Modification History
Not Applicable
Unit Descriptor
Unit descriptor |
This unit specifies the outcomes required to assemble prepared components required for the assembly and installation of a timber stair to location. |
Application of the Unit
Application of the unit |
This unit of competency supports the achievement of skills and knowledge required to assemble stair components and install all types of timber stair construction, which may include working with others and as a member of a team. |
Licensing/Regulatory Information
Not Applicable
Pre-Requisites
Prerequisite units |
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CPCCOHS2001A |
Apply OHS requirements, policies and procedures in the construction industry |
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Employability Skills Information
Employability skills |
This unit contains employability skills. |
Elements and Performance Criteria Pre-Content
Elements describe the essential outcomes of a unit of competency. |
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the evidence guide. |
Elements and Performance Criteria
ELEMENT |
PERFORMANCE CRITERIA |
1. Plan and prepare. |
1.1. Work instructions and operational details are obtained using relevant information , confirmed and applied for planning and preparation purposes. 1.2. Safety (OHS ) requirements are followed in accordance with safety plans and policies. 1.3. Signage and barricade requirements are identified and implemented. 1.4. Tools and equipment selected to carry out tasks are consistent with job requirements, checked for serviceability and any faults are rectified or reported prior to commencement. 1.5. Material quantity requirements are calculated in accordance with plans, specifications and quality requirements . 1.6. Materials appropriate to the work application are identified, obtained, prepared, safely handled and located ready for use. 1.7. Environmental requirements are identified for the project in accordance with environmental plans and statutory and regulatory authority requirements, and are applied. |
2. Select and prepare materials and components. |
2.1. Methods of assembling erected stairs are identified and components checked for appropriate locations in stair structure. 2.2. Method of assembling and fixing are determined in accordance with stair design and location. |
3. Assemble strings and newels. |
3.1. Specific position for stairs is identified, measurements are checked and adjustments made where applicable. 3.2. Strings and newels are assembled to design and fixed to specification. 3.3. Strings to be fixed to walls are temporarily supported or directly fixed in position to specification. |
4. Install treads and risers. |
4.1. Assembled strings and newels are temporarily braced in vertical position. 4.2. Treads and risers about newels are fitted and fixed to assembly and flight is checked for true and square. 4.3. Intermediate treads and risers are fitted and wedged where applicable to fit tight to housings to specification. |
5. Assemble and install landings. |
5.1. Bearers, where applicable, and joists are fitted and fixed to level according to fixing specification. 5.2. Nosing and flooring are fitted and fixed to form landing to specified finish and fascia is fitted and fixed to landing according to finish specification. |
6. Install handrail and balustrade. |
6.1. Balusters/intermediate railing and handrails are fitted to form stair balustrade according to specification, with balusters checked to ensure plumb fit. 6.2. Newels are checked prior to final fixing to ensure plumb fit. 6.3. Handrailings are fitted and fixed to wall in accordance with specifications. |
7. Install spiral stair and curved strings. |
7.1. Location of stair and first step is accurately marked on floor and central post is erected into true position, fixed at floor and temporarily braced at top. 7.2. Initial string section is temporarily supported in place for assembly, and treads and risers are fitted and fixed into position to specification. 7.3. Stair is progressively developed with the extending, supporting and fixing of curved string, and completed with head secured to floor/landing, balustrade installed and central post fixed to specifications. |
8. Secure stair to structure and line spandril area. |
8.1. Securing of stair to building is carried out during/on completion of assembly. 8.2. Spandril, where applicable, is framed, lined and fixed out to specified finish. |
9. Clean up. |
9.1. Stair is checked, with marks removed and surfaces left to specified finish. 9.2. Area is cleared and waste material removed. 9.3. Glue blocks are fitted to treads and risers according to specified locations. 9.4. Tools and equipment are cleaned, maintained and stored. |
Required Skills and Knowledge
REQUIRED SKILLS AND KNOWLEDGE |
This section describes the skills and knowledge required for this unit. |
Required skills |
Required skills for this unit are:
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Required knowledge |
Required knowledge for this unit is:
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Evidence Guide
EVIDENCE GUIDE |
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The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package. |
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Overview of assessment |
This unit of competency could be assessed in the workplace or a close simulation of the workplace environment, provided that simulated or project-based assessment techniques fully replicate construction workplace conditions, materials, activities, responsibilities and procedures. |
Critical aspects for assessment and evidence required to demonstrate competency in this unit |
A person who demonstrates competency in this unit must be able to assemble and install a complete stair that includes flight and landing balustrades, providing evidence of the ability to:
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Context of and specific resources for assessment |
This competency is to be assessed using standard and authorised work practices, safety requirements and environmental constraints. Assessment of essential underpinning knowledge will usually be conducted in an off-site context. Assessment is to comply with relevant regulatory or Australian standards' requirements. Resource implications for assessment include:
Reasonable adjustments for people with disabilities must be made to assessment processes where required. This could include access to modified equipment and other physical resources, and the provision of appropriate assessment support. |
Method of assessment |
Assessment methods must:
Validity and sufficiency of evidence requires that:
Assessment processes and techniques should, as far as is practical, take into account the language, literacy and numeracy capacity of the candidate in relation to the competency being assessed. Supplementary evidence of competency may be obtained from relevant authenticated documentation from third parties, such as existing supervisors, team leaders or specialist training staff. |
Range Statement
RANGE STATEMENT |
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The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included. |
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Information includes: |
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Planning and preparation include: |
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Safety (OHS ) is to be in accordance with state and territory legislation and regulations and project safety plan and may include: |
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Tools and equipment include: |
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Quality requirements include: |
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Materials include: |
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Environmental requirements include: |
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Statutory and regulatory authority includes: |
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Components include: |
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Fixing includes: |
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Installed stairs may involve: |
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Unit Sector(s)
Unit sector |
Construction |
Co-requisite units
Co-requisite units |
Nil |
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Functional area
Functional area |