Rechercher

Specifies requirements for spectacle filters and protectors within the spectral region 0,2 to 1000 micron. The work, which was staggered over several years, represents a basic study for which a majority consensus was reached at the international level. To take account of new developments and knowledge relating to lasers a revision of this standard will be undertaken.

1. Scope 1.1 This Standard covers procedures for the measurement of airborne sound originating from industrial equipment in the working environment rather than in a standardized environment. 1.2 This Standard describes the following three procedures: (a) A procedure for determining the A-weighted sound levels at representative points around the equipment (see Clause 5); (b) A…

1. Scope 1.1 General 1.1.1 This Standard outlines the safety precautions to be observed and procedures to be used before, during, and after demolition operations to provide for the safety of the public, workers, and property. 1.1.2 Demolition procedures for both systematic and rapid progressive failure methods are described. Particular emphasis is given to areas of known concern…

1. Scope 1.1 This Standard applies to add-on heat pumps for comfort heating or heating and cooling not exceeding 20 kW in the cooling mode and rated at 600 V or less, single or polyphase, intended to utilize the fan assemblies and duct work of the existing installed furnaces to form the complete functional systems where the existing parts are not covered by this Standard. Note: For…

1. Scope 1.1 General 1.1.1 This Standard establishes minimum requirements for the design, construction, installation, operation, inspection, testing, alteration, and maintenance of permanently installed manlifts for the vertical transportation of authorized personnel and, where applicable, their tools and equipment. 1.1.2 This Standard does not apply to: (a) mine hoists; (b) hoists for…

1. SCOPE 1.1 This standard applies to inorganic zinc coating for use on steel superstructures, decks and hulls of vessels, bridges, towers, off-shore drilling rigs, tank linings and reconditioned equipment. 1.2 For detailed information on the intended uses of this coating see par. 8.2.

Specifies the main fixing dimensions for interchangeable shovels designed to fit tines which conform to a type specified in this standard. applies to the lower portion of tines for fixing of various types of shovels having a working width of up to 400 mm. The following fixing types are specified: type 1 - one hole; - type 2 - two holes; type 3 - two holes, heavy type.

Applies to all kinds of written documents, for example manuscripts, printed works, books, journal articles, directions for use and standards. Numbering of divisions and subdivisions is advocated if this - clarifies the sequence, importance and interrelation of individual divisions and subdivisions; - simplifies search and retrieval of certain passages in the text; - makes possible the citation of…

1. Scope 1.1 This standard provides recommended course guidelines for the minimum essential training of, and a procedure for the certification of three levles of personnel to perform industrial radiography according to generally accepted and recognized procedures and techniques. 1.2 Such certification shall provide recognition of the qualifications and…

1. Scope 1.1 This Standard covers hollow building and facing brick made from clay, shale, fireclay, or mixtures thereof and burned for use in brick masonry. 1.2 This Standard excludes ceramic or other glazed brick. Brick to be treated with water-repellent materials must qualify under this Standard prior to such application. Note: For information regarding workmanship, see Appendix A.