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HomeMy WebLinkAbout19 Crosby Street - Proposed Septic DesignTOP OF FOUNDATION. 20 FT. MINIMUM FROM FOUNDATION ELEV,= 101.50 10 FT, MINIMUM FROM SLAB OR CRAWL SPACE (ASSUMED) 30 FT. MINIMUM ' x -o6 EXISTING SPOT GRADE OBSERVATION HOLE: 1 ELEV.= 100.80 }. CONCRETE COVERS 1 - -fs- - EXISTING CONTOUR PERCOLATION RATE <2 MIN./INCH 0 32" 4" SCHEDULE 40 PVC PIP.€ 2' LAYER OF MIN. PITCH 1/8" PER FT. LOAM .AND SEED 1/8' TO 1/2' PROPOSED SOIL ABSORPTION SYSTEM. 6 HIGH CAPACITY INFILTRATORS W/ 4' STONE - ON THE SIDES AND 2.75' OF STONE ON THE ENDS. 9EXIST.AREA= 12.100 S.F.± �J OZ r C GARAGE TH1 CLEAN SAND WASHED STONE N 0 LOAMY SAND 2.6' 4 WATER SHUT OFF VALVE SLAB O x 1 ;r oc C.P.O CESSPOOL 14.6, 10.c 4' CAST IRON PIPE 6' MAX, - 0- P�P2 - 100.70 MAX. VENT DATE: 11-20-00 (OR EQUAL) MINIMUM REVISED .� NG 4886 LOCUS MAP PROPOSED D -BOX NOT REQUIRED A RE"D PITCH 1/4' PER FT. 1 Cr,. 7x 24' pH>1, i Z 35 1 110.0' 100.4 x i0c 5o ._ $ { lD 97.70 a 1 CU. FT. OF CONCRETE ANCHOR ELEV.= 96.90 _ �-�-+1 LEV.= 98.03 2.0' e ELEV.= 98.28 GAS BAFFLE ELEV.= LEVEL 6' SUMP 10' 97 77 ELEV.= 97.60 ELEV,= 96.37 DISTRIBUTION LIQUID OUTLET (TO BE PLACED ON FIRM BASE) 1313X TO BE WATER TESTED - 6 HIGH CAPACITY INFILTRATORS DEPTH TEE (TO BE PLACED ON FIRM BASE) WITH TION ONE IN AN Il' X 48' N A 4 FEET 14 INCHES 1500 GALL.❑N TRENCHTFFORM WELL 5 FEET 19 INCHES ELEV.= 6 FEET 24 INCHES SEPTIC TANK°NE 97.20 7 FEET 29 INCHES f INDEX 8 FEET 34 INCHES 3/4" Tot 1/2" S❑IL ABS❑RPTI❑N � ADJUST CLEAN DOUBLE SYSTEM (SAS) SEEPAGE DISPOSAL SYSTEM PROFILE OF FINOES 8.07 FREE AND SILTS (NOT TO SCALE) - USGS PROBABLE WATER TABLE ELEV.= OBSERVED WATER TABLE (11/4/00) ELEV.= BOTTOM OF TEST HOLE ELEV.= 88.30 PROPOSED SOIL ABSORPTION SYSTEM. 6 HIGH CAPACITY INFILTRATORS W/ 4' STONE - ON THE SIDES AND 2.75' OF STONE ON THE ENDS. 9EXIST.AREA= 12.100 S.F.± SITE PLAN SCALE: 1"=20' 121.37'± EXISTING STONE DRIVEWAY 100.9 O 19 EXISTING 4 BEDROOM DWELLING TOP OF FOUNDATION ELEV. =101.50 x 1C^ P EXISTING INV. OUT { ELEV.=98.90 a.9 PROPOSED 1500 GAL. SEPTIC TANK 121.37'3 �J OZ r C GARAGE TH1 1, N 0 LOAMY SAND o, V WATER SHUT OFF VALVE SLAB O x 1 ;r oc C.P.O CESSPOOL 14.6, 10.c C 11' - 0- P�P2 PO BOX 713 SOUTH DENNIS, MA 02660 off. 508-398-3922 fox. 508-398-3063 DATE: 11-20-00 SCALE: 1,•_20' REVISED .� NG 4886 LOCUS MAP PROPOSED D -BOX A RE"D SHEET 1 OF 1 1 Cr,. 7x 24' pH>1, 35 1 110.0' 100.4 x i0c 5o ._ SITE PLAN SCALE: 1"=20' 121.37'± EXISTING STONE DRIVEWAY 100.9 O 19 EXISTING 4 BEDROOM DWELLING TOP OF FOUNDATION ELEV. =101.50 x 1C^ P EXISTING INV. OUT { ELEV.=98.90 a.9 PROPOSED 1500 GAL. SEPTIC TANK 121.37'3 BmcHm C8 ELEVATION= 100.00' (ASSUMED) x 00 1 1 x 1009 ICD C x 99 9 ---- �J OZ r C PROPOSED SPOT GRADE TH1 OTHER N 0 LOAMY SAND o V WATER SHUT OFF VALVE 13'-21' O '�- BmcHm C8 ELEVATION= 100.00' (ASSUMED) x 00 1 1 x 1009 ICD C x 99 9 ---- PROPOSED CONTOUR xfel.5 PROPOSED SPOT GRADE TH1 OTHER I SOIL TEST LOCATION LOAMY SAND WATER LINE NO WATER SHUT OFF VALVE 13'-21' EXISTING GAS LINE '�- CLEAN OUT C.P.O CESSPOOL 4e , v�p�t"� f,ri1 s17K� DEPTH HORIZ TEXTURE COLOR MOTT. OTHER 0"-13" A/p LOAMY SAND 10YR 2/2 NO 13'-21' B LOAMY SAND 10YR 5/8 ROOTS 21"-150" C MEDIUM SAND 10YR 6/4 P�P2 PO BOX 713 SOUTH DENNIS, MA 02660 i CATCH BASIN • NO ENCOUNTERED AT 150" ELEV.= 88.30 DESIGN CALCULATIONS: NUMBER OF BEDROOMS: 4 GARBAGE DISPOSAL UNIT1 NO TOTAL ESTIMATED FLOW (110 GAL./BR./DAY X 3 BR.) 440 GAL./DAY REQUIRED SEPTIC TANK CAPACITY: 880_ GAL. - ACTUAL SIZE OF SEPTIC TANK: 1500- GAL. SOIL CLASSIFICATION: 1 DESIGN PERCOLATION RATE: < 2 MIN./IN. EFFLUENT LOADING RATE: 0.74 GAL./DAY/S.F. LEACHING AREA: 639,00 SQ. F.T. (11 X 49) + (60 X 2 X 10/12) LEACHING CAPACITY (AREA X RATE): 472.86 GAL./DAY 639.00 X 0.74 RESERVE LEACHING CAPACITY: NSA GAL./DAY NOTES: 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO D.E.P. TITLE 5 AND THE TOWN OF_ AR1 OUPA 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 MASONARY 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. UTIUTIES SHOWN ARE APPROXIMATE ONLY, EXCAVATION CONTRACTOR IS TO CALL "DIGSAFE" AT 1-888-344-7233 AT LEAST 72 HOURS PRIOR TO COMMENCING WORK ON SITE 7. CONTRACTOR 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. B. PARCEL IS IN FLOOD ZONE C 9. LOT IS SHOWN ON ASSESSORS MAP 51 AS PARCEL 36 . 10. EXISTING SEPTIC/CESSPOOL(S) TO BE PUMPED AND REMOVED. 11. THIS, PLAN IS NOT A PERIMETER SURVEY. APPROVED DATE BOARD OF HEALTH AGENT SOUTH YARMOUTH, MA -- PROPOSED SEPTIC DESIGN FOR �- RT. 28 LYNN C USI CK PRWECT WUnON: LOT 8 19 CROSBY STREET SOUTH YARMOUTH, MA 02664 P1 0 SWEETSER ENGINEERING 1 e 235 GREAT WESTERN ROAD P�P2 PO BOX 713 SOUTH DENNIS, MA 02660 off. 508-398-3922 fox. 508-398-3063 DATE: 11-20-00 SCALE: 1,•_20' REVISED .� NG 4886 LOCUS MAP NOT To SCALE RE"D SHEET 1 OF 1 ------------ © 2000 SWEETSER ENGINEERING