There has been a lot of talk in the Melbourne papers recently about ‘Slab Heave’ when Building on Clay so I thought I would explain how to minimise the risk during construction.
A key issue when building on clay is to avoid any extra moisture getting into the clay under the slab. causing the clay [read more…]
If you want to redevelop or subdivide an existing urban house block, you might find that a planning condition is that you will need to provide On-site Stormwater Detention (OSD).
You may also find it is a condition on individual blocks on smaller subdivisions.
Why Is Onsite Stormwater Detention Needed?
Before development of towns and [read more…]
If you are going to build on an existing house block you will probably have a planning permit condition that storm water must discharge to an approved point.
If there is no surface water system one option can be to discharge to the street.
This is normally by constructing a proper kerb outlet like the [read more…]
There are a lot of acronyms used on plumbing drawings so here are a few definitions:
AG – Agricultural (Drains) B – Basin Bth – Bath BT – Boundary Trap DP – Down Pipe FW – Floor Waste HWS – Hot Water Service IC – Inspection Chamber IS – Inspection Shaft (also IO [read more…]
One of the problems that happen all too often during a new house build is that Sewers and Drains get filled with concrete.
Its normally happens on:
A knock down and rebuild project where the sewer connection wasn’t sealed during demolition. A Battle Axe block subdivision where the new home is built close to the [read more…]
Thanks to SaveH2O, of Supadiverta
This diagram indicates a charged drainage system. These are sometimes called either a “wet” or a “pressure” system.
With this type of system a section of the pipe always remains full unlike a Conventional System.
As the pipes are under pressure it is essential all the joints [read more…]