OFTEC Oil Pipework and Supply Systems 3

Question 1

Which certificate does a registered OFTEC technician issue to confirm that a new oil heating installation complies with Building Regulations?

Accepted Answer

OFTEC Certificate CD10

Answer

A registered OFTEC technician issues a CD10 certificate for new oil-fired system installations, which self-certifies compliance with Building Regulations under the competent persons scheme.

Question 2

What is the primary purpose of a fuel filter in an oil supply line?

Accepted Answer

To remove water and particulates from the oil before it reaches the burner pump

Answer

The fuel filter removes water and particulates from the oil supply, protecting the burner pump and nozzle from wear, damage, and blockage.

Question 3

Where should a fuel filter be positioned in the oil supply pipework?

Accepted Answer

Between the fire valve and the burner pump inlet

Answer

The fuel filter should be positioned between the fire valve and the burner pump to clean the oil before it reaches the pump while ensuring the fire valve remains upstream and able to shut off the supply.

Question 4

For buried oil pipework in corrosive soils, what protection is recommended?

Accepted Answer

The pipe should be coated with bitumen or encased in a protective conduit sleeve

Answer

In corrosive soils, buried oil supply pipework should be protected with bitumen coating or enclosed in a conduit sleeve to prevent corrosive attack from acidic or waterlogged ground conditions.

Question 5

What immediate action must be taken if an oil leak is discovered in underground oil supply pipework?

Accepted Answer

Isolate the fuel supply immediately and excavate to repair or replace the damaged section

Answer

If an oil leak is found in underground pipework, the fuel supply must be isolated immediately and the damaged section excavated and repaired or replaced to prevent environmental contamination of soil and groundwater.

OFTEC Practice Test

OFTEC Practice Test

OFTEC Oil Pipework and Supply Systems 3