Wood trusses are very unstable until all of the bracing and roof sheathing are installed.
Erect roof trusses.
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The separated truss shall be assemble on platform at site before erection.
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Platform should be prepared with level and measurement as per given in drawing to join the truss as one unit.
Truss assembly on platform.
Platform should be placed in crane reachable area.
In these situations roof truss erection meets the definition of hrcw within part 5 1 of the occupational health and.
As strange as it sounds roof trusses are designed to move as a unit to maintain the structural integrity of the roof.
Site measurement to be taken and truss length to be confirmed before truss assembly.
The temporary braces will be removed as the roof sheathing is applied.
The ends of a roof truss are connected at joints commonly referred to as nodes.
A roof truss is a prefabricated frame comprising of one or more triangular units constructed between a bottom and top chord.
Trusses form the roof line on buildings and provide support for the lumber that holds shingles or other form of roof cover.
The erection of roof trusses may place employees at risk of falling from a height that is greater than 2m.
Some bracing provides a way to put up the trusses evenly while holding them and other bracing supports them after they are put up.
Safe work method statement carpentry erection of roof trusses.
Placing trusses onto housing frames using powered mobile plant such as a vehicle loading crane may also be required.