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HomeMy WebLinkAboutMiscellaneous - 125 SAW MILL ROAD 9/26/2017 r • North Andover Health Department Community and Economic Development Division ONSITE WASTEWATER. SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 125 Sawmill Road MAP: 104.13 LOT: 0105 INSTALLER: Todd Bateson — Bateson Ent. DESIGNER: PLAN DATE: BOH APPROVAL DATE ON PLAN: D-Bax Repair Only- 9/2012017 INSPECTIONS TANK INSPECTION: DATE OF BED BOTTOM INSPECTION: DATE OF FINAL CONSTRUCTION INSPECTION: DATE OF FINAL GRADE INSPECTION: SITE CONDITIONS ❑ 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 ❑ 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) ❑ inch cover to within 6" of finish grade installed over one access port ❑ Hydraulic cement around inlet & outlet Comments: 9/20/2017 Added New Outlet Tee/gas baffle. PUMP CHAMBER ❑ Bottom of tank hole has 6" stone base ❑ Weep hole plugged ❑ 1500 gallon Pump Chamber installed ❑ H-10 loading ❑ 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 ❑ cover at final grade installed over pump access port [l Water tightness of tank has been achieved by testing ❑ Hydraulic cement around inlet & outlet Comments: CONTROLPANEL ❑f 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 ❑ Speed levelers provided (not required) ® Schedule 40 PVC Pipe Comments: 9/20/2017 All Set— Brian LaGrasse 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 header (and vented if impervious material above) ❑ Elevations of laterals and chambers installed as on approved plan ❑ Retaining wall (boulder/ concrete /timber/ block) ❑ Final cover as per plan Comments: 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 ❑ 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 Septic Tank IN Septic Tank OUT Pump Chamber IN Pump Chamber OUT Distribution Box IN Distribution Box OUT Lateral 1 TOP Lateral 1 INVERT Lateral 2 TOP ------------ --- ------------- --------------------------- ------ --------- --------------- .................... Lateral 2 INVERT Lateral 3 TOP Lateral 3 INVERT Lateral 4 TOP Lateral 4 INVERT 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 -_ ® Inground pool 10 20 -- ® Slab foundation 10 10 -- ® Deck, on footings, etc 5 10 -- ® Waterline 10 1.0 101 Z Private drinking well 75 1002 50 Z Irrigation well 75 100 Z Surface Water 25 50 Z Bordering Vegetated Wetland , Salt Marsh, Inland/Coastal Banka 75 .100 ® Wetlands bordering surface water supply or trio, (in Watershed) 150 150 ® drib. 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 ' SL$Ction line 222(2) 2 100 feet is a minirnum 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 15.21:1(3),also by NA. wetland bylaws