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Home My WebLink About10 Surfside Terrace Proposed Sewage Disposal System PlanGARAGE SLAB ELEV=12.85 NAVD88 NOTE: ENTIRE LOT IS WITHIN THE 200 FT. R.A. 'NAIL IN POST ELEV. = 13.31 NAVD88 N EXISTING 150 GAL TANK SEPTIC NOTES) ^�O1 , ° 3x0V,�DRIVEWAY R.A. .9 `EPsm ACCESSORY BNLOING ON POSTS CA. COVER TO GRADE EXIST. GRACE EL - 55 PUMP CHAMBER SEE SPECIFICATIONS ECK VALVE VALVE PSV.. . R P•. U�,\'L.O� 200. • '' X2 Nk IY0�20 F �63ol 3 FT. MAPLE PROP D � TREE12x9 GALLE EXT. 18' 12x8 72x8 COVERED STOOP \ POp�TON AREA q OHP• "x, or 0. SPE 110 l 0 4. E1.13.6 6x�sr�G °,�I.uNG I' 12x7 3 0 12x2 DllnNG SLEEK >R' �pePvlD E �tip1 R.P N � w loxs o 0o, y o�0.i T2* 9 CA � Q9 Ip IL - i --10- ._ �9� A XB / / ILLE)aSTENG 6y15TN 5x2 CESSPOOL WITH S PR OSLPCE 1 PROPOSED OI -Al is.p gg PUMMP/CHAMBE loxs PpDO �l--�ppT10S�Ets J0\N� ATO SERVICE �2 P� PROPo W Ep1D BLpOYCS ACC. BLDG..- ; (LNG _ LS x � __� X..�•-��x pR--��ra'�IYpRk 4��P � uL01N�S0 vliov OPEN LAWN AREA 4 s 4 ,25� $Ea p NIA GRASS..'. WD uN � f��-i� . •.. -GiAA�NE 8�� 6U1�Ep0 4x5 IN �i� • • ...': ' EyySHw AEON R00 X00 EgB✓^gB PLAN 1 Inch = 20 ft fil \ ELEVATED DECK..:. EXISTING - ONE MANHOLE AND COVER -MM 24' DIA. RASE C01ERS TO W M 6' OF RNLI GRADE 'D' BOX RISER To MSN 9' EXIST. MADE EL = 133 OF FINISH a"a"FINISHH Y LAYER OF i WASHED 5 _ 370HE OR FABRIC � 18' DIA MANHOLE WITH CONCRETE COVER AND FRAME BROUGHT TO WTWN 6' OF FINISHED GRADE # GRADE = 133 �5;.'!i...� :. fir.. cz: ,.:. !:�:��%. ...,,. '. u� .� �,t'„t;,, .. ,•. , ..., .>,%�'�i.'/ :,.</ ., .�i.'S:a.� ..`„: �..%.%F !G.E.i <.�.;,;.i �.,; w: :.wi.,:: :a..;//.... :. '�. , �./��,��r::��'!: ��.. �i`%U. x z INY-=9.68 '.'..:. MNMUM D -80X . W.4.68N CLEAN BACKFILL'; ..: : INSIDE DIMENSIONS .. ::. M p, 12'x12' 1 2 �• Hanna nn nn nnnnn Hanna o :nnnnnnnn nn nnnonnnnnon. ��::..;. nnnnnnnn nn oonnnnnnnnn ¢�:::: sr it 1005 nnnnnnnn nn nnnnnnnnnnn o i .2 LL PIPES COMPARTMENT (I 11P 5 0 9.95 „', 9.78 1500 GAL WN. �� 314' - 1 1/P DU. 8.5' BOTTOM of S1 - .�7�� m 1000 IqN� DOUBLE WASHED STONE 431 W16' LAYER OF PROPOSED r y ficam STORK BO D- x LIGE( Mm REPLACE EXISTING SEPTIC TANK COMPACTED BASE REMAIN LEVEI.E)OG OR VD -m * W1 8' LAYER OF REMAIN RETCH FOR 7-0' BEFORE PITCHING DOW W PRECAST REINFORCED CONCRETE CRUSHED STONE LEACHING FACILITY OR CAPACITY: 2500 GALLONS PROVIDE 'SPEED LEVELS' NOTE: 2 COMPARTMENT SEPTIC SYSTEM PROFILE ALL PIPE TO BE 4" DIA. (H-10) PVC TIGHT JOINT WTH MINIMUM SLOPE OF 1/8- PER FT. NO SCALE 5P 5P IENCiH AS REWSID TYPICAL LEACH SYSTEM CROSS SECTION NO SCALE SAS CONSTRUCTION' 5 PRECAST 500 GALLON DRYWELLS AS MANUFACRIRED BY SHOREY PRECAST, INC. OR APPROVED EOUAI- SET END-TO-END IN A 13 FT- NIDE X 51 FT. LONG EXCAVATION TO THE DEPTH MID ELEVATIONS SHOWN. SURROUNDED BY DOUBLE -WASHED 314 TO 1-112 INCH GRADED GRADATE STONE TO THE ELEVATION SPECIFIED ON THE CROSS SECTION. SAS FACILITY SHALL BE COVERED WIN SUITABLE GEOTE(16.E FILTER CLOTH AS A SUBSTITUTION FOR THE 2 INCH PEASIDNE COVER LAYER. CONSERVATION NOTES I. THE SITE IS ATTHIN A RTVERFRONT AREA AS THAT AREA IS DEFINED UNDER THE MASS. WETLAND REGULATION& THE PROPOSED WORK ACTIVITY REPRESENTS A REDEVELOPMENT PROJECT. 2. THE WORK AREA SHALL BE RESTRICTED WITH A WORK LIMIT SILT FENCE OF STAKED FABRIC BACKED BY STAKED STRAW BALES OR AS OTHERWISE SPECIFIED BY THE YARMOUTH CONSERVATION COMMISSION WHERE SHOWN. THE WORKLIMIT SHALL REMAIN IN PLACE UNTIL THE WORK IS COMPLETE AND THE AREA CLEARED OF MINOR DEBRIS WITH GROUND COVER RESTORATION. 3. NO HOUSE- RELATED OR SEPTIC SYSTEM CONSTRUCTION WORK-RELATED ACTIVITY SHALL OCCUR BEYOND THE WORK LIMIT. 4. ACCESS TO THE WORK SITE SHALL BE FROM THE DRIVEWAY. 5. PROPOSED PATIO AREAS SHALL BE OF DRY LAID PATIO BLOCK OR BRICK AND SHALL NOT HAVE MORTARED JOINTS OR EDGES. 6. ALL OTHER AREAS DISTURBED BY CONSTRUCTION SHALL RECEIVE A S INCH MIN. COMPACTED THICKNESS LAYER OF TOPSOIL AND SHALL BE SEEDED WITH A CAPE COD GRASS SEED MIX SPECIFIED TO BE DROUGHT TOLERANT AND NATIVE. 7. CONTRACTOR IS REMINDED TO REFER TO THE ORDER OF CONDITIONS ISSUED FOR THE WORK ACTIVITY BY THE YARMOUTH CONSERVATION COMMISSION. & ROOF RUNOFF SHALL BE CONTROLLED BY USE OF DRYWELL OR GRAVEL DRIP EDGE DRAINS UNTIL THE SITE IS STABILIZED WITH VEGETATION. PROVIDE AN SEPTIC EFFLUENT / SEWAGE PUMPING SYSTEM FOR RESIDENTIAL SEWAGE DISPOSAL SYSTEMS SPECIFIED AS FOLLOWS: • PUMP CHAMBER- SHOREY MFG.5 FT. ROUND PUMP CHAMBER W 30" DIAM. ACCESS MANHOLE. • PUMP CHAMBER MUST BE SPECIAL ORDERED TO HAVE A LOWER PROFILE: 12 IN. RESIDUAL LIQ. LEVEL WITH 18 IN. LIQUID HEIGHT ABOVE THE 12 IN. RESIDUAL. (TOTAL SUMP VALUE OF 30 IN.) MINIMIZE PROFILE DUE TO GROUNDWATER INSTALLATION. TANK IS NON-BOUYANT IN SEAWATER AS SPECIFIED. • PUMP CHAMBER SHALL BE RENDERED WATERPROOF BY A SERIES OF MEASURES: IPENEX ADDITIVE CONCRETE, FACTORY WATERPROOF COATED W/ NEOPRENE BOOTS ON ALL FUNCTIONAL CHAMBER INLETS AND OUTLETS. • PROVIDE A MEDIUM DUTY, CAST IRON RING W/ SEALED BOLT -LOCKED COVER TO GRADE. • PUMP: MYERS SRM4 ; PROVIDE QUICK -RELEASE COUPLING FOR FORCE MAIN CONNECTION. RAIL SYSTEM IS RECOMMENDED. • LEVEL CONTROL AND ALARM SWITCHES SHALL BE SEALED, MERCURY FLOAT SWITCHES, CONNECTED THROUGH A NEMA 4 JUNCTION BOX ATTACHED ABOVE THE CHAMBER HIGH WATER LEVEL, WHILED IN ACCORDANCE WITH STATE ELECTRICAL CODE REQUIREMENTS. ELECTRICAL PERMIT IS REQUIRED. • PUMP SHALL BE ON SEPARATE ELECT. CIRCUIT FROM ALARM SYSTEM. • ALARM SHALL BE INSTALLED IN THE BUILDING SERVED BY THE SYSTEM. • SET TETHER FLOAT SWITCHES AS FOLLOWS: • "PUMP ON" 19 IN. ABOVE TANK BOTTOM • "PUMP OFF" 12 IN. ABOVE TANK BOTTOM • "ALARM ON" 20 IN. ABOVE TANK BOTTOM • DRAW -DOWN NOTE; 6INCH DRAW -DOWN = APPROX. 73 GAL. / DOSE; OF 73 GAL, APPROX. 53 GAL. ENTERS THE SEPTIC TANK; 20 GAL. FLOWS BACK TO THE PUMP CHAMBER AFTER EACH CYCLE. • PROVIDE A GATE VALVE ON THE 2INCH FORCE MAIN INSIDE THE PUMP CHAMBER. LEAVE IN OPEN POSITION. UPON INSPECTION OF SEPTIC TANK TURBULENCE THE GATE VALVE MAY BE ADJUSTED TO THROTTLE THE PUMP FLOW • PROVIDE CHECK VALVE ON 2" FORCE MAIN INSIDE CHAMBER. PROVIDE 1B" WEEP HOLE ON FORCE MAIN IN CHAMBER ON THE `D' BOX SIDE OF THE CHECK VALVE. • 2 IN. DIAM. HORIZONTAL PRESSURE PIPE RUN SHALL BESET AT A MIN. OF 4 FT. UNLESS SYSTEM SHALL BE WINTERIZED. CONSULT ENGINEER REGARDING INSULATION OPTIONS. • A 2IN. DIAR "TEE" FITTING IS REQUIRED WITHIN THE SEPTIC TANK AT THE END OF THE PRESSURE LINE. THE 2IN. DIAM. RCET AT THE SEPTIC TANK SHALL BE ORIENTED VERTICALLY AND EXTEND 10 INCHES BELOW THE TANK LIQUID LEVEL. THIS 2IN. DIAM.INLET PIPE SHALL HAVE A HORIZONTALLY ORIENTED "TEE" FITTING AT THE INLET PIPE OUTLET AT THE APPROX. 10IN. DEPTH. • PUMP AND ALARM SHALL BE TESTED PRIOR TO COMPLETION OF BACKFILLING • ALL PIPING SHALL BE PROPERLY JOINTED, TIGHT -GLUED SCH. 40 PVC; PROVIDE FORMED MORTAR If CONCRETE THRUST BLOCKS TO SECURE PIPE BENDS GENERALNOTES , I. ELEVATIONS REFER TO NAVD8& REFER TO THE BENCH31ARKS; # 1 A NAIL SET IN THE FENCEPOST WHERE SHOWN. # 2 LEADING OUTSIDE EDGE OF THE GARAGE SLAB AT CENTER POST. CONTACT CAPE COD ENGINEERING, INC. FOR ADDITIONAL ELEVATION INFORMATION. 2. PLAN REFERENCE: PLOT PLAN DATED JULY 14, 2014, OUTERMOST LAND SURVEY, INC. 3. ALL SEPTIC SYSTEM CONSTRUCTION MATERIALS AND PROCEDURES SHALL CONFORM TO THE STATE SANH'ARY CODE, TITLE 5 AND TOWN OF YARMOUTH HEALTH DEPT. APPROVAL FOR THE DESIGN. ' 4. THIS PLAN ASSUMES THAT THE SEPTIC SYSTEM UPGRADE PLAN DATED APRIL 12, 2011, AS PREPARED FOR KATHLEEN V. MARTIN BY CAPE COD ENGINEERING, INC. WAS IMPLEMENTED AS SHOWN AND INSPECTED BY YARMOUTH HEALTH DEPT. S. INSTALLATION CONTRACTOR SHALL VERIFY THE TWO EXISTING BUILDING SEWER PIPES AND CONNECT ONLY TO CAST IRON PIPES, OUTSIDE OF THE BUILDING. 6. WATER SERVICE PIPE SHALL BE EXACTLY LOCATED. PROPOSED PUMPING SYSTEM PRESSURE PIPE WHERE CROSSING THE WATER SERVICE SHALL BE SLEEVED IN A CONTINOUS 4 IN. PVC PIPE SEALED WITH MORTAR AT EACH END. 7. THE EXISTING REMAINING SEPTIC SYSTEM COMPONENTS: CESSPOOLS SHALL BE LOCATED BY FOLLOWDIG EXISTING PIPES AND OVER -FLOW LEADS. THE CESSPOOLS SHALL BE REMOVED OR, IF NOT IN CONFLICT WTFH OTHER YARD FEATURES FILLED IN COMPLETELY WITH SAND 8. SOIL TESTS INDICATE THAT NO OVER -EXCAVATION IS NECESSARY HOWEVER A 5 FT, PERIMETER EXCAVATION MUST BE DONE TO REMOVE ANY UNSUITABLE SOIL IF ENCOUNTERED BELOW AND AROUND THE PERIMETER OF THE NEW SAS PORTIONS. SOIL EVALUATION INDICATES NO OVER -EXCAVATION IS REQUIRED. 9. CONTACT CAPE COD ENGINEERING, INC PRIOR TO EXCAVATION TO SCHEDULE SOIL VERMCATION INSPECTION IF REQUIRED. 10. REPLACE THE STOCKPILED SUBSOIL ("B" HORIZON) PRIOR TO ROUGH GRADING AND TOPSOIL APPLICATION AND LAWN SEEDING. LANDSCAPE IMPROVEMENTS SHALL BE AS DIRECTED BY THE OWNER. 1L FULLY COMPACT ANY PIPE BED TRENCHES BENEATH DRIVEWAY PAVEMENT AREAS. PROVIDE SUITABLE BASE COURSE PRIOR TOP PAVING. 12. INSTALLER SHALL CONTACT ENGINEER AT TIME OF SYSTEM COMPLETION PRIOR TO EARTH COVERING FOR SYSTEM CERTIFICATION U REQUIRED. 13. CONTACT ENGINEER IF ANY QUESTTONS OR DOUBTS ARISE REGARDING SOIL CONDITIONS ENCOUNTERED DURING CONSTRUCTION. 14. NO KNOWN WELLS EXIST WITHIN 200 FT. OF THE PROPOSED SEPTIC SYSTEM COMPONENT& THE SITE IS SERVED BY TOWN WATER DESIGN DATA HYD. LOADING • DWELLING - 5 BEDROOMS X 110 GPD/BR= 550.0 GPD • ACCESSORY BUILDING -1 BEDROOM X 110 GPD =110 GPD -SEE PUMPING SPECIFICATIONS • TOTAL =660 GPD SEPTIC TANK DESIGN REPLACE EXISTING SEPTIC TANK WITH 2 COMPARTMENT, 2,500 GALLON SEPTIC TANK, H-10 RATED: # 1 COMPARTMENT -1,500 GAL.; # 2 COMPARTMENT 1,000 GAL. COMPARTMENTS SHALL BE FLOW CONNECTED WITH A 4INCH. TEE FITTINGS, W/ INLET AND OUTLETS EXTENDING A MINIMUM OF 10 INCHES BELOW THE LIQUID LEVEL. BOTH OUTLETS IN EACH COMPARTMENT SHALL BE FITTED WITH A GAS BAFFLE. * IF UNDER PAVEMENT PROVIDE MED. SAS DESIGN EXTEND SAS BY 181'f. (SEE PLAN) °m C.I. COVERS TO GRADE PERCOLATION RATE - LESS 5WI LONGTERM HYDRAULIC LOAD RATE= 0.74 GALIS.F. SIDE AREA= 2 (12.8'+ 511 (2) = 255.2 S.F. BOTTOM AREA= 12.8' X 51' = 652.8 S.F. LOADING: 255.2 S.F.+652.8 S.F. X 0.74 GAL/S.FIDAY = 671 -%TD TOTAL LEACHING CAPACITY = 671.9 GPD MODIFY EXISTING SAS AS SHOWN TO MATCH PROPOSED DMIENSIONS *THE DESIGN IS NOT SUITABLE FOR USE WITH A GARBAGE DISPOSAL UNIT GRIMES.DWG r' SOUTH YARMOUTH, MA KEY MAP NO SCALE PLAN SHOWING PROPOSED MODIFICATION TO AN EXISTING SUBSURFACE SEWAGE DISPOSAL SYSTEM WITH BUILDING MODIFICATIONS AND PATIOS AT 10 SURFSIDE TERRACE, SOUTH YARMOUTH, MA ASSESSORS MAP 51, PARCEL 68 PREPARED FOR THOMAS GRIMES 12 WINDSOR ROAD, EAST WALPOLE, MA 02032 Of JANUARY 2, 2015 SCALE - AS NOTED iRRT PREPARED BY m CAPE COD ENGINEERING, INC. PERRY ROBERT M. PERRY, P.E. CIVIL P.O. BOX 1517 No 35880a •u� : " PF EAST DENNIS, MA 02641 AaIt;TEa" TEL: 508-385-1445