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Home My WebLink AboutMiscellaneous - 42 FOSTER STREET 10/30/2017 i 4 PI/ North Andover Health Department Community and Economic Development Division ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 42 Foster Street MAP: 104.D LOT: 0051 INSTALLER: Bateson Ent. DESIGNER: Christiansen & Sergi, Inc. PLAN DATE: May 19, 2017 final Revision 7/21/2017, Received on 7/28/2017 BOH APPROVAL DATE ON PLAN: August 8, 2017 INSPECTIONS TANK INSPECTION: 10/03/2017 DATE OF BED BOTTOM INSPECTION: 10/11/2017 DATE OF FINAL CONSTRUCTION INSPECTION: 10/19/2017 DATE OF FINAL GRADE INSPECTION:10/25/2017 SITE CONDITIONS N/A Contractor reports any changes to design plan ® Existing septic tank properly abandoned ® Internal plumbing all to one building sewer ® Topography not appreciably altered Comments: SEPTIC TANK ® Building sewer in continuous grade, on compacted firm base N/A Cleanouts per plan ® Bottom of tank hole has 6" stone base ® Weep hole plugged ® 1500 gallon tank has been installed H-10 loading ® Monolithic tank construction ® Water tightness of tank has been achieved by visual testing ® Inlet tee installed, centered under access port ® Outlet tee installed, centered under access port (gas baffle/effluent filter) ® 20" inch cover to within 6" of finish grade installed over one access port ❑ Neoprene boots around inlet & outlet Comments: PUMP CHAMBER ® Bottom of tank hole has 6" stone base ® Weep hole plugged Z 1500 gallon Pump Chamber installed M H-10 loading Z Monolithic tank construction ® Inlet tee installed, centered under access port ® Pump(s) installed on stable base ® Alarm float working ® Pump On/Off floats working ® Separate on/off floats ® Drain hole in pressure line ® 24" cover at final grade installed over pump access port Z Water tightness of tank has been achieved by Visual testing ® Neoprene boots around inlet & outlet Comments: CONTROL PANEL ® Alarm & Pump are on separate circuits ® Alarm sounds when float is tripped ® Location of control panel: basement ® Alarm signal located inside: basement Comments: DISTRIBUTION-BOX ® Installed on stable stone base ® H-20 D-Box ® Inlet tee (if pumped or >0,08'/foot) ® Hydraulic cement around inlet & outlets ® Observed even distribution N/A Speed levelers provided (not required) ® Schedule 40 PVC Pipe Comments: Installer will cuff a V notch in the D-box baffle wall to prevent siphoning of the water back to the pump chamber. I I SOIL ABSORPTION SYSTEM (General) ® Bottom of SAS excavated down to C soil layer, as provided on plan ® Size of SAS excavated as per plan ® Title 5 sand installed, if specified on plan ® 40 Mil HDPE barrier installed ® Laterals installed and ends connected to 1 header (and vented if impervious material above) ® Elevations of laterals and chambers installed as on approved plan N/A Retaining wall (boulder/ concrete /timber/ block) ❑ Final cover as per plan Comments: 19.50 x 50 remove rocks SOIL ABSORPTION SYSTEM (Gravel-less Chambers) ❑ Brand and Model of Chamber: Standard Quick 4 Infiltrator Chambers ❑ Number of chambers per row: ❑ Number of rows (trenches): Comments: Total Chambers FINAL GRADE ❑ Loamed Z Seeded ® Cover per plan Comments: DOCUMENTS NEEDED ® Certification of Installation Form submitted By engineer and signed and dated by Engineer and installer As-Built Plan BM HR = HI SYSTEM ELEVATIONS ROD AS-BLT INVERT DESIGN INVERT ELEVATION ELEV ELEV Benchmark Building Sewer OUT —.--- 95.35 -------------- Septic Tank IN 10.32 94.95 94.99 ---------- Septic Tank OUT 10.56 94.71 94.74 Pump Chamber IN 10.66 94.61 94.59 2" Pump Chamber OUT 94.36 94.34 2" Distribution Box IN 5.16 100.29 100.05 Distribution Box OUT 5.37 ----------- 99.90 99.88 Lateral 1 TOP 5.57 Lateral 1 INVERT , 99.90 99.88 - Lateral 2 TOP 5.88 Lateral 2 INVERT 99.39 99.38 Lateral 3 TOP 6.15 Lateral 3 INVERT 99.12 Lateral 4 TOP 6.46 Lateral 4 INVERT 98.81 98.78 Lateral 5 TOP Lateral 5 INVERT Lateral 6 TOP Lateral 6 INVERT To of Chamber Bottom of Bed/Chamber, SKETCH PLAN CRITICAL SETBACK DISTANCES Mark those distances checked in the field against the design plan and regulatory setback Tank SAS Sewer ® Property line 10 10 -- ® Cellar wall 10 20 -- 1 ® Inground pool 10 20 -- M Slab foundation 10 10 -- ® Deck, on Footings, etc 5 (Variances Granted) 10 (Variances Granted) ® Waterline 10 10 10' ® Private drinking well 75 1002 50 ® Irrigation well 75 100 ® Surface Water 25 50 ® Bordering Vegetated Wetland , Salt Marsh, Inland/Coastal Banka 75 (Variances Granted) 100(Variance Granted) Z Wetlands bordering surface water supply or trio. (in Watershed) 150 150 ® Trib. to surface water supply 325 325 ® Public well 400 400 ® Interim Wellhead 'Prot. Area ® Reservoirs 400 400 ® Drains (wat. supply/trib.) 50 100 ® Drains (intercept g.w.) 25 50 ® Drains(Other) Foundation 10(5) 20(10) Z Drywells 20 25 i ' Section line 222(2) 2 1.00 feet is a minimum acceptable distance and no variance is allowed for a lesser distance (NA 5.02). s As defined in 310 CMR 10.55, 10.32, 10.54,and 10.30,respectively,pursuant to 15.211(3), also by NA wetland bylaws