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Home My WebLink About- Consultant Review - 911 JOHNSON STREET 8/8/2024 En North Andover Health Department (ommunity and Economic Development Division ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 911 Johnson Street MAP: 107.A LOT: 0093 INSTALLER: John Butt — 978-815-5754, johnbutt4@verizon.net DESIGNER: Vladimir Nemchenok / Bill Dufresne - (978) 502-6206 PLAN DATE: 04.24.2024 BOH APPROVAL DATE ON PLAN: 06.10.2024 INSPECTIONS TANK INSPECTION: 7 /1. Z02-4f DATE OF BED BOTTOM INSPECTION: '202-`9 DATE OF FINAL CONSTRUCTION INSPECTION: 7/22/24 DATE OF FINAL GRADE INSPECTION: S-, SITE CONDITIONS N/A Contractor reports any changes to design plan ® Existing septic tank properly abandoned, if present ® 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 ® Tank size and loading per plan ® Monolithic tank construction ® If monolithic, water tightness of tank has been achieved by visual testing N/A If 2-piece, water tightness of tank has been achieved by water/ vacuum test (circle one) ® Inlet tee installed, centered under access port ® Outlet tee installed, centered under access port ® Gas baffle installed N/A If effluent filter, riser to finished grade over filter ® Riser to finish grade installed over outlet access port ® Manhole and riser minimum 24 inch diameter ® Pipe penetrations appear watertight using rubber boots Comments: DISTRIBUTION-BOX ® Installed on stable stone base ® H-20 D-Box N/A Inlet tee (if pumped or >0.08'/foot) ® Hydraulic cement around inlet & outlets ® Even distribution observed ® Schedule 40 PVC Pipe Comments: SOIL ABSORPTION SYSTEM (General) ❑ Bottom of SAS excavated down to specified soil layer, as provided on plan ® Size of SAS excavated as per plan ® Sand installed, if specified on plan ® Sand displays few fines when handled ® 40 Mil HDPE barrier installed, if specified on design plan ® Laterals installed and ends capped N/A Retaining wall material, location and height if specified on plan Comments: SOIL ABSORPTION SYSTEM (Conventional Stone & Pipe) ® (4) laterals per design plan ® Elevations of laterals installed as on approved plan Comments: FINAL GRADE ❑ Final cover as per plan Loamed wSeeded Cover per plan Comments.- DOCUMENTS NEEDED Certification of Installation Form submitted by designer and signed and dated by designer and installer As-Built Plan by designer BM = 100.00 HR = 1.05 HI = 101.05 SYSTEM ELEVATIONS ROD AS-BLT INVERT DESIGN INVERT ELEVATION ELEV ELEV Benchmark 1.05 *Building Sewer OUT 4.10 96.60 95.5 Septic Tank IN 4.33 96.37 96.25 Septic Tank OUT 4.59 96.11 96.00 Distribution Box IN 5.25 95.45 95.40 Distribution Box OUT 5.43 95.27 95.23 Lateral 1 BEGINNING 5.51 95.19 95.15 Lateral 1 END 5.70 95.00 95.00 Lateral 2 BEGINNING 5.51 95.19 95.15 Lateral 2 END 5.69 95.01 95.00 Lateral 3 BEGINNING 5.54 95.16 95.15 Lateral 3 END 5.72 94.88 95.00 Lateral 4 BEGINNING 5.54 95.16 95.15 Lateral 4 END 5.69 95.01 95.00 Top of SAS 5.01 95.69 95.65 Bottom of Bed 6.60 94.45 94.50 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 10, ❑ 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 ' 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 iEn • North Andover Health Department (ommunity and Economic Development Division ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 911 Johnson Street MAP: 107.A LOT: 0093 INSTALLER: John Butt — 978-815-5754, johnbutt4@verizon.net DESIGNER: Vladimir Nemchenok / Bill Dufresne - (978) 502-6206 PLAN DATE: 04.24.2024 BOH APPROVAL DATE ON PLAN: 06.10.2024 INSPECTIONS TANK INSPECTION: 'I aI1LA 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, if present ❑ 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 Y Bottom of tank hole has 6" stone base ❑ Tank size and loading per plan ❑ Monolithic tank construction / 2-piece (circle one) ❑ If monolithic, water tightness of tank has been achieved by visual testing ❑ If 2-piece, water tightness of tank has been achieved by water/ vacuum test (circle one) ❑ Inlet tee installed, centered under access port ❑ Outlet tee installed, centered under access port ❑ Gas baffle / effluent filter installed (circle one) ❑ If effluent filter, riser to finished grade over filter ❑ Riser with cover to within 6" of finish grade installed over one access port ❑ Manhole and riser minimum inch diameter ❑ Pipe penetrations appear watertight using rubber boots / hydraulic cement (circle one) Comments: PUMP CHAMBER (Delete if not present) ❑ Bottom of tank hole has 6" stone base ❑ Weep hole plugged ❑ 1000 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 ❑ Drain hole in pressure line ❑ _" cover at final grade installed over pump access port ❑ Watertightness of tank has been achieved by Visual or watertightness testing ❑ Neoprene boots around inlet & outlet Comments: CONTROL PANEL (Delete if not present) ❑ Alarm & Pump are on separate circuits ❑ Visual & audible alarm works as intended ❑ Location of control panel: 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 ❑ Even distribution observed ❑ Schedule 40 PVC Pipe Comments: SOIL ABSORPTION SYSTEM ,(General) [�' Bottom of SAS excavated down to specified soil layer, as provided on plan Size of SAS excavated as per plan ❑ Sand installed, if specified on plan ❑ Sand displays few fines when handled ❑ 40 Mil HDPE barrier installed, if specified on design plan ❑ Laterals installed and ends capped or connected to header (and vented if impervious material above) ❑ Retaining wall material, location and height if specified on plan Comments: SOIL ABSORPTION SYSmapprovedpla s Chambers) d Model of Chamber: f chambers per row and number of plan: , f laterals and chambers installed as on pla Comments: SOIL ABSORPTION SYSTEM (Other) FINAL GRADE [ Final cover as per plan Loamed ❑•�/ Seeded Cover per plan Comments: DOCUMENTS NEEDED ❑ Certification of Installation Form submitted by designer and signed and dated by designer and installer ❑ As-Built Plan by designer 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 BEGINNING Lateral 1 END Lateral 2 BEGINNING Lateral 2 END Lateral 3 BEGINNING Lateral 3 END Lateral 4 BEGINNING Lateral 4 END Lateral 5 BEGINNING Lateral 5 END Lateral 6 BEGINNING Lateral 6 END 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 10' ❑ 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