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Sustainable Construction - Building & Construction Authority

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<strong>Sustainable</strong> <strong>Construction</strong> -<br />

Besides concrete encasement and concrete infill of hollow steel sections, there are other fire<br />

protection systems such as fire-rated boards, spray-on materials and intumescent paint to<br />

enhance the fire resistance of structural steel members.<br />

Fire-Rated Board Intumescent paint<br />

Is modification to a proprietary fire protection system allowed?<br />

Most of these fire protection systems are proprietary systems<br />

fire-tested in approved laboratories according to standards<br />

stipulated by the Relevant <strong>Authority</strong>, before they can be<br />

listed in the PLS.<br />

The fire tests are carried out on a mock-up that is built for the<br />

purpose of testing. Therefore the protection system applied<br />

at site must be similar to the set-up of the mock-up. For<br />

instance, the intumescent paint primer used at the site must<br />

be the same as the one used in the mock-up fire test.<br />

Hence, if the proprietary systems have to be modified to suit<br />

the project, the system has to be re-tested at an approved<br />

laboratory.<br />

42<br />

Mock-up of fire test

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