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HomeMy WebLinkAbout140.31 - Proposed Septic DesignTOP OF FOUNDATION ELEV. 0 FT. MINIMUM 4.30 4" CAST IRON PIPE (OR EQUAL) MINIMUM PITCH 1/47 PER FT. 4 5 6 7 LOT 2 50,329 S.F. ELEV. = 18.00 ELEV. OUTLET TEE 14 INCHE 19 INCRE' 24 INCRE 29 INC 34 INC 20 FT. MINIMUM FROM CELLAR 10 FT. MINIMUM FROM SLAB OR CRAWL SPACE CONCRETE COVERS 4" SCHEDULE 40 PVC PIPE cMIN. PITCH 1/8" PER FT. - \ I LINE U 10" -TMIN. ELEV. = 17.35 2'0" LEVEL GAS ELEV. _ X7_25_ . 6" SUMP ELEV. = ,17.08 BAFFLE DISTRIBUTION BOX ELEV. _ (TO BE PLACED ON FIRM BASE) BOX _1Z,QI} _./ x 19 04 TO BE WATER TESTED 1500 i.GALLON IF MORE THAN ONE OUTLET SEPTIC TANK (TO BE PLACED ON FIRM BASE) 3/4" TO 1 1/2" CLEAN J ` DOUBLE WASHED STONE FREE OF FINES & SILT SEWAGEVISPOSAL SYSTEM PROFILE i NOT TO SCALE \ CLEAN SAND INSPECTION PORT LOAM AND SEED 2" LAYER OF 1/8"„TO 1/2" MAX. WASHED STONE VENT 18.33 MIN. REQUIRED z ,T RQ orn a o TEXTURE c, OTHER 0-14 A ° ` 10• o 16.25 o o ° ELEV. 10YR5/8 10YR4/6 i MEDIUM SAND SOIL TEST 2 8 HIGH CAPACITY INFILTRATORS 10YR5/8 WITH STONE IN AN MEDIUM SAND 11' X 60' X 10" TRENCH FORMATION .. 4.21 . IL ABSORPTION_ WELL SDW 252 ZONE A S {SAS, INDEX 47.3 n ADJUST 1.4 USGS PROBAB TABLr ELEV. = _12.04 OBSERVED WATER T BLE (12 02) ELEV. = _10.6_4 BOTT M 07 TEST H ELEV: - �Z31� _� SOIL TEST DATE OF SOIL TEST 0_E_CEMBE 16L200:L SOIL TEST DONE BY EAGLE SURVEYjNQ__ WITNESSED BY _A._Y4.1i_FJ9BB 03SMVAMO4, HOLE 1 ELEV.= 18.64 03SOVA71M HALE 2 ELEV.= 17.31 PERCOLATION RATE > 3- MIN./INCH IN C HORIZON PERCOLATION RATE ? 3 _: MiN./INCH AT _ _ 44 INCHES DEPTH HORIZ TEXTURE COLOR MOTT. OTHER 0-14 A LOAMY SAND 10YR2/1 NO A 14-26 B LOAMY SAND 10YR4/6 l 6-120 Cl LOAMY. 10YR5/8 10YR4/6 MEDIUM SAND SOIL TEST 2 Cl WATER ENCOUNTE -D AT __g6_"__ ELEV. _ _ 10.64 • 14.39 V \ 1500 GALLON,/ TEST SOIL2 ,�0 \ \ \ x 17.27 \ SEPTIC TANK is VT \ i, ®,13.91 JS Siii Jam/ \ x .19.78 / 20.16 \ 18.78 awZ4T3 i i �' l x 21.38 OIL O ap D. BOX ii i l i •- ST 1 ®14.25 `�� \\ a�� ` iN Ll \ 9' 0 IN 17.98 00, LOT 1 j \ i \ 8.40 / �. \ LIMIT O; 441195 S. F. \ / i J `w 5' OVERDT 5.33 \�+► ` \ \ ` ! i . _ TEST 1 ` �o� /I . 018.64 �f x �7 SO .� 18 :. w f 21.03 \ 15.M-1 / W J m z D DEPTH HORIZ x 15.17 \ COLOR 3 k7� 1 OTHER ff A LOAMY SAND 10YR4/2 NO l 8-28 / LOAMY SAND 10YR4/6 SOIL TEST 2 Cl 10YR5/8 MEDIUM SAND -.( _� Looe, � / \�•� / � -?� f\. \, �7a1 LEGEND: ., - \ \ EXISTING -SPOT ELEVATION %0.0 \ \ //\6y �`l1 EXISTING CONTOUR -----00---- FINAL SPOT ELEVATION F00701\ / r FINAL CONTOUR SOIL TEST LOCATION UTILITY POLE Cob � \ � TOWN WATER Wim-- .9..�-- W CATCH BASIN /0� GAS LINE C G�7. CESSPOOL L:J I yak: / CLEANOUT �.. \ r .� W J m z D DEPTH HORIZ TEXTURE COLOR MOTT. OTHER 0-8 A LOAMY SAND 10YR4/2 NO 8-28 B LOAMY SAND 10YR4/6 8-120 Cl LOAMY.. 10YR5/8 MEDIUM SAND WATER ENCOUNTERED AT _ 112-_ ELEV. = 7"98 - DESIGN CALCULATIONS NUMBER OF BEDROOMS 5 GARBAGE DISPOSAL UNIT TOTAL ESTIMATED FLOW ( 110 GAL./BR./bAY X _5 BR.) '-MQ- GAL./DAY REQUIRED SEPTIC TANK CAPACITY _1194_ GAL. ACTUAL SIZE OF SEPTIC TANK 100 GAL. SOIL CLASSIFICATION DESIGN PERCOLATION RATE Ste_ MIN./IN. EFFLUENT LOADING RATE --0.74- GAL./DAY/S.F. LEACHING AREA 778.33 SQ. FT. (11x60)+(71X2X10/12) LEACHING CAPACITY (AREA X RATE) .5I5M GAL./DAY 778.33 X 0.74 RESERVE LEACHING CAPACITY GAL./DAY NOTES: 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO D.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_-©ETERMINATION -HAS BEEN MADE AS TO- COMPUANCE-.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 1-888-344-7233 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 14_CL_ AS PARCEL 31 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). *A 0F � 11. A NEGATIVE GRADE OF 3/4" PER FOOT SHALL BE MAINTAINED FOR A �4fir MINIMUM OF 15' AWAY FROM THE FOUNDATION. 12, A VARIANCE OF 1.0 IS REQUIRED BECAUSE THE TOP OF FOUNDATION IS T. A. %�� ONLY 1' ABOVE ROAD INSTEAD OF 2'. DWASS GAS; APPROVED: BOARD OF HEALTH Lo Vs n Z --i m :D FOR ,: RUCTIO, 'ROJECT LOCATION LOT I 0 161 CENT.P...2 ST., Y O OT s Y 1 235 GREAT WESTERN ROAD 508- P. 0. BOX 713 39$-•3922 SOUTH. DENNIS, MASS. 02660 DATE FEB. 6, 2004 SCALE 1 t= 20' REV.N0. MAR. 23, :2004 JOB 5592-01 REV. LOCATION MAP - SHEET 1 OF 1 C. S8 PROD 5892-00 dw 5892-SAS.DWG 'C 2004 SWEETSER ENGINEERING