SSPC GUIDE 6-2015 GUIDE FOR CONTAINING SURFACE PREPARATION DEBRIS GENERATED DURING PAINT REMOVAL OPERATIONS.pdf
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1、SSPC-Guide 6May 4, 20151SSPC: The Society for Protective CoatingsTechnology Guide No. 6GUIDE FOR CONTAINING SURFACE PREPARATION DEBRIS GENERATED DURING PAINT REMOVAL OPERATIONS1. SCOPE1.1 This guide describes methods of paint removal, containment systems, and procedures for minimizing or preventing
2、emissions from escaping the work area, and procedures for assessing the adequacy of the controls over emissions.1.2 The containment systems are categorized in up to four classes per type of paint removal method, based on the extent to which emissions are controlled.1.3 This guide is primarily intend
3、ed for use with steel structures; however, some of the methods and materials may be suited for use on concrete, aluminum, wood, or other materials of construction.1.4 This guide is intended for use by facility owners, specifiers, designers, and contractors. It may also be used by other interested pa
4、rties.1.5 A discussion of ventilation is included in the guide to assist users in both controlling emissions to the environment, and in enhancing worker protection and visibility within the containment. It is important to recognize that ventilation systems alone may or may not be sufficient to fully
5、 protect workers when the paint being removed contains lead or other toxic metals, and additional work practice and/or administrative controls and respiratory protection may be required to control worker exposures. Requirements or evaluation methods for worker health and safety are outside the scope
6、 of this guide. Note: When toxic metals are referenced in the Guide, lead is often used as the example. This should not be construed to imply that lead is the only toxic metal contained in paints or abrasives, or that lead is the only toxic metal addressed in regulations. A number of toxic metals ma
7、y be present in paint and abrasives, and regulations are available to address many of them.2. DESCRIPTION AND DEFINITIONS2.1 GENERAL: During surface preparation, airborne particulate and debris from the removal of paint (particularly paints containing lead, cadmium, and chromate pigments) can contam
8、inate the air, soil, and water surrounding work sites. The potential environmental hazards are reduced by minimizing or eliminating the airborne particulate, and by containing and collecting the debris. Controlling airborne particulate and other emissions may be necessary to comply with federal, sta
9、te, and local regulations.2.2 OUTLINE OF GUIDE2.2.1 Procedures Included in this guide: Selecting Methods of Surface Preparation and Debris Collection (Section 4.1) Specifying Containment Systems (Section 4.2) Selecting Methods for Assessing the Quantity of Emissions (Section 4.3) Implementing Contai
10、nment Project (Section 4.4)2.2.2 The guide also includes descriptions and commentaries on: Methods of Coating Removal (Section 5.1) Methods of Collecting Debris (Section 5.2) Containment Enclosure Components (Section 5.3) Ventilation System Components (Section 5.4) Methods for Assessing Quantity of
11、Emissions (Section 5.5)2.3 DEFINITIONS2.3.1 Action Level for Lead: Employee exposure, without regard to the use of respirators, to an airborne concentration of lead of 30 micrograms per cubic meter of air (30 g/m3) calculated as an eight-hour TWA per OSHA General Industry Standard 29 CFR 1910.1025 a
12、nd OSHA Construction Industry Standard 29 CFR 1926.62. 2.3.2 Containment System: A containment system includes the cover panels, screens, tarps, scaffolds, supports, and shrouds used to enclose an entire work area or a paint removal tool. The purpose is to minimize or prevent the debris generated du
13、ring surface preparation from entering into the environment, and to facilitate the controlled collection of the debris for disposal. Containment systems may also employ the use of ground covers or water booms.2.3.3 Emissions: When used in this guide, emissions from the containment that require contr
14、ol include airborne plumes of material, as well as spills or leaks of water, abrasive, paint chips, and debris.2.3.3 Ventilation System: Ventilation systems include both natural ventilation and mechanical ventilation (fans, SSPC-Guide 6May 4, 20152hoods, and duct work), to provide air movement acros
15、s the work area, and dust collectors to clean the discharged air.2.3.4 PM-10: Particulate matter (dust) less than 10 micrometers (0.39 mils) in aerodynamic equivalent diameter. (Aerodynamic equivalent diameter is defined as the diameter of a unit density sphere having the same settling velocity as t
16、he particle in question, regardless of its shape and density.) 2.3.5 Permissible Exposure Limit (PEL) for Lead: Maximum allowable employee average exposure per OSHA General Industry Standard 29 CFR 1910.1025 and OSHA Construction Industry Standard 29 CFR 1926.62.2.3.6 Time Weighted Average (TWA): Co
17、ncentrations of airborne toxic materials that have been weighted for a certain time duration, usually eight hours.2.3.7 Impenetrable: Impervious to dust and wind.2.3.8 Impermeable: Impervious to water. 3. REFERENCED DOCUMENTS3.1 The latest issue, revision, or amendment of the referenced standards in
18、 effect on the date of invitation to bid shall govern, unless otherwise specified. Standards marked with an asterisk (*) are referenced only in the Notes, which are not requirements of this specification.3.2 If there is a conflict between the requirements of any of the cited referenced standards and
19、 this specification, the requirements of this specification shall prevail.NOTE: New governmental regulations or amendments to existing ones become effective as scheduled by the governmental agency, independent of the date of bid.3.3 SSPC: THE SOCIETY FOR PROTECTIVE COATINGSAB 2 Specification for Cle
20、anliness of Recycled Ferrous Metallic Abrasives Guide 7 Guide for the Disposal of Lead-Contaminated Surface Preparation DebrisGuide 16 Guide to Selection of Dust CollectorsGuide 18 Specifiers Guide for Determining Containment Class and Environmental Monitoring Strategies for Lead-Paint Removal Proje
21、ctsTU 7 Conducting Ambient Air, Soil, and Water Sampling During Surface Preparation and Paint Disturbance Activities3.4 U. S. CODE OF FEDERAL REGULATIONS:129 CFR 1926.57 Safety and Health Regulations for Construction, Subpart D Occu-pational Health and Environmental Controls (Ventilation)29 CFR 1926
22、.62 Safety and Health Regulations for Construction, Subpart D Occupational Health and Environmental Controls (Lead)29 CFR 1910.1025 Occupational Safety and Health Standards Subpart Z Toxic and Hazardous Substances (Lead) 3.5 AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS:2* Industrial Ven
23、tilation A Manual of Recommended Practice3.6 AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI):3* ANSI Z9.2 (1979) Fundamentals Governing the Design and Operation of Local Exhaust Systems* ANSI Z9.2 (2001) Fundamentals Governing the Design and Operation of Exhaust Systems* ANSI/AIHA Z9.4 (1997) Exhaust S
24、ystems - Abrasive Blasting Operations Venti-lation and Safe Practice 3.7 NATIONAL FIRE PROTECTION ASSOCIATION4NFPA 701 Standard Methods of Fire Tests for Flame Propagation of Textiles and Films4. PROCEDURES4.1 SELECTING METHODS OF SURFACE PREPARATION AND DEBRIS COLLECTION4.1.1 Surface Preparation Me
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