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HomeMy WebLinkAbout395 Weir Road - Septic Design 5.! I TOP OF. FOUNDATION 20 FT. MINIMUM FROM CELLAR ELEV. - 102.75 1 10 FT. MINIMUM 10 FT. MINIMUM FROM SLAB OR CRAWL SPACE CONCRETE COVERS 4SCHEDULE 40 PVC MIN. PITCHI /8' PER FTS A 4,50 4' CAST IRON PIPE (OR EQUAL) MINIMUM PITCH 1/4PER FT. FLOW LINE ELEV. - 2�5-TMIN. LEv. 97.75 LEVEL ELEV. ELEV a 6' SUMP ELEV. - -27.43 INSPECTION PORT OBSERVATION HOLE 1 ELEv.- 1103.00 LOAM AND SEED OBSERVATION MOLE 2 ELEV.- 1100.30 2' LAYER OF PERCOLATION RATE _S.2 MIN./INCH AT 69 INCHES PERCOLATION RATE 2 MIN.ANCH IN Cl & C2'HORIZON. 1/8' TO 1/2' D.80 MAX WASHED STONE VENT , 9&55 MIN. NOT REQUIRED z 1 CU. FT. OF _ CONCRETE 97.80 Q ANCHOR a _ 0 ELEV, - 98.47 4 HIGH CAPACITY INFILTRATORS WITH STONE IN AN u u T&17 DEPTH HORIZ BAFFLE DISTRIBUTION LIQUID OUTLET 0-14 ELEV. BOX 4 FEET 14 INCHES (70 BE PLACED ON FIRM BASE) TO BE WATER TESTED 6 FEET 24 INCHES 1500 GALLON IF MORE. THAN ONE OUTLET 7 FEET 8 FEET 29 INCHES 34 INCHES SEPTIC TANK (TO BE PLACED ON FIRM BASE) LOAMY SAND 7.5195/8 209 3/4' TO 1 1/2" CLEAN -� 46-120 Cl COURSE SAND 2.5Y7/3 DOUBLE WASHED STONE FREE OF FINES & SILT LOCATION MAP REv. SEWAGE DISPOSAL SYSTEM PROFILE NOT TO SCALE INSPECTION PORT OBSERVATION HOLE 1 ELEv.- 1103.00 LOAM AND SEED OBSERVATION MOLE 2 ELEV.- 1100.30 2' LAYER OF PERCOLATION RATE _S.2 MIN./INCH AT 69 INCHES PERCOLATION RATE 2 MIN.ANCH IN Cl & C2'HORIZON. 1/8' TO 1/2' D.80 MAX WASHED STONE VENT , 9&55 MIN. NOT REQUIRED z 1 CU. FT. OF _ CONCRETE 97.80 Q ANCHOR a _ 0 ELEV, - 98.47 4 HIGH CAPACITY INFILTRATORS WITH STONE IN AN u u T&17 DEPTH HORIZ TEXTURE COLOR MOTT. OTHER 0-14 A LOAMY SAND 10YR2/1 NO ROOTS". 14-32 B1 LOAMY SAND 10YR5/8 20% COBBLES 32-46 B2 LOAMY SAND 7.5195/8 209 COBBLES 46-120 Cl COURSE SAND 2.5Y7/3 rJOB NO. 5413-00 DEPTH HORIZ TEXTURE COLOR _ - MOTT. OTHER 0-12 A , LOAMY SAND 10YR2/2 NO r ROOTS 12-25 B1 LOAMY SAND 10YR5/8 ROOTS 25-54 Cl MEDIUM SAND t0YR6/8 54-120 C2 ' MEDIUM SAND 2.SY6/2 SOIL ^ABSORPTIONr M1 v N WELL N/A NO WATER ENCOUNTERED AT ,12n_ ELEV. _ s NO WATER ENCOUNTERED AT _120 _ ELEV.. ZONE SYSTEM (SAS) INDEX ADJUST LEGEND: USGS PROBABLE WATER TABLE ELEV. - _ EXISTING SPOT ELEVATION 00„ 0 OBSERVED WATER TABLE ( . / / ) ELEV. - EXISTING CONTOUR----00---- BOTTOM OF TEST HOLE ELEV. 90.30 FINAL SPOT ELEVATION EU FINAL CONTOUR R-- SOIL TEST LOCATION UTILITY POLE -O TOWN WATER -WSW i CATCH BASIN /I®\ GAS UNE i G_ CESSPOOLCLEAN C.P. a ' / • 92.2 gas 04.6 � 9a.8 X94.1 /05. ; 1051 •`` 104.2 105.4 8 �. 449c.3 �• 96.2 9 a.9 ---9-4 4 �• 94.6 U O� DESIGN CALCULATIONS NUMBER OF BEDROOMS 3 GARBAGE DISPOSAL UNIT TOTAL ESTIMATED FLOW ( 110 CAL/BR./DAY X _3_ BR.) _34_ GAL/DAY REQUIRED SEPTIC TANK CAPACITY _060- GAL. ACTUAL SIZE OF SEPTIC :TANK 1500 GAL SOIL CLASSIFICATION DESIGN PERCOLATION RATE S 0� MIN./IN. EFFLUENT LOADING RATED jjA_ GAL/DAY/S.F. LEACHING AREA 474.33 SQ. FT, (11X36)+(47X2X10/12) LEACHING CAPACITY (AREA X RATE) 31,0 GAL./DAY 474.33 X 0.74 1 RESERVE LEACHING CAPACITY ,351.0 GAL./DAY NOTES: 1. ALL WORKMANJF P AND MATERIALS SHALL CONFORM TO D.E.P. TITLE 5 AND .TOWN OF _,YAH�W.RL_ RULES AND REGULATIONS THE SUBSURFACE DISPOSAL OF SEWAGE. 2. ALL COVERS TO SVkNITARY UNITS SHALL BE BROUGHT TO WITHIN 6' OF FINISHED GRADE. 1 ALL COMPONENTS OF THE SANITARY SYSTEM SHALL BE CAPABLE OF WITHSTANDING H-10 LOADING UNLESS THEY ARE UNDER DR.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 1S TO OBTAIN SUCH DETERMINATION FROM APPROPRIATE AUTHORITY. 6. UTILITIES SHOWN ARE APPROXIMATE ONLY, EXCAVATION CONTRACTL IS TO CALL 'DIG -SAFE' AT 1-888-344-7233 AT LEAST 72 HOURS PRIOR TO COMMENCING WORK ON SITE. 17. CONTRACTOR IS TO VERIFY GRADES AND ELEVATIONS AS WELL AS SITE CONDITIONS PRIOR TO COMMENCING WORK ON SITE. ANY VRIATIL. IS TO BE BROUGHT TO THE,ATTENTION OF THE DESIGN ENGINEER IMMEDIELY. 1 8. PARCEL IS IN FLOOD ZONE C 9. LOT IS SHOWN ON ASSESSORS MAP 125 AS PARCEL 38 10. A SILT FENCE WORK LIMIT IS TO BE INSTALLED PRIOR TO COMMENCING ANY WORK ON SITE. I 11. GUTTER, DOWNSPOUTS AND DRYWELL ARE REQUIRED. 12. ALL DISTURBED AREAS ARE TO BE REVEGETATED. 13. VARIANCES TO YARMOUTH REGULATIONS: A. SOIL ABSORBTION SYSTEM LESS THAN 100' AWAY FROM WETLAND. B. RESERVE AREA LESS THAN 100' FROM WETLAND. 14. IN THE EVENT OF FAILURE OF THE PRIMARY SAS, IT IS TO BE REMOVED, RE -EXCAVATED, AND CLEANED THE REPLACED IN SAME POSITION. APPROVED:' BOARD OF HEALTH DATE AGENT C.•(S81PRQ/`I541J-00;1d CRAB CREEK LN_ WEIR ROAD: LOCUS PROPOSED SEPTIC DESIGN FOR JOSH GREW PROJECT LOCATION IDT4 39 �_TEIRl-'ROAD > YARHOUTH `5r='R fGINF.0:*t 7G 235 GREAT WESTERN ROAD 508- 1 P. 0. BOX 713 398-3922 SOUTH DENNIS, MASS. 02660 DATEJUNE 20, 2002 SCALE 1n = .LO' REv- JULY 17, 20021 rJOB NO. 5413-00 LOCATION MAP REv. SHEET 1 OF 1 C.•(S81PRQ/`I541J-00;1d 5413-00.DWG 02002 SWEET5ER ENGINEERINGf