Kalkallo Building
Inspections
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Slab pre-pour inspection in Kalkallo

Beams, steel, chairs, pods and plumbing on a Kalkallo slab, checked against the engineer's design while it can still be changed.

  • The day before concrete, steel and pods all in
  • About 1 hour on site
  • Report within 24 hours
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Fully licensed & accredited

Stage2 of 7
When to bookThe day before concrete, steel and pods all in
Time on siteAbout 1 hour on site
Inspected againstAS 2870, AS 3600, NCC Part 3.2, the engineer's slab design and the soil report

What is included in a Kalkallo slab pre-pour inspection

  • Top bars and beam steel against the engineering
  • Lap lengths for bars and mesh
  • Bar chairs spacing and height
  • Concrete cover at sides and base
  • Waffle pods fixed and evenly spaced
  • Edge and internal beam sizes
  • Vapour barrier laps and taping
  • Plumbing pipes capped and sleeved
  • Shower and garage set-downs formed
  • Formwork straight and braced
  • Reinforcement clean of mud
  • Bar ends and pickets capped
  • Termite components in place before concrete
  • Debris removed from the slab
Why it matters here

Slab pre-pour inspections on Kalkallo builds

The Gilgai plain that Kalkallo sits on is shrink and swell clay country, so the slab carries real load from ground movement. Missing top bars, short cover and loose pods are the items that change how the beams perform, and we keep finding them on Kalkallo decks.

What we find at this stage in Kalkallo

  • Top bars from the drawings not yet installed
  • Concrete cover short where steel touches formwork
  • Bar chairs too sparse to hold the mesh up
  • Waffle pods loose and able to move
  • Pipe ends uncapped and open to debris
  • Bar ends and pickets left uncapped
The engineer's lapping detail, setting the minimum overlap for each bar size, Kalkallo
The engineer's lapping detail, setting the minimum overlap for each bar size
Formwork boards out of line, needing bracing so the slab edge pours straight, Kalkallo
Formwork boards out of line, needing bracing so the slab edge pours straight
Shower set-down not yet formed in the slab ahead of the pour, Kalkallo
Shower set-down not yet formed in the slab ahead of the pour
Sample findings

Sample defects found during our slab pre-pour inspections in Kalkallo

Annotated findings from Slab pre-pour inspections.

Extra top bar shown on the engineering drawings not yet tied into the beam, found during a slab pre-pour inspection in Kalkallo
Extra top bar shown on the engineering drawings not yet tied into the beam
Steel sitting too close to the formwork, leaving less concrete cover than required, found during a slab pre-pour inspection in Kalkallo
Steel sitting too close to the formwork, leaving less concrete cover than required
Waffle pods loose and unfixed, so beam widths could shift during the pour, found during a slab pre-pour inspection in Kalkallo
Waffle pods loose and unfixed, so beam widths could shift during the pour
Star pickets and reo bar ends left uncapped, an impalement risk on the deck, found during a slab pre-pour inspection in Kalkallo
Star pickets and reo bar ends left uncapped, an impalement risk on the deck

The other stages of a Kalkallo build

  1. Bored piers inspection in Kalkallo1Bored piersWhile the holes are open, before concrete arrives
  2. Frame inspection in Kalkallo3FrameTrusses fixed, before wrap and roof covering
  3. Lock-up (pre-plaster) inspection in Kalkallo4Lock-up (pre-plaster)Roof, windows and brickwork done, before plaster
  4. Fixing inspection in Kalkallo5FixingPlaster, doors and cabinets fitted, before paint
  5. Waterproofing inspection in Kalkallo6WaterproofingMembrane cured, before the tiler starts
  6. Pre-handover (PCI) inspection in Kalkallo7Pre-handover (PCI)At practical completion, days before handover

All construction stage inspections in Kalkallo →

Guides

Construction stage guides for Kalkallo

All guides →

Book a slab pre-pour inspection in Kalkallo

Instant online pricing, or talk to the booking team on 1300 471 805.

FAQ

Slab pre-pour inspections in Kalkallo: common questions

Why does the slab matter so much in Kalkallo?

Reactive clay moves with the seasons. The beams and their steel are what resist that movement, so they need to match the engineering exactly.

What gets checked before the pour?

Beam depths and widths, steel size, laps and top bars, bar chairs and cover, pods, vapour barrier, set-downs, plumbing and termite components.

Will the pour be delayed?

Most findings take an hour or two for the trades to fix. Whether the pour moves is up to the builder.

Is there any way to check the steel once concrete is down?

Not the steel and beams. Once concrete is in, only the surface can be seen.

Which standard applies?

AS 2870 and the National Construction Code, read with the engineering and soil report for your lot.

Can I be there?

Yes, with the supervisor's agreement. It is a good stage to see because everything is open.

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