DeltaFireXTM Car Port System Revision 1-4 17 4 DeltaFireXTM Car Port System within 900 mm of a Site Boundary 4.1 Assessment Task Defined 4.1.1 Background This performance solution assesses the use of the DeltaFireXTM roofing system when used as a car port attached to a Class 1 building and positioned less than 900 mm from the allotment boundary. 4.1.2 Issue NCC 9.2.8 permits a Class 10a car port to be located within 900mm of the site boundary subject to compliance with the following: (a) The carport shall have two or more sides open and not less than one third of its perimeter open; and (b) For the purposes of (i), a side is considered to be open if the roof covering adjacent to that side is not less than 500 mm from another building or allotment boundary; and (c) The carport shall have a polycarbonate or non-combustible roof covering; and (d) Any ceiling lining and wall cladding, including gables, is non-combustible; and (e) The carport shall not provide direct support to any part of the Class 1 building; and (f) In the case where it has a common roof structure with the Class 1 building and the carport does not have a ceiling, the opening between the top of the wall of the Class 1 building and the underside of the roof covering is infilled with – (i) A non-combustible material; or (ii) Construction clad with non-combustible material on the car port side. This assessment will identify whether the DeltaFireXTM roofing system constitutes a non-combustible roof covering (or provides equivalent performance) in accordance with NCC 9.2.8(c) & (d).
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