HomeMy WebLinkAboutMiscellaneous - 81 SAW MILL ROAD 7/30/2003 CHE CKLIST 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:--""
w, Revision Date: Date of Review:
Plan Date:
Property Address: Map: 10J,j °": Lot: .a
BOH Reviewer: ' i '"k Type of Plan(new or upgrade):
4
Number of Bedrooms in Assessor's Records: gpd)Garbage Disposal Allowed:
General Information: N.A.=North Andover Septic Regulations Other numbers refer to Title 5
OK,f Problem N/A
Street number and map/lot-220(4)(u)
-
Maximum scale of 1 "=40'for p p O lot plan 220 4
.,,. _. .
Maximum scale of 1 "=20'for profile andcolnponent detarls-220(4)
Legal boundaries of the facility being served-220(4)(a)
Names of abutters from recent tax map- NA 8.02j
Number of bedrooms,design cafes.,-NA 8.02i
Name&address of record owner&applicant- NA 8.02k
_tea 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)
0 Location of all existing or proposed impervious areas-220(4)(d)
=w All distances on site plan—NA 8.03 a-c
+., Elevation of proposed driveway-NA 8.02t
X - Location and elevation of foundation drain-NA 8.02y
Location and dimensions of the system incl.reserve(new const.)-220(4)(e)
° Limits of excavation of leach area on site plan-NA 8.02z
Locus plan-220(4)(t) (Not to scale)
North arrow-220(4)(g)
Existing and proposed contours-220(4)(g)
p Locations and logs of deep holes-220(4)(h)
/ Locations and logs of percolation tests-220(4)(i)
Date(s)of soil testing-220(4)(h)&(i)
Existing grade elevation of each deep hole-220(4)(h)
� Elevation of percolation tests—N.A. 8.02n
Name of approving authority representative-220(4)(h)&(i)
Name of soil evaluator-220(4)0)
Soil logs and perc test logs match BOH records
Locations of waterlines,drains,and subsurface utilities-220(4)(m)
Observed and adjusted g.w. elevation in the vicinity of the system-220(4)(n)
^'w Complete profile of the system to scale-220(4)(o),NA 8.02c
'r Cross section of leaching facility-NA 8.02w (Not to scale)
Location of benchmark(s)within 50-75 feet of facility-220(4)(q)
Note listing all variance requests with proper citations-220(4)(p)
Local upgrade approval request form submitted-403(1)
`
2
Original IL8./P.Bstamp, signature&date-200&(2)
P. discipline specified within stamp. M8LC. /l2a. 8lM
stc. supplies hw/in400%pub. wells hw/in 250l pvt. wells(Win ]50l-
Location of watercourses,vretlauds,wells, etc. v/in 150'of system-NA 8.03r
Wetlaoddischiuer-NA 8.02s
BlB plan reference&c certification rcguired(orop|lu000ihucko)-22O/3l
Plan contains designer's certification statement |
Use approvals/standards checked for I6\system-DBPdoom., |
Perorate>30NIPI-not allowed for new,LDA for upgrade-245(1)&c('3)
Pmcnxte> 60Mv{-must use nmuifiedtight tank or11d technology-245/W
Proposed system qualifies as "shared"system-002(definitions)
Flow io over 2,000gyd'NuIl.S. allowed-22OU)
Design flow was set iu accordance w�bcode' `03
Existing system lnouduuoudoctuoopruyoruhundoouzout-354 �
Leaching facility o[least l` above Base Flood elevation-NA9.05 |
All piping So64O minimum-N\ }O.Ol
Basement floor minimum |" above groundwater e|evation-NA 5.04
Foundation |
---- -�-�-- --- |
�
On-site Soil and Groundwater Review
/
OK Problem N/A |
-' Proper deep observation hole logs ou plan-22V(4)04
All deep holes and percs shown,including aborted tests-NA8.O3u �
Soil evaluation forms submitted within 6O days of field work-Ul8(%)
��opxzperoo1utinnt�m�\uA'22O(4)(8
-�r- ------ ---' ' '
Ample deep observation holes iu primary disposal area(minimum 2)- 102(2)
Ample deep observation holes in secondary disposal area(minimum 2)- lO2(2)
' �m�|�p��testing(uu�luummbd�apooalur�u3 �upr�a �200U�pd) 104(4)
^ ` , . , ' -
Deep hole testing conducted within two years-N47.05
Hole Identification Numbers:
ground elevation el.
�
acceptable soil el. ZO �
Leach faci|dvinvert el.
w/
ground water el.
refusal el.
?V1 5f
bottom of leach facility el.
thickness n[acceptable soil
before&after soil B&DL ����� ------- ------- ------
'
��
aep��iuuto��u��� __� 7,,
separation turefusal 17 ------_ -----__ _____ |
soil class �
2
3
f
pert rate �
loading rate
septic tank below g.w.table (yes or no)
pump tank below g.w. table (yes or no)
l.f in fill -255(l)
Setback Distances(Given in feet) 15.21 1
YES yNO-�' Is the lot in the Lake Cochiewick Watershed? NA 6.00&5.02
OIL Problem N/A
Septic'Tank Leach Facility
Property line 10 10
Cellar wall 10 20
Inground pool 10 20
Slab foundation 1.0 10
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)
L " Trib. To Surface Water supply 325 325
Reservoirs 400 400
Tributaries to reservoirs 200 200
Drains(wat. supply/trib.) 50 100
Drains(intercept g.w.) 25 50
Foundation drains 10 20
Drains(Other) 5 10
jJ= Drywells 20 25
Downhill slope 15'to 3:1 slope
3
4
w/o barrier
Building Sewer
OK Problem N/,A
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)
Pipe laid on compact, fm base-222(5)
Pipe laid on continuous grade in straight line-222(7)@
Cleanouts precede all changes in alignment and grade-222(8)
Cleanout provided every 100 feet-222(8)
Manhole at any 90 degree alignment change-222(8)
Invert elevation at building:
Invert elevation at septic tank:
Length of run:
Slope: (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)(0&223)(1)(a)
2-3"drop from inlet to outlet-227(5)
V ° 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 lime(more for deeper tanks)-227(6)
Gas baffle installed 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 tees on center line-227(1)
Soil compaction below tank specified(if soil 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 tanks in series or 2 compart,tank-223(1)(c)
Buoyancy calcs.required if tank at or below water table-221(8)
Tank is watertight-221 (1)
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
AN alarm set at 3/5 tank capacity—260(2)(c)
Min. 1-24"frame w/cover at finished grade—228(2)(f)
Year round access for pumping—228(2)(g)
Distribution Bog(Check here if not present: )
OK Problem N/A
Inlet elevation: IZ) .JR
Outlet elevation: 0: , G)
0.17'drop from inlet to outlet(minimum)-232(3)(b)
6"sump(minimum)-232(3)(e)
All outlets at same elevation-232(3)(b)
Outlet pipes laid level for first 2 ft.-232(3)(c)
Pipe Sch 40-NA 10.01
bNumber of outlets:� Number of laterals:
Size of outlets:
Inlet baffle/tee min. 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)
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 Chamber(Check here if not present:
OK Problem N/A
Volume specified: Z)62) 220(4)(r)
Pump on elevation- 220(4)(r)
Pump off elevation: 220(4)(r)
Alarm on elevation: 220(4)(r)
Number of cycles per day-220(4)(r)(also 254(1)(d)if gravity from d-box)
Minimum 2"delivery line to d-box if gravity-254(1)(c)
Pressure dosed l.f, if flow>=2,000 gpd-254(1)(a)&254(2)(a)
Cycles per day is consistent with chamber volume-23 1
Volume calculations include flowback volume-2') 1(2)
5
6
24 hour storage capacity 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)
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(1),
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
50%larger if garbage disposal-240(4)
L Trenches to be used whenever possible-240(6)
L No vehicle or imperv. area above 1.£unless unavoidable-240(7);NA 13.02
Vented if under impervious cover-241 (1)
t-,-'/- 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 11
GW separation is adjusted to highest existing grade if facility cuts into a hillside
Pipe slope minimum of 0.005 -251(9)
Require 5'removal and replacement if in fill-255(5)
Top of leach facility<=36"below grade-221(7)
Final grade over 11.minimum 0.02 ft/ft-240(10)
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—3:1 slope-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)
Perc test(s)done in most restrictive layer- 104(2)
Perc 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
7
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 I/A remedial use-231(1)
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.,4'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 D 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 1/2"double washed stone-247(1)
Leaching Pits(Check here if not present: )
OK Problem N/A
#of pits/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 area=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"- 1 /2"2x 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 P(min.)and 4'(max.)-253(l)(b)
Vents,if necessary,extend under covers of pit(s)-241 (e)
Leach Fields(Check here if not present: )
OK Problem N/A
Number of fields: (need dosing chamber if> 1,231 (1))
7
8
Length(100'max.): -252 (2)(b)
Width:
Total area:L x W
Minimum 900 square feet-NA 9.01(1)
Distribution lines connected with solid pipe—NA 15.01
Effective leach area given
Loading factor:
Effective area=total area s.f x LTAR = g/dav
Effective area is>=design flow of facility being served
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"and 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(11)
Grading slopes away from dwelling
5/24/01
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