W504 – Asbestos removal – Case studies

Case study 1 – Asbestos rope removal – gas production platform

• Removal of asbestos rope insulation from pipework on gas production platform

• Asbestos content of rope – contains approximately 95 – 100% chrysotile

• Comment on procedures adopted

Case study 2 – Removal of asbestos

insulating board riser panels

• Removal of asbestos insulating board riser duct panels from block of flats in London

• Asbestos content of insulating board – approximately 20% amosite

• Comment on procedures adopted

Removal of asbestos insulating board ceiling panels • Asbestos insulating board panels (contain approximately

20% amosite) to be removed from a school site

• How would you expect the work to be undertaken?

• Consider the following:• Work program• Removal techniques• Controls to prevent spread of asbestos• Decontamination procedures • Clearance certification• Any other issues

Removal of asbestos insulation from under floor duct• Asbestos sectional pipe insulation (contains approximately

40% chrysotile) to be removed from a hospital site

• How would you expect the work to be undertaken?

• Consider the following:• Work program• Removal techniques• Controls to prevent spread of asbestos• Decontamination procedures • Clearance certification• Health and safety issues• Any other issues

Removal of asbestos spray coating, asbestos insulating board and asbestos cement sheeting

• Asbestos spray coating to high level beams (contains approximately 90% amosite)

• Asbestos insulating board panels as internal wall panels (contains approximately 20% amosite)

• Asbestos cement external sheet (contains approximately 10% chrysotile)

• All above to be removed from a large warehouse

• How would you expect the work to be undertaken? Consider the following:

• Work program• Removal techniques• Controls to prevent spread of asbestos• Decontamination procedures • Clearance certification• Any other issues