HomeMy WebLinkAbout252.00ACCESS ROAD TO INLET STRUCTURE
ACCESS RAMP TO
BOTTOM OF FIRST
WETPOOL CELL
(7HAV) (SEE TEXT)
BERM TOP WIDTH 5' MIN.
(IF EARTHEN)
WQ DESIGN WS —
DETENTION WS —
OVERFLOW WS
EMERGENCY OVERFLOW WS —
PLANTINGS REQUIRED ON
CUT SLOPES FOR LAKE tj
PROTECTION FACILITIES —/II,
d
EMERGENCY SPILLWAY
PER DETENTION FACILITY REQUIREMENTS
width
B
I_1
A
INLET PIPE & CATCH BASIN PER
WETPOND FACILITY REQUIREMENTS
FIRST WETPOOL CELL
25% TO 35% OF WETPOOL
VOLUME, EXCLUDING ACCESS
RAMP
BERM OR BAFFLE AT WQ
DESIGN WS OR SUBMERGED
1' BELOW WQ DESIGN WS
EXTEND BERM ACROSS ENTIRE
WETPOOL.
SECOND WETPOOL CELL
CONTROL MANHOLE & OUTLET
PIPE SIZED PER DETENTION
FACILITY REQUIREMENTS
OUTLET EROSION CONTROL
& ENERGY DISSIPATION
PER DETENTION FACILITY REQUIREMENTS
NOTE: Ito 1.This detail is a schematic representation only. Actual configuration O
will vary depending on specific site constraints and applicable ° ACCESS ROAD TO
design criteria. OUTLET STRUCTURE
2.Access Road shall meet the following design criteria. B
2.1. Maximum grade shall be 15 % for asphalt paving and 12 % for gravel or modular grid paving.
2.2. Outside turning radius shall be 40 feet, minimum.
2.3. Fence gates shall be located only on straight section of road.
2.4. Access roads shall be 15 feet in width on curves and 12 feet n straight sections.
2.5. A paved apron shall be provided where access roads connect to paved public roadways.
3. All facilities shall be fenced. Fence shall be provided around facility allowing proper maintenance per standard details unless
otherwise specified.
PUBLIC WORKS COMBINED DETENTION
�NTo� DEPARTMENT AND WETPOND
STD. PLAN 252.00
MARCH 2008