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HomeMy WebLinkAbout76.214 - Proposed Septic DesignTOP PF f PUNPATION ELEV.- _96.00 10 FT. MINIMUM 3.50 4" CAST IRON PIPE PTITCH Q1/4") MINIMUM PERFT ELEV. = 9250 ELEV. 10 FTI MINIMUIM MOM ULLAN 10 FT, MINIMUM FROM SLAB OR CRAWL. SPACE CLEAN SAND TE CQVFRS INSPECTION PORT 4" SCHEDULE 40 PVC PIPE LOAM AND SEED MIN, PITCH 1/6" PER FT. 2" LAYER OF 1/8" TO 1/2" 92 03 MAX WASHED STONE E 89.78 MIN. NOTTREQUIRED TEE J-ELEV. - 92.00 / t 11 LEVEL GAS ✓V ELEV. = 88J0- 6" SUMP ELEV. BAFFLE DISTRIBUTION ELEV.i : _ (TO BE PLACED ON FIRM BASE) BOx _�96I--/ TO E WATER TESTED 1500 GALLON IF MORE THAN ONE OUTLET SEPTIC TANK (TO BE PLACED ON FIRM BASE) 3/4" TO 1 1/2" CLEAN J DOUBLE WASHED STDNE FREE OF FINES & SILT SEWAGE DISPOSAL SYSTEM PROFILE NOT TO SCALE al '" H16H CAPACITY /NEIL IRA TORS WITH STOA IN AN ll*,r 38' X 10 ' TRENCH FCRMATION SOIL ABSORPTION SYSTEM (SAS) USGS PROBABLE WATER TABLE EI OBSERVED WATER TABLE (12/28/05) EI BOTTOM OF TEST HOLE EI 87.70 WELL A1W 230 ZONE C INDEX 22.5 ADJUST 2.0 _ / / J 77.3 \ \96= 97.5 \ \ 1 86.2 \ \\� ��92 \ • 95.5 \ 5.4 \4, \ToTA< \ T To d29sFA \ , 1 LOTS 75 & 77 \ ,,� ��"��s h`'�Atio TP LOTS \ 6� AREA -QF 11'r1LAND \�BBo7£�, L�pflC�;3 • \ \ � \� �' • 89.5\ \ ��� � \ \ � �? \ ti 48.,,252-S.F. \ `(g0)- \ 92 / 90.6 \ i _ 10 X90.0 / 9 90 94 .r99.3� f�Jo \ \ 7400' 0 \ j�• 93.7 . J y 09.7 L(A Iwo 99.6 8�1 ' 9.2 148.09' l�a.. LOUISE LANE 1997.SnN 0\ \ 93.8 f FkI 93 T- _ 1 \ � (3 .99.4 94 \ �\ �a'•�'i\ C �\ 2 V \ / 94 95.0 \ // (93.9 I\ 116 .93.2 •-9�9 ^�91)- - 93.6 �(9 5 86.T 0.� •55-3 7.3 ` \ J �\ • X 6.0 89.1 1 { I Z j '� ? ? f \ Ba.� 9 87.2 \ \(9oJ\ ' LEGEND: EXISTING SPOT ELEVATION 00,0 EXISTING CONTOUR ----00---- FINAL ;SPOT ELEVATION ' FINAL CONTOUR SOIL TEST LOCATION Q UTILITY POLE -0- TOWN WATER -WSW- CATCH BASIN /®N GAS LINE G CESSPOOL CLEANOUT0. o, B.0 AO\\ 1 84.5 0€3SMAi1ON HOLE 1 ELEV.- 89.7 PERCOLATION RATE . 2 MIN./INCH IN r) r.nal7nM DEPTH ORIZ TEXTURE COLOR MOTT. OTHER 0-144 A FILL MEDIUM SAND NO STUMPS 144-156 Cl BOG IRON B CEMENTED 155-162 C2 MEDIUM SAND 29-120 C WATER ENCOUNTERED AT _ tOr3_ ELEV. w An 7 \Nra 0 \ \ \ • 105.0 \ 98\ \ 2 94.3 \ \ rn \ 1500 A a rP C 17�7K \ n �O �-r 2 �_ c \ 99.72 TEST�3 \ oo \9s \ \ \ TEST 1 90 \\ \ 91.0 D. BOX LIMIT Or 5' \ J43,76' OVERDIG , 95.4 92.6 SOIL TEST FATE OF SOIL TEST DECEMBER 28,_2005 SDIL TEST DONE BY SWEET5ER ENGINE RING WTN€SEED BY _LIJ�VLL<EEC1�k B�� fiPt1Y 08=VAl0N HOLE 2 ELEV,- e_9.7_ PERCOLATION RATE 2 MIN./INCH AT _ 72 INCHES I I [ F5 DEPTH HOFIZ TEXTURE COLOR MOTT. OTHER 0-5 0,'E MEDIUM SAND 10YR8/2 NO B 5-29 B LOAMY SAND 10YR6/6 C ROOTS 29-120 C MEDIUM/ 2.5Y7/3 COARSE SAND REV, MAY 12, LfB No. 5311_00 COARSE SAND C LOCATION MAP WATER ENCOUNTERED AT _108:_ ELEV. OBSMVATION HOLE 3 ELEV.m 883 PERCOLATION RATE _< 2_ MIN./INCH IN C CORIZON JCC DEPTH HORIZ TEXTURE COLOR MOTT. OTHER 0-14 0/E MEDIUM SAND 10YR8/1 NO 14-41 B LOAMY SAND 10YR6/6 ROOTS 41-120 C MEDIUM/ 2.5Y7/2 DATE FEB. 15, 2006 1 SCALE 1 = 20' COARSE SAND REV, MAY 12, WATER ENCOUNTERED AT 06" ELEV. An 7_ DESIGN CALCULATIONS NUMBER OF BEDROOMS 3 _ GARBAGE DISPOSAL UNIT -FC6 TOTAL ESTIMATED FLOW -- ( 110 GAL/8R./DAY X 3 SR.) � REQUIRED SEPTIC TANK CAPACITY _A3GAL GAL./DAY 0_ ACTUAL SIZE OF SEPTIC TANK 1500 GAL. SOIL CLASSIFICATION w DESIGN PERCOLATION RATE5�� MIN./IN. EFFLUENT LOADING RATE Q 7�_ GAL./DAY/S.F. LEACHING AREA ,414_33 SQ. FT. (11X36)+(47X2X10/12) LEACHING CAPACITY (AREA X RATE) MLQQ GAL./DAY 474.33 X 0.74 RESERVE LEACHING CAPACITY -3.5LQQ GAL./DAY NOTES: 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO O.E.P. TITLE 5 AND THE TOWN'S RULES AND REGULATIONS FOR THE SUBSURFACE DISPOSAL OF SEWAGE. 2. ALL COVERS TO SANITARY UNITS SHALL BE BROUGHT TO WITHIN 6" OF FINISHED GRADE. 3. ALL COMPONENTS OF THE SANITARY SYSTEM SHALL BE CAPABLE OF WITHSTANDING H-10 LOADING UNLESS THEY ARE UNDER OR WITHIN 10 FT. OF DRIVES OR PARKING AREAS. H-20 LOADING SHALL BE USED UNDER OR WITHIN 10 FT. OF DRIVES OR PARKING AREAS. 4. ANY MASONRY UNITS USED TO BRING COVERS TO GRADE SHALL BE MORTARED IN PLACE. 5. NO DETERMINATION HAS BEEN MADE AS TO COMPLIANCE WITH DEEDED OR ZONING REGULATIONS. OWNER / APPLICANT IS TO OBTAIN SUCH DETERMINATION FROM APPROPRIATE AUTHORITY. 6. UTILITIES SHOWN ARE APPROXIMATE ONLY, EXCAVATION CONTRACTOR IS TO CALL "DIG -SAFE" AT 1-688-344-7233 AT LEAST 72 HOURS PRIOR TO COMMENCING WORK ON SITE. 7. CONTRACTOR IS TO VERIFY GRADES AND ELEVATIONS AS WELL AS SITE CONDITIONS PRIOR TO COMMENCING WORK ON SITE. ANY VARIATION IS TO BE BROUGHT TO THE ATTENTION OF THE DESIGN ENGINEER IMMEDIATELY. 8. PARCEL IS IN FLOOD ZONE C 9. LOT IS SHOWN ON ASSESSORS MAP _76 AS PARCELS 214 do 215 10. ALL UNSUITABLE MATERIAL SHALL BE REMOVED FROM UNDER AND FOR A MINIMUM OF 5' AROUND SOIL ABSORPTION SYSTEM AND BE REPLACED WITH SAND AS SPECIFIED IN 310 CMR 15.255:(3). 11. ALL STUMPS, BRUSH, AND TREE DEBRIS ARE TO BE REMOVED FROM UNDER ALL SEPTIC COMPONENTS AND PROPOSED BUILDING AND BE REPLACED WITH CLEAN COMPACTED FILL. 12. THERE IS TO BE A NEGATIVE GRADE OF 3/4" PER FOOT AWAY FOR A of �3'-n!rovnv THE -PROPOSED FOUNDATION. 13. A VARIANCE IS REQUIRED FOR THE TOP'OF FOUNDATION TO BE LESS THAN 2' ABOVE THE ROAD (VARIANCE OF 5.7'). APPROVED: BOARD OF HEALTH nATF A!`CK17 oLD To:'VNHouSE C0 _F O �� } W ? U I SHEFFIELD SUFFOLK y', GUISE T LACUS PROPOSED SEPTIC DESIGN DUBLIN CONSTRUCTION PROJECT LOCATION LOTS 75 & 77 15 LOUISE LANE, W. YAR. Sl"'�E'R EILGIJ"��ERING 235 GREAT WESTERN ROAD 508- P. 0. BOX 713 398-3922 SOUTH DENNIS, MASS. 02660 DATE FEB. 15, 2006 1 SCALE 1 = 20' REV, MAY 12, LfB No. 5311_00 C LOCATION MAP REV. SHEET 1 OF 1