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HomeMy WebLinkAbout83-1494 - Site & Sewage PlanAlf ASSESSORS MAP: 70 PARCEL: 116 LOCUS CURRENT ZONING: R-40 1952 SUBDIVISION) BUILDING SETBACKS: F: 30' S: 20' R: 20' Fyg FLOOD ZONE: C, B & A7 (EL9) LOCATION MAP LOT AREA 080 + S.F. ) gLE 28�� EDGE OF PAVE C I` ,28 26 26-�24 BENCHMARK TOP OF \ ` CONCRETE BOUND c� P ELEV= 27BT > Cdr ¢ EXISTING COTTAGE 22 20 i 18 22' , 16 VENT N2'O ' PROPOSED ADDITIONS -- (SQUARE OFF BREEZE -WAY ' 04v . 1 PROPOSED ADDITION DECK 16' 44' 8. PROPOSED 3r 3S 6 BEDROOM DWELLING 44' 14'-7" 32'-3" I PROPOSED DWELLING TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. FITNESS: KELDA WELSH DATE: 9-14-99 PERCOLATION RATE: _ < 2 MIN/IN TH-1 22.0 0/A HORIZON LOAMY SAND 1f" lOYR 3/2 21.1 B HORIZON LOAMY SAND 24" fOYR 5/8 20.0 C HORIZON MED -FINE SAND 2.SY 7/2 132 111.0 NO GROUND WATER ENCOUNTERED SEPTIC SYSTEM DESIGN FLOW ESTIMATE: S_ BEDROOMS AT 110 CAL/DAY/BEDROOM = 660 CAL/DAY SEPTIC TANK: /f EM GAL/DAY x 2 DAYS =1220 CAL USE 1500 1 GALLON SEPTIC TANK I m A6' 14 i f00' FROM BVW 12 PROPOSED ADDITION f0 (DECK) NOTES: 1. VERTICAL DATUM: NGVD 2. MUNICAPAL WATER IS AVAILABLE. S. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 & H-20 LOADING SPECIFICATIONS. 5. PIPE PITCH = 1/4" PER FOOT, (UNLESS NOTED OTHERWISE). 6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL. 7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE USE OF A GARBAGE DISPOSAL. 8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL HEALTH REGULATIONS. 9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR TO CONSTRUCTION. 10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO EXCEED 3.0'. 11. AN ELECTRIC PERMIT IS REQUIRED PRIOR TO INSTALLATION OF PUMP SYSTEM. 12. WORK LIMIT LINE TO BE DOUBLE STAKED HAY BALES OR SILT FENCE. LINE TO BE STAKED PRIOR TO ANY SITE WORK. 13. ROOF RUN-OFF TO BE DIRECTED TO DRYWELLS OR STONE TRENCHES AT DRIP LINES. 14. ALL DISTURBED AREAS TO BE REVEGETATED OR MULCHED UPON COMPLETION OF PROJECT. 15. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLED WITH SAND OR REMOVED. 16. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. LEACHING AREA: USE S- 500 GALLON CHAMBERS WITH 4' OF STONE ALL AROUND (50.5 x 12.8' x 2' DEEP) SIDE AREA 50.5 + f2.8 2 x 2 = 253 (.74) = 187 GAL/DAY BOTTOM AREA 50.5.T 12.8' = 646 SF (74) - 478 CAL/DAY CAPACITY = 665 CAL/DAY SEPTIC SYSTEM SECTION COVERS IIITEIN li OF rl'w'='F7 CRA.nS COVEF. rr,•T'IN E" OF CRAPE ((ONa INSPECTION COVER 16.0 TO PE VITHIN 6" OF GRADE) TOP OF FND. t, PRESSURE LINE TEE AT ^� 2' PR£SSuR£ LINE INLET TO D -BOX CAS LE 12.45 8S5 r^ I BAFFZa EL� ///jjj'''� 12.7 1500 f:j ELEV. EXISTING WING TO BE REMOVED ELEV GAL 122 SEPTIC TAWK 1000 CAL DRAIN HOLE D_ OX ri76 130 ELEV, (6" OF STONE UNDER ORACTED PUMP CHAMBER 1793 (6" OF ELEV. -TOP OF COASTAL BANK ELEV. MECHANICALLY COMP) WITH MYERS ELEV. STONE � ii PUMP. PUMP ALARM ALARM UNDER) f7 TEE SIZES: INLET: 6" UP, 13" DOWN OUTLET: 6" UP, 14" DOWN 16 �y 6 o -4 39 nVl%A, Liml7' L1Nd'-� 6- I'�' .R " (SEE NOTE 12) 6 A EDGE OF BORDERING VEGETATED FETLAND 37X : KEY: EXISTING CONTOUR: - - - - PROPOSED CONTOUR: ............ .......-- EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION: 25 TEST HOLE: -4)- UTILITY POLE: -O- FENCE LINE: HYDRANT. -& RETAINING WALL: TREE: vw DM # 22 --ML 4- 3.7 2.4 BENCHMARK AT m CONCRETE BOUND ELEVATION - 3.96 EDGE OF SALT MARSH WRACK LINE EXISTING DOCK DEMAREST-McLELLAN ENGINEERING 24 SCHOOL STREET P.D. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE A FAX : (508) 398-7710 PACKAGE TO BE INSTALLED IN DWELLING POWERED BY A CIRCUIT SEPARATE FROM THE PUMP POWER, DISTANCE' BETWEEN ON/OF SWITCH TO BE 8"). (DISTANCE BETWEEN ON SWITCH AND ALARM TO BE 12") APPROVED BY: DATE: THOMAS McLELLAN, P.E. 11 JOHN Z. DEMAREST JR., P.L.S L ELEV, 2" PEASTOh'E 314--1 1/2" �-WASHED STONE ELEV.= f7B /IN III -PI fi, 15.0 E4 4 ELEV. 50.62 5- 500 GALLON CHAMBERS WITH 4' OF STONE ALL AROUND (H-20) (50.5 x 12.8' x 2' DEE]) (TO BE VENTED) SITE AND SEWAGE PLAN LOCATION.• 38 CHARLES STREET SOUTH YARMOUTH, MA PREPARED FOR: DENNIS DUCHARME SCALE: 1" = 40' DATE: 10-22-99 REFERENCE: PLAN BOOK 104 PACE 127 REVISED: fl -3-99 REVISED: 3-6-00 REVISED: B-4-00 LK DATE9- OF 'joZ OEh".CRES1 JR ii 4N0 36859_ THOMAS McLELLAN, P.E. 11 JOHN Z. DEMAREST JR., P.L.S L ELEV, 2" PEASTOh'E 314--1 1/2" �-WASHED STONE ELEV.= f7B /IN III -PI fi, 15.0 E4 4 ELEV. 50.62 5- 500 GALLON CHAMBERS WITH 4' OF STONE ALL AROUND (H-20) (50.5 x 12.8' x 2' DEE]) (TO BE VENTED) SITE AND SEWAGE PLAN LOCATION.• 38 CHARLES STREET SOUTH YARMOUTH, MA PREPARED FOR: DENNIS DUCHARME SCALE: 1" = 40' DATE: 10-22-99 REFERENCE: PLAN BOOK 104 PACE 127 REVISED: fl -3-99 REVISED: 3-6-00 REVISED: B-4-00 LK DATE9-