HomeMy WebLinkAbout249.30Y
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INFLO
WETLAND CELL
FIRST CELL (FOREBAY)
PLANT WITH ACCESS ROAD
WETLAND PLANTS
ACCESS ROAD
SPILLWAY
PLAN VIEW Option A
NTS
OUTLET STRUCTURE
(SEE DETAIL
INLET FIGURE)
SUBMERGED
FIRST CELL DEPTH
4' MIN. TO 8' MAX
2.5 ft MAX.
ft c WQ DESIGN WS
INLET 2 min. ��/��j��`���������/��� O/�/``O//J J��`/��0�
2' MIN.
IF REQUIRED, PLACE LINER IN
INLET EROSION CONTROL/SLOPE SECOND CELL TO HOLD WATER
PROTECTION PER DETENTION
FACILITY REQUIREMENTS SLOPE MAYBE 2:1
WHEN TOP SUBMERGED
1 FT BELOW DESIGN WS
SEDIMENT STORAGE
DEPTH = 1' MIN.
SECTION VIEW Option A
NTS
NOTE:
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 straingh 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 fences. 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 ro berm is required).
+ + PUBLIC WORKS STORMWATER WETLAND STD. PLAN - 249.30
DEPARTMENT OPTION A
MARCH 2008