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  • Users: PGRAZ
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  1. PGRAZ

    Gravel Pit CN

    Use your Group-A soil values. Why penalize yourself. The curve nos are so radically different (gravel road to A-grass/woods) that you probably had no pre-development runoff and your actual final condition will be essentially the same, just with different slopes. Plus, because of your swing in...
  2. PGRAZ

    Modelling a forebay with hydrocad

    Small forebays are usually incorporated with the adjacent pond (it may have a small lower beginning elevation but at the upper stages the water storage volume may be integral with the big pond). We model them separately if we are designing for some attenuation.
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