ASB5-lagging.pdf - HSE Web Communities

4 Details of job contʼd
General condition of asbestos materials Good Poor
The main type of asbestos
Chrysotile Crocidolite ✔ Amosite Other (please specify)
Lagging solid around valves, impact damage on straight section
✔
5 What combination of control measures will be used to reduce exposure as low as is reasonably practicable
✔
✔
PAS 60-1 controlled wet-strip equipment
Wrap and cut technique
Intact removal of whole AIB panels/tiles, etc
RPE
✔
✔
Shadow vacuuming
Enclosure of work under negative pressure
Decontamination procedures using an asbestos decontamination unit
Other - please describe
Lagged small section (c.2m length + associated valve) at 4m height. Boiler house to be treated as enclosure: fixed
items covered, area cleaned prior to work. Needle pattern as per method statement (2 lines of 10 needles at "2 o'clock"
and "10 o'clock"). Anticipate c. 6 - 8 hours to achieve sufficient wetting.
Space constraints in boiler room area: airlocks at top of stairs above boiler room - transit via rear yard. NPU rating =>
1000cfm, vented internally, reassurance air monitoring required. Additional trunking for roving head to eliminate dead
spots.
How will the work be supervised and monitored (Tick all issues that apply)
✔
✔
Viewing panels CCTV Enclosure entry Other (please specify)
Supervisor to be on site throughout job, entering enclosure (at minimum) to confirm sufficient wetting prior to removal.
CCTV. Senior management may visit as part of routing performance monitoring regime.
List the main non-asbestos risks associated with the work (see note 5)
Small tower scaffold required - erected by trained personnel.
Tripping hazards - trunking etc. to be managed by supervisor.
DCU in main yard - liaison with client & temp barriers to ensure no FLT activity near DCU / transit route
Size of job (area or volume) (see note 6)