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HomeMy WebLinkAboutEngineered Plan - 2018CONSTRUCTION NOTES TOP OF FOUNDATION PITCHING TO THE SOIL ABSORPTION SYSTEM. DISTRIBUTION BOX SHALL BE WATER TESTED TO EL=50.0 1.) ALL WORK SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE, TITLE 5 (310 CMR 15.000): Map 99 STANDARD REQUIREMENTS FOR THE SITING, CONSTRUCTION, INSPECTION, UPGRADE, AND EL=49.2± EXPANSION OF ON-SITE SEWAGE TREATMENT AND DISPOSAL SYSTEMS AND FOR THE TRANSPORT Parcel 84 AND DISPOSAL OF SEPTAGE, AND THE LOCAL BOARD OF HEALTH REGULATIONS. \ \ 2.) ANY SEPTIC SYSTEM COMPONENT INSTALLED IN A LOCATION WHERE THERE IS POTENTIAL FOR ANY PRIVATE UTILITY COMPANIES, AND THE LOCAL WATER DEPARTMENT. VEHICLES OR HEAVY EQUIPMENT TO PASS OVER IT SHALL BE DESIGNED TO WITHSTAND AN H-20 e / \ LOADING. IF UNDER AN IMPERVIOUS SURFACE, SYSTEM SHALL BE VENTED TO THE ATMOSPHERE, 16.) CONTRACTOR SHALL VERIFY 3.) TO MINIMIZE UNEVEN SETTLING, SEPTIC TANKS AND D -BOX SHALL BE INSTALLED ON A STABLE / / MECHANICALLY -COMPACTED BASE ON SIX INCHES OF CRUSHED STONE. '' 4.) COVERS OVER THE INLET AND OUTLET TEES OF THE SEPTIC TANK, THE DISTRIBUTION BOX, AND 4 THE SOIL ABSORPTION SYSTEM SHALL BE RAISED TO WITHIN 6" OF FINAL GRADE. LEACHING 47.0 FIELDS, TRENCHES, AND OTHER SOIL ABSORPTION SYSTEMS WITHOUT ACCESS MANHOLES SHALL 47.5f o HAVE AT LEAST ONE (1) INSPECTION PORT CONSISTING OF PERFORATED 4" PVC PIPE PLACED 00 VERTICALLY TO THE BOTTOM OF THE SOIL ABSORPTION SYSTEM WITH A CAP, TIED WITH MAGNETIC GAS BA MARKING TAPE, ACCESSIBLE TO WITHIN 3" OF FINAL GRADE. 5.) PIPING SHALL CONSIST OF 4" SCHEDULE 40 PVC OR EQUIVALENT. PIPE SHALL BE LAID ON A - MINIMUM CONTINUOUS GRADE OF NOT LESS THAN 2% FROM THE BUILDING TO THE SEPTIC TANK, 11'± -I AND NOT LESS THAN 1% OTHERWISE. EXISTING AND THE APPROVED PLANS. 48 HOURS ADVANCE NOTICE IS REQUESTED. \ 1,000 GALLON 6.) DISTRIBUTION LINES FOR THE SOIL ABSORPTION SYSTEM SHALL BE 4" DIAMETER- SCHEDULE 40 PVC (OR EQUIVALENT) LAID AT 0.005 FT/FT. UNLESS OTHERWISE NOTED. LINES SHALL BE CAPPED SEPTIC TANK AT END OR AS NOTED. (TO REMAIN) 7.) LINES FROM THE DISTRIBUTION BOX TO BE LEVEL FOR THE FIRST TWO (2) FEET BEFORE / \\/ PITCHING TO THE SOIL ABSORPTION SYSTEM. DISTRIBUTION BOX SHALL BE WATER TESTED TO Elev. ASSURE EVEN DISTRIBUTION. Map 99 8.) GROUT TO BE USED AT ALL POINTS WHERE PIPES ENTER OR LEAVE ALL CONCRETE STRUCTURES #92 IN ORDER TO PROVIDE A WATERTIGHT SEAL. Parcel 84 9.) HEAVY EQUIPMENT SHALL NOT BE ALLOWED TO OPERATE OVER THE LIMITS OF THE SEWAGE \ \ DISPOSAL FIELD DURING THE COURSE OF CONSTRUCTION OF THE SYSTEM. ANY PRIVATE UTILITY COMPANIES, AND THE LOCAL WATER DEPARTMENT. 10.) IN ACCORDANCE WITH 310 CMR 15.221, ALL SYSTEM COMPONENTS SHALL BE MARKED WITH e / \ MAGNETIC MARKING TAPE. 16.) CONTRACTOR SHALL VERIFY THAT ALL WASTELINES ARE CONNECTED BY WATER TESTING / / 11.) THERE ARE NO KNOWN WELLS WITHIN 150' OF THE PROPOSED SOIL ABSORPTION SYSTEM. '' 12.) FROM THE DATE OF THE INSTALLATION OF THE SOIL ABSORPTION SYSTEM UNTIL RECEIPT OF INSTALLATION OF ANY SEPTIC COMPONENTS. THE CERTIFICATE OF COMPLIANCE, THE PERIMETER SHALL BE STAKED AND FLAGGED TO PREVENT / USE OF THE AREA THAT MAY CAUSE DAMAGE TO THE SYSTEM. .1�0 13.) THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UNLESS Medium CONSTRUCTED AS SHOWN ON PLAN. ANY CHANGES SHALL BE APPROVED IN WRITING BY THE k4&7) DESIGNER. 14.) THE BOARD OF HEALTH REQUIRES INSPECTION OF ALL CONSTRUCTION BY AN AGENT OF THE / ^\ (49.1) Garage BOARD -OF -HEALTH- AND THE "DESIGNER -THE DESIGNER -SHALL -CERTIFY- IN -WRITING THAT THE- HE SEWAGE DISPOSAL SYSTEM WAS INSTALLED IN ACCORDANCE WITH THE TERMS OF THE PERMIT \ SEWAGE / AND THE APPROVED PLANS. 48 HOURS ADVANCE NOTICE IS REQUESTED. \ / /Grovel MINIMUM 20" DIAMETER COVERS RAISED TO WITHIN 6" OF FINISH GRADE (OR AS NOTED) 48.2± Proposed Tee -�, EL=49.5± / +I 00 45.5 _t PROPOSED VENT GEOTEXTILE FABRIC I 5kreetYARMOUTH, MA Fes Nal 7�1v LOCUS � o o 0 v � Jit( - -�.1 / 45.07 44.9 sU v Yv "JSITE LOCUS 46.8 �-- 3/4" to NOT TO SCALE d N 44 7 - J cV 1-1/2" STONE \ D13-3 (Double wash) H-20 Rated THREE (3) H-20 500 GALLON PRECAST D -BOX 42.7 CONCRETE LEACH CHAMBERS WITH 1' OF 6'± 3, STONE ON ENDS AND 1' ON SIDES LEACH CHAMBERS 5.8 (END VIEW) FLOW PROFILE NOT TO SCALE EL=36.9 Bottom Test Hole Lot 7011, 10,221± SE \ Deck AC 15.) LOCATION OF UTILITIES IS APPROXIMATE AND CONTRACTOR SHALL BE RESPONSIBLE FOR DETERMINING THE LOCATION OF ALL UNDERGROUND AND OVERHEAD UTILITIES PRIOR TO / \\/ / \ / House Elev. \ / Driveway / \ #92 COMMENCEMENT OF ANY WORK. THIS INCLUDES, BUT IS NOT LIMITED TO, REQUESTS TO DIGSAFE, / / \ \ 2 Bedroom ANY PRIVATE UTILITY COMPANIES, AND THE LOCAL WATER DEPARTMENT. REQUIRED. e / \ TOF = 50.0 16.) CONTRACTOR SHALL VERIFY THAT ALL WASTELINES ARE CONNECTED BY WATER TESTING / / (494) WITHIN THE DWELLING PRIOR TO INSTALLATION OF ANY SEPTIC COMPONENTS. \ (4 8.,-V) / / `7;po9 / TBM EL = 50.7 17.) CONTRACTOR SHALL VERIFY EXISTING INVERT ELEVATIONS PRIOR TO INSTALLATION OF ANY Medium / / zpg`oa Existing Top Step SEPTIC SYSTEM COMPONENTS. \ / r�� 1,000 GoI h \ >> o� S_ Tank NO - 18.) TEST HOLES COMPLETED PER STATE ENVIRONMENTAL CODE, TITLE 5. SOILS CAN BE \ �\ 'o• (49.5) / VARIABLE AND TEST HOLE DATA IS NO GUARANTEE OF SOIL CONDITIONS IN OTHER AREAS. IF \ �� SAS SOILS DIFFER FROM THOSE SHOWN IN THE SOILS LOGS, DESIGN ENGINEER IS TO INSPECT THE \ O Test S01 PRIOR TO PROCEEDING WITH INSTA ATION OF ANY SEPTIC COMPONENTS Pit LS LL Depth Elev. \ O` �t 19.) EXISTING SEPTIC COMPONENTS TO BE LOCATED, PUMPED DRY, FILLED WITH CLEAN SAND AND 37 O,L�� \ \ ETW`in�` j ABANDONED IN PLACE OR REMOVED AS REQUIRED. AREA TO BE COMPACTED TO MINIMIZE SETTLING. O� 1OYR 3/1 Ook l ) O Loamy \ \\ 20- 42"-54" 44.9 B Medium 10YR 5/1 Fine Sand 54"-150" 36.9 C Medium 2.5Y 6/4 Fine Sand Q � G See Note \#19 Floor Plan (48� N.T.S. \ TEST HOLE LOGS Test Hole #1 (EL=49.4±) Depth Elev. Layer Soil Class Soil Color Comments 0"-34" 46.6 Fill 34"-42" 45.9 A Loamy Sand 1OYR 3/1 Loamy 42"-54" 44.9 B Medium 10YR 5/1 Fine Sand 54"-150" 36.9 C Medium 2.5Y 6/4 Fine Sand DATE OF TESTING: 11/29/18 SOIL EVALUATOR: Dan Croteou BOARD OF HEALTH AGENT: Amy von Hone PERCOLATION RATE: LESS THAN 2 MIN/INCH (C Layer) NO GROUNDWATER ENCOUNTERED (49.6) DB G Ex�sUng � '8- Pane C --� i i• C TBM EL = 50.0 \ (' Top Foundation Proposed New Gas Line O�� Location 1 (48.3) Map 99 Parcel 80 00 Xari"nont!o Health Department I? RVE Map 99 Parcel 86 VARIANCES REQUESTED Local Upgrade Approvals: 310 CMR 15.403 Variances: 310 CMR 15.221 (7) General Construction Requirements for All System Components: 1.) Soil Absorption System > 36" Below Finish Grade 48" Held 12" Variance Requested (Not to Exceed 72") i GRAPHIC SCALE 20 0 10 20 40 80 ( IN FEET ) 1 inch 20 ft. Date 77> 1.) Assessor's Map 99 Parcel 85 2.) D684236 3.) L.C. Plan 31209-D Sht I1 4.) This property is in a Groundwater Protection District 5.) This property is not in the Flood Zone. A DESIGN CALCULATIONS SEWAGE DESIGN FLOW REQUIRED: 2 BEDROOM DWELLING @ 110 GPD / BEDROOM = 220 GPD REQUIRED SEWAGE DESIGN FLOW PROVIDED: THREE (3) H2O 500 GALLON LEACH CHAMBERS WITH 1' STONE ON THE ENDS AND 1' STONE ON THE SIDES [(2& -.O -x--6-.83) + -2(26.-0-+-`6.83) (2) x -.74­228--GPD 228--GPD-PROVIDED-- - -- - 228 GPD PROVIDED > 220 GPD REQUIRED SEPTIC TANK CAPACITY REQUIRED: 220 GPD X 200 = 440 GPD SEPTIC TANK CAPACITY PROVIDED: 1,000 GALLON SEPTIC TANK '(EXISTING) A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN FLOW -1 "/�" Note: This plan is only valid for current regulations and may not be suitable for future regulation changes that may occur. Date: 11/30/18 1 Sheet 1 of 1 113y. MA