Common Plumbing Processes Mock 2

Common Plumbing Processes Mock 2

• Drilling timber floor joists: Requirements for drilling timber floor joists to accommodate water systems pipework can be found in the Water Regulations.

• PPE in Roof Spaces: When working in a roof space insulated with mineral wool, a plumber needs a dust mask for safety.

• Bathroom Suite Replacement: Before replacing a bathroom suite in an occupied dwelling, the plumber should make sure the customer's property in the immediate work area is protected, contact the local Water Regulations Inspector to arrange a visit for approval.

• Removing Cold Water Cisterns: To avoid damaging a customer's property when removing a cold water cistern from a roof space, a plumber should wrap the edges, seal outlets, and have the cistern professionally removed or disposed of by a removal company.

Boiler Installation

• Completion Items: User instructions, material delivery note, boiler installation template, and DIY servicing information should be left with the customer.

• Material Delivery: The supplier should provide the person receiving the materials with the delivery advice note, materials schedule, and invoice or copy of the order.

• Material Confirmation: Confirmation of the exact price of materials from a plumber's merchant is found on the invoice or quotation.

Multi-Dwelling Site Progress

• Progress Tracking: On a multi-dwelling site, plumbers can track the progress of other trades by referring to the work programme, Bill of Quantities, and Site Plan.

Sanitaryware Storage

• Secure Storage: The most secure method of storing sanitaryware prior to installation on site is using protective packaging up to a limited height and securely storing it in a locked storage space, protected from frost damage.

Gas Meter Leaks

• Leak Suspicion: When a plumber suspects a gas meter leak during a bathroom installation, they should contact the gas supplier and advise Gas Safe Register.

Copper Pipe Bending

• Pipe Length Calculation: To calculate the overall bend length of a 15 mm copper pipe with a 90° bend, use the formula (2 x pi x R) / 4, where R = bend radius(90mm).

• Pipe Sleeving: A pipe should always be sleeved where it passes through a brick wall, is located in the roof space, comes into contact with lead, or is laid in timber floor joists.

Pipe Jointing and Solder

• Copper Pipe Jointing: After cutting a copper pipe using a junior hack saw, clean the pipe end and use self-cleaning flux, then blow out any filings and ensure the inside/outside of the pipe end finish is properly de-burred.

• Low Carbon Steel Bending: To bend a 20 mm low carbon steel pipe, use a hydraulic press bender or stand bender.

Building Regulations and Notches

• Timber Notch Depth: The Building Regulations requirement for cutting the depth of notches in timber floor joists is 1/8 of the depth (D).

Notification and Maintenance

• Water Supply Shutdown: Before turning off the water supply to an occupied dwelling for maintenance, notify the customer and the Local Water Company.

• Bathroom Installation Disruption: To minimize disruptions to the customer during a bathroom suite replacement, install the WC suite or bidet first.

• Maintenance Contract Documents: To plan work activities on a long-term maintenance contract, a plumbing contractor uses the work programme, Bill of Quantities, Material Schedule and Installation Plan.

• Customer Documentation: Upon completion of long-term planned maintenance contracts, the customer should receive maintenance records, material invoices and the maintenance programme.

Electrical Issues and Safety

• Inadequate Bonding: When earth equipotential bonding is inadequate in an occupied dwelling, advise the customer, contact the Institute of Electrical Engineers (if necessary) and immediately turn off the electricity supply or notify the power supply company (if necessary).