Elements and Performance Criteria

Legislation includes relevant sections of Federal and State OH&S and Environmental Protection Acts.
Inspection of safety equipment is through visual and mechanical checks.
Types of drawings include Site plans; elevations; sectional plans/elevations; detailed and specification providing illustrations and dimensions.
Key features of site plans may involve shape and orientation of site; proposed building/s; roads; railways; easements; existing buildings/structures; services; dimensions; geographical features; powerlines/transmission lines and heritage/cultural features; service layouts and bore/casing details.
Key features of plans and elevations may involve type of structure: shape of structure/building; service requirements; location of plant/equipment; vertical and horizontal measurements; clearance distance; geological features; service layouts and bore/casing details.
Types of structures include buildings; bridges; fabricated towers; fences; wells; dams; poles; heritage/cultural features and environmental barriers
Services may include Drainage; sewerage; gas; water; electricity and telecommunications.
Types of details include but are not limited to bore and casing details; ground voltages; connection details; common trenching details/distances and conversions details.
Environmental features include but are not limited to fauna/flora habitats; cultural features; heritage features; water catchments.
Orientation of the site includes Relationship to 'North'; currency of plan and relationship between plan and site.

Critical aspects of evidence
Demonstrate an identification and understanding of various types of plans, drawings and specifications; identification of dimensions, symbols, abbreviations and key features; identification of title panel and reference date as up to date copies of the drawings; indicate a sound understanding of the purpose of specifications
Context of assessment
Assessment of competency including attainment of relevant knowledge and skills may be made through practical demonstration in an actual work environment or simulation of such an environment.
Specialised resources required for training and assessment
The following resources should be made available: suitable range of plans, drawings and specifications
Pre-requisites and co-requisites
This unit should be assessed in conjunction with or after competency has been demonstrated in Unit NGS001 A, Apply Procedures in the Workplace, Unit NGS002 A, Working with Others, Unit NGS003 A, Plan and Organise Work Activities, Unit NGS301 A, Construct and Lay Pipelines, Unit NGS302 A, Prepare and Excavate Site and Unit NGS318 A, Use and Maintain Small Plant, Equipment and Tools and Carry-out Minor Mechanical Maintenance.
Knowledge and Skills
The Evidence Guide is a set of guidelines which assist in the development of assessment instruments/tools to assess the competency of workers in the Gas Industry. This requires evidence of consistent achievement of the workplace outcomes covered by this Unit.
A range of drawings; materials relative to drawings/specifications; measurement and calculations; symbols, dimensions and terminology
Read and interpret plans, drawings and specifications; measure accurately and communicate effectively.