Measurement and Marking Out of Plumbing Materials

Know the hand tools and equipment used for measuring and marking out.

 Hand tools and equipment

•  tape measure
•  pencil
•  laser level
•  boat level

Know how each is used in plumbing marking out for pipework and fittings

• marking out pipe runs
• leveling sanitary fittings
• leveling sinks

Planning pipework

• reading drawn information
• evaluating proposed pipe routes
• revisions
• measuring lengths
• ensuring adequate falls available for drainage 
• consider access for maintenance

Assessment Criteria

• 1.1

  Describe how different hand tools and equipment are used for measuring and marking out plumbing.

• 1.2

  Describe how to follow design drawings for pipe routes from supply to the plumbing outlets.

Know safety and maintenance requirements for hand tools.

 Plumbing safety

•  using sharp tools and cutters
•  awareness of burrs on pipework
•  care with cutting
•  wearing PPE where required

Tools storage and maintenance

•  storage of tools with carry bag or toolbox
•  retention of knife blades in holder
•  maintenance of pipe cutter wheels, replace if blunt
•  maintenance of hacksaw blades
•  storage of gas canisters
•  care with blow lamps
•  keeping flux contained

Assessment Criteria

• 2.1

  Explain how to use the tools safely.

• 2.2

  Describe the maintenance requirements for hand tools.

• 2.3

  Give reasons why it is important to use and maintain hand tools correctly.

• 2.4

  Describe the precautions to be taken for hot working in plumbing operations.

Be able to measure and mark out components.

 Plumbing measurement demonstrate use of

•  metric and imperial measurements on a tape measure
•  spirit level to ensure plumbing fittings are horizontally fixed in place
•  use of a level for vertical components
•  use of a laser level for transferring levels around an area
•  marking for cutting
•  marking for pipe clips
•  marking for plumbing fittings

Assessment Criteria

• 3.1

  Use appropriate units of measurement to measure and mark out components using

  a) tape measure

  b) spirit level

  c) laser level

  d) marking pen/pencil

Know how to plan and estimate material requirements for an installation.

Plumbing materials

•  produce a requisition list for a range of plumbing tasks
•  produce a method statement for a plumbing installation
•  estimate the budget for a plumbing task for a client to include

                        - labour

                        - materials

                        - plant

• from given data

Assessment Criteria

• 4.1

  Identify materials required for given installations including pipework and fittings.

• 4.2

  Describe the procedures for measuring given installations and recording pipe sizes and positions.

• 4.3

  Produce a simple estimate of plumbing costs.

Be able to work safely and efficiently.

Plumbing working environments

• protection of a clients area and surfaces whilst plumbing
• cleaning down the working area
• disposal of waste materials
• handing over of instruction manuals and manufacturers data sheets for future reference

Assessment Criteria

• 5.1

  Clean and store tools in line with safe practice.

• 5.2

  During and following completion of task

  a) clean work area so that it is free from debris

  b) dispose of/recycle waste as appropriate.