For small additions to buildings or for partitioning in commercial contracts, allow extra time to the give rate - up to 50% as required. Better to have more time than less.
For a feasibility study, your Carpentry breakdown is 45% labour, 55% materials and 0% fixed costs.
Ceiling joist
100mm x 50mm
150mm x 50mm
Ceiling Noggins/Dwangs
Ceiling Nog 100mm x 50mm
Ceiling Strapping
50mm x 25mm
100mm x 25mm
