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HomeMy WebLinkAboutEngineered Plan - 2017-LOCATION MAP 40' LOT 75 (15,600 SF) - ASSESSORS MAP: 62 PARCEL: 15 • • • • • • • • • • • • • • • • •. LAND COURT CASE 25823F o LEACH AREA DETAIL X101.0 BENCHMARK AT - LEFT CORNER OF CONC. STEP ELEVATION =102.97 00.8 POSSIBLE 5' SOIL REMOVAL 6" DEEP SEE NOTE 15) M17-58 100.5 16" SEPTIC SYSTEMDESIGN FLOW ESTIMATE: 9 BEDROOMS AT 110 GAL / DAY = 220 GAL / DAY J SEPTIC TANK: 220 GAL / DAY x 2 DAYS = 440 GAL USE 1500 GALLON SEPTIC TANK LEACHING AREA: (LOW PROFILE FLOWDIFFUSORS) USE 4 LOW PROFILE FLOWDIFFUSORS WITH SOF STONE AROUND SIDES AND 4' AT ENDS (40'x 10'x6" DEEP) SIDE AREA: (40' + 10') x 2 x 6/12 = 50 SF (0.74) = 37 GAL/DAY BOTTOM AREA: 40' x 10' = 400 SF (0.74) = 296 GAL/DAY CAPACITY = 333 GAL/DAY REQUIRED VARIANCES FROM TITLE FIVE: 1. SECTION 15.212: LEACH AREA TO BE LESS THAN 5' ABOVE GROUND WATER (VARIANCE OF 1.0'). N rG , - --�"' 100.5 � 00.7 � 16" oak 41", 36" oaks ► i 12" tree ON1 z i 1, 12" oak W 0 E 'a m 0 I 1 W / 102 to I Exls� IN bb pWE RNG \ � j min top fn&=104.58 \ W I 16" oak ei%s i allon , 100p . gtank cP `) \ \ (1972) ` -0 102 j w (� \GE PAVED DRIVE \ 101 `\ GARA _►-� �� - 1 102- ,. \ ►C 24" oaks _-� 120.00'„ W conte S g0°.61'30 SEPTIC SYSTEM SECTION 104.58 TOP OF ° FOUNDATION 101.6 ELEV. d ° 100.9 ELEV. ° 96.4 / 1500 GAL ELEV. SEPTIC TANK (6" OF STONE UNDER OR OF COMPACTED) TEE SIZES: INLET: 6" UP, 13" DOWN OUTLET: 6" UP, 14" DOWN DECK 102.07 COVERSV OF FINISH bh KITCHEN DININGI BATH ROOM L JI I BED ROOM KEY: BED ROOM AVE EXISTING CONTOUR: - - - - CONTOUR: ------------- PERSON 10YR 3/3 100.0 B HORIZON PERC AT 30" PROPOSED LOAMY SAND EXISTING SPOT ELEVATION: 25.5 10YR 5/8 98.0 C HORIZON PROPOSED SPOT ELEVATION: 25.5 MEDIUM SAND TEST HOLE: OBSERVED 94.5 UTILITY POLE: -O- Np FENCE LINE: - HYDRANT: -b - Lo 'US RETAINING WALL: -LOCATION MAP 40' LOT 75 (15,600 SF) - ASSESSORS MAP: 62 PARCEL: 15 • • • • • • • • • • • • • • • • •. LAND COURT CASE 25823F o LEACH AREA DETAIL X101.0 BENCHMARK AT - LEFT CORNER OF CONC. STEP ELEVATION =102.97 00.8 POSSIBLE 5' SOIL REMOVAL 6" DEEP SEE NOTE 15) M17-58 100.5 16" SEPTIC SYSTEMDESIGN FLOW ESTIMATE: 9 BEDROOMS AT 110 GAL / DAY = 220 GAL / DAY J SEPTIC TANK: 220 GAL / DAY x 2 DAYS = 440 GAL USE 1500 GALLON SEPTIC TANK LEACHING AREA: (LOW PROFILE FLOWDIFFUSORS) USE 4 LOW PROFILE FLOWDIFFUSORS WITH SOF STONE AROUND SIDES AND 4' AT ENDS (40'x 10'x6" DEEP) SIDE AREA: (40' + 10') x 2 x 6/12 = 50 SF (0.74) = 37 GAL/DAY BOTTOM AREA: 40' x 10' = 400 SF (0.74) = 296 GAL/DAY CAPACITY = 333 GAL/DAY REQUIRED VARIANCES FROM TITLE FIVE: 1. SECTION 15.212: LEACH AREA TO BE LESS THAN 5' ABOVE GROUND WATER (VARIANCE OF 1.0'). N rG , - --�"' 100.5 � 00.7 � 16" oak 41", 36" oaks ► i 12" tree ON1 z i 1, 12" oak W 0 E 'a m 0 I 1 W / 102 to I Exls� IN bb pWE RNG \ � j min top fn&=104.58 \ W I 16" oak ei%s i allon , 100p . gtank cP `) \ \ (1972) ` -0 102 j w (� \GE PAVED DRIVE \ 101 `\ GARA _►-� �� - 1 102- ,. \ ►C 24" oaks _-� 120.00'„ W conte S g0°.61'30 SEPTIC SYSTEM SECTION 104.58 TOP OF ° FOUNDATION 101.6 ELEV. d ° 100.9 ELEV. ° 96.4 / 1500 GAL ELEV. SEPTIC TANK (6" OF STONE UNDER OR OF COMPACTED) TEE SIZES: INLET: 6" UP, 13" DOWN OUTLET: 6" UP, 14" DOWN DECK 102.07 COVERSV OF FINISH bh KITCHEN DININGI BATH ROOM L JI I BED ROOM LIVING GARAGE PORCH ROOM BED ROOM EXISTING FLOOR PLAN w No. 38721 � 14" " I LL E HEAL 1/8" per ft COVER (1' MIN) 100.65 1/81, per ft ELEV. 100.59 100.42 ELEV. D -BOX ELEV. (6" STONE UNDER OR MECHANICALLY COMPACTED) ELEV, -GAS BAFFLE AT OUTLET TEE TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: AMY VON HONE, R.S. DATE: 10-26-17 PERCOLATION RATE: <2 MIN/IN USGS GROUND WATER ADJUSTMENT: WELL: Al W-230, ZONE: E, ADJ. (SEPT.): 1.2' ADJUSTED GROUND WATER ELEV.= 95.7 2" PEASTONE OR FILTER FABRIC - 3/4" -1 1/2" DOUBLE WASHED STONE INSPECTION PORT ELEV.= 100.79 119 ° ° ° I'il 99.7 3 LOW PROFILE FLOWDIFFUSORS 4 ELEV. 40'x10' 4 LOW PROFILE FLOWDIFFUSORS 4, WITH T OF STONE AROUND SIDES AND 4' AT ENDS (40'x 10'x 6" DEEP) ADJUSTED GROUND WATER ELEVATION = 95.7 1 TH-1 100.5 O/A HORIZON ELEV. LOAMY SAND 6" 10YR 3/3 100.0 B HORIZON PERC AT 30" LOAMY SAND L 10YR 5/8 98.0 C HORIZON MEDIUM SAND 2.5Y 7/4 OBSERVED 94.5 C6 C c Z L C m 0 C' C� L } w No. 38721 � 14" " I LL E HEAL 1/8" per ft COVER (1' MIN) 100.65 1/81, per ft ELEV. 100.59 100.42 ELEV. D -BOX ELEV. (6" STONE UNDER OR MECHANICALLY COMPACTED) ELEV, -GAS BAFFLE AT OUTLET TEE TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: AMY VON HONE, R.S. DATE: 10-26-17 PERCOLATION RATE: <2 MIN/IN USGS GROUND WATER ADJUSTMENT: WELL: Al W-230, ZONE: E, ADJ. (SEPT.): 1.2' ADJUSTED GROUND WATER ELEV.= 95.7 2" PEASTONE OR FILTER FABRIC - 3/4" -1 1/2" DOUBLE WASHED STONE INSPECTION PORT ELEV.= 100.79 119 ° ° ° I'il 99.7 3 LOW PROFILE FLOWDIFFUSORS 4 ELEV. 40'x10' 4 LOW PROFILE FLOWDIFFUSORS 4, WITH T OF STONE AROUND SIDES AND 4' AT ENDS (40'x 10'x 6" DEEP) ADJUSTED GROUND WATER ELEVATION = 95.7 1 NOTES: 1. VERTICAL DATUM: ASSUMED 2. MUNICAPAL WATER IS AVAILABLE. 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO CONFORM WITH AASHTO H-20 SPECIFICATIONS. 5. PIPE PITCH = 1/8" & 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' WITHOUT VARIANCE. 11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.S., HARWICH, MA. 12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND IS SUBJECT TO CHANGE UNTIL SUCH TIME. 13. EXISTING SEPTIC TANK AND CESS POOL IS TO BE PUMPED AND FILLED WITH SAND OR REMOVED. EXISTING SEPTIC TANK IS 46 YEARS OLD AND IS SET TO LOW TO RE -USE. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. IF UNSUITABLE SOIL IS ENCOUNTERED, (A HORIZON, APPROX. 6" DEEP) WITHIN 5' OF PROPOSED LEACH AREA IT IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 'E b 2018 SITE PLAN THOMAS J. MCLEUIAN, P.E. LOCATION: 15 GRANT RD., W. YARMOUTH, MA PREPARED FOR: STEPHEN WINSLOW DATE: 12-1-17 SCALE: 1" = 20' BASS RIVER ENGINEERING P.O. BOX 1163, EAST DENNIS, MA 02641 508-364-9048 TH-1 100.5 O/A HORIZON ELEV. LOAMY SAND 6" 10YR 3/3 100.0 B HORIZON PERC AT 30" LOAMY SAND 30" 10YR 5/8 98.0 C HORIZON MEDIUM SAND 2.5Y 7/4 OBSERVED 94.5 NOTES: 1. VERTICAL DATUM: ASSUMED 2. MUNICAPAL WATER IS AVAILABLE. 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO CONFORM WITH AASHTO H-20 SPECIFICATIONS. 5. PIPE PITCH = 1/8" & 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' WITHOUT VARIANCE. 11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.S., HARWICH, MA. 12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND IS SUBJECT TO CHANGE UNTIL SUCH TIME. 13. EXISTING SEPTIC TANK AND CESS POOL IS TO BE PUMPED AND FILLED WITH SAND OR REMOVED. EXISTING SEPTIC TANK IS 46 YEARS OLD AND IS SET TO LOW TO RE -USE. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. IF UNSUITABLE SOIL IS ENCOUNTERED, (A HORIZON, APPROX. 6" DEEP) WITHIN 5' OF PROPOSED LEACH AREA IT IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 'E b 2018 SITE PLAN THOMAS J. MCLEUIAN, P.E. LOCATION: 15 GRANT RD., W. YARMOUTH, MA PREPARED FOR: STEPHEN WINSLOW DATE: 12-1-17 SCALE: 1" = 20' BASS RIVER ENGINEERING P.O. BOX 1163, EAST DENNIS, MA 02641 508-364-9048