OFTEC Oil Storage Tank Regulations 6

Question 1

What should be checked during a periodic inspection of an oil storage tank?

Accepted Answer

Tank condition, base integrity, pipework, bund, vent, gauge, and fire valve operation

Answer

A comprehensive inspection covers: tank shell condition (cracks, corrosion, UV damage), base integrity, all pipework and joints, bund condition, vent pipe, contents gauge, fire valve, filters, and general site condition.

Question 2

What is the key environmental risk from oil tank leaks?

Accepted Answer

Contamination of soil and groundwater which is extremely difficult and expensive to remediate

Answer

Oil contamination of soil and groundwater is extremely serious. Even small leaks can contaminate private water supplies and watercourses. Remediation can cost tens of thousands of pounds and cause long-term environmental damage.

Question 3

What is the OFTEC recommendation for the condition and maintenance of an existing oil tank?

Accepted Answer

Annual visual inspection by the homeowner and professional assessment during the boiler service

Answer

OFTEC recommends the homeowner visually checks the tank regularly and that the technician inspects the complete tank installation during the annual boiler service. This proactive approach catches problems before they become emergencies.

Question 4

What is the typical lifespan of a plastic (polyethylene) oil storage tank?

Accepted Answer

Approximately 10-20 years depending on UV exposure and conditions

Answer

Plastic oil tanks typically last 10-20 years. UV degradation, weathering, and ground conditions affect lifespan. Tanks should be regularly inspected and replaced when showing signs of degradation such as cracking, bulging, or discolouration.

Question 5

What must an OFTEC registered technician do after installing or replacing an oil tank?

Accepted Answer

Notify Building Control through the OFTEC registration scheme and issue a commissioning certificate

Answer

OFTEC registered technicians can self-certify oil tank installations under the Competent Persons Scheme, notifying Building Control on behalf of the householder. A commissioning certificate confirming compliance must be issued.

OFTEC Practice Test

OFTEC Practice Test

OFTEC Oil Storage Tank Regulations 6