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HomeMy WebLinkAboutEngineer PlanLEGEND 99 `- EXISTING CONTOUR X 99.1 EXIST. SPOT ELEV. -[99]-- PROPOSED CONTOUR 198.41 PROPOSED SPOT EL. TH1 TEST HOLE SLOPE OF GROUND UTILITY POLE FIRE HYDRANT NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING SYSTEM DESIGN: GARBAGE DISPOSER IS NOT ALLOWED 1 DESIGN FLOW: 5 BEDROOMS 0 110 GPDS'= 550 GPD USE A 550 GPD DESIGN FLOW SEPTIC TANK: 550 GPD (2) = 1100 USE A 1500 GAL. SEPTIC TANK LEACHING: SIDES: 2 (42.0 + 12.8) 2 (°74) = 162.2 GPD BOTTOM 42.0 x 12.8 (.74) = 397.8 GPD TOTAL: 757 S.F. 560 GPD USE (4) 500 GAL. LEACHING CHAMBERS (ACME OR EQUAL) WITH 4.0' STONE ALL AROUND RECEIVED HP 15 70?3 HEALTH DEPT, BICE #23-- > 7 > \ TOP FOUND. EL. 17.00' PRECAST H-10 RISERS (TYP.) _ 2'm t. *14.02' - 12.64' t al 01 0 O O 0000000 *THE INSTALLER SHALL VERIFY THE ' 0 °0' LOCATIONS OF ALL UTILITIES AND ALL BUILDING SEWER OUTLETS AND ELEVATIONS PRIOR TO INSTALLING ANY PORTION OF SEPTIC SYSTEM (11 % SLOPE) FOUNDATION- 12' - SYSTEM PROFILE ALL ARKESD WIITTHCMAGNETIC TAPE OR BE (NOT TO SCALE) COMPARABLE MEANS FOR FUTURE LOCATION. ACCESS COVERS TO WITHIN 6" OF FIN. GRADE 2" PEASTONE OR GEOTEXTILE CONCRETE COVERS TO WITHIN 3" GRADE FILTER FABRIC OVER STONE 14.5' MINIMUM J5' OF COVER OVER PRECAST^ ' ~ _ 2% SLOPE REQUIRED OVER SYSTEM WATERTEST D'BOX FOR LEVELNESS BLOCKS OR MIN. 2" WALL THICKNESS PRECAST RISERS OSCH40 PVC PIPES LEVEL-1ST"2' MORTAR ALL , 4' COMPONENTS INVERT IN 12.0 1500 GAL H-10 14" ENDS (NP) 4DES 13.0' SI SEPTIC TANK TEE o°°°°° ° 39' ®® ®>o%g00000 00000000000 6" MIN. SUMP ,�®® GAS BAFFLE :. °000000000eo 12" MIN. INT. DIM. >°°°°°o°o ® �1 °o°o°o°o°o° ° ° ® ° ° ° 12.27' °°° °°°° 'oog°g°g° LEVEL (ACME i OR EQUAL) 1 .10' ° ° ° 10.0 �000000000000000a0000000000000000 o,o�000000003/4"-1-1/2" DOUBLE WASHED STONE 4' MIN. LH-20 500 GAL. LEACHING CHAMBERS BY ACME PRECAST OR EQUAL ALL AROUND PRECAST STRUCTURES (4) UNITS REQUIRED 6" CRUSHED STONE OR MECHANICAL OVERALL DIMENSIONS TO OUTSIDE OF STONE: 42.00' X 12.83' COMPACTION. (15.221 [21) l (1.0 % SLOPE) (1.0 % SLOPE) SEPTIC TANK 12' D' BOX 12' LEACHING �\1 FACILITY 4.5' BOTTOM TH-1 NO GROUNDWATER FOUND n 115 7, f NOTES 1. DATUM IS NAVD 88 2. MUNICIPAL WATER IS EXISTING 3. MINIMUM PIPE PITCH TO BE 1 /8" PER FOOT. 4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS TO BE AASHO H-10 5. PIPE JOINTS TO BE MADE WATERTIGHT. 6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH 310 CMR 15.000 (TITLE 5.) 7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO BE USED FOR LOT LINE STAKING OR ANY OTHER PURPOSE. 8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC. 9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED WITHOUT INSPECTION BY BOARD OF HEALTH AND PERMISSION OBTAINED FROM BOARD OF HEALTH. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING DIGSAFE (811) AND VERIFYING THE LOCATION OF ALL UNDERGROUND & OVERHEAD UTIUTIES PRIOR TO COMMENCEMENT OF WORK, 11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE REMOVED BENEATH AND 5' AROUND THE PROPOSED LEACHING FACILITY. 12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND REMOVED OR PUMPED AND FILLED WITH CLEAN SAND. 13. OWNER'S ENGINEER TO PERFORM INSPECTIONS OF THE FINAL INSTALLATION. MINIMUM OF 24 HOURS NOTICE REQUIRED. TEST HOLE LOGS ENGINEER: DANIEL E. GONSALVES, SE #13587 WITNESS: BARRY LEWIS DATE: 8/3/23 PERC. RATE 2 MIN/INCH CLASS SOILS Q ELEV. IT ELEV. Q" 14.5' Q" 15' A A �LS LS 10YR 4/2 10YR 4/2 18" / / / / 20" / / / / 30" 1OYR 5/6/ 120 10YR 5/6 36" 12' C C PERC CS CS UNSUITABLE SOIL 2.5Y 7/3 2.5Y 7/3 120" 4.5': 126" 4.5' NO GROUNDWATER ENCOUNTERED Yarmontb nmkb N"rhow Name Date 0" OF 44,gS C O1 >4 DANIEL o� A. °DANIEL.A OJALA q N�, `tUesr30 " CIVIL � Na. 46502 OSU ^�c /STE O N A L ENG OF lulgSs ��A �A�iN OF 41,1 o� DAI\.'•IEL s A n� y So DAryIELA y o OJA1 A OJVILA i I ? U !+ NO. 409�30� � ' No. 465,02 �oFpSS\o�O OC\��� ��S \ . ,� " " SS161, A L LNG i-� �r1-� DATE DANIEL A. OJALA, P.E., P.L.S. LOCUS MAP SCALE 1"=2000'f ASSESSORS MAP 61 PARCEL 14 LOCUS IS WITHIN FEMA FLOOD ZONE X (AREA OF MINIMAL FLOOD HAZARD) AS SHOWN ON COMMUNITY PANEL #25001CO591J DATED 7/16/2014 TITLE 5 SITE PLAN OF #315 UNION STREET SOUTH YARMOUTH, MA PREPARED O. DATE: AUGUST 10, 2023 Scole:1 "= 20' 0 10 20 30 40 50 FEET off 508-362-4541 I fax 508-362-9880 downcape.com down cope eagiaeefing, inc. civil engineers land surveyors 939 Main Street ( Rte 6A) YARMOUTHPORT MA 02675 SURVEY: QAH DRAFTED BY: PTT CHECKED BY: J iri �-