Excavation & Earthworks Mount Colah

It depends on the volume of material, the ground (hawkesbury sandstone plateau with rock outcrops and steep bushland), access for the machine and how far spoil has to be carted. Every job gets a written quote after a site look, with the dig, cartage and cleanup spelled out, so you know what’s included before anything starts.

Usually, if the excavation is part of a build. Cut and fill beyond set limits, work near boundaries and anything on a lot with a flood, bushfire or heritage overlay needs approval as part of the DA or CDC. We work to the approved plans; check with your certifier before the dig is booked.

A trench, pool dig or single pad is a day or two; a knock-down site cut or a basement runs longer and depends on volume, ground and weather. Dates come with the quote, not after.

Yes. Hawkesbury sandstone plateau with rock outcrops and steep bushland; edges the national park. On the river slopes, in the gullies and across the Hornsby plateau, sandstone is usually within the first metre. It’s sawn at the boundaries and broken out, and it’s in the quote when the site look finds it.

That’s the most common ground in this region and it’s priced as two jobs: clay cut and compacted fill on the ridge side, saw and breaker where the block drops into rock. The site look finds where the change is so it’s in the quote from the start.

Usually three ways: the back of the block is sandstone and steep, the bush carries a bushfire rating, and the trees are protected. The cut is benched, retaining is planned in, and the clearing and asset protection zone are done to the approved plan.

Yes. The old house down, slab and footings out, the block stripped and the new pad cut and compacted, as one run if you want the demolition handled too.

Yes. Hawkesbury sandstone plateau with rock outcrops and steep bushland; edges the national park. The pool builder’s engineer will usually want the base checked, which is standard, and the machine is sized to the side access.