Contact Building and Energy
For licensing and technical enquiries
Contact us
Building and Energy general queries
Tel: 1300 489 099
Fax: (+618) 6251 1501
be.info@demirs.wa.gov.au
This bulletin is to provide information to builders, building surveyors, structural engineers and others involved in the design and installation of J-bolt/hook rod tie-down systems. In particular concerns regarding the improper use of 10mm diameter J-bolts based on investigation of lost roofs, laboratory testing and background research.
Last modified: