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Home My WebLink About105e002CONSTRUCTION NOTES t.) ALL WORK SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE. TIRE 5 (310 CMR 15.000)_ STANDARD REQUIREMENTS FOR THE SITING, CONSTRUCTION, INSPECTION. UPGRADE. AND EXPANSION OF ON -SITE SEWAGE TREATMENT AND DISPOSAL SYSTEMS AND FOR THE TRANSPORT 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 VEHICLES OR HEAVY EQUIPMENT TO PASS OVER IT SHALL BE DESIGNED TO WITHSTAND AN H-20 LOADING. IF UNDER AN IMPERVIOUS SURFACE, SYSTEM SHALL BE VENTED TO THE ATMOSPHERE. 1) 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 D15T M71ON BOX, AND THE SOIL ABSORPTION SYSTEM SHALL BE RAISED TO WITHIN 6" OF FINAL GRADE. LEACHING 13.3 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 Exist VERTICALLY To THE BOTTOM OF THE SOIL ABSORPTION SYSTEM WITH A 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 MINIMUM CONTINUOUS GRADE OF NOT LESS THAN 2% FROM THE BUILDING TO THE SEPTIC TANK, 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 NOTE. 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. B.) 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 O THE SEWAGE DISPOSAL FIELD DURING THE COURSE of CONSTRUCTION OF THE SYSTEM. 10.) IN ACCORDANCE WITH 310 CMR 15.221. ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC MARKING TAPE, 11.) THERE ARE NO KNOWN WELLS OR WETLANDS WITHIN 15W OF THE PROPOSED SOH. 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 O 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 T06 REQUESTS TO DIGSAFE, ANY PRIVATE UTILITY COMPANIES. AND THE LOCAL. WATER DEPARTMENT. 16.) CONTRACTOR SHALL 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 O ANY SEPTIC SYSTEM COMPONENTS, 18.) TEST HOLES COMPLETED PER STATE ENVIRONMENTAL CODE. TITLE 5. SOILS CAN BE VARIABLE AND TEST HOLE DATA IS NO GUARANTEE OF SOIL CONDITIONS IN OTHER AREAS, IF SOILS DIFFER FROM THOSE SHOWN IN THE SOILS LOGS, DESIGN ENGINEER IS TO INSPECT THE SOILS PRIOR TO PROCEEDING WITH INSTALLATION OF ANY SEPTIC COMPONENTS. 19.) EXISTING SEPTIC COMPONENTS To BE LOCATED. PUMPED DRY, FILLED WITH CLEAN SAND AND ABANDONED IN PLACE OR REMOVED AS REQUIRED, AREA TO DE COMPACTED TO MINIMIZE SETTLING, INCLUDING THE SEPTIC TANK. EXCAVATION NOTES 1) EXCAVATE ALL MATERIAL ABOVE SOIL HORIZON C (SEE DEEP OBSERVATION HOLE LOG) WHERE POSSIBLE FOR A LATERAL DISTANCE OF 5' IN ALL DIRECTIONS BEYOND THE OUTER PERIMETER OF THE LEACHING AREA. 2) FILL MATERIAL SHALL CONSIST OF CLEAN GRANULAR SAND, FREE FROM ORGANIC MATTER AND OTHER DELETERIOUS SUBSTANCES, WHICH MEETS THE TEXTURAL CRITERIA PUT FORTH IN SECTION 15.255(3) OF TITLE 5. 3) SCARIFY THE BOTTOM SURFACE OF THE EXCAVATION PRIOR TO PLACEMENT OF FILL INTO THE RETAINING STRUCTURE. 4) PLACE FILL ONLY WHEN BOTTOM SURFACE IS DRY. EL=15.0 a 1 RAISE MIN. 20" DIAMETER COVER RAISE- MIN. 20" DIAMETER COVER TO WITHIN 6" OF FINISH GRADE TO WITHIN 6" OF FINISH GRADE 14.4t 14.7± EL=14.5t ,X\/ O 14.0 1 s 13.3t M 1r 12.9 16't ---# GEOTEXTILE FABRIC 12.65 12.57 12.4 - 12.3 3/4" to GAS BAFFLE 6" Crush ��_ (I_20 1 1/2" STOW Stone {Double wash --BOX TWO (2) 500 GALLON PRECAST 10.3 CONCRETE LEACH CHAMBERS WITH 4' OF.0 1,500 GALLON � 6>t `� � g,t ___4 STONE ON ENDS AND 4'. ON SIDES s SEPTIC TANK LEACH CHAMBERS b T r- e" T 1 1 elt 1 r- t Test Hole 1 (EL=14.6t) 1 C J 1 EI ULE L V 100 Depth Elev. Layer Soil Class Soil Color Other 0"-7" 13.3 A Loamy Sand I0YR3/2 7"-22" 12.2 B Loamy Sand 10YR5/6 22"-104" 5.3 C Med Fine 1OYR6/4 Sand -rre-T / 1.-%7 r- s r�-%e- Test Hole 2 (EL=14.Ot) 1 E D I r-1 V L E L V V J Depth Elev. Layer Sail Class Soil Color Other 0"-7" 13.3 A Loamy Sand 10YR3/2 7"-22" 12.2 B Loamy. Sand 1OYR5/6 22"-104" 5.3 C Med Fine IOYR6/4 Sand DATE OF TESTING: 08/10/22 SOIL EVALUATOR: MARK POSELLI WITNESS: JAY GARDINER YARMOUTH HEALTH AGENT PERCOLATION RATE HOLE #1: LESS THAN < 2 MIN/INCH NO GROUNDWATER ENCOUNTERED NO MOTTLING ENCOUNTERED FLOW PROFILE NOT TO SCALE EL=5.3 Bottom Test Hole - SYSTEM_ DESIGN_ CALCULATIONS c SEWAGE DESIGN FLOW: THREE BEDROOM DWELLING 0 110 GPD/SEDROOM = 330 GPD (MINIMUM DESIGN REQUIRED 330 GPD) SEWAGE DESIGN FLOW PROVIDED: TWO (2) 500 GALLON CHAMBERS WITH 4' STONE ON THE ENDS AND 4' STONE ON THE SIDES Vt = [(25.0 x 12,83) + 2(25.0 + 12.83) (2) x .74 = 349 GPD PROVIDED 349 GPD PROVIDED > 330 GPD REQUIRED SEPTIC TANK CAPACITY REQUIRED: 330 GPD X 200 = 660 (MINIMUM) SEPTIC TANK CAPACITY PROVIDED: 1,500 GALLON SEPTIC TANK A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN FLOW Proposed Septic Plan 105 Standish Way West Yarmouth, MA Prepared for: Matthew P. Hurley, TR 18 Heather Road Westford, MA Prepared by: All Cape Septic and Survey 618 Route 28 West Yarmouth, MA 02673 (508) 771-4200 allcopeseptic®gmail.com Date: 9/26/22 Sheet 2 of 2 Project No. AC-490-2