Licensing in brief. How South Australia licenses building work contractors, the supervisor registration behind each licence and the rule that your advertising carries your licence number are covered on our page for Adelaide builders. For concreters the useful detail is in CBS's own building licence FAQs (November 2025): every licence carries conditions stating the work you can contract for, contracting for work outside them is an offence, and your supervisor's registration has to cover the same type of work. The Law Handbook lists paving among the work prescribed as domestic building work, and since 10 November 2025 domestic jobs under $20,000 have been classed as minor domestic building work, regulated more lightly than bigger contracts. The same FAQs say your licence number, which starts with BLD, has to appear on any advertisement, so it belongs on every page of your site, and listing your conditions accurately shows clients the work you're licensed to contract for.
Two councils, two crossover specifications. Metropolitan Adelaide is split across many councils, and the crossover drawings change at the boundary. In the south, the City of Onkaparinga handles access changes through its permit to alter a public road, asks for a site plan, photos of the existing infrastructure and public liability insurance if available, and says to allow at least four weeks. Its standard detail SD-420 calls for a 100 mm crossover in 32 MPa concrete with SL72 mesh over a 100 mm PM2/20 base, a brush-finished non-slip surface, a width of no more than 4 metres on local roads, one invert per allotment per frontage, at least 1 metre to kerb ramps and side entry pits, and on corner blocks at least 6 metres from the intersection. In the west, West Torrens requires council approval for a new driveway or crossover, plus separate approval to remove a street tree in the way, and warns of fines for unapproved work. Its drawing WTC 305 (March 2024) specifies 100 mm of 25 MPa concrete with SL62 mesh for houses and 150 mm with SL72 for commercial crossovers, and a separate drawing covers brick-paved crossovers.
Knockdown-rebuilds and the old invert. Infill building leaves plenty of driveways in the wrong place. West Torrens' Asset Protection Program says redundant crossing places, both driveway and invert, must be removed and replaced with kerb and gutter unless council agrees otherwise. It holds the owner responsible for damage to council assets, contractors' damage included, and for developments approved from August 2024 expects repairs within six weeks of site handover, or four weeks where the damage is a safety risk. A concreter who regularly closes off old inverts and pours the new crossover for builders has a service worth naming on its own.
Stobie poles, pillars and what's underground. SA Power Networks lists "relocate a Stobie pole for a new driveway" and moving a pit or pillar out of a driveway among the jobs that need an asset relocation offer. The customer applies through its portal and pays the amount set out in the offer letter, and an upfront fee for preparing the letter may apply. Its guidance on working around electricity infrastructure also says to get underground asset information through Before You Dig Australia before any excavation. One line on your driveway page saying who arranges what keeps an owner from expecting you to move a pole on the day.
Reactive clay, and how we work. The University of Adelaide describes South Australia as renowned for highly reactive soils; its researchers recorded shrinkage cracks up to 40 mm wide and a metre deep at one Adelaide site, and report that the depth of soil movement their model estimated, 3.8 metres, was close to the four metres recommended for Adelaide residential construction. Slab design on ground like that is the engineer's job, so your slab page should say you pour to the engineer's design rather than suggesting you design it. We're at Ste 3/110 Hutt St in the city. Most projects run by phone and email, which suits people on site all day, and a meeting can be arranged if you'd rather talk it through first.