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Elements and Performance Criteria

1. Prepare and plan for gap crossing
   • Requirement is received, understood and confirmed with higher authority as necessary.
   • Resource availability and serviceability is identified and constraints are determined.
   • Site survey, risk and environmental assessment are conducted.
   • Suitable bridge design is selected based on site survey and available resources.
   • Construction/dismantle plan is developed in accordance with design, resources, risks and environmental considerations.
   • Problems that cannot be resolved locally are referred to higher authority for resolution.
   • Competence of team members is confirmed and monitored.
   • Construction team is briefed in accordance with standard procedures.
   • Outside agencies are liaised with as required.
2. Work health and safety (WHS) requirements and recognised safety precautions are applied throughout the operation in accordance with standard procedures.
3. Construct gap crossing
   • Construction team is directed and supervised in accordance with construction plan.
   • All unexpected situations that require a quick and decisive response are recognised and responded to in accordance with operational requirements and standard procedures.
   • Checks are completed for security, alignment and stability.
   • Support from outside agencies is organised and directed.
   • Technical advice is provided to higher authority or support agencies.
   • Gap crossing site and gap crossing are maintained in accordance with standard procedures.
4. Dismantle gap crossing and refurbish site and equipment
   • Construction team is directed and supervised in accordance with dismantle plan.
   • Gap crossing equipment, tools and materials are recovered, cleaned and maintained.
   • Gap crossing equipment, tools and materials are either stored or redeployed to another site in accordance with standard procedures.
   • Site is refurbished in accordance with environmental requirements.
   • Documentation is completed in accordance with standard procedures.
   • Post activity analysis is conducted and subsequent recommendations are made in accordance with standard procedures.

Required Skills

This describes the essential skills and knowledge and their level required for this unit

Required Skills

command and control skills manage resources operate optical levelling and surveying devices personal communications skills produce detailed designplans produce detailed written and verbal reports record and process data and information take and record accurate measurements

Required Knowledge

anchorages booming procedures and centre of gravity duration of bridge use temporary or permanent equipment bridge design featuresrequirements site requirements reconnaissance location gap width depth obstacles etc current and direction angle of repose abutment design or enhancement soils testing and compaction methods routes inout parts specifications user manual material handling equipment requirements and support construction sequence designed trafficload MLCtonnage above ground or surface stepped abutment equipment bridge types medium girder bridge MGB air portable bridge APB rapid emplacement bridge REB line of communication bridge LOC bailey bridge acrow bridge FMB jacking system legal responsibilities mathematics to a level necessary to meet all design and construction requirements relevant legislation and procedures in relation to civil construction and environmental requirements relevant WHS regulationsrequirements equipment material and personal safety requirements types of bridge category single span multi span simply supported or continuous variations in construction sequences restricted sites floating piers multiple piers

Evidence Required

Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessment must confirm the ability to lead a team to construct maintain and dismantle a multi span bridging of not less than metres made from modularised or improvised means Consistency in performance Competency should be demonstrated over time and across a range of simulated or actual workplace situations that allows for the construction of multispan bridging under a range of field conditions
Context of and specific resources for assessment	Context of assessment Competency should be assessed in the workplace or in a simulated work environment Assessment need only be completed once due to the high cost and complex nature of the task Specific resources for assessment Access to construction equipment and materials communications equipment a suitable site and a construction team

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Range Statement

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 in the Performance Criteria is detailed below.
Site survey may include:	gap assessment (measurements, profiling, soil tests, California bearing ratio, angle of repose of banks, routes in and out, etc) reconnaissance underwater inspection for obstacles water current measurement
Resources may include:	construction materials equipment bridge (medium girder bridge, line of communication bridge, floating support bridge, bailey bridge, air portable bridge, acrow bridge) tools vehicles
Standard procedures may include:	Australian Standards job guides, pamphlets and other publications manufacturers' handbooks, industry specifications and technical instructions WHS regulations organisational policies and procedures relevant local government by-laws relevant state or federal legislation or regulations written and verbal orders and job instructions
Maintenance may include:	drainage inspections repair traffic control
Documentation may include:	construction documentation (design and construction plan) environmental compliance equipment documentation maintenance records

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