Unit Assessment Document M/506/6756©MPQC July 2010

Unit Number / M/506/6756
Title / Dredge for Aggregates
Level / 3
Credit Value / 18
Learning outcomes:
The learner will: / Assessment criteria:
The learner can:
1. Be able to dredge for aggregates / 1.1 Verify that dredging equipment has been prepared and checked
1.2 Deploy dredging equipment
1.3 Start the dredging operation
1.4 Monitor performance against expectations at start up and throughout operations relating to:
  • Equipment performance
  • Production
  • Distribution
  • Aggregate quality
  • Trends
  • Location
1.5 Make adjustments to flow rates and distribution
1.6 Communicate progress of the operation to other personnel
1.7 Extract aggregate
1.8 Shut down equipment
1.9 Recover dredging equipment
1.10 Verify that dredging equipment has been secured and checked
1.11 Carry out all work activities in accordance with approved policies, procedures and practices (legal,
health & safety, environmental, organisational and operational) as appropriate to the work activity
2. Understand how to
dredge for aggregates / 2.1 List the constituent parts of dredging plant and equipment
2.2 State the checks required on dredging plant and equipment before, during and after use
2.3 Describe how to safely deploy dredging equipment to the correct position
2.4 State the hazards and risks associated with marine dredging for aggregates
2.5 Describe the dredging plant and equipment start up and operating procedures
2.6 State how to monitor dredging operations relating to:
  • Equipment performance
  • Production
  • Distribution
  • Product quality
  • Trends
  • Location
2.7 State the factors that can affect production rates
2.8 Describe how to optimise production rates
2.9 Explain how and why to adjust production and distribution
2.10 State how to identify extracted material quality
2.11 State the potential consequences of ineffectively monitoring and adjusting extraction to:
  • The individual responsible for monitoring and/or adjusting extraction
  • The organisation
  • The environment
  • The extracted product
  • The extraction operation
2.12 List the range of possible contaminants or other unintended extracted items, and explain
how todeal with them in relation to:
  • Dredged aggregates
  • Environmental
  • Archaeological
  • Ordnance
  • Wreckage
2.13 Describe the problems or emergencies that can occur during dredging operations
2.14 Describe the contingencies in the event of problems or emergencies
2.15 State the conditions that could curtail extraction operations
2.16 Describe the shutdown procedures in routine and emergency situations
2.17 State the actions to be taken in the event of plant and equipment breakdown
2.18 Describe how to secure recovered dredging equipment
2.19 Outline the operational communication methods
2.20 State the operational reporting structures
2.21 Describe the scope and limits of your personal responsibility along with the actions to be
taken in event of encountering problems beyond them
2.22 Describe key aspects of the approved policies, procedures and practices for the work
activity with specific reference to:
  • Legal requirements
  • Health & Safety requirements
  • Environmental requirements
  • Organisation requirements
  • Operational requirements

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