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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 Existing Site Existing Site 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 404.4 0 404.4 Impervious Ground 238 0 238 Driveway 639 0 639 Total Imp 1281.4 0 1281.4 Total Per 512433.6 Site Area 513715 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 0 1281.4 Impervious 0.2% 0.0% 0.2% Pervious 99.8% Catchment C1 Roof 991.2 0 991.2 Impervious Ground 1493.8 0 1493.8 Driveway 4463.1 0 4463.1 Total Imp 6948.1 0 6948.1 Total Per 243369.9 Site Area 250318 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 0 6948.1 Impervious 2.8% 0.0% 2.8% Pervious 97.2% 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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