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Consequently, when using an angle grinder for repointing, it is essential to wear a respirator or use a dust-collection system. OSHA is moving toward requiring the use of dust-collection systems, but many of the dust-collection devices available for small grinders are unwieldy and obstruct the operator's view of the cutting blade and work surface.
• A description of engineering controls, work practices and respiratory protection used to protect employees • A list of housekeeping measures to limit employee exposure to silica dust Construction also includes: • Procedures to restrict access to work areas • Name of Designated, Competent Person
Developing a silica exposure control plan. Employers have a duty to protect their workers from silica dust exposure on construction projects. Studies show that when common construction work tasks involving the sanding, drilling, chipping, grinding, cutting, sawing, sweeping, and blasting of concrete and concrete products are conducted without using dust controls, workers are exposed to ...
respirator is useful for concrete grinding work Concrete Saw Cutting Videos - The Concrete... Watch videos on concrete saw cutting to learn when and why different types of concrete saws and blades are used.
Jan 15, 2010· In October 2008, Cal OSHA adopted a new regulation requiring the use of water or vacuum dust control systems with the use of power tools when cutting, coring, drilling or grinding concrete .
2427_3M_Selection_Guide_cover 6/5/05 3:52 PM Page 1. HOW TO USE How to use the Selection Guide 1 2 3 See ... colour tab 4 ALTERNATE SELECTION for the same kind of work & hazard Alternate Selection indicates suitable alternative respiratory protection product for work and hazard. For example 9310, ... grinding, sanding, or sawing Welding, metal ...
∆ Powerflow Plus™ Respirator 3M™ rtex cooler or V ortemp™ heater + 3M™ QRS headtop# Construction Respiratory Protection Selection Guide To help you select the correct 3M™ Respirator, please use the table below which has been designed to highlight a selection of the hazards you may encounter and the suggested 3M respirator.*
masks that are suitable for use in construction work will be marked to indicate that they conform to AS/NZS 1716 Respiratory Protective Devices and will contain information on the filter class (P1 or P2). Class P1 masks are intended for mechanically generated particles, and P2 masks for mechanically or thermally generated particles.
Concrete and other rock materials are cut, ground, and drilled every day. Construction workers worry about breathing the dust and how it will affect their health. ... techniques are used, and whether the dusty work is constant. If these features indicate ... On most construction sites the most commonly used respirator is a two-strap dust mask or
The protection factor of the half-face respirators used during this study is often assumed to be 10 (NIOSH, 1987; Revoir and Bien, 1997). Using the OSHA PEL, none of the subjects were overexposed to crystalline silica dust while wearing this type of respirator.
Always use the dust control system, and keep it well maintained. Do not use equipment if the dust control system is not working properly. Use equipment that provides water to the blade or grinder when sawing or grinding concrete or masonry. Be sure to only use blades and abrasive wheels that are rated as safe for use with water.
Queensland's construction industry has one of the largest groups of silica exposed workers in the state, and just because it has been a risk to workers for a long time does not mean it can be ignored. Silica can lead to lung diseases such as silicosis, lung cancer, obstructive lung disease, bronchitis, asthma and loss of respiratory volume.
Q&A: OSHA Regulations On Concrete Silica Dust. The U.S Department of Labor will start enforcing its new concrete silica dust ruling for construction on September 23, 2017 (moved from June 23, 2017). With those new OSHA regulations coming up, it's important to be up to date on all the new changes regarding the OSHA standards.
Nov 07, 2012· Respirators: Because What You Can't See Can Hurt You. ... It means that if you work with materials that contain silica and you work in an area where silica can become airborne – due to concrete cutting, grinding, coring, stoning, cement mixing and sweeping, or sandblasting – you need to wear a respirator. ... Sandblasting always requires ...
How to Choose a Respirator or Dust Mask Respirators and dust masks come in several styles and types. Home and garden projects frequently involve exposure to harmful chemicals and toxins – such as paint fumes, solvents, dust, adhesives, pesticides, and caustic cleaning products – not to mention the annual assault from pollen and allergens.
Toolbox Talk Number 041 30.10.12 Page | 1 Toolbox Talk Correct PPE to be worn when using Cutting/Grinding Tools In recent weeks we have received three escalations from third parties where our operatives have been seen not wearing the correct PPE when using cutting or grinding tools.
Silica—Cutting and grinding concrete • Use a respirator. An N95 filtering facepiece respirator (i.e., dust mask) may be appropriate when doing short-duration tasks, when local exhaust ventilation is available on tools, or when working outside. Otherwise, a more protective respirator is required. Minimum protection is a half-facepiece air ...
respirator is useful for concrete grinding work. respirator is useful for concrete grinding work. Chibang Industry & Technology Group Co., Ltd. is one high-tech enterprise, which involves R&D, production, sales and service as well.
Use water spray or misting systems to suppress dust. Keep the work material (eg concrete, engineered stone benchtops) wet while work is carried out on them (eg cutting, polishing, etc). Use on-tool water suppression systems to keep dust out of the air: Dry sweep work areas: Frequently hose down equipment and work areas with water
Concrete cutting and concrete grinding are very dusty jobs in the construction industry, both posing a serious health risk to masons. Masonry blocks, bricks, and concrete slabs contain concentrated amounts of crystalline silica. When these materials are dry-cut they release silica containing dust into the workers' breathing zone. Regular exposure to this hazardous dust can
This video can be a part of the OSHA-required respiratory protection training, which includes many topics, like how to put on and take off a respirator and how to use, clean, and maintain your respirator. Your employer must also provide you with worksite-specific training.
Aug 26, 2014· Note: Wearers of all the disposable and reusable respirators above should be fit tested. How can people find out more information? You can always give me a call on the 3M Health & Safety helpline on 0870 60 800 60 (UK) 1 800 320 500 (Ireland) and I will be happy to help answer any questions you may have.
Exposure Control Plan for Drilling/Grinding Concrete Drilling or grinding into concrete without proper dust controls can generate high levels of silicacontaining - dust. Breathing in this fine dust can cause a serious lung disease called silicosis, which is characterized by scarring and thickening of the lungs, and can result in death.
Written Respiratory Protection Program. Template & Guide Introduction. Respirators are used to protect employees from inhaling hazardous chemicals in the air. These chemicals can be in the form of gases, vapors, mists or dust.
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