HomeMy WebLinkAboutApplication - 178 STONECLEAVE ROAD 5/23/2003 SEPTIC'I'I LAN SUBMITT
LOCATION;
ES $ /Plan e"4 6 c °u
NEW PLANS C�
REVISED PLANS: YES $ 60.00/Plan
SITE EVALUATION FORMS INCLUDED: S,) NO
DATE: .° , v 1?
DESIGN ENGINEER: kj IIj war
DATE TO CONSULTANT:
When the saabmissiori is all in place, route to the Health Secretary.
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Town of North Andover, Massachusetts Form H®.2
of wooTw� BOARD OF HEALTH
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DESIGN APPROVAL FOR
SAC USO SOIL ABSORPTION SEWAGE DISPOSAL SYSTEM
Applicant r�u/L— Test No.
: Site Location
Reference Plans and Specs.
NGINEER DESIGN DATE
Permission is granted for an individual soil absorption sewage disposal system to be installed
in accordance with regulations of Board of Health.
CHAIRMAN, BOARD OF HEALTH
Fee Slt
S, /
e System Permit No.
CHECKLIST FOR NORTH ANDOVER
SEPTIC SYSTEM PLANS
Job
The following is a checklist that incorporates all Title 5 and local regulations for septic plans.
Name of Applicant: Name of Designer: ✓a�G� d 1' �v �f'.
rr /
Plan Date: / Revision Date: Date of Review: C�
cfiilt�•
Property Ad es . �� , �� C�� �.!�/�2.�-�- Map: 169 & Lot: �
BOH Reviewer Type of.Plan ne or upgrade): (�
Number of Bedrooms in Assessor's Records: gpd)Garbage Disposal Allowed:- L '
General Information: N.A.=North Andover Septic Regulations Other numbers refer to Title 5
OK Problem N/A
Street number and map/lot-220(4)(u)
Maximum scale of 1 "=40'for plot plan-220(4)
Maximum scale of 1 "=20'for profile and component details-220(4)
Legal boundaries of the facility being served-220(4)(a)
n Names of abutters from recent tax map- NA 8.02j
-- Number of bedrooms,design calcs., NA 8.02i
T t/ Name&address of record owner&applicant- NA 8.02k
Name&address of designer-NA 8.021
` Holder and location of all easements-220(4)(b)
Date plan drawn&any revision date- NA 8.02m
✓/ All dwellings and buildings, existing and proposed-220(4)(c)
�-
Location of all existing or proposed impervious areas-220(4)(d)
_ All distances on site plan-NA 8.03 a-c
Elevation of proposed driveway-NA 8.02t
Location and elevation of foundation drain-NA 8.02y
Location and dimensions of the system incl.reserve(new const.)-220(4)(e)
?9` Limits of excavation of leach area on site plan-NA 8.02z
r. Locus plan-220(4)(t) (Not to.scale)
North arrow-220(4)(g)
Existing and proposed contours-220(4)(g)
t� Locations and logs of deep holes-220(4)(h)
Locations and logs of percolation tests-220(4)(i)
j Date(s)of soil testing-220(4)(h)&(i)
Existing grade.elevation of each deep hole-220(4)(h)
Elevation ofpercolation tests-N.A. 8.02n
Name of approving authority representative-220(4)(h)&(i)
Name of soil evaluator-220(4)0)
✓ Soil logs and pere test logs match BOH records
Locations of waterlines,drains, and subsurface utilities-220(4)(m)
i . Observed and adjusted g.w. elevation in the vicinity of the system-220(4)(n)
Complete profile of the system to scale-220(4)(o),NA 8.02c
V .. Cross section of leaching facility-NA 8.02w (Not to scale)
7 Location of benchmark(s)within 50-75 feet of facility-220(4)(q)
V11 Note listing all variance requests with proper citations-220(4)(p)
LZ Local upgrade approval request form submitted-403(1)
9
b
2
Original R.S./P.E. stamp,signature&date-220(1)&(2)
P.E., discipline specified within stamp. MGL C. 112 s. 81M
sfc. supplies(w/in 400'),pub. wells(w/in 250'),pvt. wells(w/in 150'-)-220(4)(
Location of watercourses,wetlands,wells, etc.w/in.150'of system-NA 8.02r
Wetland disclaimer-NA 8.02s
u--' RLS plan reference&certification required(prop line setbacks)-220(3)
Plan contains designer's certification statement
Use approvals/standards checked for I/A system-DEP docs.,
t7` Perc rate>30 MPI-not allowed for new,LUA for upgrade-245(1)&(13)
Perc rate> 60 MPI-must use modified tight tank or I/A technology-245(4)
Proposed system qualifies as"shared"system-002(definitions)
i Flow is over 2,000 gpd-No K S. allowed-220(1)
�- Design flow was set in accordance with code-203
Existing system-location and note on proper abandonment-354
Leaching facility:at least 1' above Base.Flood elevation-NA 9.05
All piping Sch 40 minimum-NA 10.01
Basement floor minimum 1'above groundwater elevation-NA 5.04
Foundation drain present with elevation.-NA 8.02y
On-site Soil and Groundwater Review
OK Problem N/A
t. Proper deep observation hole logs on plan-220(4)(h)
All deep holes and peres shown;.including aborted tests-NA 8.02n
✓; Soil evaluation forms submitted within 60 days of field work-018(2)
�- Proper percolation test log-220(4)(i)
�- Ample deep observation holes in primary disposal area(minimum 2)- 102(2)
Ample deep observation holes in secondary disposal area(minimum 2)- 102(2)
r r/ Ample perc testing(one in each disposal area,3 in prim.>2,000 gpd)- 104(4)
Deep hole testing conducted within two years-NA 7.05
Hole Identification Numbers:
Z
ground elevation el.
acceptable soil el. )13.7 �Z,-Z 7 . -
Leach facility invert el.
ground water el.
refusal.el:- 17
bottom of leach facility el. `s 7, "
thickness of acceptable soil 11
before&after soil R&R
separation to groundwater (� ��,
separation to refusal ./
soil class
2
3
pere rate
loading rate
septic tank below g.w.table ,� (yes or no)
pump tank below g.w. table (yes or no)
11 in fill -255(l)
Setback Distances(Given in feet) 15.21 1
YES NO Is the lot in the Lake Cochiewick Watershed? NA 6.00&5.02
OK Problem N/A
Septic Tank Leach Facility
�. Property line 10 10
Cellar wall 10 20
Inground pool 10 20
Slab foundation 10 10
a/ Deck, on footings,etc. 5 10
Waterline 10 10
Private drinking well 75 100
Irrigation well 75 100
Wetlands 75 100
Public well 400 400
Wetlands bordering surface 150 150
water Supply or trib.
(in,Watershed)
Trib.To:Surface Water supply. .325 325
(/ Reservoirs 400 400
Tributaries to reservoirs 200 200
i/ Drains(wat.supply/trb.). 50 100' _
Drains,(intercept g.w.) 25 50
Foundation drains 10 20
Drains(Other) 5 10
r/ Drywells 20 25
�1 Downhill slope 15'to 3:1 slope
3
jO 4
w/o barrier
Building Sewer
OK Problem
Grease trap required for certain uses(check 230 for details)
Pipe diameter listed(4"minimum)-222(1)
Pipe schedule listed-222(3)— Pipe cast iron or Sch 40 PVC—NA 11.02
Watertight joints specified-222(3)&(4)
P./ Pipe laid on compact,fin base-222(5)
Pipe laid on continuous grade in straight line-222(7)@
E� Cleanouts precede all changes in alignment and grade-222(8)
v� Cleanout provided every 100 feet-222(8)
Manhole at any 90 degree alignment change-222(8)
Invert elevation at building: Z.2`7, 7
Invert elevation at septic tank: .1
Length of run: c-:5' s
Slope: ZJ P Q minimum of 0.01 -0.02 desired)-222(6)
10'offset to private well or suction line-222(2)
Septic Tank
OK/ Problem N/A
Tank is accessible-228(3)
No structures above tank—(228(3)
Tank can accommodate both primary&reserve—NA 9.04
✓� 200%of flow(required&provided given, 1500 min.)-220(4)(f)&223)(1)(a)
/ 2-3"drop from inlet to outlet-227(5)
Minimum of 4'liquid depth-223(2)
3"air space above tees/baffles(minimum)-227(4)
9"air space above flow line(minimum)-227(4)
Tees are not to be replaced by baffles-227(1)
Tees extend 6"above flow line-227(1)
Inlet tee extends 10"below flow line(minimum);=227(6)
Outlet tee extends 14"below flow.line(more foi:c16eper tanks)-227(6)
t/s Gas baffle instal-led on outlet.-227(4)
Access manhole'cover above center of tank&`each tee"(except 2 compart)
228(2)
3-20"manholes=228(2)
1 childproof,24"riser/manhole w/in 6"of final grade if<1000gpd-228(2)
Inlet and outlet fees on center line_227(1)
Soil compaction,below tank.specified(ifsoil is non-native)-221(2).
6"of<=3/4"stone'beneath tank'specified 221`(2)&22 8(1)
If? 1,000 gpd AND-not a single fam.dwell.must be 2 tks or 2 comp.-223(1)(b)
If plan specifies`disposal must be 2'tan ks in series br 2 compart.tank-223(1)(c)
Buoyancy cales.required if tank at or below water table-221(8)
Tank is watertight-221 (1)
7 9"of cover over tank(minimum)-228(1)
H 10 loading(min.)-H-20 if traffic-226(3)
Top of tank<=36"below grade-221(7)
All pumping to tank(if applies)in accordance with-229
Tank is set to keep old system in service during install if possible
4
5
Tight Tank(Check here if not present:
OK Problem N/A
500%of design flow or 2000 gallons provided—260(2)(a)
3-20"manholes—228(2)
Soil compaction below tank specified(if soil non-native)—221(2)
6"of<=3/4"stone beneath tank specified—221(2)&228(1)
Buoyancy calcs.Required if tank at or below water table—221(8)
Tank is watertight-221(1)
9"of cover over tank specified(minimum)—228(1)
H 10 loading(min.)-H-20 if traffic—226(3)
Top of tank<=36"below grade-221(7)
All pumping to tank(if applies)in accordance with—229
A/V alarm set at 3/5 tank capacity—260(2)(c)
Min. -24"frame w/cover at finished grade—228(2)(f)
Year round access for pumping—228(2)(g)
Distribution Box(Check here if not present:
OK Problem N/A �
l� Inlet elevation: G
4//,, Outlet elevation: 6 'jam
t/'/ 0.17' drop from inlet to outlet(minimum)-232(3)(b)
rt, 6"sump(minimum)-232(3)(e)
All outlets at same elevation-232(3)(b)
Outlei,pipes laid level for first 2 ft. -232(3)(c)
�j Pipe Sch 40-NA 10.01
Numb er of outlets: s Number of laterals:
Size of outlets: z1 `°
Inlet baffle/tee mm. 1"over outlet invert for all d-boxes-232(3)(a),
Soil compaction below distribution box specified(if soil is non-native)-221(2)
6"of stone beneath distribution box specified-221(2)
i� Box is watertight-221 (1)
Top of box<=36"below grade-221(7)
Buoyancy calculations required if box is at or below water table-221(8)
Pump Chan.ber(Check here if not present: )
OK Problem N/A
Volume specified: !�/�� 220(4)(r)
Pump on elevation- 220(4)(r)
Pump off elevation: �v .„ 220(4)(r)
r/ Alarm on elevation: ; ' > 220(4)(r)
Number of cycles per day-220(4)(r)(also 2540)(d)if gravity from d-box)
Minimum 2" delivery line to d-box if gravity-254(1)(c)
1 Pressure dosed 11 if flow>=2,000 gpd-254(1)(a)&254(2)(a)
Cycles per day is consistent with chamber volume-23 1
Volume calculations include flowbaek volume-2') 1(2)
5
6
t 24 hour storage capacit above pump on elevation-231(2)
Number of pumps:_ 2 if system serves>2 dwelling units-231(6)
Capacity of pump(s)- gpm @ 'TDH-220(4)(r)
Pump can pass 1 1/4 "solids(minimum)-231(7)
t Pump controls specified-220(4)(r)
Alarm equipment specified-231(2)
Alarm is in building and powered on separate circuit from pump-2') 1(9)
�- Pump sequence correct(off-lead on-lag on-alan-n on) 231(8)
Pump performance curves included-220(4)(r)
Manual operating switch-NA 12.01
Check valve,bleeder hole-NA 12.01
1 childproof, 24"riser/manhole to final grade-2'31(5),
Soil compaction beneath pump chamber specified (if soil is non-native)-221(2)
6"of<=3/4"stone beneath chmbr. specified-221(2)&228(l),
Buoyancy calculations if chamber is at or below water table-221(8)@
9" of cover over chamber(minimum)-228(1)
H- 10 loading(min.)-H-20 if traffic-226(')),
Chamber is watertight-221 (1)
Top of chamber<=36" below grade-221(7)
Leaching Facility(general-complete for all designs)
OK Problem N/A
y 50%larger if garbage disposal-240(4)
a ✓ Trenches to be used whenever possible-240(6)
No vehicle or imperv.area above 11 unless unavoidable-240(7);NA 13.02'
Vented if under impervious cover-241 (1)
Vented through same pipes as distribution system-241 (1)(a)
Vent protected from precipitation/animal entry-241 (1)(b)
Vent is placed beyond traffic or impervious area-24 1 (1)(c)
All lines connected to vent if bed or trenches-241(1)(d)
9" cover over peastone-240(9)
Reserve area provided(new construction)-248(1)
Reserve 4' from primary leach area—NA 9.04
4'(5'if perc rate<=2 MPI)separation to g.w.-212(a) &(b)
4'(down to 2'with variance or I/A-upgrades only) of natural soil under 1.f.
V GW separation is adjusted to highest existing grade if facility cuts into a hillside
L Pipe slope minimum of 0.005-251(9)
Require 5'removal and replacement if in fill-255(5)
L/ Top of leach facility<=36" below grade-221(7)
Final grade over 11 minimum 0.02 ft/ft-240(1 0)
Surface&subsurface drainage away from 11-240(1 1) &245(5)
Minimum design flow 440 gpd without deed restriction—NA 13.01
3:1 slope where grading required-255(2)
Toe of fill slope stops 5'from property line or swale installed-255(2)
Impermeable barrier if<3:1 slope or< 15 feet to—3:lsl6pe-255(2)
�^ Impermeable barrier/retaining wall poured concrete—NA 9.02
✓� Retaining wall stamped by P.E.-255(2)(b)
Top of retaining wall>=top of peastone elevation-255(2)(f)
10'offset from edge of leach facility to edge of ret. wall-255(2)(g)
Pere test(s) done in most restrictive layer- 104(2)
Pere test 4' below leaching elevation—NA 7.06
Design flow listed and required/provided leach area given-220(4)(f)
Leach pipes SCH40 PVC—NA 10.01
Leach pipes minimum 4" diameter except for dosed system—NA 14.04
6
A
7
J..
✓ Leach lines capped,vented,or connected together-251(9)
Pressure dosing guidance followed if pressure distribution-254(2)(c),
Pressure dosing required over 2,000 gpd or with UA remedial use-231(1)
r
Leaching Trenches(Check here if not present:*— � )
OK Problem N/A
Number of trenches:
Minimum of 2 trenches-NA 9.01(2)
Depth of trenches(max eff.2'): -247(l)
Width of trenches(2'min.,T max.): -251 (1)(b)
Length of trenches(100'max.): -25 1 (1)(a)
Trenches are vented(when>50')-251 (11)
Trenches follow contour lines-251(2)
Trench spacing 3 times effective width or depth minimum-251 (1)(d)
in fill or reserve between trenches, 10'min.-NA 14.01& 14.03
Available leach area given(Min.500 s.f)--NA 9.01(2)
Bottom=L x W x# = s.f.
Sidewall=L x x# x2= s. f.
Effective leach area given
Loading factor:
Effective area=total area s.f.x LTAR = g/day
Effective area is>=design flow of facility being served
2"of 1/8"-'1/2"2x washed peastone.-247(2)
Trench depth of 3/4"to 1 11//2"double washed stone-247(1)
Leaching Pits(Check here if not present: f/ )
OK Problem N/A
#ofpits/pit systems: (dosing chamber if>1,231 (1))
Dimensions of each pit or system:L W D
Depth of pits(max eff.2'): -253(1)(a)
Available leach area given
Bottom=L x W x#of systems= s.f
Sidewall=L+W x D x 2 x#of systems= s.f.
Total area=bottom +sidewall .. = s.f.
Effective leach area given
Loading factor: `
Effective afea{=total area. . s.f.x LTAR = g/day
-Effective area is>—design flow of:facility,being served
Minimum of 2 pits at least 13',X16'—NA 9.01(3)
Distribution for galleries/chmbrs.in trench config.-pipe every 20'-253(6)
Distribution for galleries/chmbrs. in bed config:ea.pipe serves<=40 s.f-253(6)
Spacing-2.times the effective width or.depth(the greater)_253.(1)(c) ,
2"of 1/8"._.:IIV.:jx washed peastone.-247(2) .
3/4"to 1 1/2"double washed stone-247(1)
Each pit has at.least one 20"access cover.24"CI to grade over 2,000 gpd
-253(3)
Surrounding aggregate thickness between 1'-(min.),and 4'(max.)-253(1)(b)
Vents,if necessary,extend under covers of pit(s)-241 (e)
Leach Fields(Check here if not present: )
OK,� Problem N/A
O�// Number of fields:_� (need dosing chamber if> 1,231 (1))
7
8
Length(100'max.): °� -252(2)(b)
i Width:
Total area:L :�S- x W s.f.
/ Minimum 900 square feet-NA 9.01(1)
LI/ Distribution lines connected with solid pipe-NA 15.01
6 Effective leach area given
Loading factor: 7V ,� -� i�
- Effective area=total area � s.f x LTAR r day
✓/ Effective area is>=design flow of facility being served
7/ Minimum of two distribution lines-252(2)(a)
6' line separation(max.)-252(2)(d)
4'maximum separation from edge of field to line-252(2)(e)
10'minimum separation between adjacent leach fields-252(2)(f)
Between 6" nd 12"of 3/4- 1 1/2"stone beneath field-252(2)(g)&'247(2)
2"of 1/8"-1/2"2x washed peastone.-247(2)
Final Grading
OK Problem N/A
Slope over leach area minimum of 0.02 feet/foot-240(10)
Grading shall divert drainage away from leach area-240(l 1)
Grading slopes away from dwelling
5/24/01
8
MERRIMACK
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ENGINEERING SERVICES INC, u�� � � csuu ��u' � [�/ ����mmu[[[ AK |
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Engineers m SnrveVors w Planners
` 6o Park Street
ANDOVER MASSACHUSETTS' |
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