IGPU Pit Lid Assembly

Appraisal number ST-1107-TT
Issued
Last updated 8 Apr 2026
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Description

Cast steel lid and a surrounding cast steel support frame, which is supported around its perimeter on the side walls of the pit.

  • CO = 423 mm
  • Test block = 240 mm x 240 mm (square)
  • Applied serviceability load: 600 kN
  • Max. permanent set: 0.14 mm (permissible 1 mm)
  • Max. deflection: 6.3 mm (permissible 9.6 mm)
  • Applied ultimate limit state load: 900 kN
  • No visible damage
  • Passed test 

Building Code and Standards

AS 3996-2006

Report holder details

J&D McLennan Ltd

warehouse
PO Box 30087, Lower Hutt, New Zealand