03 9878 6666 info@wirrawonga.com.au

H-Class Soils (Reactive Soils)

Many pools are constructed in highly reactive soils, currently classified as “H”. These soils are problematic for engineers and builders, and significant work continues in researching soil behaviours and foundation systems. The new residential slabs...

Changes at Wirrawonga

Wirrawonga have finally settled back into our office at 36 Raymond Street Blackburn after 18 months in a temporary office environment. We have rebuilt the office with a first floor addition featuring a unique acrylic staircase, board room area and acrylic...

Fencing details on site plan certification: AS1926-3, 2010

Changes also to the AS1926-3 2010 require more accurate detail of pool fencing to be provided to your Building Surveyor. Currently our drawings provide for a shaded area which designates the construction area security requirements, and this is assumed to be the...

Hydraulic velocity computations and certification: AS1926-3, 2010

We have recently been in conversation with many of you regarding the new requirements for a Regulation 1507; Certificate of Compliance – Design in relation to the pool hydraulics and velocity flows as per AS 1926-3 2010. Please find enclosed a sample of our site...