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HomeMy WebLinkAbout10 Tabor Road - Site & Sewage Plan'E 28 "T �y SUS 0 h LOCATION MAP LOT 27 (9,661 SF) ASSESSORS MAP: 19 PARCEL: C27 CURRENT ZONING: R-25 BUILDING SETBACKS: F: 30' S: 6' R: 20' FLOOD ZONE: B U 12" •E� Tjzfjll=-�111. 7L" AX 9E ELEV W35 MAX) =III= ELEV -4 MIL POLY — ASPHALTIC SEALING O REINFORCING STEEL: Q1 : /4 18• o/c Q:6eaa #4 #46 I 18" o/c 4Q:#4b10'o/c PROPOSED CONCRETE RETAINING WALL NOTE: PROPOSED RETAINING WALLS TO BE ST PPED DOWN AT f INTERVALS TO MATCH PROPOSED GRADES. BENCHMARK TOP OF CONCRETE BOUND ELEV- 9.45 POLY LINER /" PROPOSED 9 RETAINING WALLS 9 BENCHMARK TOP OF CONCRETE BOUND ELEV- 1024' KEY: EXISTING CONTOUR: — — -- PROPOSED CONTOUR: •••••••••••••••• ••••••••• •.. EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION:25 TEST HOLE: 4• UTILITY POLE: -0- FENCE LINE: — HYDRANT: -6 RETAINING WALL: TREE: DM # 98-045 D28F6 e BENCHMARK TOP / CONCRETE BOUND ELEV 8189' +9. 0 5 ;cn TEST HOLE LOGS ,y I c , DON MONCEVICE A `?g BOO 4�14- WITNESS: P �fN o fro : TH-2 . PERCOLATION RATE: < 2 MIN/IN TH-f TH-2 e.o 8.4 O/A/E HORIZON :q ELEF 12 .. p O IOY551 82 f0" fOYR 612AND 718 B HORIZON TH-1 I 1 LOAMY SAND LOAMY SAND e BENCHMARK TOP / CONCRETE BOUND ELEV 8189' +9. 0 5 ;cn TEST HOLE LOGS ENGINEER: DON MONCEVICE WITNESS: AMY VON HONE, R.S. DATE: 4-16-97 PERCOLATION RATE: < 2 MIN/IN TH-f TH-2 e.o 8.4 O/A/E HORIZON ELEV 0/A/E HORIZON ELEF ARd[AND IOY551 82 f0" fOYR 612AND 718 B HORIZON B HORIZON LOAMY SAND LOAMY SAND IOYR 6/6 7.0 20" fOYR 6/6 6.7 C HORIZON C HORIZON FINE -MED SAND I NEB D SAND FINE-MED 6/6 lOYR4.75 4r 4.95 tD ss'I USGS GROUNDWATER ADJUSTMENT: WELL: MITI -29, ZONE: B, ADJUSTMENT: 0.7 SEPTIC SYSTEM DESIGN NOTES: 1. VERTICAL DATUM: ASSUMED FROM QUAD (NGVD +/-) 2. MUNICAPAL WATER IS AVAILABLE. 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 LOADING SPECIFICATIONS. 5. PIPE PITCH = 1/8" & 114" 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. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 12. ALL UNSUITABLE SOIL (A & B HORIZON, APPROX. 24" DEEP WITHIN 5' OF PROPOSED LEACH TRENCH IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. FLOW ESTIMATE: 8 BEDROOMS AT110_GAL/DAY/BEDROOM =Mk GAL/DAY SEPTIC TANK: 330 CAL/DAY x 2 DAYS = 660 GAL USE 1500 GALLON SEPTIC TANK LEACHING AREA: USE 2 L.`ACH TRENCHES (27'x 4'x 2' DEEP) SIDE AREA: (27 + 4)2 x 2 = 124 SF (.74) = 92 CAL/DAY BOTTOM AREA 27' x 4' = 108 SF (74) = 80 GAL/DAY TRENCH CAPACITY = 172 GAL/DAY x 2 TRENCHES = 344 GAL/DAY SUPT I C SYSTEM SECTION 16.0 TOP OF FOUNDATION 1PER E 17 COVERS WITHIN 12' OF FINISHED GRADE 6- OF COVER GRADE) 0 BE WITHIN +8. s 13.3 1500 GAL ELEV. SEPTIC TANK\ 13.5 (6" OF STONE UNDER OR ELEV. MECHANICALLY COMPACTED) TEE SIZES: INLET: 6" UP, 13" DOWN OUTLET: 6" UP, 14" DOWN MAREST-McLELLAN ENGINEERING SCHOOL STREET P.O. BOX 463 ST DENNIS, MASSACHUSETTS 02670 ONE & FAX : (508) 398-7710 ED BY: 1/=R L=a WALK -OUT !4• DECK f0' y sz 24' PROPOSED 3 BEDROOM 28' DUELLING GARAGE 16' 35 PROPOSED DWELLING ELEV. D -BOX '1283 13.0 (6" OF ELEV. ELEV. STONE UNDER) 12.8 GAS BAFFLE AT OUTLET TEE ---2q�--� DATE: J" L DEL!AFM,JR. No- 35509 2" PEASTONE 3/4" - 1 1/2" WASHED STONE PVC PERFORATED ELEV. 132 y 2" AC7 10.65 F ELEV. TWO LEACH TRENCHES 5' (27'x4'x2'DEEP) ELEV. ADJUSTED GROUNDWATER ELEVATION 5.65, SITE AND SEWAGE PLAN LOCATION 10 TABOR ROAD WEST YARMOUTH, MA PREPARED FOR- PATRIOT ORPATRIOT BUILDERS SCALE: i = 20'DATE: 412198 " REFERENCE: LAND COURT CASE #17149 THOMAS McL LLAN, P.E. 11 JOHN 2 DEMAREST JR, P.L.S. 11 REVISED: 5-4-98