February 13, 2024
Cartridge Media Filtration: StormFilter for Tight Urban Sites
How cartridge media filtration systems like StormFilter achieve tertiary stormwater treatment on tight urban sites where bioretention won't fit.
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Updates from Contrive Consultants.
January 16, 2024
The Duplex Development Process in Sydney: A Step-by-Step Guide
Every stage of a Sydney duplex project explained - feasibility, design, approvals, construction and subdivision, plus the consultants you need at each…
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January 9, 2024
Wollongong Council Stormwater Requirements: Builder’s Guide
Wollongong DCP 2009 Chapter E14 stormwater and OSD requirements explained for builders - escarpment runoff, intense rainfall and flood controls.
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December 12, 2023
Liverpool Council Stormwater & OSD Requirements for Builders
Liverpool DCP 2008 stormwater and OSD rules - what builders in Austral, Leppington and Edmondson Park must include in their drainage plans.
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November 14, 2023
OSD + Rainwater Tanks: How Combined Systems Work in NSW
Combined detention/retention tanks can satisfy OSD and rainwater reuse in one structure. How they work and what NSW councils look for.
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October 10, 2023
Terrace House Stormwater Design in NSW: Zero-Lot & Easement Guide
Stormwater design for NSW terrace housing - zero-lot boundaries, party wall box gutters and inter-allotment easements explained for builders.
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September 12, 2023
Hydrodynamic Separators & SPEL Stormceptor: How They Work
How hydrodynamic separators and vault systems like the SPEL Stormceptor treat stormwater, what they remove, and when NSW councils accept them.
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August 8, 2023
Sutherland Shire Stormwater & OSD Requirements Explained
Sutherland Shire Council stormwater and OSD requirements under DCP 2015 Chapter 38 - what builders of duplexes and townhouses need to provide.
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July 11, 2023
Penrith Council Stormwater, OSD & WSUD Requirements Guide
Penrith DCP 2014 stormwater rules explained - OSD, WSUD and drainage plan requirements for builders in Jordan Springs, Glenmore Park and Orchard…
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June 13, 2023
The UPRCT OSD Handbook: Why Western Sydney Councils Use It
How the Upper Parramatta River Catchment Trust's OSD Handbook became the template for western Sydney council detention requirements.
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