HomeMy WebLinkAboutMiscellaneous - Exception (449)Building Sewer
OK Problem N/A
Inground pool
10
20
Slab foundation
10
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)
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
Drywells
20
25
Downhill slope
15' to 3:1 slope
w/o barrier
Grease trap require certain uses (check 230 for details)
Pipe diameter ' ed (4" minimum) - 222(1)
Pipe sche a listed - 222(3)
Pipe t iron or Sch 40 PVC — NA 11.02
W ertight joints specified - 222(3) & (4)
Pipe laid on compact, fin base - 22
Pipe laid on continuous grad straight line - 222(7)@
Cleanouts precede all c ges in alignment and grade - 222(8)
Cleanout provided ery 100 feet- 222(8)
Manhole at an degree alignment change - 222(8)
Invert elev 'on at building:
VLenofrun:
tion at septic tank:
(minimum of 0.01 -0. esired) - 222(6)
10' offset to private well or suction li - 22(2)
11.
3
3
M
Septic Tank
OK Problem N/A
Tank is accerble - 228(3)
N�truc ures above tank — (228(3)
Wank 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/baffl�minimmuum) - 227(4)
9".air space above flow line�(nunimum) - 227(4)
Tees are not to beppiaced by baffles - 227(1)
Tees extend ove flow line - 227(1)
Inlet tee tends 10" below flow line (minimum) - 227(6)
OtWd tee extends 14" below flow line (more for deeper tanks) - 227(6)
as baffle installed on outlet - 227(4)
Access manhole cover abovecenter o each tee ((except 2 compart) 228(2)
3-20" manholes - 228(2)
1 childproof, 24" rise Whole w/in 6" of final grade if <1000gpd- 228(2)
Inlet and outle s on.center line - 227(1)
Soil co ion below tank specified (if soil is non-native) - 221(2)
6"�f <//=3/4"stone beneath tank specified - 221(2) &22 8(1)
> 1,000 gpd AND not a single fam. dwell. must be 2 tks or 2 comp-,- 23(1)(b)
If plan specifies disposal must be 2 tanks in Serie mpart. tank - 223(1)(c)
Buoyancy calcs. required if tank at or water table - 221(8)
Tank is watertight - 221 (1)
9" of cover over tank ( um) - 228(1)
H- 10 loading ( - H-20 if traffic - 226(3)
Top of — 6" below grade - 221(7)
All pumping to tank (if applies) in accordance ith - 229
Tank is set to keep old system in service during install if possible
Distribution Box (Check here if not present:
OK Problem N/A
Inlet elevation:
Outlet elevation:
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
Number 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: 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)
4