United States Department of Transportation
i
Bicycle- Safe Grate Inlets Study [Vol. 4. Hydraulic Characteristics of Slotted Drain Inlets]
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1980-02-01
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By Burgi, P. H.
[PDF-4.85 MB]
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Edition:Final Report
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Abstract:This report describes the hydraulic tests conducted on slotted drain inlets. Tests were conducted to study the effect of individual parameters on the efficiency of slotted drains. Test results and design procedures are presented for 1.75 in. (44.45 mm) wide slots with solid vertical transverse spacers at 6 in. (152.4 mm) spacing, installed 3.5 in. (88.9 mm) from the curb face. They cover the total and partial flew interception conditions on continuous grades, and the sump condition. Both overland and gutter flew cases are studied. The research was conducted by the Bureau of Reclamation's Engineering and Research Center for the Federal Highway Administration, Office of Research, Washington, D.C. under P.O. 5-3-0166. Subsequent reports will cover the general design procedures for slotted drain inlets.
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