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Asbestos Awareness Session. What is asbestos? Why is asbestos dangerous? Where is asbestos found in buildings? Am I at risk? What does the law require?. What is Asbestos?. Name given to a group of six fibrous minerals; Found naturally in many parts of the world;

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asbestos awareness session
Asbestos Awareness Session
  • What is asbestos?
  • Why is asbestos dangerous?
  • Where is asbestos found in buildings?
  • Am I at risk?
  • What does the law require?
what is asbestos
What is Asbestos?
  • Name given to a group of six fibrous minerals;
  • Found naturally in many parts of the world;
  • Produced mainly in Russia, Canada and China.
main types of asbestos
Main Types of Asbestos
  • Chrysotile (White)
  • Amosite (Brown)
  • Crocidolite (Blue)
why is asbestos dangerous
Why is Asbestos Dangerous?

Asbestos can cause:

  • Asbestosis;
  • Lung Cancer;
  • Mesothelioma.
additional health information
Additional Health Information
  • Asbestos-related diseases are currently responsible for about 3000 deaths a year;
  • These diseases can take from 15 to 60 years to develop from first exposure;
  • Many of those suffering today from asbestos-related diseases worked in the building maintenance trades.
lung cancer
Lung Cancer

Risk Factor

----------

1

----------

x5

----------

x11

----------

x53

Non smoker - Non asbestos worker

--------------------------------

Non smoker - Asbestos worker

--------------------------------

Smoker - Non asbestos worker

--------------------------------

Smoker - Asbestos worker

where is asbestos found in buildings
Where is asbestos found in buildings?
  • Loose asbestos;
  • Sprayed (limpet) asbestos;
  • Lagging;
  • Asbestos insulating board;
  • Asbestos cement products;
  • Other products.
how do i know if i am at risk
How do I know if I am at risk?
  • Identification of asbestos materials is not easy and you can only be sure if it has been tested by a specialist laboratory.
  • If you come across any hidden or dusty materials which you suspect may contain asbestos,STOP WORK AND GET ADVICE!
what does the law require 1
What does the law require? (1)
  • The Control of Asbestos at Work.
  • Approved Codes of Practice.
  • HSE Guidance
what does the law require 2
What does the law require? (2)

People in control of premises must:

  • Carry out a Survey;
  • Presume materials contain asbestos unless there is strong evidence that they do not;
  • Make and keep up to date a register;
  • Assess the risk from the ACM’s;
  • Prepare a plan
  • Provide information
types of survey
Types of survey
  • Management Survey;
  • Demolition / Refurbishment Survey;
assess the risk
Assess the risk
  • How likely is it that people will be exposed to asbestos fibres, consider:
  • The type of ACM;
  • How much ACM is present;
  • The condition of the ACM;
  • If the ACM is in a position where it is likely to be disturbed.
remove it or leave it 1
Remove it or leave it? (1)

If the asbestos is:

  • in good condition; and
  • is not likely to be damaged ; and
  • is not likely to be worked on or disturbed;
  • It is usually safer to leave it in place and manage it.
remove it or leave it 2
Remove it or leave it? (2)
  • If the asbestos is in poor condition or is likely to be damaged or disturbed a decision will have to be made about whether it should be repaired, sealed, enclosed or removed;
  • Work on asbestos insulation, asbestos insulating board and lagging, including sealing and removal should normally be done by a contractor licensed by the HSE.
recognising acm loose asbestos insulation
Recognising ACM - Loose Asbestos Insulation
  • In some fire doors
  • Acoustic insulation between floors
  • Packed around electrical cables
  • Thermal insulation mattresses
recognising acm sprayed asbestos coatings
Recognising ACM - Sprayed Asbestos Coatings
  • Loose asbestos mixed with Portland cement and water.
  • Sprayed onto ceilings as fireproofing, sound and thermal insulation.
  • Vulnerable to accidental damage.
  • 55%-85% asbestos content
recognising acm thermal insulation
Recognising ACM - Thermal Insulation
  • Used for the thermal insulation of pipes, boilers and heat exchangers.
  • Preformed sections covered with calico or sealed with a hard plaster.
  • Asbestos containing plaster known as `Muck` particularly for joints, bends or small sections of pipe and repairs.
recognising acm asbestos insulating board
Recognising ACM - Asbestos Insulating Board
  • Widely used in buildings for internal partition walls and linings;
  • Suspended ceiling tiles often made from AIB;
  • Fire doors often faced with AIB to achieve appropriate fire rating
  • Areas around lift shafts
  • Stairwells and service risers often lined or faced with AIB.
recognising acm asbestos papers felts and cardboard
Recognising ACM - Asbestos Papers, Felts and Cardboard
  • Widely used to line the surfaces of other boards, ceiling tiles, sheet materials and insulation.
recognising acm asbestos textiles
Recognising ACM - Asbestos Textiles
  • Tapes and ropes
  • Fire blankets
  • Fire curtains
  • Fire resistant clothing
  • Asbestos content in above items approaching 100%
recognising acm asbestos gaskets washers and strings
Recognising ACM - Asbestos Gaskets, Washers and Strings
  • Pipe and valve joint gaskets may contain up to 90% asbestos.
  • Asbestos string was widely used by plumbers for sealing screw threaded joints.
  • Strings and ropes can contain approaching 100% asbestos.
recognising acm asbestos cement
Recognising ACM - Asbestos Cement
  • Usually contains 10% - 15% asbestos fibres bound in Portland cement
  • Extensively used throughout the 20th century.
  • Corrugated / profile sheets.
  • Flat sheets used for both interior and exterior cladding.
  • Also used for rainwater goods, flue pipes, etc.
recognising acm plastics
Recognising ACM - Plastics
  • Floor Tiles
  • Step Nosings
  • Toilet Cisterns
  • Sink Pads
location of acm s at calderdale college
Location of ACM’s at Calderdale College
  • Plans are displayed on the wall in room C03 showing the locations of all known ACM’s.
  • The asbestos register (kept in room C06) gives detailed information about the ACM’s including photographs.
acm s still present in college buildings 1
ACM’s Still Present in College Buildings (1)
  • Asbestos insulation residue and debris in the under floor spaces on the Princess Mary Site.
  • Asbestos string securing insulation on pipes above suspended ceilings (various locations on PWC site).
  • Asbestos seal on science laboratory oven door.
  • Asbestos cement pipe F&G Floor ladies toilets.
  • Asbestos insulation board duct covers in the PWC North Stairway on A Floor and roof level.
  • There could be asbestos in old electrical fuse boxes.
acm s still present in college buildings 2
ACM’s Still Present in College Buildings (2)
  • Asbestos insulation board ceiling tiles at roof level of PWC North Stairway.
  • Asbestos containing vinyl floor tiles in store room by Library and in ADC tea room.
  • Asbestos containing panels to the outside of the ADC Offices / Bistro / Learning Zone 2.
  • Asbestos containing paper on pipe work in tank room on PWC roof.