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HomeMy WebLinkAbout43 Witchwood Road Site and Sewage PlanASSESSORS MAP. 68 TEST HOLE LOGS ytlf PARCEL- 196 0 z9- CURRENT ZONING: R-40 (1964 SUBDIVISION) ENGINEER: THOMAS McLELLAN, P.E. o BUILDING SETBACKS: WITNESS: KELDA WELCH F: 30' S: 6' R: 20' DATE: 11-17-99 Tt 1 PERCOLATION RATE: < 2 MIN/IN (Cl HORIZON) vg� poop FLOOD ZONE: C lV TH-1 TH-2 gay Opp LOCATION MAP LOT F8 18,158 ± S.F. (0.42 ± AC.) 20.5 ZON ELEV. B HORIZON LOAMY SAND 27" fOYR 6/8 181 Cl HORIZON LOAMY SAND 60' 2.5Y 6/8 15.x' C2 HORIZON FINE SAND 2.6Y 7/2 4n s NO GROUND WATER ENCOUNTERED NOTES: 1. VERTICAL DATUM. ASSUMED FROM QUAD (NCVD +/-) 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= 1/4" 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. D -BOX TO BE NATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 12. IF UNSUITABLE SOIL (B HORIZON, APPROX. 36" DEEP) IS ENCOUNTERED WITHIN 5' OF PROPOSED LEACH AREA IT IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 13. THIS SITE PROPOSAL REQUIRES A VARIANCE FROM THE TOWN OF YARMOUTH HEALTH REGULATION3.7, (TOP OF FOUNDATION TO BE 12" ABOVE THE HIGH POINT IN ROAD BENCHMARK AT PX NAIL ELEVATION 30D SEPTIC SYSTEM DESIGN a FLOW ESTIMATE: MULFORD STREET - � -3--BEDROOMS AT 110_CAL/DAY/BEDROOM = 330 GAL/DAY 9.3� 9.- z8 - - 30 SEPTIC TANK: -''26' 12o z3 ' _ _ _ _ 1ray9�, so.3 n 330 GAL/DAY x 2 DAYS= 660 CAL ' USE 1500 GALLON SEPTIC TANK 24' - - -- i o - - - - ` LEACHING AREA: N�so. 8 d USE 2- 500 GALLON CHAMBERS WITH 3' OF STONE ALL AROUND AND 5' BET r, EEN (28'x 10.8'x 2' DEEP) r TH-1 e t gF SIDE AREA.- (28 + 10.8)2 x 2 = 155 (.74) = 115 GAL/DAY BOTTOM AREA: 28'x 10.8' = 302 SF /DAY (74) = 223 GAL CAPACITY = 338 CAL/DAY r SEPTIC SYSTEM SECTION i �� TH-2 20 24 COVERS WITHIN 12' OF 32.0 ((ONBE F GRADE) SHED INSPECTION COVER Q TO WITHIN 6" O 30 ry ` r � ® -TOP OF FOUNDATION r _ � ry0' 28 ti 19.75 RUES. ; ELEV. BENCHMARK AT 26 CONCRETE BOUND r 20.0 1500 GAL D -BOX 19.18 ELEVATION - 23B4 , ELEV. SEPTIC TANK 19.35 (6" OF ELEV. 24 22.0 (6" OF STONE UNDER OR ELEV. STONE ELEV. MECHANICALLY COMPACTED) UNDER) TEE SIZES: GAS BAFFLE 18.17 INLET. 6" UP, 13" DOWN AT OUTLET TEE ELEV. OUTLET: 6" UP, 14" DOWN KEY: EXISTING CONTOUR: - - -- PROPOSED CONTOUR: EXISTING SPOT ELEVATION: 25Z PROPOSED SPOT ELEVATION: 25 TEST HOLE: UTILITY POLE: -0- FENCE LINE: HYDRANT: -6 - RETAINING WALL: TREE: DM # 99-145 DEMAREST-YcLELLAN ENGINEERING 24 SCHOOL STREET P.O. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE d FAX: (508) 398-7710 MIRE ,l : 0/A/E HORIZON foo LO SAND fOYR 314 f8: �� day. B HORIZON LOAMY SAND + 1 (�7 �hS:. v •� 8e IOYR 6/8 16L Cf HORIZON THOMAS McLELLAN, P.E. LOAMY SAND 48" 2.5Y 7/6 !SL C2 HORIZON MED -FINE SAND 2SY 7/2 on" 9.0 NO GROUND WATER ENCOUNTERED NOTES: 1. VERTICAL DATUM. ASSUMED FROM QUAD (NCVD +/-) 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= 1/4" 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. D -BOX TO BE NATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 12. IF UNSUITABLE SOIL (B HORIZON, APPROX. 36" DEEP) IS ENCOUNTERED WITHIN 5' OF PROPOSED LEACH AREA IT IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 13. THIS SITE PROPOSAL REQUIRES A VARIANCE FROM THE TOWN OF YARMOUTH HEALTH REGULATION3.7, (TOP OF FOUNDATION TO BE 12" ABOVE THE HIGH POINT IN ROAD BENCHMARK AT PX NAIL ELEVATION 30D SEPTIC SYSTEM DESIGN a FLOW ESTIMATE: MULFORD STREET - � -3--BEDROOMS AT 110_CAL/DAY/BEDROOM = 330 GAL/DAY 9.3� 9.- z8 - - 30 SEPTIC TANK: -''26' 12o z3 ' _ _ _ _ 1ray9�, so.3 n 330 GAL/DAY x 2 DAYS= 660 CAL ' USE 1500 GALLON SEPTIC TANK 24' - - -- i o - - - - ` LEACHING AREA: N�so. 8 d USE 2- 500 GALLON CHAMBERS WITH 3' OF STONE ALL AROUND AND 5' BET r, EEN (28'x 10.8'x 2' DEEP) r TH-1 e t gF SIDE AREA.- (28 + 10.8)2 x 2 = 155 (.74) = 115 GAL/DAY BOTTOM AREA: 28'x 10.8' = 302 SF /DAY (74) = 223 GAL CAPACITY = 338 CAL/DAY r SEPTIC SYSTEM SECTION i �� TH-2 20 24 COVERS WITHIN 12' OF 32.0 ((ONBE F GRADE) SHED INSPECTION COVER Q TO WITHIN 6" O 30 ry ` r � ® -TOP OF FOUNDATION r _ � ry0' 28 ti 19.75 RUES. ; ELEV. BENCHMARK AT 26 CONCRETE BOUND r 20.0 1500 GAL D -BOX 19.18 ELEVATION - 23B4 , ELEV. SEPTIC TANK 19.35 (6" OF ELEV. 24 22.0 (6" OF STONE UNDER OR ELEV. STONE ELEV. MECHANICALLY COMPACTED) UNDER) TEE SIZES: GAS BAFFLE 18.17 INLET. 6" UP, 13" DOWN AT OUTLET TEE ELEV. OUTLET: 6" UP, 14" DOWN KEY: EXISTING CONTOUR: - - -- PROPOSED CONTOUR: EXISTING SPOT ELEVATION: 25Z PROPOSED SPOT ELEVATION: 25 TEST HOLE: UTILITY POLE: -0- FENCE LINE: HYDRANT: -6 - RETAINING WALL: TREE: DM # 99-145 DEMAREST-YcLELLAN ENGINEERING 24 SCHOOL STREET P.O. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE d FAX: (508) 398-7710 MIRE ,l : x 4 V�F•> 1�,.. qqq.,.,^� � .f�H�r ��\lqqi �� day. Y z F 1 �t e�� �1 s 1PTiG I .. + 1 (�7 �hS:. v •� THOMAS McLELLAN, P.E. JOHN Z. DEMAREST JR„PLS. WALK -OUT DECK 60 PROPOSED 24' 3 BEDROOM DUELLING 26' CAR 14' !6' PROPOSED DWELLING 2" PEASTONE 314--1 1/2" WASHED STONE ELEV.= 19.0 16.17 9 ELEV. E 2a' 2- 500 GALLON CHAMBERS WITH 3' OF STONE ALL AROUND AND 5' BETWEEN (28' x 10.8' x 2' DEEP) SITE AND SEWAGE PLAN LOCATION.• 43 WITCHWOOD ROAD SOUTH YARMOUTH, MA PREPARED FOR - REEF REALTY SCALE: 1" = 30' DATE: 1218199 REFERENCE. PLAN BOOK 190 PAGE 79