Above Ground Oil Storage Tanks (PPG2)

8. Safe deliveries to your tank

All your tanks should be labelled with the capacity and type of oil they contain and should be individually numbered to help identify them.

Before you order an oil delivery:

  • check how much oil is in the tank,
  • work out the spare capacity,
  • decide how much oil you need but make sure you don’t over order.

Supervise all deliveries. Ensure that whoever is supervising the delivery knows about the tank, its equipment and what to do if there’s a spill. If you have more than one tank, make sure the correct tank is being filled. The Federation of Petroleum Suppliers (FPS) produces information on safe deliveries. For additional information, see Section 15.

If your tank is filled from a place where it is not practicable to see the tank and any vent pipe, it may need to have a remote fill point fitted. Where a tank has a remote filling point and the vent pipe can’t be seen during the filling operation you must have an automatic overfill prevention device fitted to your tank. We don’t recommend remote filling points unless there isn’t an alternative. Your registered, competent tank installer, (see Section 15) can advise you about standards required for remote fill points.

If your tank has a serviceable screw fitting or other fixed coupling, it must be used when filling the tank. Your fill point should have a lockable fill cap with a chain and be marked clearly with the product type, tank capacity and, where appropriate, tank number. Make sure the cap is replaced to the pipe after each delivery to protect if from damage and unauthorised use, (see Section 7b for more information on fill points).

Dealing with spillages
The area around your tank where deliveries are made and, if applicable, oil is dispensed should have an impermeable surface and be isolated from surface water drainage systems. This will prevent oil and/or contaminated water getting into the soil and groundwater. If any oil is spilt during an oil delivery, you should make sure that it can’t run into a surface water drainage system.

You should consider if you need a suitably sized oil separator to direct oily liquid away from surface waters and prevent oil escaping from your site. This will reduce the risk of any spilt oil causing pollution if there’s a spill. Also check with us to see if environmental sensitivities in your local area mean drainage from this area should pass through an oil separator of an approved design (see PPG 3: Reference 18).

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