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HomeMy WebLinkAboutEngineered Plan - Rev. 1998N CE, ST. 0 LOCUS SOUTH SHOgE y� NANTUCKET SOUND LOCATION MAP LOT 240 9,395 S.F. (022 ± AC.) ASSESSORS MAP: 29 PARCEL: N 240 FLOOD ZONE: C BENCHMARK AT WOOD STAKE ELEVATION = 11.2 REQUIRED VARIANCES FROM TITLE FIVE: 1. SECTION 15212: LEACH AREA TO BE 4' ABOVE GROUNDWATER. (SEPTIC SYSTEM HAS BEEN DESIGNED TO MAXIMUM FEASIBLE COMPLIANCE) 100. pOH ,111, TH-1cp , 1 S 1 1 T', i ,yl I PC In A _� f0 MIN EXISTIN EXISTING INVERT = INVERT = 89 cn �I' w � co I 11 FENCE 0.0 A HORIZON MIN LOAMY SAND lot 6" MIN 'IFI i - +10.2 si f0' YIN ' 10YR 5/8 NI EXISTING Cl HORIZON B67 INVERT -7B6 w MEDIUM SAND EXISTING 3 BEDROOM I DWELLING 1stlour - 10.9 (CRAWL SPACE) CARPORT RIVE f0 W DAVED CE / 100 00" ` J / 9.4 PAY i EorE OF f0 STREET CEDAR KEY. EXISTING CONTOUR: - PROPOSED CONTOUR: • • • • • ............. • . • • ....... • EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION: 25 TEST HOLE: UTILITY POLE: -0- FENCE LINE: HYDRANT: -� RETAINING WALL: TREE: DM # 98-Og7 (D29F19) m!! r TEST 1-InL LO��. ENGINEER:_ THOMAS McLELLA.N, P.E. WITNESS: AMY VON HONE, R.S. ------------------------------- DATE: 7-8-98 PERCOLATION RATE: < 2 MIN' /IN TH-1. A HORIZON ELEV. LOAMY SAND 6" IOYR 3/3 f0.8 B HORIZON LOAMY SAND 26" 10YR 5/8 9.1 Cl HORIZON MEDIUM SAND 48" 2.5Y 7/6 73 C2 HORIZON FINE SAND 2.5Y 7/3 94" 3.5 96" 33 USGS GROUNDWATER ADJUSTMENT: WELL: MIW-29, ZONE: A, ADJUSTMENT (JUNE): 0.7' TH-2 SEPTIC SYSTEM DESIGN FLOW ESTIMATE: ,i BEDROOMS AT 110 GAL/DAY/BEDROOM = 330 GAL/DAY SEPTIC TANK. 330 CAL/DAY z 2 DAYS = 660 GAL USE 1500 GALLON SEPTIC TANK LEACHING AREA: USE 5 INFILTRATORS (STANDARD CHAMBERS) WITH 4' OF STONE AROUND SIDES AND 3' AT ENDS (3725' x 1P x 7" DEEP) SIDE AREA: (4825)2 x 7/12 = 56 (.74) = 41 GAL/DAY BOTTOM AREA: 37.25 x 11 = 410 SF (74) = 303 GAL/DAY CAPACITY = 344 GAL/DAY SEPTIC SYSTEM SECTION 1 , 0_t L i. VERTICt.L DATUM: _ASSUMED FRO2V Qj.'«'i 2. MUNIC'Al"AL `ATER IS AVAILABLE-. 3. SCIIF_ DUI.. 40 - 1" PVC PIPE TO BE U, r S 4, ALL PRECAST UNITS TO CONFORM 17IT I' AASH -10 H -J0 LOA UNG SPECIFICATIONS. 5. PIPE PITCH = -_118" & I 4" PER FOCI:'', ."N1 F';: 2v`%7 E C- :'i E RT'-IL'F, i. 6. FIRST 2' OF PIPE OUT OF D -BOX TO BT' SF,T LFII E .',. 7. THE SEPTIC SYSTEM HAS NOT BEEN D7.'S1G'`Fi_; TO Ai '70310D.'TF THE USE OF A GARBAGE DISPOSAL. 8. ALL CONSTRUCTION DETAILS ARE TO BF IN C�-),V7OR.1vfAIAC'E r'IllH THE STATE OF MASS. ENVIRONMENTAL COTE "TITLE FIL'F AND I:,OC,':L 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. ALL UNSUITABLE SOIL (A & B HORIZON, APPROX. 26" 'DEEP) WITHIN 5' OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 12. EXISTING CESS POOLS ARE TO BE PUMPED AND FILLED WITH SAND OR REMOVED. 13. SEPTIC TANK AND PUMP CHAMBER ARE TO BE WATER PROOFED BY MANUFACTURER WITH IPANEX CONCRETE ADDITIVE OR CONSEAL-55. 14. AN ELECTRIC PERMIT IS REQUIRED PRIOR TO PUMP INSTALLATION. COVERS WITHIN 12" OF 2" PEASTONE FINISHED GRADE COVER OVER PUMP TO BE 10.9 WITHIN 6" OF FINISH GRADE. 314" - 1 V2" FIRST FLOOR 2" PCV (PRESSURE LINE) WASHED STONE � ELEV. 9.3 77 /- 7.f 7.4 -� _ ELEV. 7.15 ELEV. DRAIN 897 D -BOX 2.6 m 82 2- �� 1500 G,� ELEV. ELEV ELEV. (6" OF ELEV. 3H ELEV. ELEV. PUMP CHAMBER (1000 GAL) STONE F 3725' SEPTIC TANK (6" OF STONE UNDER OR) SEPTIC TANK WITH MYERS UNDER) 4• -SRM-4 PUMP. PUMP ALARM (TEE AT INLET) 8.78 5 INFILTRATORS (STANDARD CHAMBERS 7.66, 8.9 & 9.67 MECHANICALLY COMPACTED) PACKAGE TO BE INSTALLED ) ELEV. IN DWELLING POWERED ELEV. WITH 4' OF STONEAROUND SIDES AND (EXISTING) TEE SIZES: BY A CIRCUIT SEPARATE X AT ENDS (37.25' x 11' x 7" DEEP) FROM THE PUMP INLET: 6" UP, 13" DOWN POWER, (DISTANCE BETWEEN OUTLET: 6" UP, 14" DOWN ON/OF SWITCH TO BE 4"). (GAS BAFFLE AT OUTLET TEE) AND ALARM TO BE 2-) N SWITCH ADJUSTED GROUNDWATER ELEV. 42 J BOUYANCY FORCE = 5,975 LBS BOUYANCY FORCE = 4100 LBS WEIGHT OF TANK=11,480LBS WEIGHT OF TANK = 8,240 LBS �.- SITE AND SEWAGE PLAN APP OVED BY: DATE: DEMAREST-McLELLAN ENGINEERING 24 SCHOOL STREET P.O. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE & FAX : (508) 398-7710 OF R4. a TP" I ,AJ. s s9�y lexxCC► ^^p�' gqee�llip r r g JOHN �l �" Edi U: ',..� "+ Z. . .37s o DEMAREST, J4. 36859 71 FAQ ���ry tit! Yn'� ''►'�rw� v �-'� THOMAS McLELLAN, P.E. JOHN Z. DEMAREST JR., P.L.S. LOCATION.• 40 CEDAR STREET SOUTH YARMOUTH, MA PREPARED FOR- A. & B. CANCO/ALVES SCALE: I"= 20' DATE: 712019 REFERENCE: PLAN BOOK 83 PAGE 127 REVISED: 7-31-98 nEcf�MG�L� AUG 0 6 1998 HEALTH DEPT.