HomeMy WebLinkAboutCD-402 Type "B" Inlet
STANDARD CURB
CD-300 OR
EXISTING CURB
WEAKENED
PLANE JOINTSCORE MARK
t-
I ~ .1
DIMENSION "A"
SEE TABLE
B
PLAN
GRATES NOT SHOWN
DIMENSION "A" (INCHES)
UPSTREAM CURB GRADE "A" UPSTREAM "A" DOWNSTREAM
2% AND LESS 24 24
3% 36 24
4% 48 24
5% 60 24
6% 72 24
7% 84 12
8% 96 12
9% 108 12
10% AND GREATER 120 12
SEE DETAIL FOR STEEP CURB SLOPE
WEEPHOLE
DRAINAGE INLET
AGGREGA TE BASE
CLASS 2 PERMEABLE
MA TERIAL
3" SCHEDULE 40
PERFORA TED PVC
PIPE
SIDE WEEPHOLE DETAIL
SEE NOTE 6
TYPE "B"INLET
SCALE: NOT TO SCALE
DA TE: SEPTEMBER 13, 2006
DRAWN BY: MLWH
V:\CAD\NEW STANDARDS
~ ~
f~;~~ ~~ SHEET 1 OF 4
PUBLI WORKS DIRECTOR CD-402
GALVANIZED STEEL GRATE FRAMES
AND GRATES (SEE STANDARD
PLAN CD 412, PLAN A)
WEAKENED PLANE JOINT
WEAKENED PLANE JOINT
1/2"
of' ; , .
ONE 3" WEEPHOLE ON
EACH SIDE AND
FRONT OF INLET. SEE
SIDE WEEPHOLE DETAIL
OPTIONAL CONSTRUCTION JOINTS
SEE NOTE 4
SEE STEP DETAIL
SLOPE 2" PER
/ FT. TO OUTLET
.~: e. . ~~. ..: .....:. ." . "
.;~.~:':~<:,:~..:.:~~,:~>':):.::..{<:, :';: ..,"...'.,.,
.1 ~"p- 4" (MINI
-+L
6'-5"
7'-5"
SECTION A-A
TOP OF INLET
6" MAX.
=1~
(M~
=
BOTTOM OF INLET
..'- "'-" .'~I- ','.. .'..'_ ','.. .'~I_
STEP DETAIL
SEE NOTE 8
. :~
OUTLE
PIPE FLOW LINE
GRADE
~
-ft
t
TYPE "B" INLET
APPROVED: . ~..~
YYi1~~ ~ SHEET 2 OF 4
, Pu8L1~ORKS DIRECTO CD-402
SCALE: NOT TO SCALE
DATE: SEPTEMBER 13, 2006
DRAWN BY: MLWH
V:\CAD\NEW STANDARDS
ROUND TO 1/8" RADIUS
IF INLET AND SIDEWALK
ARE NOT CONSTRUCTED
MONOLlTHICALL Y.
JOINT SCORE MARK
6 S 17.25X 3'-5"
GALVANIZED
12" /
x
<(
6
OPTIONAL CONSTRUCTION
JOINT (SEE NOTE 4)
#4 @ 12" EACH WAY
WHEN ''H'' IS GREATER
THAN 6' (THESE TWO
WALLS ONLY)
Vl
w
0:::
<(
>
3'-8"
SECTION B-B
TYPE "B" INLET
PLACE 1.0 CUBIC
FOOT OF CLASS 1
PERMEABLE
MATERIAL, WRAPPED
IN FIL TER FABRIC,
AT WEEPHOLE
SCALE: NOT TO SCALE
DATE: SEPTEMBER 13, 2006
DRAWN BY: MLWH
V:\CAD\NEW STANDARDS
~:L~~A~ SHEET30F4
~~~ DI~ CD-402
NOTES:
1. CONSTRUCTION JOINTS ARE OPTIONAL WHERE SHOWN. OTHER LOCATIONS ARE SUBJECT TO THE
APPROVAL OF THE PUBLIC WORKS DEPARTMENT. KEY DIMENSIONS = 3/4"X 2 3/8".
2. CLEARANCE SHALL BE 1 1 /2" FOR ALL REINFORCING STEEL.
3. THE TWO GRATE FRAMES SHALL BE SECURELY CLAMPED TO THE "s" BEAM DURING THE
PLACEMENT OF CONCRETE.
4. CONSTRUCTION JOINTS AS SHOWN ARE PERMITTED WHEN TOP PORTION OF INLET IS TO BE
CONSTRUCTED MONOLlTHICALL Y WITH CURB AND SIDEWALK, IN WHICH CASE THE FOLLOWING
SHALL APPLY:
A. CONCRETE ABOVE CONSTRUCTION JOINT SHALL BE CLASS 3 (505 LBS. PCC PER CUBIC
YARD).
B. CONCRETE BELOW CONSTRUCTION JOINT SHALL BE CLASS 2 (590 LBS. PCC PER CUBIC
YARD).
C. CONSTRUCTION JOINT SHALL BE LOCATED AT PAVEMENT SUBGRADE.
D. VERTICAL REINFORCEMENT SHALL EXTEND 6" ABOVE JOINT.
5. WHEN INLET IS CONSTRUCTED AS A SINGLE UNIT , ALL CONCRETE SHALL BE CLASS 2.
6. WEEPHOLE ELEVATION VARIES DEPENDING ON THE DEPTH OF THE ADJOINING PAVEMENT SECTION.
IT SHALL BE AT, OR SLIGHTLY BELOW, THE PAVEMENT SECTION SUBGRADE ELEVATION WITH A
MINIMUM DEPTH OF 15" BELOW THE CURB INLET FLOWLINE. THE SIDE WEEPHOLE SHALL BE USED
A T ALL "SUMP" LOCATIONS. EDGE DRAINS OR SIDE WEEPHOLES AT OTHER LOCATIONS MAYBE
REQUIRED AS SHOWN ON THE PROJECT CONSTRUCTION PLANS OR BY THE PUBLIC WORKS
DEPARTMENT. WHERE THE SIDE WEEPHOLE OR EDGE DRAINS ARE NOT REQUIRED, THESE
WEEPHOLES SHALL CONFORM TO THE FRONT WEEPHOLE SHOWN ON THIS PLAN.
7. ALL DIMENSIONS ARE MINIMUMS UNLESS OTHERWISE SPECIFIED.
8. STEPS SHALL BE STEEL REINFORCED POLYPROPYLENE PLASTIC, SANTA ROSA CAST PRODUCTS
CO., DWG. NO. PS2-PF OR EQUIVALENT. STEPS TO BE CAST IN PLACE OR PRESS FITTED INTO
PROVIDED HOLES AS PER MANUFACTURER. INSTALL STEPS WITH LOWER RUNG 1'-0" ABOVE THE
FLOOR AND HIGHEST RUNG NOT MORE THAN 6" BELOW TOP OF INLET. THE SPACING BETWEEN
STEPS SHALL NOT EXCEED 1'-0" AND SHALL BE UNIFORM THROUGHOUT THE LENGTH OF THE
WALL. PLACE STEPS IN THE WALL WITHOUT AN OPENING. NO STEPS REQUIRED WHERE DISTANCE
FROM FLOOR OF INLET TO TOP OF GRATE IS LESS THAN 4'-0" OR LESS.
9. ALL INLETS SHALL HAVE A "DRAINS TO CREEK" (STD CD-704) METAL MARKER APPLIED AS
DIRECTED BY THE INSPECTOR OR RESIDENT ENGINEER. THE MARKER SHALL BE APPLIED
FOLLOWING MANUFACTURER'S RECOMMENDATIONS, EXCEPT PCC SURFACES MAYBE MECHANICALLY
CLEANED IN LIEU OF SANDBLASTING. THE MARKER MAYBE PROVIDED BY THE PUBLIC WORKS
DEPARTMENT, CHECK YOUR PERMIT CONDITIONS OR CONTRACT SPECIAL PROVISIONS.
10. WHEN DIMENSION "H" EXCEEDS 12', USE A MANHOLE BASE WITH A TYPE "B" INLET TOP.
~"\ OF DU!)/,
6~~
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~~~
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-
TYPE"B" INLET
SCALE: NOT TO SCALE
DATE: SEPTEMBER 13, 2006
DRAWN BY: MLWH
V:\CAD\NEW STANDARDS
APPROVED, ~
W~ SHEET 4 OF 4
~WORKS OIRECT R CD-402