HomeMy WebLinkAboutP_FLOWCONTROLBMP_DETAIL1_250529_V1SEC110N C.2 ON -SITE BMPS
FIGURE C.2.4.B SCHEMATIC REPRESENTATION OF A TYPICAL GRAVEL -FILLED DISPERSION
TRENCH FOR BASIC DISPERSION
12/122016
1X 20% SLOPE
I
r LEVEL OUTLET
` T MIN. ;
RIGID PEFORATED
18" MIN. j aIPE, 4^ MIN. DIA.
r � 3/4" TO 1-112"
WASHED
DRAIN ROCK
24" MIN.
TRENCH SECTION
NTS
SLOPE
SMALL CATCH BASIN OR YARD DRAIN
25-FOOT (MIN) VEGETATED
FLOWPATH SEGMENT
= 700 SO. FT. SIMPLE 10. FOOT TRENCH
FLOWPATH SEGMENTS
TYPE 1 CS MUST NOT OVERLAP
= 3,500 SO. FT.
25-FOOT (MIN) VEGETATED
FLOWPATH SEGMENT
MAXIMUM 50-FOOT TRENCH WITH
NOTCHED BOARD (SEE FIGURE C.2.1.D)
PLAN VIEW OF ROOF
NTS
2017 City of Rcnton Surtke Water Iksign Manual
C-60
a
DEPARMENTFLOW CONTROL BMP DETAILS
DATE: 2-10-2019