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Adrian Campbell

Australia · 2021–today

Earthcon Civil: civil works and house site cuts for new developments

Before a house can go up, the ground has to be right. Earthcon Civil does that part: the cuts, the fills, the drainage and the levels that everything else depends on.

Illustration of a freshly cut and levelled house site on a sloping bush block with an excavator parked at the edge, at dawn.
A house site cut on a sloping block, the core of Earthcon Civil's work (illustration).Queensland · Illustration

What Earthcon does

Earthcon Civil is a civil contractor for new residential developments. Its core work is site preparation: bulk earthworks, retaining walls, stormwater drainage and, in particular, house site cuts, where a sloping block is cut and benched to the exact levels the builder's slab needs. Get the cut wrong by a few centimetres and the cost shows up in every trade that follows. The company puts weight on accuracy, on working cleanly, and on disturbing the site as little as the job allows.

What a house site cut involves

A new estate on sloping ground is a series of problems in soil. Each lot has to be cut into a level pad, or a split-level pair of pads, at the heights set by the engineer so that the slab, the driveway and the sewer all fall the right way. The cut material becomes fill somewhere else and has to be compacted properly or the house above it will move. Where the level change is too great, retaining walls hold the difference. Stormwater has to leave the site, and a neighbour's site, without pooling against either house.

It is unglamorous, and it is where budgets break. A contractor who cuts to the exact level, compacts the fill properly and gets the drainage right saves the builder, and the owner, money for the life of the house.

Why Adrian is involved

Adrian Campbell trained as a plumber and spent his early working life on commercial sites. He has been a Director of Earthcon Civil since August 2021. Civil works are the least visible part of property development and the most likely to blow out, and he wanted to understand that end of the business from the inside rather than from an invoice.

Where it pays off

That knowledge is now being used on a beach in Lombok. At Saraya Beach Resort, Kinnara Capital manages design, procurement and construction across a Thai architect, an Indonesian contractor and local suppliers. The site needs an access road widened by eight metres over 350 metres to the resort frontage, 154 villa pads on a coastal site, and drainage that respects a 100-metre setback from the beach. Building the Elysian display villa showed that some locally available steel, concrete and electrical components did not meet the specification, and the specification was raised across every villa.

Knowing what good groundwork looks like, and what it costs, is the difference between a render and a building. Earthcon is where Adrian keeps that knowledge current.

Visit earthconcivil.com