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Civil Package
Original PDF page 40, section 1. The text section number identifies this passage in the reader.
Site Catchment Areas for DRAINS Modelling Project number: 20220051 Calculations: B. Parry Street Address: 37 Bottlebrush Ave Locality: Noosa Heads, NSC Date: 14/04/2022 Existing Site Existing Site Directly connected (m²) Indirectly connected (m²) 37 Bottlebrush Ave Roof 199.8 199.8 - Impervious Ground 64.7 - 64.7 Driveway 47.9 47.9 - Total Imp 312.4 Total Per 179.1 Site Area 491.5 247.7 64.7 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 185.78 126.59 Impervious 63.6% 37.8% 25.8% Pervious 36.4% Proposed Site 22.97 Proposed Directly connected (m²) Indirectly connected (m²) 37 Bottlebrush Ave Roof 222.8 222.8 - Impervious Ground 96.1 63.3 32.8 Driveway 26.1 26.1 - Total Imp 344.9 Total Per 146.5 Site Area 491.5 312.1 32.8 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 234.1 110.8 Impervious 70.2% 47.6% 22.6% Pervious 29.8%
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