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HomeMy WebLinkAbout83-1409 - Site & Sewage Plan002`-r S o tw ROUTE 28 REQUIRED TITLE FIVE VARIANCES !. SECTION 152110): LEACHING AREA TO BE LESS N THAN !0' FROM PROPERTY LINES, (89. LOCUS REQUIRED YARMOUTH VARIANCES 1. LEACHING AREA TO BE LESS THAN !OO' FROM WETLAND, (50'). (THE SEPTIC SYEMFEASIBLE COMPLIANCE BEEN DESIGNED TO MAXIMUM LOCATION MAP ASSESSORS MAP. !2 PARCEL:D, 118 *t FLOOD ZONE: A 12 EL 12) 4 H 6.5 ` ' - 111=I1IW111= ELEV �- 4 MIL POLY 5 5' 3' ASPHALTIC SEALING 3.5 ELEV 4I11=11I 12" 12" 1.0 ' ELEV 3 PROPOSED CONCRETE RETAINING WALL REINFORCING STEEL: 1p : #4 0 f8" 0/c (2) : #4 0 36" 0/c ©: 4 ea #4 ®: #4 0 1z' 0/c NOTE. ALL PEAT IS TO BE REMOVED UNDER FOOTINGS. AREA TO BE COMPACTED WITH BACKHOE PRIOR TO CONSTRUCTION. PROPOSED PAVED DRIVE {PAVEMENT TO BE PITCHED OWARD FRONT YARD AND STREET TO PREVENT RUN-0FF FROM FLOWING TO WETLAND) 4 14, 5 3 WORK LIMIT LINE !i ;,�'' TOTAL AREA SEE NOTE 16 2404 + S.F. 1 (0.57± AC.) EXISTING SEPTIC SYSTEM ��,�' (SEE NOTE # 12 ) / .4 FIRST FLOOR OF EXISTING DUELLING TO BE RAISED A'�O•q�s, / TO ELEVATION 122 TOP OF COASTAL BANK + , 3.8 4.3 i xf�pA , SOC EDGE OF WETLAND PROPOSED HATER LINE BENCHMARK AT 4+ PK NAIL ` 3 � /�: '..{�-® '� •' � � `'�. ELEV. 3.42 4. 0;. � EXISTING RETAINING WALL, ELEV. - 6.5 KEY: EXISTING CONTOUR: PROPOSED CONTOUR: .............................. HYDRANT EXISTING SPOT ELEVATION: 25.5 / 413.2 PROPOSED SPOT ELEVATION: 25 TEST HOLE: DM UTILITY POLE: -- DEMAREST-McLELLAN ENGINEERING FENCE LINE: ---- 24 •-24 SCHOOL STREET P.O. BOX 463 HYDRANT: -& WEST DENNIS, MASSACHUSETTS 02670 RETAINING WALL: ==m=m PHONE & FAX : (508) 398-7710 DM # 96-056 (D18F26F) TEST HOLE LOGS ENGINEER: THOMAS McLELLAN P.E. WITNESS: RON CADILLAC R.S. DATE: 6-21--96 PERCOLATION RATE: < 2_MIN/IN TH-1 3.4 FILL ELEV 36" SAND A LOAM 0.4 A HORIZON PEAT Ar 2.5Y 2S/1 -0.8 E HORIZON ' FINE SAND 6O" 2Y5Y 7/1 -!.6 B HORIZON LOAMY SAND 78' IOYR 3/3 -3.1 C HORIZON FINE SAND 144' 2.5y 5/4 -8.6 SEPTIC SYSTEM DESIGN FLOW ESTIMATE: _4- BEDROOMS AT _ 110-- GAL/DAY/BEDROOM = 440 GAL/DAY SEPTIC TANK: 440- GAL/DAY x 2 DAYS = 880 GAL USE 1500 GALLON SEPTIC TANK LEACHING AREA: USE 6 STANDARD INFILTRATORS WITH 4' OF STONE AROUND SIDES AND T AT ENDS 50' x 1T x 7" DEEP) SIDE AREA 50 + 11 )2 x 7" = 71 SF (.74) = 53 CAL/DAY BOTTOM AREA: 50'x 11' = 550 SF (74) =_107 CAL/DAY TOTAL CAPACITY = 460 GAL/DAY SEPTIC SYSTEM SECTION 122 PROPOSED FIRST FLOOR NOTES: 1. VERTICAL DATUM: NGVD 2. MUNICAPAL WATER IS AVAILABLE. S. SCHEDULE 40 - 4' PPC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 LOADING SPECIFICATIONS. 5. PIPE PITCH = t1W _ PER FOOT, (UNLESS NOTED OTHERWISE). 6. FIRST H 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'. f1. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 12. EXISTING SEPTIC TANK TO BE PUMPED AND FILLED WITH SAND OR REMOVED. EXISTING LEACH AREA TO BE LOCATED AT TIME OF CONSTRUCTION. LEACH PITS OR SIMILAR STRUCTURES ARE TO BE PUMPED AND FILLED WITH SAND OR REMOVED, LEACH FIELD OR TRENCHES ARE TO BE ABANDONED. 13. DESIGN ENGINEER TO PERFORM THE FOLLOWING INSPECTIONS: A. REMOVAL AND REPLACEMENT OF SOILS. B. STAKE LOCATION OF RETAINING WALL. C. INSPECT FOOTING LOCATION AND REBAR PRIOR TO POURING FALL, D. INSPECT HALL HEIGHT AND LOCATION. E. INSPECT INSTALLATION OF SEPTIC SYSTEM COMPONENTS. 14. ALL UNSUITABLE SOIL (PEAT AND B HORIZON, APPROX. 78" DEEP TO BE REMOVED WITHIN SOF LEACHING AREA AND REPLACED WITH CLEAN MEDIUM SAND. 15. ROOF RUN-OFF TO BE DIRECTED TO DRY WELLS. f6. WORK LIMIT LINE TO BE DOUBLE STAKED HAY BALES OR SILT FENCE. f!. ALL DISTURBED AREAS TO BE REVEGETATED OR MULCHED UPON COMPLETION OF PROJECT. COVERS WITHIN 12' OF FINISHED GRADE (ONE INSPECTION COVER TO BE WITHIN 6" OF GRADE) 6.59 1500 GAL ELEV. SEPTIC TANK 7.0 ELEV. (6" OF STONE UNDER OR 6.34 ELEV.D-BOX (6" OF 6.1 622 STONE ELEV. ELEV. UNDER MECHANICALLY COMPACTED] TEE SIZES: GAS BAFFLE AT INLET: 6" UP, 13" DOWN OUTLET TEE OUTLET: 6" UP, 14" DOWN APPROVED BY: DATE: ELEV GARAGE UNDER E 13" PROP PROP. ADD. DECK EXISTING 4 BEDROOM DWELLING f0' 1st FLR= 7.5 f0' PROP. DECK EXISTING k PROPOSED ff KLMNG 2" PEASTONE 3/4" -- 1 1/2" WASHED STONE /- ELEV = 6.4 5.4 ELEV. 50. 5' 6 STANDARD INFILTRATORS WITH 4' OF STONE AROUND SIDES AND 3' AT ENDS (50' x 11' x 7" EFF. DEPTH) GROUNDWATER ELEV. 0.4 k -A -A -A -J SITE AND SEWAGE PLAN LOCA TION.' 5 NEW HAMPSHIRE AVENUE WEST YARMOUTH, MA PREPARED FOR: JOSEPH & LENORE FLANACAN SCALE: I"= 30' REFERENCE: - DATE: 8-7-96 PLAN BOOK 25 PAGE 49 REVISED: 6-3-97 REVISED: 6-11-97 f ' 001 THOMAS McLELLAN, P.E. JOHN Z. DEMAREST JR., P.L.S. ELEV GARAGE UNDER E 13" PROP PROP. ADD. DECK EXISTING 4 BEDROOM DWELLING f0' 1st FLR= 7.5 f0' PROP. DECK EXISTING k PROPOSED ff KLMNG 2" PEASTONE 3/4" -- 1 1/2" WASHED STONE /- ELEV = 6.4 5.4 ELEV. 50. 5' 6 STANDARD INFILTRATORS WITH 4' OF STONE AROUND SIDES AND 3' AT ENDS (50' x 11' x 7" EFF. DEPTH) GROUNDWATER ELEV. 0.4 k -A -A -A -J SITE AND SEWAGE PLAN LOCA TION.' 5 NEW HAMPSHIRE AVENUE WEST YARMOUTH, MA PREPARED FOR: JOSEPH & LENORE FLANACAN SCALE: I"= 30' REFERENCE: - DATE: 8-7-96 PLAN BOOK 25 PAGE 49 REVISED: 6-3-97 REVISED: 6-11-97