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Community Health Center <br /> Other Hard Surfaces feasibility description: <br /> 1. Full Dispersion per BMP T5.30 <br /> i. Full Dispersion is infeasible due to lack of native forest vegetation. <br /> 2. Permeable Pavement per BMP T5.15 <br /> i. Due to the quality and depth of observed on-site soils,permeable the <br /> pavement BMP has been selected to manage new parking area runoff. <br /> Minimum Requirement # 6: Runoff Treatment <br /> Due to the project proposing less than 5,000 sf. new pollution generating hard surfaces <br /> (PGHS) and less than % acre new pollution generating pervious surfaces (PGPS),runoff <br /> treatment is not required. <br /> Minimum Requirement # 7: Flow Control <br /> Due to the project proposing less than 5,000 sf. new hardscape,less than 3/ acres <br /> vegetation to lawn conversion, and less than 2.5 acres native vegetation to pasture <br /> conversion, flow control is not required. <br /> ) <br /> Site Summary <br /> Total Property Area = 138,800 sf. (3.186 Ac.) <br /> Existing Site <br /> On-Site Hardscape area: <br /> Existing CHC Building = 15,600 sf. <br /> Existing asphalt parking lot =49,500 sf. <br /> Total = 65,100 sf. (1.494 Ac.) <br /> On-Site Vegetated area: <br /> Existing Landscaping = 39,500 sf. (0.907 Ac.) <br /> Existing Native Vegetation =34,200 sf. (0.785 Ac.) <br /> Proposed Site <br /> On-Site Hardscape area: <br /> Existing CHC Building = 15,600 sf. <br /> Existing asphalt parking lot =49,500 sf. <br /> Proposed Permeable Pavement = 4,510 sf. <br /> Total = 69,610 sf. (1.598 Ac.) <br /> On-Site Vegetated area: <br /> Existing Landscaping = 32,140 sf. (0.738 Ac.) <br /> Existing Native Vegetation =33,650 sf. (0.772 Ac.) <br /> Proposed Amended Landscaping = 3,400 sf. (0.078 Ac.) <br />• <br /> WESTERN ENGINEERS,INC. 12 PROJECT:17-1688-A <br />