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HomeMy WebLinkAboutEngineered Plan - Rev. 2019BUCK 'SLA Al V=O� OSS v � LOCUS \y LOCATION MAP LOT 295 (5,000 SF) ASSESSORS MAP: 48 PARCEL: 46 PLAN BOOK: 333, PAGE: 77 KEY: EXISTING CONTOUR: - - - - PROPOSED CONTOUR: ........ EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION: 25.5 TEST HOLE: _* UTILITY POLE: -o-- FENCE o-FENCE LINE: - HYDRANT: - RETAINING WALL: lowRo' loommol Immommi Immommi SEPTIC SYSTEM DESIGN FLOW ESTIMATE: 3 BEDROOMS AT 110 GAL / DAY = 330 GAL / DAY JI rSEPTIC TANK: GAL / DAY x 2 DAYS = 660 GAL E 1500 GALLON SEPTIC TANK LEACHING AREA: USE 25 INFILTRATOR QUICK 4 PLUS STANDARD CAPACITY CHAMBERS AS SHOWN (22'x 14.1'x 8" EFFECTIVE DEPTH) SIDE AREA: NA (0.74) = NA GAUDAY BOTTOM AREA: 4'x 25 UNITS x 4.7 = 470 SF (0.74) = 348 GAUDAY CAPACITY = 348 GAUDAY REQUIRED VARIANCES FROM TITLE FIVE: 1. SECTION 15,212: LEACH AREA TO BE LESS THAN 5' ABOVE GROUND WATER (VARIANCE OF 1'). 2, SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 10' FROM LOT LINE (VARIANCE OF 4' & 5'). 3. SECTION 15.255 (5): UNSUITABLE SOIL TO BE REMOVED FOR T AROUND LEACH AREA, (VARIANCE OF 2'). N O11°7� . 9.1 4 101 G� l _ i BENCHMARK AT 1 100 CONC, BLOCK STAIRS ELEVATION = 99.05 J 101 le` 99 0 i 100 5 � , ,moo.• �^.y m cp , 99.6 NS2S� po� � 17 X 9.�p 99.4 M19-37 100 ti �o ; °- d 1 \ i0 Q �� eo�AaLe � \ 100 0 36" tree to l'LeFOT�tiC (O ��4'96 ety/ 111_ N 1 1 �� SaaC J �8 J0 9L i i sh S� G v •i•)!�cp` 99 99.2 SSO0 TOP OF WALL = 101.5 (step down to grade) SEPTIC SYSTEM SECTION COVER TO GI ­77.OVER ZABEL 100.18 T � �,, .� �a L TOPF ° FOUNDATION \ 98.1 98.42 1/8" per ft ELEV. 97.0 (existing) ° P FV / 40 MIL POLY LINER 50'x 1.5' DEEP TOP OF LINER =100.0 BOTTOM ELEVATION = 98.5 FINISHED GRADE � H H I"l 101 ISI 1010 H11 99.0 PROPOSED LEACHING CHAMBERS ELEV -9Z.75-/ 1500 GAL ELEV. SEPTIC TANK (6" OF STONE UNDER OR MECHANICALLY COMPACTED) TEE SIZES: INLET: 6" UP, 13" DOWN OUTLET: 6" UP, 14" DOWN ED OOM LIVINGROOM BED OOM ROOM ROOM 2" PRESSURE LINE TO EXIT THROUGH RISER OR TANK. A QUICK DISCONNECT IS TO BE PROVIDED FOR FUTURE ACCESS TO PUMP. PUMP CHAMBER COVER TO BE AT GRADE. ALL OTHER COVERS AND INSPECTION PORT TO BE WITHIN 6" OF GRADE. TEE AT 3' MA'X. INLET COVER 2" pressure �1/8" per ft „ (1' MIN) line _ 99 96 99 79 % dk DINING BED AREA BATH ROOM KITCHEN bh show DECK EXISTING FLOOR PLAN BUOYANCY CALCULATION: 1500 GALLON SEPTIC TANK WEIGHT OF TANK =2115480 LB LB/CF = 8,359 LB BUOYANCY CALCULATION: 1000 GALLON PUMP CHAMBER 8.5'x 4,83'x (95 - 92.48) x 62.4 LB/CF = 6,456 LB WEIGHT OF TANK = 8,240 LB Permit valid for REPAIR OF SEPTIC SYSTEM ONLY, due to State and Local septic variances. Board of Health review and approval is required for any future a I,Iitions/renovations/aIterations to sewage taci'Ht�ics a11d/or structures/dwelling. Varni-ith }lealth Department i Rl rite D--te 101.5 ELEV INSPECTION PORT ELEV.= 100.0 ELEV. ELEV. 99,67 , 11°I 1°1 I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I II99.0 D -BOX ELEV. ELEV. (6" OF STONE UNDER) F---22' x 14.1'11. - USE 25 INFILTRATOR QUICK 4 PLUS 4' 1/4" DRAIN HOLE AS SHOWN (22'x P14.1 x 8" CITY CHAMBERS DEPTH) -CHECK VALVE ADJUSTED GROUND WATER ELEVATION = 95.0 �j 92 1000 GAL GAS ELEV. PUMP PUMP CHAMBER BAFFLE WITH MYERS SRM -4 PUMP. PUMP ALA\�R�M ZABEL PACKAGE TO BE INSTALLED IN DWELLING FILTER POWERED BY A CIRCUIT SEPARATE FROM LOAMY SAND 10YR 4/1 THE PUMP POWER. (DISTANCE BETWEEN TO BE 4") WITNESS: AMY VON HONE, R.S. ON/OFF SWITCH (DISTANCE BETWEEN ON SWITCH AND ALARM TO BE 12") dk DINING BED AREA BATH ROOM KITCHEN bh show DECK EXISTING FLOOR PLAN BUOYANCY CALCULATION: 1500 GALLON SEPTIC TANK WEIGHT OF TANK =2115480 LB LB/CF = 8,359 LB BUOYANCY CALCULATION: 1000 GALLON PUMP CHAMBER 8.5'x 4,83'x (95 - 92.48) x 62.4 LB/CF = 6,456 LB WEIGHT OF TANK = 8,240 LB Permit valid for REPAIR OF SEPTIC SYSTEM ONLY, due to State and Local septic variances. Board of Health review and approval is required for any future a I,Iitions/renovations/aIterations to sewage taci'Ht�ics a11d/or structures/dwelling. Varni-ith }lealth Department i Rl rite D--te 101.5 ELEV INSPECTION PORT ELEV.= 100.0 ELEV. ELEV. 99,67 , 11°I 1°1 I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I II99.0 D -BOX ELEV. ELEV. (6" OF STONE UNDER) F---22' x 14.1'11. - USE 25 INFILTRATOR QUICK 4 PLUS 4' 1/4" DRAIN HOLE AS SHOWN (22'x P14.1 x 8" CITY CHAMBERS DEPTH) -CHECK VALVE ADJUSTED GROUND WATER ELEVATION = 95.0 �j 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 = 1/4" 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 T 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. THIS PLAN HAS BEEN PREPARED FOR THE SOLE PURPOSE OF CONSTRUCTION OF A NEW SEPTIC SYSTEM AND DOES NOT NECESSARILY REPRESENT A FULL DETAILED PROPERTY SURVEY. 13. EXISTING CESS POOLS ARE TO BE PUMPED AND REMOVED. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. ALL UNSUITABLE SOIL, (A HORIZON, APPROX. 14" DEEP) WITHIN T OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 16. SEPTIC TANK AND PUMP CHAMBER GHT BY MANUFACTU CONCRETE ADDITIVE OR CONSEAL 56 AN EZ WRAP IS ALSBE MADE WATER IO REQUIRED FOR BOTH TANKS. ANKSWITH IPANEX 17. RETAINING WALL IS TO BE STAKED BY SURVEYOR PRIOR TO CONSTRUCTION, SITE PLAN 6" x 6"(30 YEAR) PRESSURE TREATED TH-1 99.5 TEST HOLE LOGS 0/A HORIZON ELEV, ENGINEER: THOMAS McLELLAN, P.E. 14" LOAMY SAND 10YR 4/1 98.3 WITNESS: AMY VON HONE, R.S. STEP R.R. TIES IN 1/4" B HORIZON PETRO AT 24 DATE: 8-8-19 27' LOAMY SAND 10YR 5/8 97,2 PERCOLATION RATE: < 2 MIN/IN C HORIZON MEDIUM SAND 2.5Y 7/4 USGS GROUND WATER ADJUSTMENT: 70" OBSERVED 93.7 WELL: M1 W-29, ZONE: A, ADJ. (JULY): 1.3' ADJUSTED GROUND WATER ELEV.= 95.0 108" GROUND WATER 90.5 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 = 1/4" 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 T 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. THIS PLAN HAS BEEN PREPARED FOR THE SOLE PURPOSE OF CONSTRUCTION OF A NEW SEPTIC SYSTEM AND DOES NOT NECESSARILY REPRESENT A FULL DETAILED PROPERTY SURVEY. 13. EXISTING CESS POOLS ARE TO BE PUMPED AND REMOVED. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. ALL UNSUITABLE SOIL, (A HORIZON, APPROX. 14" DEEP) WITHIN T OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 16. SEPTIC TANK AND PUMP CHAMBER GHT BY MANUFACTU CONCRETE ADDITIVE OR CONSEAL 56 AN EZ WRAP IS ALSBE MADE WATER IO REQUIRED FOR BOTH TANKS. ANKSWITH IPANEX 17. RETAINING WALL IS TO BE STAKED BY SURVEYOR PRIOR TO CONSTRUCTION, SITE PLAN LOCATION: 15 BEACH RD., W. YARMOUTH, MA PREPARED FOR: WILLIAM BARRY DATE: 8-14-19 REVISED: 9-27-19 SCALE: 1" = 20'_11 40 MIL POLY LINER ON INSIDE 98,0 OF ENTIRE WALL BOTTOM ELEV. %Lan X993 (65'x3')111'✓v1. a � :BOX S RIVER ENGINEERING 2'x 1/2" REBAR @ 4' ON CENTER THOMAS J. McLEI�L%AN, P.E. _ :P.O. 63, EAST DENNIS, MA 02641, 508-364-9048 RETAINING WALL DETAIL (LOCATION TO BE STAKED BY SURVEYOR) 6" x 6"(30 YEAR) PRESSURE TREATED RAILROAD TIES --STAGGER JOINTS AND CONNECT WITH 12" SPIKES r K° STH r r.., 9. 3.5' STEP R.R. TIES IN 1/4" 41 i It1l 99.0 GRADE ELEV. ,i LOCATION: 15 BEACH RD., W. YARMOUTH, MA PREPARED FOR: WILLIAM BARRY DATE: 8-14-19 REVISED: 9-27-19 SCALE: 1" = 20'_11 40 MIL POLY LINER ON INSIDE 98,0 OF ENTIRE WALL BOTTOM ELEV. %Lan X993 (65'x3')111'✓v1. a � :BOX S RIVER ENGINEERING 2'x 1/2" REBAR @ 4' ON CENTER THOMAS J. McLEI�L%AN, P.E. _ :P.O. 63, EAST DENNIS, MA 02641, 508-364-9048 RETAINING WALL DETAIL (LOCATION TO BE STAKED BY SURVEYOR) SUCK ISLAD NRD L,OCIJ a J/ O \ / 11 LOT LOCATION SF) ASSESSORS MAP: 48 PARCEL: 46 PLAN BOOK: 333, PAGE: 77 KEY: EXISTING CONTOUR: - - - - PROPOSED CONTOUR: •°•°••° ••°•• EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION: 25.5 TEST HOLE: -+�i - UTILITY POLE: -O- FENCE LINE: - HYDRANT: -6- RETAINING WALL:-� BENCHMARK AT CONC,BLOCK STAIR,' ELEVA'110N = 99.05 - low, Iwo Immomm, Immomm, Immomm, SEPTIC SYSTEM DESIGN FLOW ESTIMATE: 3 BEDROOMS AT 110 GAL / DAY = 330 GAL / DAY SEPTIC TANK: 330 GAL / DAY x 2 DAYS = 660 GAL USE 1500 GALLON SEPTIC TANK LEACHING AREA: USE 25 INFILTRATOR QUICK 4 PLUS STANDARD CAPACITY CHAMBERS AS SHOWN (22'x 14.1'x 8" EFFECTIVE DEPTH) SIDE AREA: NA (0.74) = NA GAUDAY BOTTOM AREA: 4'x 25 UNITS x 4.7 = 470 SF (0.74) = 348 GAL/DAY CAPACITY = 348 GAL/DAY REQUIRED VARIANCES FROM TITLE FIVE: 1. SECTION 15.212: LEACH AREA TO BE LESS THAN V ABOVE GROUND WATER (VARIANCE OF 1'). 2. SECTION 15.211 (1): LEACH AREA TO BE LESS THAN 10' FROM LOT LINE (VARIANCE OF 4' & 5'). 3. SECTION 15.255 (5): UNSUITABLE SOIL TO BE REMOVED FOR T AROUND LEACH AREA, (VARIANCE OF 2'). 41�' 0eo'IbNb, /S Na' 1 �)41%I 1 101 / I 'I u 0. 101 r �J o P,OJ � r'• � Op j�I O P �Ct ' oc 99 100 m 99.6 haa.r �o 100 e \ ti ; o- >9 Fa90o1� O�Q\ i i 7 100 SS �? \\ 002 � SJ G v 99 %., 99.2 SEPTIC SYSTEM SECTION Sc/S 36" tree fO�S�OT/�c boa �,a<<tic TOP OF ,� o° �• say 7pV , Op•�� IN I°I I°I I°I I sh 7 / SJ G v 99 %., 99.2 SEPTIC SYSTEM SECTION 2" PRESSURE LINE TO EXIT THROUGH RISEF OR TANK. A QUICK DISCONNECT IS TO BE PROVIDED F )R FUTURE ACCESS TO PUMP. i PUMP CHAMBER COVER TO BE AT GRADE. ALL OTHER COVERS AND INSP =CTION PORT TO BE WITHIN 6" OF GFADE. INSPECTION PORT ELEV.= 100.0 TEE AT Mme` 1/8" per ft. INLET(:OVER 1/8 per ft 2" pressure (I' MIN) 37.0 line k :LEV. 99.96 99 79 100.18 TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. I°I I°I TOP OF I°I ° FOUNDATION 98.1 I°I I°I I°I I II 98.42 ELEV. �, E99.0 LEV. ELD '. (existing) ° show 92.48 1000 GAL (6" OF STONE UNDER) 97.25 -22' x 14.1' -� y ELEV. ELEV. PUMP CHAMBER 7 1500 GAL ELEV. SEPTIC TANK "OF STONE UNDER OR WITH MYERS SRM -4 PUMP. PUMP ALARM MECHANICALLY COMPACTED) TEE SIZES: INLET: 6" UP, 13" DOWN PACKAGE TO BE INSTALLED IN DWELLING OUTLET: 6" UP, 14" DOWN 2" PRESSURE LINE TO EXIT THROUGH RISEF OR TANK. A QUICK DISCONNECT IS TO BE PROVIDED F )R FUTURE ACCESS TO PUMP. i PUMP CHAMBER COVER TO BE AT GRADE. ALL OTHER COVERS AND INSP =CTION PORT TO BE WITHIN 6" OF GFADE. INSPECTION PORT ELEV.= 100.0 TEE AT Mme` 1/8" per ft. INLET(:OVER 1/8 per ft 2" pressure (I' MIN) 37.0 line k :LEV. 99.96 99 79 EDLIVING QOM ROOM ELEV. ELEV. TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I°I I II ELEV. D -BOX �, E99.0 LEV. ELD '. bh show 92.48 1000 GAL (6" OF STONE UNDER) DECK -22' x 14.1' -� GAS ELEV. PUMP CHAMBER USE 25 INFILTRATOR QUICK 4 PLUS 4 &APPLE WITH MYERS SRM -4 PUMP. PUMP ALARM 1/4" DRAIN HOLE STANDARD CAPACITY CHAMBERS ZABEL PACKAGE TO BE INSTALLED IN DWELLING AS SHOWN (22'x 14.1'x 8" EFF. DEPTH) FILTER POWERED BY A CIRCUIT SEPARATE FROM CHECK THE PUMP POWER. (DISTANCE BETWEEN ON/OFF SWITCH TO BE 4") VALVE AE JUSTED GROUND WATER ELEVATION = 95.0 %.A� (DISTANCE BETWEEN ON SWITCH AND ALARM TO BE 12") 1, EDLIVING QOM ROOM BED ROOM TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: AMY VON HONE, R.S. DINING AREA BATH BED ROOM DATE: 8-8-19 KITCHEN PERCOLATION RATE: < 2 MIN/IN bh show DECK USGS GROUND WATER ADJUSTMENT: WELL: M1W-29, ZONE: A, ADJ. (JULY): 1.3' ADJUSTED GROUND WATER ELEV.= 95.0 I EXISTING FLOOR PLAN I A'DDe J \Vim --s I® VLXA+ i1 JOV •40 MIL POLY LINER`S 50'x 1.5' DEEP .5tz" cA TOP OF LINER = 100.0 r1ciC BOTTOM ELEVATION = 98.5 FINISHED GRADE (2%) 101.5 \\. ELEV BUOYANCY �CALCULATION: 1500 GALLON SEPTIC TANK WEIGHT OF TANK= 1154862.4 LB LB/CF = 8,359 LB BUOYANCY CALCULATION: 1000 GALLON PUMP CHAMBER 8.5'x 4.83'x95 - 92.48) x 62.4 LB/CF = 6,456 LB WEIGHT OF TANK = 8,240 LB r Or MA �ERRi' ANN N WARNER No. 38721 )tX1 TH-1 99.5 O/A HORIZON ELEV. LOAMY SAND 10YR 4/1 98.3 B HORIZON PERC AT 24" LOAMY SAND -•- 10YR 518 97.2 C HORIZON MEDIUM SAND 2.5Y 7/4 OBSERVED 93.7 NOTES: 1. VERTICAL DATUM: ASSUMED 2. MUNICAPAL WATER IS AVAILABLE. 3, SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOI IT SEPTIC SYSTEM. 4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TCI CONFORM WITH AASHTO H-20 SPECIFICATIONS. 5. PIPE PITCH = 1/4" PER FOOT (UNLESS NOTED OTHEELWISE). 6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL. 7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO A 'COMODATE THE USE OF A GARBAGE DISPOSAL. 8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORIAANCE WITH THE STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL HEALTH REGULATION 11 i. 9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITI -S PRIOR TO CONSTRUCTION. 10, GROUND COVER OVER ALL SEPTIC SYSTEM COMPC NENTS NOT TO EXCEED T WITHOUT VARIANCE. 11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P S., HARWICH, MA. 12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL )F ONE OR MORE TOWN DEPARTMENTS AND IS SUBJECT TO CHANGE UNTIL SUCH TIME. THIS PL NN HAS BEEN PREPARED FOR THE SOLE PURPOSE OF CONSTRUCTION OF A NEW SEPTIC SY STEM AND DOES NOT NECESSARILY REPRESENT A FULL DETAILED PROPERTY SURVEY. 13, EXISTING CESS POOLS ARE TO BE PUMPED AND RE MOVED. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. ALL UNSUITABLE SOIL -(A -HORIZON APPROX, 14" DEEP) _WITHIN T OF PROPOSED LEACH AREA IS TO aE _ _ C D WITFI CLEAN MEDIUM SAND. SEP 0 92019 6" x 6"(30 YEAR) PRESSURE TREATED 3• RAILROAD TIES -STAGGER JOINTS 100.0 AND CONNECT WITH 12" SPIKES �!h `r` a S ELEV Q TOP OF WALL =101.5 (step down to grade) 0 0 0 0 0 0 0 3.5' STEP R.R. TIES IN 1/4" c�TO �♦ S `F� 0 0 0 0 0 0 o t D CIV![ d" X B�� 99.0 99.0 'A ��� f PROPOSED LEACHING CHAMBERS ELEV GRADE ELEV. „ ;'-'C 99.4 40 MIL POLY LINER ON INSIDE 98.0" X OF ENTIRE WALL BOTTOM ELEV. 99.3 (65'x 3') 2'x 1/2" REBAR @ 4' ON CENTER TH6MAS J. McLELL M19-37 RETAINING WALL DETAIL L SITE PLAN LOCATION: 15 B EACH RD., W. YARMOUTH, MA PREPARED FOR: WILLIAM BARRY DATE: 8-14-11 SCALE: 1" = 20' BAI S S RIVER ENGINEERING P E P.O BOX 1163, EAST DENNIS, MA 02641 1'' 508-364-9048