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HomeMy WebLinkAboutEngineered Plan - Rev. 2018/Do. LOCUS MAP GENERAL NOTES: I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL SYSTEM ONLY. 2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS SET. SEE SI TE PLAN. J. ALL CONSTRUCTION METHODS AND MATERIALS AND MAINTENANCE OF THE SEPTIC SYSTEM SHALL CONFORM TO MASS. D.E. P. TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. 4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER THAN 3' IN DEPTH SHALL BE CAPABLE OF WI TH- STANDING H-20 WHEEL LOADS. 5. ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC OR APPROVED EQUAL. 6. SEPTIC TANK AND PUMP CHAMBER TO BE REINFORCED PRECAST CONCRETE OR APPROVED POLYETHYLENE. 7. BEFORE CONSTRUCTION CALL DIG- SAFE . 1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT. FOR LOCATION OF UNDERGROUND UTILITIES. 8. SEPTIC SYSTEM INSTALLER SHALL NOTIFY THE DESIGN ENG I NEER TWO DAYS PRIOR TO CONSTRUCTION OF THE SYSTEM TO ALLOW FOR SCHEDUL l NG OF THE CONSTRUCTION INSPECTIONS. 9. EXISTING SEPTIC TANK AND LEACHING TO BE PUMPED DRY AND BACKFILLED, 10. ALL UNSUITABLE MATERIAL (FILL. A A B LAYERS) ENCOUNTERED BELOW THE INVERT OF THE LEACHING FACILITY TO BE REMOVED FOR A DISTANCE OF 5' AROUND AND REPLACED WITH SAND IN ACCORDANCE WI TH TI TLE 5. I l . INVERT AT THE DWELLING TO BE RAISED TO THE ELEVATION SHOWN. PUMP SYSTEM NO TES : I. P(M(P TO BE MYERS RESIDENTIAL SEWAGE PUMP MODEL SRM4 OR EQUAL. 4" PVC 2. THE PUMP SHALL START AND STOP AT THE ELEVATIONS SHOWN. J. THE PUMP SHALL BE INSTALLED 1N STRICT CONFORMANCE WITH THE MANUFACTURER'S SPECIFICATIONS AND TITLE V REGULATIONS, PUMP DISCHARGE SHALL BE 2 INCHES. PUMP SHOULD BE ABLE TO BE DISCONNECTED AND LIFTED OUT OF THE PUMP CHAMBER WITHOUT HAVING TO ENTER THE PUMP CHAMBER. 4. THE ALARM SHALL START AT THE ELEVATION SHOWN AND BE POWERED BY A CIRCUIT SEPARATE FROM THE PUMP POWER. 5. AN ELECTRICAL PERMIT MUST BE OBTAINED FOR THIS INSTALLATION. 6. USE GATE VALVE TO ADJUST DISTAL HEAD AT END OF NETWORK TO 2.5'. _ CSS COVER MUST I' PERF PIPE MIN, 2" OF 3/4 I 112" DIA . ACCESS COVERS MUST BE WITHIN ACCESS CETS FINISH GRADE W/ORIFICE DIFFUSERS, pEASTflNEA `DOUBLE WASHED STONE CLEANOUT 6" OF FINISH GRADE T J 1 1 - SEE DETA I L N �m / ��� ~ -W 98.0 �£WAGf HYDRANT 97.4 2 " MANI FOLD-/ 98.7 I \ 98.2 FLOAT OHW- EFFLUENT FILTER 97.95 97.9 11'K 28' LEACH FIELD UNDERGROUND ELECTRIC LINE -T- UNDERGROUND TELEPHONE LINE - CT v UNDERGROUND CABL EV I S ION LINE MANIFOLD AND FORCE MA 1 N SPOT ELEVATION ---.-.,-40 ....... 1.33 40 94.2 � 8 �� �� � °� TO ORA I N BACK TO PUMP /500 GALLON 500 GALLON CHAMBER WHEN PUMP SHUTS OFF OBSERVED AND AD✓(rsrED l NF 1 L TRA TOR 1 M-1530 I NF I L TRA TOR IM -540 - GROUNDWATER. EL -94.2 POL YPROPYLENE POL YPROPYLENE SEPTIC TANK PUMP CHAMBER 6- CRUSHED STONE OR COMPACTED BASE #FF `T wooDEo SNAMP - - \ WF OFWF KETLANO t � 24- OIAM COVER TO GRADE rMINIMUM MIN. AST IR II � IRON FRAMEME AND CCOVERS TO FINISH GRADE NOTARED IN PLACE WITH CONCRETE FOOTIND 2-45° OR SWEE CLEANOUT ALTERNATE Fls' 0 ° 114- VENT HOLE 1 " LATERAL 114' DRAT N HOLE AT END OF LATERAL 2- MANIFOLD I/4- PERFORATION IN CROWN OF PIPE W/POLYLOK ORIFICE DIFFUSOR F-3' ORIFICE DIFFUSER) RR �--- --- 4" DIAM INSPECTION PORT 9' MIN OF 3/4 1 //2 DIAv DOUBLE WASHED STONE °0 VARIANCES REQ U I RED : INVERT EL E VA T I ONS : DESIGN CRI TER I A : i/ TITLE S. MAXIMUM FEASIBLE COMPLIANCE INVERT AT BUILDING: 98.5 DESIGN FLOW: 1� p2 -E SECTION 15.212:(6) DEPTH TO GROUNDWATER INVERT IN SEPTIC TANK: 98.25 2 BEDROOMS AT 110 G.P.D. PER 3$ INVERT OUT SEPTIC TANK: 98.0 BEDROOM EQUALS 220 G.P.O. I � -16* 5' /S REQU/REO BETWEEN THE BOTTOM OF THE SAS AND THE MAXIMUM GROUNDWATER I 50.0 ELEVATION. 4' 15 PROPOSED. A I' VARIANCE IS REOUESTEO, INVERT IN PUMP CHAMBER: 97.95 INVERT OUT PUMP CHAMBER: 97.4 NO GARBAGE GRINDER I ^ / INVERT MANIFOLD: 97.9 SEPTIC TANK REOUIRED: I LOT 2`tG �0 / � 2l -el" l �G `%% �U� INVERT IN LEACH FIELD: 98.T y 6.250+ S.F. INVERT END LEACH FIELD: 98.9 220 G.P.D. X - 440 GAL. 96-4 SEPTIC TANK PRROVIOVI DED: 1500 GAL. MIN. +96 4 BOTTOM OF LEACH FIELD: 98.2 I SHED ADJUSTED GROUNO WATER: 94.2 SOIL ABSORPTION SYSTEM REQUIRED: 96.7 / OBSERVED GROUND WATER: 94.2 DESIGN PERC RATE C 5 MIN/INCH I i BOTTOM OF TEST HOLE s!: 90.1 SOIL TEXTURAL CLASS - I 1 SO' Fgpdj £PGE / cn .��% INDEX WELL MIW 29. ZONE A EFFLUENT LOADING RATE - 0.74 GPD/SF MARCH 2018 READING -5.5'. ADJ-0.0' 220 GPD / 0.74 GPD/SF - 298 S.F. REQUIRED It OF TLgNO - -i Pemlit v�alad for REPAIR OF SEPTIC SYti"1'FK1 I _-_+97.5 qlqLY•, dice to State and i oral septic variances. PROVIDED: Il'x 28' LEACH FIELD - 308 SF d�(9afd Of'1'nealth,review and approval is required for 308 SF x 0.74 GPDJSF-228 GPD 96.2 1500 GALLON yyOpK _ - ' � �+ ' t SEPTIC TA,VK n 18niy future aif�ittiq.nslreno.%alio�Ls/aherations t4 9y�. _ _ _ X/STING TANK ^� sewage fAee! ties and/or structo es/daellin SOIL TES T PIT DA TA t\ i/ Tp#I �� CA YarmQUth .11e�f•t1i t9c.pnrt�ncnt. fN0(CATES _� INDICATES \` pUyp 8.2" N _ ^ - TES TOLATION = GROUNDWATER -- CHAMBER :•�:•: ... / ' 3 p +�' `/. +97.3 gip• pjEcK 4 co J TP •I TP 02 HORIZON TEXTURE COLOR g7 4 O HORIZON TEXTURE COLOR L 99.7-.-- '/6 n - e �_-. -- 453�' -- - - LOAMY ~ IOYR LI �€„e Date FILL A SAND 3/4 r; --------------- --------------- ' 28' 95,/ 10' 98.9 i g _ q TCyIEN LOAMY IOYR LOAMY IOYR /00. FROy E oF, BA K 1 © - / A SAND 3/4 B SAND 5/6 1rF?LAND BEDROOM 34 - --- ---- - - - - --- 94.9 24' --- ------ - ----- 97.7 _ B LOAMY IOYR C I MEDIUM IOYR L I V l NG c / T J SAND 5/6 c ROOM ( ,Pl !.t" �, BEDROOM SAND 6/4 1 40' ------------ - -- 94./ C I MEDIUM 10YR 99.7 / j r r v ��\N ASSgC SAND 6/4 Tn >w ' • eb TERRY G� ", 50' 93.2 n 99.7 \ , / +/00.6 rl �. �. �' �� T' +99.2 / /1 28*co WATER LINE TO '.. - / BE RELOCATED 10' FROM SAS INSPECTION l`J 10 PORT(TYP) VP# ; / 8'TREE 99.8 ✓ 0 + LEACH FIELD 5 ICXFT FENCE $OIL REMOVAL \ P I0o.5 \ UP 10 SEE NOTE 10. \ 100.3 BM. CB/ON FND ND� EL -100.84/00.0 o AD IRCUIT PUMP DE TA I L : NOT TO SCALE USING 500 GAL. PUMP CHAMBER LEGEND 2' PVC OUTLET 13 CB CONCRETE BOUND -W WA TER L / NE O HYDRANT --G GAS LINE FLOAT OHW- OVER HEAD WIRES SWITCHES LIGHT POST z - UNDERGROUND ELECTRIC LINE -T- UNDERGROUND TELEPHONE LINE - CT v UNDERGROUND CABL EV I S ION LINE + 40.4 SPOT ELEVATION ---.-.,-40 ....... EXISTING CONTOUR 40 PROPOSED CONTOUR i k 3Eb No. 38*, Q7F 66' 94.? CS yta+ cr"xc%"��lV tS0 /� 88 90.1 TO' 93.9 DATE: MARCH 7. 2018 TEST BY: STEPHEN HAAS WITNESSED BY: PHIL RENAUD lIv PERC RATE: ! 2 MIN/INCH SEPTI C SYS TEM CIES / GIOI 5 1 C / RCU I T ROACH NORTH . MAP 48 . PARCEL 30 WES T YARMOC.JTH PREPARED )=OR: ,JAME7S ) I TZO I B B ONS 40 BENJAMIN WAY. WEST YARMOUTH. MA 02673 SCALE : I - 20' MAY 1 7. 2018 REVISED: MAY 28. 2018 (TANKS) STEPHEN A. HAAS ENGINEERING P. O. Box 16 South D4enn i s MA 02660 ( 508) 362-8 1 32 JOB NO: 18-004