EVALUATION OF CATCH BASIN GRATES

NEW DESIGN STANDARD PLAN RCB 22X (ROLL-OVER CURB) GRATES HAVE BEEN ACCEPTED AND ARE IN USE IN THE FIELD. PERFORMANCE DATA HAS BEEN OBTAINED FOR THESE GRATES AS WELL AS THE RCB 31X REVISED WELDED BAR STEEL GRATE. EFFICIENCIES HAVE BEEN DETERMINED AND GRAPHS ARE PROVIDED RELATING THE TOTAL GUTTER FLOW, THE SPREAD OF WATER, THE INTERCEPTION RATIO, THE CROSS SLOPE, AND THE LONGITUDINAL SLOPE. A SUMMARY OF ALL TEST DATA HAS BEEN PROVIDED THE ROAD DESIGN SECTION OF THE LOUISIANA DEPARTMENT OF HIGHWAYS FOR THEIR INFORMATION, DESIGN PURPOSES AND USE. RECOMMENDATIONS HAVE BEEN MADE AS TO THE USE OF THE MOST EFFICIENT GRATES. ANY RECOMMENDATIONS ON CROSS OR LONGITUDINAL SLOPES FOR DESIGN PURPOSES OR SPACING OF INLETS SHOULD BE MADE BY THE ROAD DESIGN SECTION OF THE LOUISIANA DEPARTMENT OF HIGHWAYS. /FHWA/

  • Record URL:
  • Supplemental Notes:
    • Contract 71-34(B)
  • Corporate Authors:

    Louisiana Department of Highways

    Research and Development Section
    Baton Rouge, LA  United States 
  • Authors:
    • Law, S M
    • Vaccaro, S J
  • Publication Date: 1972-10

Media Info

  • Pagination: 48 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00204055
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Report/Paper Numbers: Final Rept
  • Files: TRIS, USDOT, STATEDOT
  • Created Date: Jul 16 1974 12:00AM