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Automatic Tank Cleaning

Automatic Tank Cleaning. MI SWACO Liam Docherty – Sales Engineer Katie Leel – Sales Lead Steven Smith - CEC. Agenda. Tank cleaning methods Confined space discussion Automatic Tank Cleaning Q & A. Tank Cleaning Methods. CSE. CSE. Manual Tank Cleaning. Health & Safety risks:

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Automatic Tank Cleaning

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  1. Automatic Tank Cleaning MI SWACO Liam Docherty – Sales Engineer Katie Leel – Sales Lead Steven Smith - CEC

  2. Agenda Tank cleaning methods Confined space discussion Automatic Tank Cleaning Q & A

  3. Tank Cleaning Methods CSE CSE

  4. Manual Tank Cleaning • Health & Safety risks: • Confined Space Entry • Labour intensive • Large Crew size • Chemical / Toxic Environments • Time Consuming • Scaffolding (if required)

  5. Confined Space HSE Definition……. “A confined space is a place which is substantially enclosed (though not always entirely), and where serious injury can occur from hazardous substances or conditions within the space or nearby (e.g. lack of oxygen)” Multiple CSE Risks: • Oxygen deficiency • Toxic gases, fumes, vapors, dust • Activation of equipment • Engulfment • Temperature • Working at heights

  6. IOGP Data/ Stats Fatality to Lost Time Injury Ratios The IOGP previously reported how the ratio between fatalities and lost time injuries can be used to identify higher risk categories and activities. For some activities and categories of incident, when something goes wrong, people may be almost as likely to be killed as they are to be injured. • From the 15 IOGP incident types, the relative numbers of fatalities and LWDC are of continuing concern: • Transport – Air • Water related, drowning • Confined space

  7. 2017 CSE related fatalities (IOGP)

  8. Fully Automatic Tank Cleaning • Mobile containerised unit • Reduces or Eliminates CSE • Tank cleaning on offshore rigs and supply boats • Water Recycling system • Waste reduction up to 95% • Reduces cleaning time up to 90%

  9. Deck/Bulkhead penetrations PN150 or PN250 Flange Most commonly used Cover blind flange Temporary installation Permanent Installation Permanent or Temporary installation

  10. ATC – HSE features Manual Cleaning: 100% ATC ATC 30 m3 ATC 10 m3 90 % Reduction 75 % Reduction 60 % Reduction Manual Cleaning: 100 m3 Manual Cleaning: 120 m3 ATC: Typically reduced by up to 90% depending on tank Geometry it can be Eliminated Manual Cleaning

  11. ATC VAC • Self Sufficient system: • ATC Unit • Wash Water Recycling unit • Vacuum system • High pressure washer • Air Compressor • Pumps, Hoses • Tank Cleaning Machines

  12. Offshore – Platform Case Study UKCS “During this job 16 pits were cleaned using MI SWACO ATC technology. All pits were cleaned to a high specification with a considerable reduction in cleaning time and slop generation – all without the need for confined space entry which was a key factor as it can be extremely difficult to meet the isolation and permit requirements of a platform…” 90 % reduction 100 % reduction 56 % reduction 216 hrs 21 hrs 216 hrs 0 hrs 16 m3 7 m3

  13. Offshore – Semi Sub UKCS PBLJ – North Sea ATC Technology Cuts Clean-Up Time in Half Hours spent in confined space entry decreased by 77% 2,800 bbl column tank – Split into 8 separate compartments Riser deck to tank 394 ft [120 m] Vertical to main deck 105 ft [32 m] Washwater required 65 bbl Barite solids removed 47.6 ton

  14. Onshore – PSV cleaning Boat Cleaning • Several Vessel cleaning trials conducted in UK • Permanent installation would be required to optimise ATC • Complete elimination of CSE on vessels using ATC has been achieved in Norwegian Sector • Collaboration of many parties • Focus on CSE elimination over reduction in time CSE

  15. Q & A

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