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Home My WebLink About167 River Street - Sewage Disposal Upgrade Design 2INSPECTION SCHEDULE 1. ENGINEER SHALL INSPECT WHEN THE REQUIRED EXCAVATION IS COMPLETE. 2. WALL LOCATION TO BE STAKED OUT PRIOR TO CONSTRUCTION. 3. ENGINEER SHALL INSPECT INSTALLATION OF WALLS AND IMPERVIOUS BARRIER. PRIOR TO BACKFILL. 4. ENGINEER SHALL INSPECT WHEN CLEAN FILL WITH A PERCOLATION RATE OF LESS THAN TWO (2) MINUTES PER INCH HAS BEEN PROPERLY DEPOSITED. 5, ENGINEER SHALL INSPECT WHEN THE COMPONENTS OF THE SEPTIC SYSTEM AND THE PUMP MECHANISMS HAVE BEEN INSTALLED, PRIOR TO BACKFILL. 6. ENGINEER TO INSPECT FINISH GRADE AROUND VERSA-LOK RETAINING WALL OR APPROVED EQUAL 1500 GALLON H-10 PUMP CHAMBER: PUMP do FLC... CONTROL - CABLES - 5'-8' DOSING CALCULATIONS: DESIGN FLOW TO CHAMBER = 880 GPD REO'D EMERGENCY STORAGE - 880 GAL EMERGENCY STORAGE PROV'D = 998 GAL 32'x5' -2"x10' -0"x7.48 GAL/CF = 1031 GAL PROVIDED NUMBER OF DOSING CYCLES = 8 PER DAY DEPTH PER CYCLE = 4 INCHES 4"x5' -2"x10' -0"x7.48 GAL/CF = 127 GAL/DOSE DESIGN MH = 12 FEET DESIGN GPM = 59 GPM PUMP CHAMBER BUOYANCY CALCULATION: H-10 1500 GAL. BUOYANCE FORCE _ (2.5-0.27 ') X 62.4 Ib/cf X 10'6" X 5' 8" =8,269 LBS WEIGHT OF TANK = 11,480 LBS WEIGHT OF SOIL = (1' X 10'6" X 5'8") X 85 Ib/Cf = 5,051 LBS 11,480 LBS + 5,051 LBS = 16,531 LBS > 7,223 LBS UMP DOSING CALCULATIONS 1. DETERMINE VOLUME OF EFFLUENT TO BE PUMPED TO PRESSURE LATERALS DAILY FLOW = 880 GALLONS NUMBER OF DOSES PER DAY = 8 NUMBER OF GALLONS = 880/8 = 110 GALLONS DRAIN BACK VOLUME 2" FORCE MAIN do 2" MANIFOLD = 3.2 GALLONS PUMPING VOLUME = DOSING VOLUME + DRAIN BACK VOLUME 113.2 GAL= 110 CAL +3.2GAL 2. DISCHARGE RATE 59 GPM 0 12 THD 3. PUMP USE MYERS MW50 PUMP OR APPROVED EQUIVALENT. WITH VERTICAL FLOAT SWITCH PRESSURE DOSE SPECIFICATIONS PERFORATION SIZE: 1/4" DIAMETER PERFORATION SPACING 5' O.C. LATERAL DIAMETER 1.5" x 50' LONG MANIFOLD DIAMETER 2" PERFORATIONS ON ADJACENT LATERALS TO BE STAGGERED TOTAL # = 48 PERFORATIONS (3) LATERALS W/10 PERFORATIONS EACH (2) LATERALS W/9 PERFORATIONS EACH EXACT DIAMETER HOLES SHOULD BE SHOP DRILLED WITH A DRILL PRESS TO ENSURE UNIFORMITY. REMOVE BURRS PRIOR TO PLACING PIPE. FINISHED GRADE 2% MIN. 2- MIN. OF 1/8- TO 1/4 - DOUBLE WASHED STONE TOP STONE ELEV. 8.3 3" PVC SCH 40 FORCE MAIN ORIFICE SHIELDS AS MANUFACTURED BY ORENCO SYSTEMS INC. OR APPROVED EQUAL 2' 2'-6' 5'-0'm ALTERNATE PERFORATIONS -------- 4'-6 ---------- W -p-0-------- 5' 1.5'PVC SCH 4�L. MALS ` SET LEVEL AT ELEV. 00 1/4- PERF. (TYP)- 90' ELBOW 6" OF 3/4" TO 1 1/2" DOUBLE WASHED STONE 3- SCH 40 PVC MANIFOLD PIPE PITCH 0005 % BACK TO FORCE MA 1.5"DIA. SCH-40 PVC LATERALS SNAP-ON SHIELD CE SHIEL[ NOT TO SCALE ORIFICE SHIELD OS150CW ORENCO SYSTEMS INC. RHONE 1-800-348-9843 )R EQUAL DRAINAGE SLOTS 7" DIA. CONTROL VALVE BOX AS MANUFACTURED BY AMETEK PLYMOUTH PRODUCTS DIVISION. PAT. x(3858765 PVC OR APPROVED ` CAP NUT TO BE BROUGHTHT TO TO \\ FINISHED GRADE 5'-0"--�1 SYSTEM LAYOUT III -i 2-1" 45' BEND r IN' 1/4" PERFORATION TO BE PLACED -� 0 5' ON CENTER AT THE 6 O'CLOCK POSITION SECTION A - A NOT TO SCALE 12" MIN 2'-0" - 5'-0"LI 2'-O" 36" MAX coVER o eI �ono-!ti%* o` 1.5" PVC SCH 40 pp op LATERALS. (TYP) 12 6" OF 3/4" TO 1 1/2' ORIFICE SHIELDS AS DOUBLE WASHED STONE MANUFACTURED BY ORENCO SYSTEMS INC. 1/4" PERFORATION TO BE PLACED OR APPROVED EQUAL ® 5' ON CENTER AT THE 6 O'CLOCK POSITION SECTION B - B NOT TO SCALE 6" OF 3/4' To 1 1/2" DOUBLE WASHED STONE TO BE PLACED ADJACENI TO 1/8- VENT HOLE AND BENEATH VALVE BO: ETA! L 1/4" VENT HOLE PERFORATION TO BE PLACED NEAR THE CROWN OF THE PIPE IN THE 45' BEND AT THE END OF EACH LATERAL MARK O. DIBB CIVIL NO. 45937 REVISIONS 24" DIA MIN. MANHOLE COVER FIN. GR. EL -9.00`BROUGHT TO WITHIN 6" OF FINISH GRADE W. Yarmouth Massachusetts 02673 50E; 778 8919 PROJECT TITLE: DESIGN FOR SEWAGE DISPOSAL UPGRADE TOP EL = 6.27 RIVER STREET APPROX. 24" COVER MASSACHUSETTS PREPARE[, FOR: ERT ARCHITE^TS, INC. 4 ti (508) 362-8883 DATE: 1/24/2007 3" GATE VALVE NOTES: DRAWN: M. DIBB FROM SEPTIC FILE NO. 488970031:32.DWG DWG NO. 5671-02 SHEET 2 OF 2 JOB NO. 4-8897.0( 3" PVC 1. PUMP CHAMBER TO WITHSTAND INV.=5.10 TANK SECURE CHAIN DISCHARGE H-10 LOADING -� TO WALL 6,-0" ADJ. G.W. 2.5 EMER'32" STOR. ao a N PIPE INV 4.85 3' GALV. UNION/WEEP HOLE 2. WATERPROOF' AT FACTORY ALARM ELEV.-2.43 SL _ = v OR APPROVED EQUAL. w 0 . -� CHECK VALVE PUMP ON EL=1.93 6" m o o a " SCH 80 3. ALL PIPE CONNECTIONS AND CONCRETE oR w PVC THREADED CONSTRUCTI(N SHALL BE WATERTIGHT. •• 4" D w O m PIPE PUMP OFF EL = 1.60 o. L) ? 3 MERCURY FLOAT 4• RAISE MANHOLE TO FINISH GRADE WITH 10 a �' 8 LEVEL CONTROLS SEWER BR0 AND MORTAR. FULL OUTER BOT. EL =0.27 ." ' 3' • " i ` ,.' MORTAR PARGE TO PROVIDE WATER ,ems "e MYERS MWSD SEWAGE PUMP/ TIGHT SEAL, VERTICAL FLOAT SWITCH 5. POWER CABI_S TO BE PLACED IN 6" MIN. 3/4" TO 1 1/2- STONE LOCATED UNDER MH CONDUIT IN ACCORDANCE WITH LOCAL NOT TO SCALE 59 GPM ® 12' TDH BUILDING AND WIRE CODES. PUMP CHAMBER BUOYANCY CALCULATION: H-10 1500 GAL. BUOYANCE FORCE _ (2.5-0.27 ') X 62.4 Ib/cf X 10'6" X 5' 8" =8,269 LBS WEIGHT OF TANK = 11,480 LBS WEIGHT OF SOIL = (1' X 10'6" X 5'8") X 85 Ib/Cf = 5,051 LBS 11,480 LBS + 5,051 LBS = 16,531 LBS > 7,223 LBS UMP DOSING CALCULATIONS 1. DETERMINE VOLUME OF EFFLUENT TO BE PUMPED TO PRESSURE LATERALS DAILY FLOW = 880 GALLONS NUMBER OF DOSES PER DAY = 8 NUMBER OF GALLONS = 880/8 = 110 GALLONS DRAIN BACK VOLUME 2" FORCE MAIN do 2" MANIFOLD = 3.2 GALLONS PUMPING VOLUME = DOSING VOLUME + DRAIN BACK VOLUME 113.2 GAL= 110 CAL +3.2GAL 2. DISCHARGE RATE 59 GPM 0 12 THD 3. PUMP USE MYERS MW50 PUMP OR APPROVED EQUIVALENT. WITH VERTICAL FLOAT SWITCH PRESSURE DOSE SPECIFICATIONS PERFORATION SIZE: 1/4" DIAMETER PERFORATION SPACING 5' O.C. LATERAL DIAMETER 1.5" x 50' LONG MANIFOLD DIAMETER 2" PERFORATIONS ON ADJACENT LATERALS TO BE STAGGERED TOTAL # = 48 PERFORATIONS (3) LATERALS W/10 PERFORATIONS EACH (2) LATERALS W/9 PERFORATIONS EACH EXACT DIAMETER HOLES SHOULD BE SHOP DRILLED WITH A DRILL PRESS TO ENSURE UNIFORMITY. REMOVE BURRS PRIOR TO PLACING PIPE. FINISHED GRADE 2% MIN. 2- MIN. OF 1/8- TO 1/4 - DOUBLE WASHED STONE TOP STONE ELEV. 8.3 3" PVC SCH 40 FORCE MAIN ORIFICE SHIELDS AS MANUFACTURED BY ORENCO SYSTEMS INC. OR APPROVED EQUAL 2' 2'-6' 5'-0'm ALTERNATE PERFORATIONS -------- 4'-6 ---------- W -p-0-------- 5' 1.5'PVC SCH 4�L. MALS ` SET LEVEL AT ELEV. 00 1/4- PERF. (TYP)- 90' ELBOW 6" OF 3/4" TO 1 1/2" DOUBLE WASHED STONE 3- SCH 40 PVC MANIFOLD PIPE PITCH 0005 % BACK TO FORCE MA 1.5"DIA. SCH-40 PVC LATERALS SNAP-ON SHIELD CE SHIEL[ NOT TO SCALE ORIFICE SHIELD OS150CW ORENCO SYSTEMS INC. RHONE 1-800-348-9843 )R EQUAL DRAINAGE SLOTS 7" DIA. CONTROL VALVE BOX AS MANUFACTURED BY AMETEK PLYMOUTH PRODUCTS DIVISION. PAT. x(3858765 PVC OR APPROVED ` CAP NUT TO BE BROUGHTHT TO TO \\ FINISHED GRADE 5'-0"--�1 SYSTEM LAYOUT III -i 2-1" 45' BEND r IN' 1/4" PERFORATION TO BE PLACED -� 0 5' ON CENTER AT THE 6 O'CLOCK POSITION SECTION A - A NOT TO SCALE 12" MIN 2'-0" - 5'-0"LI 2'-O" 36" MAX coVER o eI �ono-!ti%* o` 1.5" PVC SCH 40 pp op LATERALS. (TYP) 12 6" OF 3/4" TO 1 1/2' ORIFICE SHIELDS AS DOUBLE WASHED STONE MANUFACTURED BY ORENCO SYSTEMS INC. 1/4" PERFORATION TO BE PLACED OR APPROVED EQUAL ® 5' ON CENTER AT THE 6 O'CLOCK POSITION SECTION B - B NOT TO SCALE 6" OF 3/4' To 1 1/2" DOUBLE WASHED STONE TO BE PLACED ADJACENI TO 1/8- VENT HOLE AND BENEATH VALVE BO: ETA! L 1/4" VENT HOLE PERFORATION TO BE PLACED NEAR THE CROWN OF THE PIPE IN THE 45' BEND AT THE END OF EACH LATERAL MARK O. DIBB CIVIL NO. 45937 REVISIONS NO. DATE DESCRIPTION 349 41ain Street, (RT 28) Unit D W. Yarmouth Massachusetts 02673 50E; 778 8919 PROJECT TITLE: DESIGN FOR SEWAGE DISPOSAL UPGRADE 1 ;T RIVER STREET YARMOUTH MASSACHUSETTS PREPARE[, FOR: ERT ARCHITE^TS, INC. 939 ROU"E: 6A YARMOUTH POR"', MA 02675 (508) 362-8883 DATE: 1/24/2007 COMP. DESIGN: M. DIBB ,CHECK: K. HEAL`_ DRAWN: M. DIBB _ FIELD: D. GAZ70LC / J. McCARTIN FILE NO. 488970031:32.DWG DWG NO. 5671-02 SHEET 2 OF 2 JOB NO. 4-8897.0(