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Home My WebLink About18CONSTRUCTION NOTES El, Layer Sag, Class Soil Color 0-6" 50.3 TOP OF FOUNDATION MINIMUM 20" DIAMETER COVERS OBSERVATION PORT 1.) ALL WORK SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE, TITLE 5 (310 CMR 15.000): EL = 51.9 RAISED TO WITHIN 6" OF FINISH GRADE RAISED TO WITHIN STANDARD REQUIREMENTS FOR THE SITING, CONSTRUCTION, INSPECTION, UPGRADE, AND (OR AS NOTED) 6" OF FINISH GRADE EXPANSION OF ON: -SITE SEWAGE TREATMENT AND DISPOSAL SYSTEMS AND FOR THE TRANSPORT AND DISPOSAL OF SEPTAGE, AND THE LOCAL BOARD OF HEALTH REGULATIONS. EL = 50.7 EL = 49.0 2.) ANY SEPTIC SYSTEM COMPONENT INSTALLED IN A LOCATION WHERE THERE IS POTENTIAL FOR VEHICLES OR HEAVY EQUIPMENT TO PASS OVER IT SHALL BE DESIGNED TO WITHSTAND AN H-20v'�` { ". %\�%� : �� :,•',� '' �� j� '�,'% , ,�_ f \' / q I 1 LOADING. IF UNDER AN IMPERIOUS SURFACE, SYSTEM SHALL BE VENTED TO THE ATMOSPHERE. ��r/• \� l X �f•.� p f 6" Sch 40 PVC 3.) TO MINIMIZE UNEVEN SETTUNG, SEPTIC TANKS AND D -BOX SHALL BE INSTALLED ON A STABLE MECHANICALLY -COMPACTED BASE ON SIXINCHESOF CRUSHED STONE. 4.) COVERS OVER THE INLET AND OUTLET TEES OF THE SEPTIC TANK, THE DISTRIBUTION BOX, AND THE SOIL ABSORPTION SYSTEM SHALL BE RAISED TO WITHIN 6 OF FINAL GRADE. LEACHING FIELDS, TRENCHES, AND OTHER SOIL ABSORPTION SYSTEMS WITHOUT ACCESS MANHOLES SHALL HAVE AT LEAST ONE (1) INSPECTION PORT CONSISTING OF PERFORATED 4" PVC PIPE PLACED VERTICALLY TO THE BOTTOM OF THE SOIL ABSORPTION SYSTEM WITH CAP, TIED WITH MAGNETIC 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 489 MINIMUM CONTINUOUS GRADE OF NOT LESS THAN 2% FROM THE BUILDING TO THE SEPTIC TANK, Exist AND NOT LESS THAN 1% OTHERWISE. 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 AT END OR AS NOTED. 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 ASSURE EVEN DISTRIBUTION. 8.) GROUT TO BE USED AT ALL POINTS WHERE PIPES ENTER OR LEAVE ALL CONCRETE STRUCTURES IN ORDER TO PROVIDE A WATERTIGHT SEAL. 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. III11I000000.) IN ACCORDANCE WITH 310 CMR 15.221, ALL SYSTEM COMPONENTS SHALL BE MARKED WITH AGNETIC MARKING TAPE. 1.) THERE ARE NO KNOWN WELLS OR WETLANDS WITHIN 150' OF THE PROPOSED SOIL ABSORPTION SYSTEM. 12.) FROM THE DATE OF THE INSTALLATION OF THE SOIL ABSORPTION SYSTEM UNTIL RECEIPT OF THE CERTIFICATE OF COMPLIANCE, THE PERIMETER SHALL BE STAKED AND FLAGGED TO PREVENT USE OF THE AREA THAT MAY CAUSE DAMAGE TO THE SYSTEM, 13.) THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UNLESS CONSTRUCTED AS SHOWN ON PLAN, ANY CHANGES SHALL BE APPROVED IN WRITING BY THE ENGINEER. 14.) THE BOARD OF HEALTH REQUIRES INSPECTION OF ALL CONSTRUCTION BY AN AGENT OF THE BOARD OF HEALTH AND THE DESIGNER. THE DESIGNER SHALL CERTIFY IN WRITING THAT THE SEWAGE DISPOSAL SYSTEM WAS INSTALLED IN ACCORDANCE WITH THE TERMS OF THE PERMIT AND THE APPROVED PLANS. 48 HOURS ADVANCE NOTICE IS REQUESTED. 15.) LOCATION OF UTILITIES IS APPROXIMATE AND CONTRACTOR SHALL BE RESPONSIBLE FOR DETERMINING THE LOCATION OF ALL UNDERGROUND AND OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF ANY WORK. THIS INCLUDES, BUT IS NOT LIMITED TO, REQUESTS TO DIGSAFE, ANY PRIVATE UTILITY COMPANIES, AND THE LOCAL WATER DEPARTMENT. 16.) CONTRACTOR SMALL VERIFY THAT ALL WASTEUNES ARE CONNECTED BY WATER TESTING WITHIN THE DWELLING PRIOR TO INSTALLATION OF ANY SEPTIC COMPONENTS, 17.) CONTRACTOR SHALL VERIFY EXISTING INVERT ELEVATIONS PRIOR TO INSTALLATION OF ANY SEPTIC SYSTEM COMPONENTS. 18.) TEST HOLES COMPLETED PER STATE ENVIRONMENTAL CODE, TITLE 5. SOILS CAN BE ARIABLE AND TEST HOLE DATA IS NO GUARANTEE OF SOIL CONDITIONS IN OTHER AREAS. IF OILS DIFFER FROM THOSE SHOWN IN THE SOILS LOGS, DESIGN ENGINEER IS TO INSPECT THE OILS PRIOR TO PROCEEDING WITH INSTALLATION OF ANY SEPTIC COMPONENTS. 9.) EXISTING SEPTIC COMPONENTS TO BE LOCATED, PUMPED DRY, FILLED WITH CLEAN SAND AND ABANDONED IN PLACE OR REMOVED AS REQUIRED. AREA TO BE COMPACTED TO MINIMIZE SETTLING. T'1 48.2 O 13'± 4 49.4 47:3 ✓ 4/OZ / DB -3 GAS BAFFLE H-20 Rated �- D-13 OX 45.6 EXISTING k -3o'± 1,000 GALLON SEPTIC TANK FLOW PROFILE NOT TO SCALE Test Hae 1 (EL=50.8±) TEST HOLE LOGS Depth El, Layer Sag, Class Soil Color 0-6" 50.3 A/E Laamy Sand IOYR3/2 6"-36" 47.8 B Loomy Sand 10YR5/6 36"-123" 40.6 C Medium Sand 2.5Y6J5 Test Hole 2 (EL_=50.ftjl Depth Elev. Layer Soo Class Sail Color 0-6" 50,3 A/E Loamy Sand IOYR3/2 6"-36" 47.8 B Loamy Sand t0YR5/6 36"-123" 40.6 C MSodnd ' 2.5Y6/5 DATE OF TESTING: 12/04/20 SOIL EVALUATOR: DAVID FLAHERTY JR WITNESS: MALLORY LANGLER YARMOUTH HEALTH AGENT PERCOLATION RATE: LESS THAN < 2 MIN/INCH NO GROUNDWATER ENCOUNTERED Inspection Notes PRIOR TO FINAL INSPECTION BY THE ENGINEER, SYSTEM D -BOX NEEDS TO BE COMPLETE. INCLUDING BUILDUP FOR COVERS, _LE ;• Jerforoted Sch 40 PVC GEOTEXTILE " SCHEDULED - 40 PVC SET AT .005 SLO ON 6" DOUBLE WASHED 3/4" - 1 1/2" ST 45.6 28.0' Ho,. 5,0' I LEACH FIELD (SIDE VIEW) EL = 40.6 Bottom of test SYSTEM DESIGN CALCULATIONS SEWAGE DESIGN FLOW REQUIRED: EXISTING 2 BEDROOM DWELLING 110 GPD / BEDROOM = 220 GPD REQUIRED MINIMUM DESIGN REQUIRED: 330 GPD SEWAGE DESIGN FLOW PROVIDED: THREE (3) SCH 40 PERFORATED PIPES IN 16' X 28' LEACHING 6" DEEP SiBED Vt = 28 .0 x 16.0 = 448 SF x .74 4 33 GPD PROVIDED 331 GPD PROVIDED > 22C GPD REOU SEPTIC TANK CAPACITY REQUIRED: 220 GPO X 200 = 440 GPD SEPTIC TANK CAPACITY PROVIDEO: EXISTING 1,000 GALLON SEPTIC TANK A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN FLOW Observation Port PLAN VIEW N.T.S. B. MORE No. 39398 7 / oposed Site and Septic Plan owhead Prepared by: Mike Karras 18 Arrowhead Drive Yarmouth Port, MA Drive Yarmouth Port, MA Prepared by. All Cope Septic and Survey 618 Route 28 West Yarmouth, MA 02673 (508) 771-4200 alicapeseptic@gmoil.com December 8, 2020 Sheet 2 of 2 By. MA Check: SM Dwg. #296