TUFFA TANKS 10000VBFS, Installation, Operation And Servicing Manual

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8. MAINTENANCE OF THE TUFFA TANKS
8.1 System maintenance tasks
Activity Frequency of
Task
Keep equipment in good working order by returning to its original position After every use
Visually inspect operation of gauge equipment Weekly
Visually inspect exterior condition of tank Monthly
Visually inspect condition of delivery hose Monthly
Physically check bund alarm by activating the float switch in bund cavity
(audible alarm)
3 Months
Check electrical cables and cable connection points 3 Months
Visually inspect and if required maintain the tank id plate and warning labels 3 Months
Check and replace filter if necessary 3-6 Months
Physically check fixings and bracket stability 6 Months
Visually inspect inner tank and bund cavity 6 Months
8.2 Inspection by competent person
Inspections should be undertaken by a competent person that is receiving a delivery of product
on every fill prior to and whilst filling.
This inspection should include:
• The fill point arrangement for soundness and leaks
• Any outlet valves should be checked for leaks and operation (open and close
successfully)
• The testing of contents gauge, any high level / overfill alarm and bund alarm.
• If vents can be seen that they are clear and unblocked and free of debris.
• A visual inspection around the tank with emphasis on the base of the tank. The
inspection for plastic tanks should include any deformation of the surface of the tank i.e.
excessive bulging, change in colour due to chemical attack, crazing or stress fractures. The
inspection of steel tanks should include looking for evidence of rust and heavy corrosion,
damp patches on seams & seam fractures.
• Bund to be visually inspected for soundness and integrity, water, spilt product, or other
debris.
8.3 Internal examination and cleaning
Internal examinations should be undertaken by a competent person at appropriate intervals,
as determined by the product used, and its cleanliness i.e. solids or water falling out of
suspension. Entry into confined spaces should be carefully planned and supervised and should
be subject to a strict procedures dependent on the substance stored, and in accordance with
HSE requirements.