General requirements

0752 CARPENTRY CLASSIFICATION

07521 Post Truss and Rafter

Trusses and rafters shall be fabricated from eucalyptus or other equivalent posts complying with Specification 07421. Trusses and rafter shall be fabricated as detailed in drawings.

Members shall be spliced where necessary, securely nailed to each other and tied with mild steel bands at all joints.
Trusses and rafters shall be securely tied to supports detailed on drawings. Where no details are shown, 6 or 8mm diameter mild round steel tie bars embedded in, welded to or tied around support shall be used to tie truss and rafter secure in position.
07522 Purlins

Purlins shall be produced from eucalyptus or other equivalent posts complying with Specification 07421.

Purlins shall be in the sizes shown in drawings. The splices of purlins at joints shall be minimum 600mm where no details are shown in drawings.
Members shall be securely nailed to trusses and rafters.