Location: A Surfers Paradise High-Rise Construction Site, Gold Coast Australia

There is nothing more disappointing than stripping the formwork from columns or walls and discovering that there is absolutely no cover from the edge of the concrete to the reinforcement steel.

No Cover Concrete Column

Experienced formworkers will see this problem in advance and therefore ensure that the steel has the specified cover before closing up the formwork. This either means fixing it yourself, or organizing it to get fixed.

Obviously this is just another one of those dodgy high-rise construction projects on the Gold Coast where there is no quality control in place. Yes, there must be a Work Method statement in place, but it seems that on this job it is only good to wipe your arse with.

What is more disturbing to think about is how many of the columns on this 50+ storey appartment tower have the steel just 5mm under the surface of the concrete and therefore not detected? If it was not detected, is was probably never repaired.

Tip: before placing the Column Steel Cage onto the Column Starters, mark out all the columns on that floor in order to see in advance how much cover there is. Then, reposition any Starter Bars that are in the wrong position.

It is extremely rare to find Starter Steel in the correct position 100% of the time. Marking out the columns before the cage is placed will make it easier to reposition the starters into the correct position. In the long-run, this is quicker, cheaper and easier than making concrete repairs.