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Loop bar warning

Last updated: 3 April 2018

A warning has been issued on the use of the loop bar details (that do not comply with NZS 3101 Concrete Structures Standard) in flange-hung, double-tee precast concrete flooring units.

This warning is due to concerns about the structural performance of the detail in earthquakes.

It relates to Building Code Clause B1 Structure.

This warning is issued from 3 April 2018.

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This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people:

with compliance with the Building Act, it is published under section 175 of the Building Act
with a Weathertight Services claim, it is published under section 12 of the Weathertight Homes Resolution Services Act 2006.

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