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HomeMy WebLinkAboutEngineer PlanN UTA ZD REQUIRED VARIANCES FROM TITLE FIVE: 1, SECTION 15212: LEACH AREA TO BE LESS THAN 5' ABOVE LOCUS REQUIRED VARIANCES FROM THE TOWN OF YARMOUTH HE 1. REGULATION 3.7: LEACH AREA TO BE LESS THAN 5' ABOV. (SEPTIC SYSTEM HAS BEEN DESIGNED TO MAXIJ ti 1 04 °° a 40 MIL POLY LINEA TOP OF LINER - 9.6 (112' x 3' DEEP) LOCATION MAP LOT 3 11,560 t S.F. (0.27 t AC.) ASSESSORS MAP: 32 PARCEL- _8 FLOOD ZONE: Al2 (EL 10) APPROXIMATE LOCATION OF EXISTING FLOWDIFFUSORS, TO BE ABANDONED. 4 i �J 6B 4 N eV ec -Aov .% n a� / � o g/ $ �\ VO QA�P �-et+ ®eA\ KEY: EXISTING CONTOUR: - - - - PROPOSED CONTOUR: - - EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION: 25 TEST HOLE: -$ UTILITY POLE: -0- FENCE LINE: HYDRANT: -6- RETAINING WALL: ==m=zzzz3 TREE: 10 DM # 03---a.0- ROUND WATER (VARIANCE OF 10). ;TH REGULATIONS: GROUND WATER (VARIANCE OF 10). M FEASIBLE COMPLIANCE.) 7 TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: DAVE FLAHERTY R.S. DATE 9 -30 -03 - PERCOLATION RATE: < 5 MIN/IN TH-1 TH-2 6.3 ELEV. FILL 9 -9- BEDROOMS AT 110 CAL/DAY/BEDROOM = 220 GAL/DAY 0/A HORIZON SEPTIC TANK: LOAMY SAND 1 fOYR 2/1 4A USE �Q_GALLON SEPTIC TANK (EXISTING) D B HORIZON -i- LEACHING AREA: LOAMY SAND 24" fOYR 516 WITH 4' OF STONE AROUND SIDES AND S AT ENDS C HORIZON' BENCHMARK AT PEIi FINE -MED SAND r ATS 2.5Y 7/3 BOTTOM AREA 24.75 z 11 = 272 SF (74) = 221 GAL/DAY CAPACITY = 232 GAL/DAY EXISTING FLOOR PLAN SEPTIC SYSTEM SECTION TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: DAVE FLAHERTY R.S. DATE 9 -30 -03 - PERCOLATION RATE: < 5 MIN/IN TH-1 TH-2 6.3 ELEV. FILL 9 -9- BEDROOMS AT 110 CAL/DAY/BEDROOM = 220 GAL/DAY 0/A HORIZON SEPTIC TANK: LOAMY SAND 1 fOYR 2/1 4A USE �Q_GALLON SEPTIC TANK (EXISTING) D B HORIZON -i- LEACHING AREA: LOAMY SAND 24" fOYR 516 WITH 4' OF STONE AROUND SIDES AND S AT ENDS C HORIZON' BENCHMARK AT PEIi FINE -MED SAND CONCRETE EL VAT R ION�7D ATS 2.5Y 7/3 1B P20" i -4.3 USGS GROUND WATER ADJUSTMENT WELL MIW-29, ZONE A, ADJUSTMENT 22' 68+ SEPTIC SYSTEM DESIGN NOTES: 1. VERTICAL DATUM: NCVD 2. MUNICAPAL NATER IS AVAILABLE. 3. 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. ALL UNSUITABLE SOIL (A & B HORIZON, APPROX. 24" DEEP) WITHIN 5' OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 12. EXISTING LEACH AREA (FLOWDIFFUSORS) IS TO BE ABANDONED. 13. PUMP CHAMBER IS TO BE WATER PROOFED BY MANUFACTURER WITH IPANEX CONCRETE ADDITIVE, CONSEAL 55 OR EQUAL. A 6" EZ WRAP IS ALSO REQUIRED. 14. AN ELECTRIC PERMIT IS REQUIRED PRIOR TO INSTALLATION OF PUMP SYSTEM. 15. A DEED RESTRICTION STATING THAT THIS DWELLING IS TO REMAIN 2 BEDROOMS (UNLESS THE SEPTIC SYSTEM IS REDESIGNED) IS TO BE RECORDED AT THE BARNSTABLE REGISTRY OF DEEDS. t 9DCOVERS WITHIN 12" OF FIRST FLOOR / FINISHED GRADE 77 5.79 52 ELEV. ELEv. (EXIST.) loon cAL (IE]I.) 0.451 SEPTIC TANK ELEV. ti (EXISTING) TEE SIZES: (TO BE CONFIRMED) INLET. 6' UP, 13" DOWN OUTLET: E' UP, 14" DOWN (GAS BAFFLE AT',OUTLET TEE) BUOYANCY CALCULATION .T PUMP CHAMBER): 9D' x 525' x (419 - 0.45') i 2:4 LB/CF - 10,487 LBS WEIGHT OF TANK a 14,500 LBS D DEMAREST-MCLELLAN ENGINEERING 24 SCHOOL STREET P.O. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE & FAX : (508) 388-7710 : 1pp' 11 1 COVER SAT AT GRADE a "TONE 4" - 1 1/2" 2" PRESSURE LINE SHED STONE TEE AT 9" MIN INLET COVER ELEV.= 9.5 INSPECTION -PORT H-20 8D 1000 CAL D� X VOLELVE D -BOX 8 2 3 ELEV. PUMP CHAMBER 8.79 (O. OF ELEV. imWITH MYERS SRM -4 ELEV STONEPUMP. PUMP ALARM 8.58 3 RD CHAMBERS) PACKAGE TO BE INSTALLED UNDER) ELEV. WITH 4' OF STONE AROUND SIDES AND IN DWELLING POWERED X AT ENDS (24.75 x 1T x 7" DEEP) (H-20) BY A CIRCUIT SEPARATE 4' FROM THE PUMP POWER, DISTANCE BETWEEN ON/OF SWITCH TO BE 3"). ADJUSTED GROUNDWATER ELEVATION = 4.0� (DISTANCE BETWEEN ON SWITCH AND ALARM TO BE NOV 2 4 2UO3 SITE AND .a .u(. GJ- ' Sjr(v <^ * tl THOMAS McLELLAN, P.E. JFJOHN Z. DEMAREST JR., P.L.S TE PLA. LOCATION 44 PAWKANNAWKUT DRIVE YARMOUTH MA PREPARED FOR- A. ORA. & B. CANCO SCALE: 1"= 20' DATE: 11 21 03 REFERENCE: PLAN BOOK 153 PAGE 33 FLOW ESTIMATE: -9- BEDROOMS AT 110 CAL/DAY/BEDROOM = 220 GAL/DAY SEPTIC TANK: 22k GALIDAY x 4.5 DAYS = -2K GAL USE �Q_GALLON SEPTIC TANK (EXISTING) D -i- LEACHING AREA: USE 3 INFILTRATORS (STANDARD CHAMBERS) ROOM BT KIT. WITH 4' OF STONE AROUND SIDES AND S AT ENDS PORC BENCHMARK AT (24.76-x 'w -x-7" DEEP-)... -. - `-- -- --- -- -, --'--- =- BED LIVING M CONCRETE EL VAT R ION�7D SIDE AREA, (35.75)2 x 7/12 - 42 (.74) _ �_ CAL/DAY ROOM BOTTOM AREA 24.75 z 11 = 272 SF (74) = 221 GAL/DAY CAPACITY = 232 GAL/DAY EXISTING FLOOR PLAN SEPTIC SYSTEM SECTION t 9DCOVERS WITHIN 12" OF FIRST FLOOR / FINISHED GRADE 77 5.79 52 ELEV. ELEv. (EXIST.) loon cAL (IE]I.) 0.451 SEPTIC TANK ELEV. ti (EXISTING) TEE SIZES: (TO BE CONFIRMED) INLET. 6' UP, 13" DOWN OUTLET: E' UP, 14" DOWN (GAS BAFFLE AT',OUTLET TEE) BUOYANCY CALCULATION .T PUMP CHAMBER): 9D' x 525' x (419 - 0.45') i 2:4 LB/CF - 10,487 LBS WEIGHT OF TANK a 14,500 LBS D DEMAREST-MCLELLAN ENGINEERING 24 SCHOOL STREET P.O. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE & FAX : (508) 388-7710 : 1pp' 11 1 COVER SAT AT GRADE a "TONE 4" - 1 1/2" 2" PRESSURE LINE SHED STONE TEE AT 9" MIN INLET COVER ELEV.= 9.5 INSPECTION -PORT H-20 8D 1000 CAL D� X VOLELVE D -BOX 8 2 3 ELEV. PUMP CHAMBER 8.79 (O. OF ELEV. imWITH MYERS SRM -4 ELEV STONEPUMP. PUMP ALARM 8.58 3 RD CHAMBERS) PACKAGE TO BE INSTALLED UNDER) ELEV. WITH 4' OF STONE AROUND SIDES AND IN DWELLING POWERED X AT ENDS (24.75 x 1T x 7" DEEP) (H-20) BY A CIRCUIT SEPARATE 4' FROM THE PUMP POWER, DISTANCE BETWEEN ON/OF SWITCH TO BE 3"). ADJUSTED GROUNDWATER ELEVATION = 4.0� (DISTANCE BETWEEN ON SWITCH AND ALARM TO BE NOV 2 4 2UO3 SITE AND .a .u(. GJ- ' Sjr(v <^ * tl THOMAS McLELLAN, P.E. JFJOHN Z. DEMAREST JR., P.L.S TE PLA. LOCATION 44 PAWKANNAWKUT DRIVE YARMOUTH MA PREPARED FOR- A. ORA. & B. CANCO SCALE: 1"= 20' DATE: 11 21 03 REFERENCE: PLAN BOOK 153 PAGE 33