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Attachment 1 - RECOR RFI Cover Letter Response_20210216
Original PDF page 11, section 1. The text section number identifies this passage in the reader.
Catchment Areas for DRAINS Modelling Project number: 20210216 Calculations: B. Parry Street Address: 62 Gateway Drive Locality: Noosaville, NSC Date: 26/09/2022 Existing Site Existing Site Directly connected (m²) Indirectly connected (m²) 62 Gateway Drive Roof - - - Impervious Ground - - - Driveway - - - Total Imp - - - Total Per 2,447.0 - 2,447.0 Site Area 2,447.0 - - % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA - - Impervious 0.0% 0.0% 0.0% Pervious 100.0% Full Catchment Impervious Area - - - Pervious Area 46,580.0 - 46,580.0 Total Area 46,580.0 Proposed Site Proposed Directly connected (m²) Indirectly connected (m²) 62 Gateway Drive Roof 1,163.1 1,163.1 - Impervious Ground 99.3 - 99.3 Driveway 878.5 - 878.5 Total Imp 2,141.0 1,163.1 977.8 Total Per 306.0 - 306.0 Site Area 2,447.0 1,163.1 1,283.9 % impervious Effective DCIA = 75% DCIA ICIA +25% ineffective DCIA 872.3 1,268.6 Impervious 87.5% 35.6% 51.8% Pervious 12.5% Full Catchment Impervious Area 41,922.0 41,922.0 - Pervious Area 4,658.0 - 4,658.0 Total Area 46,580.0
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