CPCCCA3009 – Construct advanced roofs

by Shital Tattapure | Apr 3, 2025

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CPCCCA3009 – Construct advanced roofs

Course Content

Lesson Content

0% Complete 0/6 Steps

Read and interpret work instructions and plan sequence of work.

Plan all work to comply with laws and regulations, the NCC, Australian Standards, WHS and environmental requirements, manufacturers’ specifications, workplace requirements, drawings, and specifications.

Select tools and equipment, check for serviceability and report any faults.

Select and use PPE for each part of the task.

Inspect work site, locate services, assess hazards, and apply risk controls, including required signage and barricades.

Select materials required for task, calculate quantities, handle safely, and prepare and position ready for use.

Lesson Content

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Hip and Valley Roofs

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Parts, Proportions and Definitions

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Planning the Roof Shape

Roof Plans and Elevations

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0% Complete 0/4 Steps

Common Solid Forms

Surface Development of Solid Shapes

Common Building Structure Surfaces

Structural Roof Members

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Centring Rafters

Crown End Rafters

Shortening Proportions for the Crown End Rafter

Preparing the External Corners

Methods Used to Establish Hip Length

Method 1: Scribing

Method 2: Measured in-situ

Method 3: Calculation

Determining the length of the first creeper

Creeper Rafters

Pattern Rafter Showing Creeper Positions – Method 1

Pattern Rafter Showing Creeper Positions – Method 2

Strutting to underside of purlins

Methods used to establish valley length

Valley Creepers

Lesson Content

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Geometric Bevel Development

Developing Bevels Geometrically

Plumb and Level bevel common rafter

Edge bevel creeper rafter

Edge bevel purlin

Plumb, Level and Edge bevel hip

Face bevel purlin

Developing Bevels on the Steel Square

Producing Bevels

Edge bevels for Creeper and Purlin

Plumb and Level bevel hip rafter

Edge bevel for hip

Face bevel purlin

Developing Bevels using the Direct Method

Method of Producing Bevels

Erection Procedure for the Hip Roof

Valley Boards and Gutters

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Clean up, meeting all legislative and workplace requirements for safety, waste disposal and materials handling.

Check, maintain and store tools and equipment and report any faults.