Erect Roof Trusses

Safe work method statement carpentry erection of roof trusses.

Erect roof trusses.

Wood trusses are very unstable until all of the bracing and roof sheathing are installed. The temporary braces will be removed as the roof sheathing is applied. The separated truss shall be assemble on platform at site before erection. Some bracing provides a way to put up the trusses evenly while holding them and other bracing supports them after they are put up.

In these situations roof truss erection meets the definition of hrcw within part 5 1 of the occupational health and. Platform should be prepared with level and measurement as per given in drawing to join the truss as one unit. Without bracing it is almost impossible to install trusses. The ends of a roof truss are connected at joints commonly referred to as nodes.

The erection of roof trusses may place employees at risk of falling from a height that is greater than 2m. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list add to list click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to your list. Fluctuating temperatures and humidity can stress the truss. Platform should be placed in crane reachable area.

Placing trusses onto housing frames using powered mobile plant such as a vehicle loading crane may also be required. A roof truss is a prefabricated frame comprising of one or more triangular units constructed between a bottom and top chord. Site measurement to be taken and truss length to be confirmed before truss assembly. Truss assembly on platform.

As strange as it sounds roof trusses are designed to move as a unit to maintain the structural integrity of the roof. In the photo you can see temporary stiff backs applied to each gable truss and temporary truss bracing applied along the trusses.