Industrial Bund Cleaning Services

Industrial bund cleaning removes liquid, sediment and residues from the secondary containment around tanks and process equipment. The work can restore usable containment space and expose surfaces that were hidden by deposits. Its scope depends on the stored product, the material already in the bund and the condition of the lining.

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Industrial Bund Cleaning Services enquiry

Water, product and settled material

A bund can contain several layers: rainwater above settled solids, traces of the stored product on the surface, or thicker residue around the tank supports. These materials may need different recovery arrangements. Water from a bund should not be assumed suitable for discharge simply because it looks clean. Its origin, possible contamination and the applicable site permissions need checking before deciding whether it can be discharged lawfully or must be collected as waste.

Operating records and information about leaks or previous spills help establish what may be present. Where the contents are uncertain, sampling and waste classification can form a separate part of the scope. The quantity to be removed also matters: depth at one low point does not describe the whole floor.

Worker in protective clothing and a respirator cleaning a tank interior.

Bund contents and containment surfaces

The liquid can contain traces of the stored product, while heavier sediment collects at low points and around supports.

Recovery and access

Bund contents are identified and recovered without assuming a drain is an acceptable disposal route.

Cleaning the floor, walls and difficult corners

Emptying the liquid and cleaning the containment surfaces are separate stages. Low-level suction may recover accessible liquid while leaving a deposit behind a pipe support. Washing can loosen that deposit, but the wash water then becomes part of the material requiring recovery.

The lining, joints and penetrations influence the cleaning method. A pressure or chemical treatment suitable for bare concrete may be unsuitable for a coating. Drawings, maintenance records and accessible trial areas help define what can be treated without turning cleaning into an unplanned lining repair.

Bund wall cleaning includes the agreed internal surfaces, rather than automatically including the tank exterior or interior. Those boundaries are useful when comparing quotations and deciding whether adjacent equipment needs separate work.

Access around an operating installation

Tanks, valves and pipework can divide the bund into small working areas. The plan needs to account for access to each area, the route for recovery hoses and equipment, and the effect on nearby operations. Work beside connected plant may require coordinated isolation or a shutdown window.

A cleaning scope should identify areas that remain inaccessible. A photograph of a clean open floor does not establish that the space beneath a tank or behind every support has been reached. Recording those limitations gives a more useful maintenance history.

Open access manway in the wall of a steel storage tank.

Discuss bund cleaning

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Containment inspection after cleaning

Removed deposits can reveal damaged joints, coating loss or evidence of a leak. These observations can inform a subsequent integrity assessment. They are different from a test showing that a bund will hold its design volume or remain liquid-tight.

The oil storage guidance for businesses in England and Wales explains secondary containment requirements for installations within its scope. The applicable storage requirements and the cleaning specification should be considered separately.

An agreed record of the work

A useful completion record identifies the bund, surfaces included, material recovered and areas not reached. Before-and-after photographs can make the extent of cleaning easier to understand when their viewpoint and location are recorded.

Waste description, quantity and destination information support the collection record. The required documents depend on the material and route. These details also help compare repeat visits: the same deposit returning quickly may justify an investigation of its source rather than simply a shorter cleaning interval.

Technical questions

Martyn is our technical spokesperson, with particular knowledge of tank cleaning, septic tanks and drainage.

Industrial Bund Cleaning Services: common questions

Does bund emptying include the tank interior?

No. The bund contains potential spills outside the tank. Cleaning inside the tank is a separate task with its own access and scope.

Can cleaning establish that a bund is watertight?

It can expose surfaces for inspection, but integrity testing and capacity assessment are separate from removal of liquid and residue.

What affects the cost of bund cleaning?

The quantity and nature of the contents, access restrictions, lining compatibility, waste route and extent of surface cleaning all affect the scope.