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Home My WebLink AboutConstruction Notes - Consultant Review - 734 Boxford Street 2/17/2022 • 5�.'[I.F:p �� . �� ,,may^`, North Andover Health Department Community and Economic Development Division ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 734 Boxford Street MAP: 105.A LOT: 24 INSTALLER: Robert Innis — 978-663-6006 permit # 59892 vp, William "Tom" Sawyer— 603-895-0111 DESIGNER: John Morin — 978-777-8586, Ben Osgood 978-777-8586 PLAN DATE: final revision date — 03.31.2021 BOH APPROVAL DATE ON PLAN: 04.14.2021 INSPECTIONS TANK INSPECTION: DATE OF BED BOTTOM INSPECTION: DATE OF FINAL CONSTRUCTION INSPECTION: 11-23-21 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) ❑ inch cover to within 6" of finish grade installed over one access port ® Boot on inlet Hydraulic cement on outlet Comments: 10.18.2021 S. Casey— 6" + stone. 11-23-21 — Two compartment tank provided. Manhole to within 6" of finished grade required D. Ottenheimer 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: 11-23-21 — Riser to within 6" of finished grade required D. Ottenheimer 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 ® Elevations of laterals and chambers installed as on approved plan ❑ Retaining wall (boulder/ concrete /timber/ block) ❑ Final cover as per plan Comments: FINAL GRADE ❑ Loamed ❑ Seeded ❑ Cover per plan Comments: DOCUMENTS NEEDED L� Certification of Installation Form submitted By engineer and signed and dated by Engineer and installer 2'-ZAs-Built Plan BM = 120.16 HR = 6.33 H I = 126.49 SYSTEM ELEVATIONS ROD AS-BLT INVERT DESIGN INVERT ELEVATION ELEV ELEV Building Sewer OUT 3.96 122.20 122.20 Septic Tank IN 4.19 121.97 121.90 Septic Tank OUT 4.42 121.74 121.75 Distribution Box IN 4.45 121.71 121.71 Distribution Box OUT 4.59 121.57 121.54 Lateral 1 BEG 4.83 121.33 121.28 Lateral 2 BEG 4.82 121.34 121.28 11-23-21 — Confirmed beginning and end of Enviro-Septic leach field was level D. Ottenheimer SKETCH PLAN TLRD t6g6. . ,�5 North Andover Health Department Community and Economic Development Division ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 734 Boxford Street MAP: 105.A LOT: 24 ,c,[ INSTALLER: Robert Innis — 978-663-6006 permit # 59892 vp CO3/4'a-/Y) DESIGNER: John Morin — 978-777-8586 Sa Wycr PLAN DATE: final revision date — 03.31.2021 603 BOH APPROVAL DATE ON PLAN- 04.14.2021 �95-6//I INSPECTIONS TANK INSPECTION: DATE OF BED BOTTOM INSPECTION: 1'(15 ""(4 -SG DATE OF FINAL CONSTRUCTION INSPECTION: bill Ir�Z3�Z1 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: PUMP CHAMBER ❑ Bottom of tank hole has 6" stone base ❑ Weep hole plugged ❑ 1500 gallon Pump Chamber installed ❑ H-10loading ❑ 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 ❑ Water tightness of tank has been achieved by testing ❑ Hydraulic cement 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 ❑ Speed levelers provided (not required) ❑ Schedule 40 PVC Pipe Comments: SOIL ABSORPTION SYSTEI)A`(General) Bottom of SAS excavated down to C soil layer, as provided on plan • XL ^ n Size of SAS excavated as per plan • N��,�.5 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 . PASS above) I4sS ❑ 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 = n �,,�>� �� ►us a Is6 rtitrs,� FINAL GRADE �g'r2l d Loamed ll C [ Seeded Cover per plan Lxxwztd � J 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 Top 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 10 101 ® Private drinking well 75 1002 50 ® Irrigation well 75 100 ® Surface Water 25 50 ® Bordering Vegetated Wetland , Salt Marsh, Inland/Coastal Bank3 75 100 ® Wetlands bordering surface water supply or trib. (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) ® Drywells 20 25 1 Suction line 222(2) 2 100 feet is a minimum acceptable distance and no variance is allowed for a lesser distance(NA 5.02). 3 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