Asbestos Abatement >> Risk Assessment Of Asbestos Removal In Pennsylvani

This is a non-mandatory appendix to the asbestos standards for construction and for shipyards. It describes criteria and procedures for erecting and using negative pressure enclosures for Class I Asbestos Work, when NPEs are used as an allowable Risk Assessment Of Asbestos Removal In Pennsylvani  control method to comply with paragraph (g)(5)(i) of this section. 

Many small and variable details are involved in the erection of a negative pressure enclosure. OSHA and most Risk Assessment Of Asbestos Removal In Pennsylvani  participants in the rulemaking agreed that only the major, more performance oriented criteria should be made mandatory. These criteria are set out in paragraph (g) of this section. 

In addition, this appendix includes these mandatory specifications and procedures in its guidelines in order to make this appendix coherent and helpful. The mandatory nature of the Risk Assessment Of Asbestos Removal In Pennsylvani criteria which appear in the regulatory text is not changed because they are included in this "non-mandatory" appendix. 

Similarly, the additional criteria and procedures included as guidelines in the appendix, do not become mandatory because mandatory Risk Assessment Of Asbestos Removal In Pennsylvani criteria are also included in these comprehensive guidelines. In addition, none of the criteria, both mandatory and recommended, are meant to specify or imply the need for use of patented or licensed methods or equipment. 

Recommended specifications included in this attachment should not discourage the use of creative alternatives which can be shown to reliably achieve the objectives of negative-pressure Risk Assessment Of Asbestos Removal In Pennsylvani enclosures. Requirements included in this appendix, cover general provisions to be followed in all asbestos jobs.

Provisions which must be followed for all Class I asbestos jobs, and provisions governing the construction and testing of negative pressure enclosures. The first category includes the Risk Assessment Of Asbestos Removal In Pennsylvani requirement for use of wet methods, HEPA vacuums, and immediate bagging of waste; Class I work must conform to the following provisions.

Oversight by competent person use of critical Risk Assessment Of Asbestos Removal In Pennsylvani barriers over all openings to work area isolation of HVAC systems use of impermeable dropcloths and coverage of all objects within regulated areas In addition, more specific requirements for NPEs include: maintenance of -0.02 inches water gauge within enclosure.

Manometric measurements air movement  away from employees performing Risk Assessment Of Asbestos Removal In Pennsylvani removal work. Smoke testing or equivalent for detection of leaks and air direction deactivation of electrical circuits, if not provided with ground-fault circuit interrupters. Planning the Project The standard requires that an exposure assessment be conducted before the asbestos job is begun.

Information needed for that assessment, includes data relating to prior similar jobs, as applied to the specific variables of the current job. The information needed to conduct the assessment will be useful in planning the project, and in complying with any reporting Risk Assessment Of Asbestos Removal In Pennsylvani requirements under this standard.

When significant changes are being made to a control system listed in the Risk Assessment Of Asbestos Removal In Pennsylvani standard, [see also those of USEPA (40 CFR 61, subpart M). Thus, although the standard does not explicitly require the preparation of a written asbestos removal plan. The usual constituents of such a plan, i.e., a description of the enclosure and the equipment.

he procedures to be used throughout the project, must be determined before the enclosure can be erected. The following information should be included in the planning of the system: A physical Risk Assessment Of Asbestos Removal In Pennsylvani description of the work area; A description of the approximate amount of material to be removed; A schedule for turning off and sealing existing ventilation systems.

Personnel hygiene procedures; A description of personal protective equipment and clothing to be worn by employees; A description of the local exhaust ventilation systems to be used and how they are to be tested; A Risk Assessment Of Asbestos Removal In Pennsylvani description of work practices to be observed by employees; An air monitoring plan.

A description of the method to be used to transport waste material; and The location of the Risk Assessment Of Asbestos Removal In Pennsylvani dump site. Materials and Equipment Necessary for Asbestos Removal Although individual asbestos removal projects vary in terms of the equipment required to accomplish the removal of the materials, some equipment and materials are common to most asbestos removal operations. 

Plastic sheeting used to protect horizontal surfaces, seal HVAC openings or to seal vertical openings and ceilings should have a minimum thickness of 6 mils. Tape or other adhesive used to attach plastic sheeting should be of sufficient adhesive strength to support the weight of the Risk Assessment Of Asbestos Removal In Pennsylvani material.

All stresses encountered during the entire duration of the project without becoming detached from the surface. Other equipment and materials which should be available at the beginning of each project are: -- HEPA Filtered Vacuum is essential for cleaning the Risk Assessment Of Asbestos Removal In Pennsylvani work area after the asbestos has been removed. 

It should have a long hose capable of reaching out-of-the-way places, such as areas above ceiling tiles, behind pipes, etc. -- Portable air ventilation systems installed to provide the negative air pressure and air removal from the Risk Assessment Of Asbestos Removal In Pennsylvani enclosure must be equipped with a HEPA filter. 

The number and capacity of units required to ventilate an enclosure depend on the size of the area to be ventilated. The filters for these systems should be designed in such a manner that they can be replaced when the air flow volume is reduced by the build-up of dust in the Risk Assessment Of Asbestos Removal In Pennsylvani filtration material. 

Pressure monitoring devices with alarms and strip chart recorders attached to each system to indicate the pressure differential and the loss due to dust buildup on the filter are recommended. Water sprayers should be used to keep the asbestos material as saturated as possible during Risk Assessment Of Asbestos Removal In Pennsylvani removal.

he sprayers will provide a fine mist that minimizes the impact of the spray on the material. -- Water used to saturate the asbestos containing Risk Assessment Of Asbestos Removal In Pennsylvani material can be amended by adding at least 15 milliliters (1/4 ounce) of wetting agent in 1 liter (1 pint) of water. 

An example of a wetting agent is a 50/50 mixture of polyoxyethylene ether and polyoxyethylene polyglycol ester. -- Backup power supplies are recommended, especially for Risk Assessment Of Asbestos Removal In Pennsylvani ventilation systems. -- Shower and bath water should be with mixed hot and cold water faucets. 

Water that has been used to clean Risk Assessment Of Asbestos Removal In Pennsylvani personnel or equipment should either be filtered or be collected and discarded as asbestos waste. Soap and shampoo should be provided to aid in removing dust from the workers' skin and hair. 

See paragraphs (h) and (i) of this section for appropriate respiratory protection and protective clothing. -- See paragraph (k) of this Risk Assessment Of Asbestos Removal In Pennsylvani section for required signs and labels.

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