08 Gezondheids- en werkplekaspecten
 >  Recognizing asbestos
Discussie > Discuss this with your colleagues!
  1. Asbestos is difficult to recognize.
  2. What should you do when you suspect that you have encountered asbestos during your work?
Introduction

Asbestos literally means indestructible and is a naturally occurring silicate material (stone) that occurs in various places throughout the world. It is fibrous and possesses a number of special properties.

  • Resistant to high temperatures and temperature fluctuations
  • Wear-resistant
  • Tension-resistant
  • Resistant to acids and lye, and microorganisms
  • Insulating
  • Non-conductive electrically
  • Durable and easy to process

Asbestos, in pure or mixed form, is found in many products: linoleum, hard plastic floor tiles, corrugated sheet, roofing slate, wallboard, asbestos cement plates, pipes and tubes, rope, packaging, spray asbestos, braking and friction materials, Christmas decorations, door handles, welding gloves, and more.

Nowadays, asbestos may no longer be used, because it is a proven carcinogenic. Asbestos is still found in many buildings or objects built prior to 1994, because asbestos was only banned starting in 1994. It is therefore important for you to know how to recognize asbestos so as to avoid exposure to asbestos fibres.

Asbestos has been incorporated into more than 3,500 products, of which the following are the best known:


Rain drains
Martinit sewer pipes
Flue gas exhausts
Tiled floors
Roofing tar paper
Risico's > What can happen?

When you inhale asbestos fibres, you can contract nasty diseases that often only emerge after a long time (10-30 years). It is therefore important for you to know how to recognize asbestos so as to keep exposure to asbestos fibres as low as possible. Generally speaking, asbestos is only released when a product is processed or treated.

Asbestos can enter your body in the following ways:

  • Through the skin
  • Through the digestive system
  • Through the respiratory tract

Asbestos is able to withstand water, acid and chemicals, and is tasteless and odourless.

Asbestos fibres can end up in your respiratory system and cause lung disease. Below is an overview of a number of illnesses:

  • Pleural plaques (thickening of the chest and lung membranes, impedes breathing)
  • Asbestosis or pneumoconiosis (lung damage, reduced oxygen intake, risk of heart problems due to decreased lung function)
  • Mesothelioma (cancer affecting the membranes in the chest cavity – caused by needle-like fibres)
  • Asbestos-related lung cancer (tumours in the lungs)

Non-bonded respirable fibres (small fibres) represent the greatest risk. When you encounter asbestos, immediately halt your work and report this to your supervisor.

White (Chrysotile)
Brown (Amosite)
Blue (Crocidolite)
Corrugated plates
Sewer pipes
Taking samples for asbestos investigation on public lands
Tips > agreements

The basic principle is that at Heijmans we do not work with asbestos. Only trained experts may work with asbestos. There are various experts for the following activities:

  • Asbestos in contaminated soil (BRL 2000 and 7000)
  • Asbestos cement pipes in public spaces (in accordance with AC Workplan)

In respect of asbestos in buildings and/or objects, removal or treatment is not permitted; this must be done by a company that has an Asbestos Removal Process certificate. When the building is older than 1994, we must always request an asbestos survey plan, which may not be older than three years. If necessary, there also must be an asbestos management plan.

If, despite the fact that the report proving that there is no asbestos present, you still come into contact with asbestos or you believe that there is asbestos present, you must report this to your supervisor.

For additional information: <<asbestos policy document>>

The AC Workplan replaces the red booklet – Bouwend Nederland



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