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CD-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~~ II! ~~~ ~\ 19~~ 2 ~~~ (' \'~ d!.TFOv..~ - 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