Laserfiche WebLink
r <br /> TABLE 2-1 <br /> BASIC RUNOFF COEFFICIENTS <br /> SURFACE COEFFICIENTS <br /> Pavement 0.95 <br /> Roofs 0.80 <br /> Compacted earth without paving 0.75 <br /> Lawns & Open Lands 0.20 <br /> TABLE 2-2 <br /> COMPOSITE RUNOFF COEFFICIENTS & MINIMUM INLET TIMES <br /> FOR VARIOUS LAND USES <br /> RUNOFF MINIMUM <br /> COEFFICIENT INLET TIME <br /> LAND USE (1) ®�C) (Min. ) <br /> Residential <br /> Suburban Density <br /> (0 .5 to 1.0 Acre Lots) .30 27 <br /> Low Density (Single Family) .35 25 <br /> Medium Density (Multi-Family) .50 20 <br /> High Density (Apartments) .65 15 <br /> Business & Commercial .90 10 <br /> Industrial (2) <br /> Restrictive Light .70 13 <br /> General .85 10 <br /> Other (2) <br /> Community Park .25 28 <br /> Recreation .30 27 <br /> Schools •40 24 <br /> (1) Refer to General Plan for description. <br /> (2) In lieu of using this table, composite coefficients may be <br /> determined for land uses within a development by using the <br /> basic coefficients shown in Table 2-1. <br /> 2-3 <br />