Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

DEFDV016B Mapping and Delivery Guide
Perform underwater rigging work

Version 1.0
Issue Date: March 2024


Qualification -
Unit of Competency DEFDV016B - Perform underwater rigging work
Description This unit covers the competency required to complete underwater rigging work.The unit also includes securing and moving submerged loads through the employment of blocks and tackle, chains, slings, and cordage.The diver will be required to establish secure lift points, to set rigging equipment between the load and the lifting platform, and to control the conduct of the lift. Attention must be given to safety during the lift particularly with regard to other divers and nearby surface vessels and/or structures. Consideration must also be given to the environmental impact of any work undertaken.Note: This Unit of Competency relates, in part, to the existing standards of the Australian Diver Accreditation Scheme (ADAS). All information was correct at the time of development of this Unit of Competency; however, any diver seeking ADAS accreditation should consult ADAS and not rely on the information contained in this unit.
Employability Skills This unit contains employability skills.
Learning Outcomes and Application As agreed in the creation of this Training Package, applications for units transferred from the PUA00 Public Safety Training Package will be developed as part of continuous improvement plans, and taking into account the change in Unit of Competency format as detailed in templates for Streamlined Training Packages.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites DEFDV001B Dive using self contained underwater breathing apparatus in open water to 30 metres.
Competency Field
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities
Slides
PPT
Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Prepare for underwater rigging operation
  • Load metrics and worksite data are determined and analysed to determine the specific requirements for rigginggear.
  • Work plan is developed consistent with the dive plan.
  • Rigging gear is selected, inspected and prepared.
  • Rigging gear is secured safely to/from the dive site.
  • Access obstructions and other hazards are assessed and actionis taken toremove/reduce the risk.
       
Element: Lift and handle submerged objects using mechanical advantage
  • Lift points are established to secure the object to the lifting device.
  • Work-safe area is established and the location and safety of divers is confirmed prior to commencing the lift.
  • Lifting devices are operated within accepted load tolerances.
  • Raised objects are anchored off to allow associated work to be undertaken in safety.
       
Element: Conclude underwater rigging operations
  • Environmental impact arising from the work task is minimised and waste products are recovered.
  • Rigging gear is disassembled, de-serviced and stored after use.
  • Log books are completed.
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessment must confirm the ability to attend to personal and collective safety; and to consider the environmental impact as part of the dive plan.

Consistency in performance

Competency should be demonstrated during a physical rigging and lifting operation where the diver conducts the following lifts with mechanical devices:

1 x vertical lift to surface:

lift distance – at least 5 metres (object must breach surface)

depth – between 5 to 20 metres

weight – at least 250 k

Context of and specific resources for assessment

Context of assessment

Competency should be assessed in the ocean supported by questioning on shore or aboard vessels.

When practicable, assessment should relate to the diver’s vocational focus.

Specific resources for assessment

Access to a complete range of diving, safety and accessory equipment; and rigging equipment.


Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)


Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

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

Required Skills

check equipment

inspect equipment for serviceability and functionality

planning

rig equipment

Required Knowledge

determination of mass of submerged objects

dive equipment

dive physics

general occupational/diving safety awareness

marine hazards

oceanography

relevant references and Australian Standards

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.

Load metrics may include:

centre of gravity

composition

dimensions

lift points

weight

Worksite data may include:

depth

gradient

hazards

obstacles

Rigging gear may include:

air and hydraulic motors

blocks and tackle

bolts

chain hoist

chains

clamps

clocks and wedges

cradle timbers

equalising gear

eye bolts

feeler gauges

fibrous rope

fishplates

fixing brackets

jacks

karabiners and shackles

packers

puller systems

rigging screws

rollers

skates

skids

sliding shoes

slings

spreader beams

steel wire rope

turfers

turn buckles

winches

Selecting, inspecting and preparing rigging gear may include:

checking of test certificates

establishing end-brackets:

wedged end sockets

bulldog clips

eyed bolts

identifying load tolerances

testing functionality of:

karabiner and shackle hinge and sleeve checks

movement of blocks and tackle

start-up of air and hydraulic motors

Action to remove/reduce the risk may include:

erecting signage

using patrol/sentry craft

Lifting points may include:

single

multiple

Lifting devices include:

blocks and tackle

hydraulic/pneumatic lift

Operating liftingdevices may include:

lowering

raising

shifting laterally

Load tolerances may include:

safe working load (SWL)

working load limit (WLL)

Environmental impact may include:

contamination of surrounding water (e.g. leaking oil)

physical damage to reef and associated floor eco-systems (e.g. coral)

visual pollution of waste material (e.g. concrete and metal parts)

De-servicing may include:

coiling and cordage

drying

logging work details into equipment logs

oiling/greasing

washing in fresh water

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Load metrics and worksite data are determined and analysed to determine the specific requirements for rigginggear. 
Work plan is developed consistent with the dive plan. 
Rigging gear is selected, inspected and prepared. 
Rigging gear is secured safely to/from the dive site. 
Access obstructions and other hazards are assessed and actionis taken toremove/reduce the risk. 
Lift points are established to secure the object to the lifting device. 
Work-safe area is established and the location and safety of divers is confirmed prior to commencing the lift. 
Lifting devices are operated within accepted load tolerances. 
Raised objects are anchored off to allow associated work to be undertaken in safety. 
Environmental impact arising from the work task is minimised and waste products are recovered. 
Rigging gear is disassembled, de-serviced and stored after use. 
Log books are completed. 

Forms

Assessment Cover Sheet

DEFDV016B - Perform underwater rigging work
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:


Assessment Record Sheet

DEFDV016B - Perform underwater rigging work

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: