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HomeMy WebLinkAboutEngineered Plan - Rev. 1996BENCHMARK TOP OF SC 4 9 ELEV = 100. D (ASSUMED) 4 5 6 10 FT. -------------- 4" CAST IRON PIPE PITCH (1 /4) MINPER l FTM - ELEV to ELEV. 20 FT. MINIMUM FROM CELLAR SOIL TEST 10 FT. MINIMUM FROM SLAB OR CRAWL SPACE DATE. OF SOIL TEST CLEAN SAND SOIL TEST DONE Y�=SER ENGINEERING \ CONCRETE - WITNESSED BY COVERS 4" SCHEDULE 40 PVC PIPE LOAM AND SEED OBSERVATION HOLE 1 ELEV.- ZZ- 2OBSERVATION HOLE 2 ELEV.=2 MIN. PITCH 1/8" PER FT. " LAYER OF PERCOLATION RATE ' MIN./INCH AT t* INCHES PERCOLATION RATE 'MIN./INCH AT INCHES 1/8* TO 1/2- 6 /2"6 ^r ? WASHED STONE 6" J VENT T REQUIRED z 1 CU. FT. OF CONCRETE FLOW UNE rG l: r; a, ANCHOR 10" MIN. 2.0" o o �f t, �wm d LEVEL o ` ` i 'I o f � ELEV. _• (:, BALE ELEV. 9t.2_ 6" SU ELEV = C?.(,� �.�.�M.a DISTRIBUTION ELEV s BOX rl' 4 INFILTRATORS WITH STONE IN AN , (TO BE PLACED ON FIRM BASE) z! TO BE WATER TESTED r j y x /-� TRENCH FORMATION DEPTH HORIZ TEXTURE COLOR MOTT. OTHER l ,Z Ap, ,�3 --f'?.n / c, f Lo f? rsf /`i 1,500 GALLON IF MORE THAN ONE OUTLET _ (TO BE PLACED ON FIRM BASE) SOIL ABSORPTION �'1 WELL WATER ENCOUNTERED AT % f %'� ELEV. = 77� WATER ENCOUNTERED AT ELEV a SEPTIC TANK 3/4" To 1 '1/2" SYSTEM SAS NaEx - WASHED STONE ADJUST LEGEND: DESIGN CALCULATIO S SEWAGE DISPOSAL SYSTEM PROFIL USGS PROBABLE WATER TABLE ELEV. _ EXISTING SPOT ELEVATION 00,0 NUMBER OF BEDROOMS OBSERVED WATER TABLE ( / / ) ELEV. — EXISTING. CONTOUR 00---- GARBAGE DISPOSAL UNIT NOT TO SCALE BOTTOM OF TEST HOLE ELEV. = 7 7. � FINAL SPOT ELEVATION 00.0 TOTAL ESTIMATED FLOW -- FINAL CONTOUR 0 (. GAL./BR./DAY X R.) GAL/DAY SOIL TEST LOCATION REQUIRED SEPTIC TANK CAPACITY r GAL t UTILITY POLE —O— ACTUAL SIZE OF SEPTIC TANK 1500 GAL. TOWN WATER -W w SOIL CLASSIFICATION I CATCH BASIN �Imj DESIGN PERCOLATION RATE < 5 MIN./IN. GAS LINE G\"� EFFLUENT LOADING RATE 0.74 GAL/DAY/S.F. I / / LEACHING AREA 1, 10. EXISTING CESSPOOLS ARE TO BE PUMPED AND BACKFILLED. LEACHING CAPACITY (AREA X RATE) !�' r 'GAL/DAY 11. DESIGN ENGINEER IS TO INSPECT AND CERTIFY COMPLIANCE WITH THIS PLAN. `l t" I f � k 0 ."4 12. SEPTIC TANK AND D. BOX ARE TO BE SET ON EITHER 6" OF 3/4' — RESERVE LEACHING CAPACITY " �"� GAL/DAY �, �•, 1' �,�..� // 1 1/2" STONE OR MECHANICALLY COMPACTED SAND. 13. ALL UNSUITABLE MATERIAL SHALL BE REMOVED FROM UNDER AND FOR A — 1 MINIMUM OF 5' AROUND SOIL ABSORPTION SYSTEM AND BE REPLACED NOTES: ' _ t WITH MATERIAL AS SPECIFIED IN 310 CMR 15.255:(3). 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM: TO D.E.P. TITLE 5 AND THE TOWN OF V h r� e c * RULES 'AND REGULATIONS FOR THE SUBSURFACE DISPOSAL OF SEWAGE. 2. ALL COVERS TO SANITARY UNITS SHALL BE BROUGHT TO u f I I�f ., WITHIN 6" OF FINISHED GRADE. } ? `Ll f ;c ,^ 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 SHALLBE 4., USED UNDER OR WITHIN 10 FT. OF DRIVES OR PARKING AREAS. ANY MASONARY UNITS USED TO BRING COVERS TO GRADE` SHALL t� t BE MORTARED IN PLACE. r:-. -,.. v. erv' wc. :.:•-•r�rai; Irvv 1N::> v�c�v Er'iflGC, ft�lV��:iiNif DANCE Pr1l1-t 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 1-800-322-4844 AT LEAST 72 HOURS PRIOR TO COMMENCING WORK ON SITE. 7. CONTRACTOR IS TO VERIFY GRADES AND ELEVATIONS AS WELL AS o SITE CONDITIONS PRIOR TO COMMENCING WORK ON SITE. 8. PARCEL iS 1N FLOOD ZONE o 9. LOT IS SHOWN ON ASSESSORS MAP �_ AS PARCE - f f ! A/ if f I� hf {� APPROVED: BOARD OF HEALTH 126) AUG 13 1:23 \- K r HEALTH DEPT. f DATE AGENT 4 OF + AS N -.619 I !: J t AAA x wt� 3 341 c; DATE REVISED f JOB NO. ,