFORD, MASS. A DIVISION OF BOSTON SURVEY CONSULTANTS SHEET 4 OF 5 SHEETS V• ZQ