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Home My WebLink AboutEngineered Plan - 2017TOP OF FOUNDATION EL= 102.7± i� a 122.7/ 99.23 EX15TING O (BOTH) 34' (max) -# 24" diameter concrete covers raised to within G" of finish grade (or as noted) �t Proposed - Gas Baffle PROPOSED 1500 GALLON (H-20 RATED) SEPTIC TANK CONSTRUCTION NOTES EL= 101.G EL= 101 .G 3G"MIN 99.8± 99'G± E 4" PVC VENT 98'98 98'92 98.75 98.60 N m 2" LAYER OF 1/8" - 1/2" STONE N . 3/4" - 1 -1 /2" STONE 9G.GO Longest Run S 4 5.1' 12' THREE (3) 5HOREY RECAST 500 GALLON LEACH CHAMBERS WITH 4' OF STONE ALL EL=9 I .G ± Bottom of Test Hole DB -G A6UND (H-20 RATED) (H-2 RATED) D -BOX LEACH CjHAMBER5 FLOW PROFILE NOT TO 5CALE 1.) ALL WORK SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE, TITLE 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. 3.) TO MINIMIZE UNEVEN SETTLING, SEPTIC TANKS 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 THE SOIL ABSORPTION SYSTEM SHALL BE RAISED TO WITHIN G" 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 A CAP, TIED WITH MAGNETIC MARKING TAPE, ACCESSIBLE TO WITHIN 3" OF FINAL GRADE. 5.) PIPING FROM THE BUILDING SEWER LINES 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 I % OTHERWISE. G.) 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. 7.) GROUT TO BE USED AT ALL POINTS WHERE PIPES ENTER OR LEAVE ALL CONCRETE STRUCTURES IN ORDER TO PROVIDE A WATERTIGHT SEAL. 8.) HEAVY EQUIPMENT SHALL NOT BE ALLOWED TO OPERATE OVER THE LIMITS OF THE SEWAGE DISPOSAL FIELD DURING THE COURSE OF CONSTRUCTION OF THE SYSTEM. 9.) IN ACCORDANCE WITH 3 10 CMR 15.22 1 , ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC MARKING TAPE. 10.) THERE ARE NO PRIVATE POTABLE WELLS WITHIN 200' OF THE PROPOSED SOIL ABSORPTION SYSTEM. 1 1.) 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. 12.) 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 DESIGNER. 13.) 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. 14.) LOCATION OF UTILITIES IS APPROXIMATE AND CONTRACTOR SHALL BE RESPONSIBLE FOR DETERMINING r 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. 15.) CONTRACTOR SHALL VERIFY THAT ALL WASTELINES ARE CONNECTED BY WATER TESTING WITHIN THE DWELLING PRIOR TO INSTALLATION OF ANY SEPTIC COMPONENTS. DESIGNER UNABLE TO INSPECT INSIDE OF HOUSE TO VERIFY FLOOR PLANS AND WASTELINES. I G.) CONTRACTOR SHALL VERIFY EXISTING INVERT ELEVATIONS PRIOR TO INSTALLATION OF ANY SEPTIC SYSTEM COMPONENTS. 17.) INSTRUMENT SURVEY CONDUCTED FOR PROPOSED WORK ONLY. SITE PLAN SHALL NOT BE USED FOR STAKING, OK ANY OTHER PURPOSES. 15.) THIS PLAN DOES NOT CERTIFY, GUARANTEE OR WARRANTY COMPLIANCE WITH DEEDED OK ZONING BYLAWS, SPECIFICALLY, BUT NOT LIMITED TO, SIDELINE SETBACKS AND BUILDING HEIGHT RESTRICTIONS. OWNER IS RESPONSIBLE FOR OBTAINING SUCH A DETERMINATION FROM THE APPROPRIATE AUTHORITY. 19.) 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. 20.) EXISTING CESSPOOLS TO BE LOCATED, PUMPED DRY, AND FILLED WITH CLEAN SAND OR REMOVED (INCLUDING STONE t, IMPACTED SOILS), AND BACKFILLED WITH CLEAN BANK SAND. AREA TO BE COMPACTED TO MINIMIZE SETTLING. INSPECTION NOTE: PRIOR TO FINAL INSPECTION BY THE ENGINEER, SYSTEM NEEDS TO BE COMPLETE INCLUDING BUILDUP FOR COVERS. 1 FLOOR PLAN '. NOT TO SCALE 1 I i BEDROOM I I LIVING KITCHEN I ROOM BATH BEDROOM DEN I 2 1 iI i f i i TE5T HOLE LOGS Test Pith# I (EL= I O I .G-±) Chambers Depth ;I Layer Soil Class Soil Color Comments 0" - 1 O"I E Loamy Sand I OYR 3/ I Topsoil 10"- 2 B I Loamy Sand I OYR 4/G Subsoil 20" -1 2t)" 132 Sand (EL 99.9 to 9 I .G) I OYR 7/G Clean Medium Sand EDGE OF CLEARING i FENCE Pero @ 32" <9" @ 8:00 min TEST HOLE LOCATION ST SEPTIC TANK DB NO WATER ENCOUNTERED DATE OF;TESTI NG: 00/21/17 SOIL EVALUATOR: DAVID BENNETT, BENNETT ENVIRONMENTAL ASSOCIATES, INC. BOARD §f HEALTH AGENT: PHIL RENARD, YARMOUTH HEALTH DEPARTMENT PERCOLITION RATE: LESS THAN 9 MIN/INCH IN "52" LAYER NO GROUNDWATER ENCOUNTERED I ' I i I I, SYSTEM DE51GN CALCULATIONS I, SEWAGE DESIGN FLOW REQUIRED: 4 BEDROOM DWELLING @ 110 GPD/ BEDROOM = 440 GPD REQUIRED 5EWAGEIDE51GN FLOW PROVIDED: THREE (3) 500 GALLON LEACH CHAMBERS WITH 4' OF STONE ALL AROUND Vt = [(33.5 x 12.83) + 2(33.5 + 12.83) x 21 x 0.74 = 455.2 GPD PROVIDED 455 GPD PROVIDED > 440 GPD REQUIRED SEPTIC TANK CAPACITY REQUIRED: 440 GPD X 200% = 880 GPD REQUIRED SEPTIC TANK CAPACITY PROVIDED:1 500 GALLON PROVIDED (MIN. ALLOWED) A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN FLOW i 33.5' 4' 8.5'ol(5.5' 8.5' 4' r' D -Box m m � N PLAN VIEW SCALE: I " = 10' M �NOFMA 9 JOHN Z. DEMAREST, JR. No. 36859_ 1.) Assessor's Map GO Parcel 29 2.) Deed Book 335 1 Page 252 3.) Plan Book 9 1 Page 15 1 4.) This property is not in a Zone II of a Public Water Supply 5.) Flood Zone: C LEGEND x Chambers +3.2 m m � N PLAN VIEW SCALE: I " = 10' M �NOFMA 9 JOHN Z. DEMAREST, JR. No. 36859_ 1.) Assessor's Map GO Parcel 29 2.) Deed Book 335 1 Page 252 3.) Plan Book 9 1 Page 15 1 4.) This property is not in a Zone II of a Public Water Supply 5.) Flood Zone: C LEGEND x EXISTING SPOT GRADE +3.2 EXISTING SOUNDINGS 24x5 PROPOSED SPOT GRADE << EXISTING CONTOUR 24- PROPOSED CONTOUR W WATER SERVICE LINE o OVERHEAD UTILITY LINES u UNDERGROUND UTILITY LINES E ELECTRIC SERVICE LINE - -- TOP OF BANK -o--a--o- LIMIT OF WORK EDGE OF CLEARING i FENCE -�- TEST HOLE LOCATION ST SEPTIC TANK DB DISTRIBUTION BOX 5A5 SOIL ABSORPTION SYSTEM Reserve RESERVED FOR FUTURE USE CC12 UTILITY POLE ® CATCH BASIN FIRE HYDRANT ® DRINKING WATER WELL p CONCRETIf BOUND II MAP GO I\i u R CE'IVE MAP 59 PCL. 28 ��f1�,�7 PCL. 143 /� j U/ ' • HEALTH DEF Survey By: { O i 0e %� DEMAREST LAND SURVEYING 338 MAYFAIR ROAD 'I',� LQ1 CAA&+ -rt eL SOUTH DENNIS, MA 02660 'v 508-364-9049 N (s i CW� �a I i 0 20 40 GO SCALE 1 "=20'