HomeMy WebLinkAbout234.20 (replaced 2020)1.DIMENSIONS ARE FOR ILLUSTRATION OF 54" DIAMETER CB. FOR DIFFERENT DIAMETER CB'S ADJUST TO MAINTAIN 45°ANGLE OF
"VERTICAL" BARS AND 7" O.C. MAXIMUM SPACING OF BARS AROUND LOWER STEEL BAND.
2.METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMINIZED STEEL, OR ALUMINUM. ALL OTHER STEEL PARTS MUST BE
GALVANIZED WITH TREATMENTS 1, 2, OR 5.
3.THIS DEBRIS BARRIER IS ALSO RECOMMENDED FOR USE ON THE INLET TO ROADWAY CROSS-CULVERTS WITH HIGH POTENTIAL FOR
DEBRIS COLLECTION (EXCEPT ON TYPE 2 STREAMS).
4.THIS DEBRIS BARRIER IS FOR USE OUTSIDE OF ROAD RIGHT-OF-WAY ONLY.
PLAN VIEW
NOTES:
SECTION A
A
3/4" DIAMETER SMOOTH BARS
EQUALLY SPACED (4" O.C. MAX.)
4 HOOK CLAMPS EVENLY
PLACED, SEE DETAIL
PROVIDE MAINTENANCE ACCESS BY
WELDING 4 CROSSBARS TO 4
VERTICAL BARS AS SHOWN. HINGE
UPPER ENDS WITH FLANGES/BOLTS
AND PROVIDE LOCKING MECHANISM
(PADLOCK) ON LOWER END. LOCATE
STEPS DIRECTLY BELOW
3/4" DIA. SMOOTH ROUND BARS
WELDED EQUALLY SPACED. BARS
SHALL BE WELDED TO UPPER AND
LOWER BANDS (24 BARS EVENLY
SPACED, SEE NOTE 1)
LOWER STEEL BAND 3/4" x 4"
WIDE FORMED TO FIT IN GROOVE
OF CATCH BASIN RISER
15° (TYP.),
SEE NOTE 1
24",
SEE NOTE 1
UPPER STEEL BAND
3/4" x 4" WIDE
STANDARD STEPS OR
LADDER, SEE NOTE 2
TYPE 2 CB
SMOOTH
VERTICAL BARS
HOOK CLAMP ANCHORED
TO CATCH BASIN RISER
CATCH BASIN
(CB) RISER
45°
HOOK CLAMP DETAIL
OVERFLOW STRUCTURE
STD. PLAN - 234.20
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
9/28/2018 | 9:45 AM PDT