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… Standard Drawings - Drainage Standard drawings are provided in pdf format to assist developers, consultants and contractors to comply with the standards set by the City … Step Iron detail ES-19-13 Pipe bedding details ES-19-14 Stormwater Connection ES-23 Rain Garden Design.pdf ES-39 …
… Stormwater and drainage This is the City’s Adopted Stormwater Management Technical Guideline.  Stormwater - …
… How to Use the Stormwater Design Calculator The stormwater design calculator  can work out how much on-site drainage storage is needed to meet the City's requirements … drainage in storm events. It takes into account 20 and 100-year Average Recurrence Interval (ARI) rainfall …
… questions Developers - frequently asked questions about drainage What is the difference between a soakwell and a drainage pit? A soakwell is a cylindrical concrete tank … capture any silt or solid objects that are present in the stormwater before the water passes into the City's drainage …