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A. Curb inlets shall be spaced and sized to intercept the calculated runoff for the design <br />storm. The water surface elevation at the inlet shall be less than or equal to the gutter for <br />the design storm flow. <br />B. Maximum travel distance of water in the street to a curb inlet shall be three hundred feet <br />(300’) on a major thoroughfare and in a commercial area. The maximum travel distance <br />of water in the street permitted in a single-family residential area shall be four hundred <br />feet (400’). <br />C. No Valley Gutter without prior approval. <br />D. Curb inlets should be on the intersecting side street at intersections with a major <br /> thoroughfare. The City Engineer shall specifically approve locations at intersections. <br />E. Grated inlets will not be permitted in an open ditch. <br />F. Backslope swale interceptors shall be placed in accordance with the requirements of <br />Harris County. <br />G. Curb inlets shall have solid inlet lids. Grate or Curb and Grate inlets shall not be allowed <br />for residential subdivisions. Curb inlets shall be recessed, unless otherwise directed by <br />the City Engineer. <br />H. Backfill around inlets and to top of first stage inlet with cement stabilized sand. <br />Stormwater Criteria Page 10 of 10 <br />