HomeMy WebLinkAbout249.00ACCESS ROAD TO INLET STRUCTURE
ACCESS RAMP TO BOTTOM OF FIRST
WETPOOL CELL (7HA V) (SEE TEXT)
FIRST WETPOOL CELL
25% TO 35% OF WETPOOL VOLUME,
EXCLUDING ACCESS RAMP
BERM TOP WIDTH 5' MIN. (IF EARTHEN)
SECOND WETPOOL CELL
EMERGENCY OVERFLOW WS
EMERGENCY SPILLWAY PER
DETENTION FACILITY REQUIREMENTS
PLAN VIEW
NTS
NOTE:
-� A
INLET PIPE & CATCH BASIN PER
DETENTION FACILITY REQUIREMENTS
BERM OR BAFFLE AT DESIGN
WS OR SUBMERGED 1'
BELOW DESIGN W.S.
EXTEND BERM ACROSS ENTIRE
WETPOOL WIDTH.
A
PLANTINGS REQUIRED ON CUT
SLOPES FOR LAKE PROTECTION
FACILITIES
MANHOLE & OUTLET PIPE
SIZED TO PASS PEAK FLOW PER
CONVEYANCE REQUIREMENTS
OUTLET EROSION CONTROL &
ENERGY DISSIPATION PER
DETENTION FACILITY REQUIREMENTS
1. This detail is a schematic representation only. Actual configuration will vary depending on specific site constraints and applicable
design criteria.
2. Access Road shall meet the following design criteria.
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 strafing 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.
4. Wetponds with wetpool volumes less than or equal to 4,000 cubic feet may be single celled (i.e., no baffle or berm is required).
G~�Y Grp STD. PLAN - 249.00
PUBLIC WORKS TYPICAL WETPOND
,A� DEPARTMENT MARCH 2008