HomeMy WebLinkAbout235.00100' max
access risers
50' max
OLT
0.5' sediment storage
l I �
f� 2' min 36" min. size as required 2' max
2' min diameter (typ)
control structure
(FROP-Tshown) SECTION A -A
min. 54" dia.
Type 2 CB NTS
"Flow-through" system shown solid.
NOTE:
All metal parts corrosion resistant.
Steel parts galvanized and asphalt
coated (Treatment 1 or better)
2" min. diameter air vent
pipe welded to tank
(required if no access
riser on tank)
+ + PUBLIC WORKS TYPICAL DETENTION TANK STD. PLAN - 235.00
DEPARTMENT
MARCH 2008
--l—-------------------------I
optional parallel tank
I ��)
_
_i i�\\
access risers
F 36" 1 1 t
inlet pipe
(max spacing
----------------------------
shown below)
( I
�\ �i
r1
min. diameter
same as inlet pipe
(backup systems
where allowed)
2' min
A
t
A
flow
36"
OO
inlet pipe
control
(flow through)
structure
type 2 CB required
access risers
for flow through
system only
PLAN VIEW
NTS
"Flow-through" system shown solid.
Designs for"flow backup" system and
parallel tanks shown dashed
100' max
access risers
50' max
OLT
0.5' sediment storage
l I �
f� 2' min 36" min. size as required 2' max
2' min diameter (typ)
control structure
(FROP-Tshown) SECTION A -A
min. 54" dia.
Type 2 CB NTS
"Flow-through" system shown solid.
NOTE:
All metal parts corrosion resistant.
Steel parts galvanized and asphalt
coated (Treatment 1 or better)
2" min. diameter air vent
pipe welded to tank
(required if no access
riser on tank)
+ + PUBLIC WORKS TYPICAL DETENTION TANK STD. PLAN - 235.00
DEPARTMENT
MARCH 2008