Performance Solution Case Studies
Real performance solutions from our own files, anonymised. Each case study shows the NCC clauses involved, the problem, how we solved it and what we learned. Every report is prepared by a registered building surveyor and assessed against the relevant Performance Requirements.
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Existing stair 125 mm narrower than the accessible width
An existing stair to two new apartments measured 875 mm clear against the 1000 mm AS 1428.1 width. Targeted upgrades met D1P1 without rebuilding fire rated walls.
Sloping site townhouses: weepholes, ground fall and accessway gradients
A 6 metre fall across a 31 dwelling site squeezed weephole clearances, ground fall and accessway gradients. One performance solution report resolved all three under F3P1 and D1P1.