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Original PDF page 35, section 1. The text section number identifies this passage in the reader.
Site Catchment Areas for DRAINS Modelling Project number: 20220116 Calculations: B. Parry Street Address: 206 David Low Way Locality: Peregian Beach, NSC Date: 17/03/2023 Existing Site Existing Site Directly connected (m²) Indirectly connected (m²) 206 David Low Way Roof 132.6 132.6 - Impervious Ground 21.7 - 21.7 Driveway 23.3 23.3 - Total Imp 177.6 155.9 21.7 Total Per 340.1 - 340.1 Site Area 517.7 155.9 21.7 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 116.9 60.7 Impervious 34.3% 22.6% 11.7% Pervious 65.7% Proposed Site Proposed Directly connected (m²) Indirectly connected (m²) 206 David Low Way Roof 236.4 236.4 - Impervious Ground 88.8 - 88.8 Driveway 65.7 65.7 Total Imp 390.9 302.1 88.8 Total Per 126.8 - 126.8 Site Area 517.7 302.1 215.6 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 226.6 164.4 Impervious 75.5% 43.8% 31.8% Pervious 24.5%
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