NCC 2019 Volume One
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Schedule 6 Fire hazard properties

Schedule 6 Fire hazard properties

1. Scope

This Schedule sets out the procedures for determining the fire hazard properties of assemblies tested to AS/NZS 1530.3.

2. Assemblies

2.1 General requirement

The fire hazard properties of assemblies and their ability to screen their core materials as required under Specification C1.10 must be determined by testing in accordance with this Clause.

2.2 Form of test

Tests must be carried out in accordance with—

(a)

for the determination of the Spread-of-Flame Index and Smoke-Developed Index — AS/NZS 1530.3; and

(b)

for the determination of the ability to prevent ignition and to screen its core material from free air — AS 1530.4.

2.3 Test specimens

Test specimens must incorporate—

(a)

all types of joints; and

(b)

all types of perforations, recesses or the like for pipes, light switches or other fittings, which are proposed to be used for the member or assembly of members in the building.

2.4 Concession

Clause 2.3 does not apply to joints, perforations, recesses or the like that are larger than those in the proposed application and have already been tested in the particular form of construction concerned and found to comply with the conditions of the test.

2.5 Smaller specimen permitted

A testing laboratory may carry out the test specified in Clause 2.2(b) at pilot scale if a specimen (which must be not less than 900 mm x 900 mm) will adequately represent the proposed construction in the building, but the results of that test do not apply to construction larger than limits defined by the laboratory conducting the pilot examination.