Ground conditions
Why Trenches Collapse in Perth Sand, and How to Dig Them Anyway
Bassendean and Spearwood sands have almost no cohesion. Here is what that means for trench walls, footings and pool digs, and the techniques that keep...
Ground, weather, rules and machines, written for the people doing the work.
Ground conditions
Bassendean and Spearwood sands have almost no cohesion. Here is what that means for trench walls, footings and pool digs, and the techniques that keep...
Buying decisions
Dry-hire rates for a 1.7 tonne excavator around Perth, what the quoted rate leaves out, and the honest break-even for buying a Rippa machine instead.
Ground conditions
The Hills are the opposite of the coastal plain. Gravel that sets like concrete in summer, clay that clogs a bucket in winter, and granite that turns...
Perth blocks
Older suburbs have generous side paths and newer estates have almost none. A guide to typical access widths across Perth, how to measure yours, and wh...
Perth blocks
Perth is one of the few cities where roof water goes into the ground on your own block. What councils require, how soakwells are sized, and how to dig...
Ground conditions
The coastal limestone that runs the length of Perth's coast is soft enough to cut and hard enough to stop a small excavator dead. How to recognise it,...
Seasons
Between the last of the rain and the first hot northerly, Western Australia has a short stretch when the ground is soft, the days are mild and the fir...
Seasons
Between June and September the ground water in Perth's low-lying suburbs rises to the surface. Understanding where and when it happens decides which j...
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