Some of the services available under this heading, are in fact far from general, being better described as highly specialised. These include 'pig tracking', caustic dosing of gas holders and water bath heater maintenance, inclusive of de-commissioning and re-commissioning.

• Water bath heater maintenance inclusive of:
• Decommissioning
• Recommissioning
• Purging

• Holder maintenance and repair
• Caustic dosing
• General maintenance

• Valve maintenance and commissioning

• Pipeline patrol