This unit of competency supports the attainment of the understanding and skills to assess timber-framed designs for one and two storey buildings, assess timber-framed designs, select structural members and identify and rectify faults within the context of relevant legislation, the BCA and Australian standards.

Nil

ELEMENT

PERFORMANCE CRITERIA

1. Assess plans and specifications for size, span and spacing of structural members required in ceiling and roof framing.

1.1. Access is obtained to relevant plans, specifications and documentation related to structural members required in ceiling and roof framing for required building categories.

1.2. Specified timber species and stress grading are identified.

1.3. True length of common rafter and overhand and economical size of common rafter are determined to support specified roof structure and covering.

1.4. Maximum span of common rafter is determined.

1.5. Position, location and direction of struts and strutting beams to support roof and ceiling loads are determined and documented.

1.6. Method of support at hip and valley rafters is determined and documented.

1.7. Location, direction and span of ceiling joists and hanging beams to support specified roof design are determined and documented.

1.8. Nominated member sizes, spans, spacings and locations are listed, documented and checked for accuracy against plans and specifications.

2. Assess plans and specifications for permanent wind bracing requirements for nominated design gust wind speeds.

2.1. Access is obtained to relevant plans, specifications and documentation for assessment of timber-framed designs.

2.2. Location and category of building site is identified against design gust wind speed calculations.

2.3. Wind directions are selected and noted on plans.

2.4. Type and number of bracing units for each wind direction are selected.

2.5. Bracing details and description are documented, based upon calculations.

3. Assess plans and specifications for size, span and spacings of structural members for timber wall frames.

3.1. Access is obtained to relevant plans, specifications and documentation.

3.2. Specified timber species and stress grading are identified.

3.3. Roof load width for walls supporting ceiling and roof structures for a specified roof covering is determined.

3.4. Economical size for common wall studs is determined.

3.5. Size of top and bottom wall plates is determined according to load bearing conditions.

3.6. Size of studs at side window and door opening is determined.

3.7. Size of lintels to nominated openings is determined.

3.8. Size of timber posts and beams supporting overhands is determined.

3.9. Nominated member sizes, spans, spacings and locations are identified, listed, documented and checked against plans and specifications for accuracy.

4. Assess plans and specifications for size, span and spacing of structural members for timber stumps, floor bearers and joists.

4.1. Access is obtained to relevant plans, specifications and documentation.

4.2. Specified timber species and stress grading are identified.

4.3. Economical size for floor bearer and joist to suit maximum spans and spacings is determined.

4.4. Size of timber stumps and footing type and size required to support structural members are determined.

4.5. Size for timber trimmers, working and trimming joists for stair opening to suit maximum spans and spacings is determined.

4.6. Location, direction and span of bearers and joists to support specified structure are determined.

4.7. Nominated member sizes, spans, spacings, direction and bracings are identified, listed, documented and checked for accuracy against plans and specifications.

Required skills

Required skills for this unit are:

ability to respond to change and contribute to workplace responsibilities, such as current work site environmental and sustainability frameworks or management systems

communication skills to:

enable clear and direct communication, using questioning to identify and confirm requirements, share information, listen and understand

read and interpret:

plans and specifications

other relevant documentation

use language and concepts appropriate to cultural differences

use and interpret non-verbal communication

written skills to record mathematical information

numeracy skills to apply measurements and calculations

planning and organisational skills to collect, organise and analyse information

technological skills to:

complete documentation and calculations

enable information gathering and analysis.

Required knowledge

Required knowledge for this unit is:

authorities and powers of a building surveyor

behaviour of structural members undergoing stress, strain, compression, bending or combined actions

grading processes and grade markings used to categorise timber and timber products

manufactured timber framing systems

nature of timber and effect of physiology and timber pests on its performance

processes for the administration and preparation of documentation

processes for the application of wind force, raking forces, and bracing and tie down systems

processes for the interpretation of reports, working drawings and specifications

relevant federal, state or territory legislation and local government policy and procedures

research methods

structural, design and construction principles of buildings, including the application of timber in buildings.

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.

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 provide evidence of the ability to:

comply with OHS regulations applicable to workplace operations

apply organisational management policies and procedures, including quality assurance requirements where appropriate

assess timber-framed designs, evaluate plans and specifications, and identify faults; select structural members for roofs, ceilings, walls, floors and stumps relating to performance and the associated reporting of data, findings, recommendations and rectification strategies for at least one building project of up to two storeys or equivalent in compliance with relevant legislation

provide reports to appropriate body/individual as determined by the project brief.

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:

an induction procedure and requirement

realistic tasks or simulated tasks covering the mandatory task requirements

relevant specifications and work instructions

tools and equipment appropriate to applying safe work practices

support materials appropriate to activity

workplace instructions relating to safe work practices and addressing hazards and emergencies

material safety data sheets

research resources, including industry related systems information.

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:

satisfy the endorsed Assessment Guidelines of the Construction, Plumbing and Services Training Package

include direct observation of tasks in real or simulated work conditions, with questioning to confirm the ability to consistently identify and correctly interpret the essential underpinning knowledge required for practical application

reinforce the integration of employability skills with workplace tasks and job roles

confirm that competency is verified and able to be transferred to other circumstances and environments.

Validity and sufficiency of evidence requires that:

competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace

where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice, with a decision on competency only taken at the point when the assessor has complete confidence in the person's demonstrated ability and applied knowledge

all assessment that is part of a structured learning experience must include a combination of direct, indirect and supplementary evidence.

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.

Guidance information for assessment

This unit could be assessed on its own or in combination with other units relevant to the job function, for example:

CPCCSV5001A Assess the construction of domestic scale buildings

CPCCSV5006A Assess construction faults in residential buildings.

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.

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.

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.

Structural members required in ceiling and roof framing:

includes evaluation and identification of structural members used in:

ceiling and roof framing

floor bearer and joist installing

timber stumping

timber wall framing

suitable for the building design in compliance with:

BCA

design specifications

legislative requirements

maintenance specifications

relevant legislation.

Building categories include:

all timber-framed domestic scale buildings up to and including two storeys.

Assessment of timber-framed designs:

includes the identification and recording and reporting of faults, in accordance with workplace providers, in verbal or written format

timber-framed designs include:

floor framing, such as loose set single storey timber structures and two storey suspended upper floor level construction

overhang framing with soffits and eaves, attached carport, attached veranda and attached patio

roof framing, such as skillion, gable, hip and valley and cathedral

wall framing of various sizes, bracing locations and tie downs.

Unit sector

Construction

Nil

This unit contains employability skills.