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Site Catchment Areas for DRAINS Modelling Project number: 20220146 Calculations: B. Parry Street Address: 59 Kabi Rd Locality: Cootharaba, Noosa Shire Council Date: 29/08/2022 Proposed Site Proposed Directly connected (m²) Indirectly connected (m²) Catchment A Roof 0 0 0 Impervious Ground 0 0 0 Driveway 0 0 0 Total Imp 0 0 0 Total Per 293290 Site Area 293290 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 0 0 Impervious 0.0% 0.0% 0.0% Pervious 100.0% Catchment B Roof 7032 0 7032 Impervious Ground 623 0 623 Driveway 4353.5 0 4353.5 Total Imp 12008.5 0 12008.5 Total Per 501706.5 Site Area 513715 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 0 12008.5 Impervious 2.3% 0.0% 2.3% Pervious 97.7% Catchment C1 Roof 4782 0 4782 Impervious Ground 1850 0 1850 Driveway 6183.5 0 6183.5 Total Imp 12815.5 0 12815.5 Total Per 237502.5 Site Area 250318 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 0 12815.5 Impervious 5.1% 0.0% 5.1% Pervious 94.9% Catchment C2 Roof 0 0 0 Impervious Ground 40.9 0 40.9 Driveway 3087.5 0 3087.5 Total Imp 3128.4 0 3128.4 Total Per 238348.6 Site Area 241477 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 0 3128.4 Impervious 1.3% 0.0% 1.3% Pervious 98.7%
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