23 Mar Gough Gough & Hamer
Date: March 2013
Client: Gough Gough & Hamer
Consultant: Structex Ltd
Contractor: Bushnell Builders Ltd
Floor Subcontractor: Conslab Ltd
PT Subcontractor: BBR Contech
Gough Gough & Hamer has been the Caterpillar dealer in New Zealand since 1932, offering a wide range of heavy machinery and engines. Engaged by the floor slab subcontractor Conslab Ltd BBR Contech designed, installed, stressed and grouted two post-tensioned slabs on grade for the new GGH Component Rebuild Centre at Branston Street, Hornby.
A PT slab on 15% CBR sub base was specified for the new 1,534m² Component Rebuild Centre which was designed at 185mm thick and constructed in 2 pours. The PT slab was designed to support 30.225T forklift axle loads and required BBR 406 Flat (4 x 15.2mm strand) tendons. The workshop floor slab is 1,150 m² stressed in both directions while the smaller washbay floor slab is 384m² stressed only in the longitudinal direction with reinforcing mesh covering the entire slab either side of a central drain.