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发表于 2016-7-21 01:10:34 | 只看该作者 回帖奖励 |正序浏览 |阅读模式
Licensed Work NNLW

All non licensed work needs to be carried out with the proper controls in place. However, for many types of work , employers must meet additional requirements. It all depends on the form of work you are likely to do, the material you're going to work on and its particular condition. Identifying the kind of asbestos containing material (ACM) to get worked on and assessing its condition are essential parts of your risk assessment, which needs to be completed before you begin work.

First, evaluate if the work is licensable or not.

If the effort is not licensable, then you definately need to evaluate cheap oakleys if it is NNLW. To accomplish this you must consider:

The type of work you are planning to do

Maintenance eg drilling holes to attach fittings or pass cables through, painting, cleaning etc. Maintenance includes some removal where it can be incidental for the main task, eg removing an asbestos ceiling tile to allow inspection.

Removal eg as part of a refurbishment or redesign project.

Encapsulation eg work to enclose or seal asbestos materials in good condition.

Air monitoring and control, as well as the collection and analysis of samples.

Is it friable?Friable means easily crumbled or reduced to powder. So the more friable a fabric is, the much more likely it will release asbestos fibres oakley sunglasses wholesale when labored on and the greater the risk of exposure. Work which disturbs more friable materials, eg asbestos pipe insulation, will tend to be NNLW and work which disturbs minimal friable materials, eg asbestos cement, can usually be treated as non licensed work.

How firmly will be the asbestos bonded inside a matrix? (For removal work only). Bonded inside a matrix means the asbestos is coated, covered or contained within another material, for example cement, paint or plastic. ACMs of this type in good oakley holbrook condition can usually be treated as non licensed work. However where they're significantly damaged, so more likely to release fibres, they're going to need to be treated as NNLW.

Has got the material been damaged or possibly it in poor condition? Removal of ACMs in poor condition eg on account of flood or fire damage, will usually need cheap ray ban aviators to be treated as NNLW.

Will the materials' matrix be destroyed when labored on? eg deteriorating textured decorative coatings eg 'Artex' with gel or steam to get rid of it, will usually need to treated as NNLW.

asbestos cement products (eg roof sheeting) the place that the material has become substantially damaged or finished (eg because of fire or flood damage)

asbestos cement products (eg roof sheeting) the place that the removal activity would mean that the material is going to be substantially split up, creating significant sums of dust and debris (eg 'dropping' an asbestos cement roof)

asbestos paper and cardboard products if not firmly bonded inside a matrix

Examples of non licensed assist asbestos

of asbestos cement products, (eg roof sheeting and rainwater goods) provided the information is carefully handled/removed acquiring to break up; for example work with asbestos cement that's weathered however, not otherwise substantially damaged

of small regions of textured decorative coatings using suitable dust reducing methods, to guide other activities such as installation/replacement of smoke alarms and light fittings

without deterioration, of textured decorative coatings (eg if your backing board is carefully cut around to accomplish virtually intact removal)

and re attachment of loosely fixed (eg screwed) asbestos insulating board (AIB) panels to be able to gain access to areas for other maintenance activities (eg under a bath to carry out pipework maintenance, and access to a ceiling void for repair of lighting)

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