HomeMy WebLinkAbout263.20I P + I
r r I 1 i
700 SO FT MAX 1 �
BETWEEN BERMS. SEE NOTE 2 I .
I a
DIAGONAL ASPHALT
w MIN ORIVEV7AY BERM, SEE NOTE 3
SLOPE
ASPHALT BIERM DETAIL
\,(,5.MIN
r
10 �r P 10'
MIN r _
31C TO i ir2" WASHED --
DRAIN ROCK 2' X W CEDAR BOAR❑ +• ^' --J-- r r
r
8" MIN PVC
I
PERFORATED PYPE CRUSHED P � r r 61SPER ION
PER ASTM 01784 ROCK OR GRAVEL r ''
r
5" MIN 1" DROP r f`
vFGETATEC
FLOWP.ATH
18" MIN
PLAN - DRIVEWAY DISPERSION TRENCH
DRIVEWAY SLOPE VARIES AND SLOPES TOWARD STREET (cIS%)
_ UNDISTURBED
E224'MIN
INATIVE SOIL
NON-MVEN GEOTEXTILE
-I FOR SEPARATION PER I
WSDOT SPECIFICATIONS
SECTION &33.2(1} TABLE 3
DISPERSION THENCH DEYAlt
r r
a r
I
v.
r I a
I I
I 1
—
2. SLOT DRAINS OR ASPHALT BERMS MAY BE USED Tb � 2T MIN
DIRECT RvNOFF TO ROCK PADS OR DISPERSION —
TRENCHES IN VARIOUS CONFIGURATIONS LAYOUTS
SHOWN ARE ONLY EXAMPLES CRUSHED ROCK STRIP —
Z VIDE BY 4" THICK. MIM.- -
3 SLOT DRAINS OR ASPHALT BERMS MAY BE USED T9 • '� Y Y
f
DIRECT RUNOFF T[3 ROCK PADS OR DISPERSION
TRENCHES IN VARicAjS CONFIGURATIONS. LAYOLrTS TU'VEGETATED
SHOWN ARE ONLY EXAMPLES FLOYliPATH SEGMENT
OEWERAL NOTM-
1 20' MAX.. NADTH OF CONTRIBUTING IMPERVIOUS SURFACE FOR
SHEET FLOW DISPERSION„ UNLESS VEGETATED FLOVYPATH IS
INCREASED BY 10' FOR EACH ADDITIONAL 20 OF
CONTRIBUTING SURFACE AREA
2 REFER TO SECTION C 2 4 IN THE CITY OF RENTON SURFACE
WATER DESIGN MANUAL FOR ADDITIONAL DISPERSION
REQUIREMENTS.
PLAN - SHEET FLOW 1313PER3I0N FROM A DRIVEWAY
FLAT TO MODERATELY SLOPING DRIVEWAYS (<13%)
MIR]PIrRuG WORKS BASIC DISPERSION - FLAT/MODERATE
[DEPARTMENT SLOPE DRIVEWAYS
Nftff
UNLESS OTHERW IS1 NOT@I7, CIX*VJ:NG 1$ NOT is SCALE
STO. PLAN - 263.20
I}6TE
MIN 2% +
T- GROSS
NOTESc MAX.LOPE + [CRIVE'A'AY 11
- ---- 0MAX. YHDTH, SLOPE + PF
SEE NOTE 2 I PF if
1 SEE STD PLAN 224.00 FOR ALTERNATE DrSPERS`DN S.O
TRENCH IF CONTRIBUTING AREA EXCEEDS 700 SF. USE I +
10 LF OF TRENCH WITM NOTCH BOARD PER 7'00 SF TO
t
MAX. 50 LF OF TRENCH.
_
—
2. SLOT DRAINS OR ASPHALT BERMS MAY BE USED Tb � 2T MIN
DIRECT RvNOFF TO ROCK PADS OR DISPERSION —
TRENCHES IN VARIOUS CONFIGURATIONS LAYOUTS
SHOWN ARE ONLY EXAMPLES CRUSHED ROCK STRIP —
Z VIDE BY 4" THICK. MIM.- -
3 SLOT DRAINS OR ASPHALT BERMS MAY BE USED T9 • '� Y Y
f
DIRECT RUNOFF T[3 ROCK PADS OR DISPERSION
TRENCHES IN VARicAjS CONFIGURATIONS. LAYOLrTS TU'VEGETATED
SHOWN ARE ONLY EXAMPLES FLOYliPATH SEGMENT
OEWERAL NOTM-
1 20' MAX.. NADTH OF CONTRIBUTING IMPERVIOUS SURFACE FOR
SHEET FLOW DISPERSION„ UNLESS VEGETATED FLOVYPATH IS
INCREASED BY 10' FOR EACH ADDITIONAL 20 OF
CONTRIBUTING SURFACE AREA
2 REFER TO SECTION C 2 4 IN THE CITY OF RENTON SURFACE
WATER DESIGN MANUAL FOR ADDITIONAL DISPERSION
REQUIREMENTS.
PLAN - SHEET FLOW 1313PER3I0N FROM A DRIVEWAY
FLAT TO MODERATELY SLOPING DRIVEWAYS (<13%)
MIR]PIrRuG WORKS BASIC DISPERSION - FLAT/MODERATE
[DEPARTMENT SLOPE DRIVEWAYS
Nftff
UNLESS OTHERW IS1 NOT@I7, CIX*VJ:NG 1$ NOT is SCALE
STO. PLAN - 263.20
I}6TE