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1.1 These requirements cover the following devices intended for installation and operation on horizontal and vertically opening hoistway doors and gates and car doors and gates in accordance with the requirements of ASME A17.1/CSA B44: a) Hoistway Door Interlocks; b) Hoistway Door Closed...
5.1 This standard is intended for use by researchers and designers to assess the stability of articulating concrete block (ACB) revetment systems in order to achieve stable hydraulic performance under the erosive force of flowing water. 5.2 An articulating concrete block system is comprised of a...
5.1 An articulating concrete block revetment system is comprised of a matrix of individual concrete blocks placed together to form an erosion-resistant revetment with specific hydraulic performance characteristics. The system includes a filter layer compatible with the subsoil which allows...
This specification is intended for interlocking concrete pavers used in the construction of paved surfaces and manufactured from cementitious materials, aggregates, chemical admixtures, and other constituents such as integral water repellents. The specification also offers guidelines for...
1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. Methods are provided for sampling, measurement of dimensions, compressive strength, absorption, unit weight (density), moisture content,...
This specification covers the requirements for sacrificial anodes of zinc alloy in the form of slabs, plates, discs, and rods for corrosion protection (cathodic protection) of metals and alloys. These anodes are primarily intended to reduce corrosion of surface ship and submarine hulls, steel and...
4.1 The trapezoid tearing load is a tension test in which the test strength is determined primarily by the interlocking structure of the fibers. It is useful for estimating relative ease of tearing of leather. 4.2 The procedure can also be used to determine if there is any appreciable...
This specification covers commercial food processors intended for bench, table, or floor mounting. Types: type I - this machine shall have a hopper of the continuous, manual-feed type, and type II - this machine shall have a closed-bowl type of hopper. Classes: class 1 - table- or bench-mounted...
3.1 This specification provides designers and manufacturers of electric propulsion for light sport aircraft design references and criteria to use in designing and manufacturing EPUs. 3.2 Declaration of compliance is based on testing and documentation during the design, ground testing and flight...
1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. Methods are provided for sampling, measurement of dimensions, compressive strength, absorption, unit weight (density), moisture content,...
1.1 This test method evaluates the resistance to freezing and thawing of solid interlocking concrete paving units conforming to the dimensional requirements of Specification C936/C936M. Units are tested in a test solution that is either tap water or 3?% saline solution, depending on the...
4.1 Corrugated and solid fiberboard boxes, sleeves, and liners are used to unitize products into packages of size and shape suitable for manual or mechanical handling and to protect the contents against environmental, handling, shipping, and storage conditions. 4.2 This practice covers some of the...
1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. Methods are provided for sampling, measurement of dimensions, compressive strength, absorption, unit weight (density), moisture content,...
1.1 This test method evaluates the resistance to freezing and thawing of solid interlocking concrete paving units conforming to the dimensional requirements of Specification C936/C936M. Units are tested in a test solution that is either tap water or 3?% saline solution, depending on the...
1 Scope and object This part of IEC 60947 applies to control circuit devices and switching elements intended for controlling, signalling, interlocking, etc., of switchgear and controlgear. It applies to control circuit devices having a rated voltage not exceeding 1 000 V a.c. (at a frequency...
1.1 This guide covers general installation guidelines of waterproofing membranes produced as a composite of sodium bentonite contained within two interlocked needle-punched geotextiles for designers to consider when developing project-specific drawings and specifications. This guide covers...
1.1 This specification covers metal ceiling suspension systems used primarily to support acoustical tile or acoustical lay-in panels. 1.2 Some suspension systems incorporate locking assembly details that enhance performance by providing some continuity or load transfer capability between adjacent...
1.1 This part of IEC 60079 standard gives requirements for the design, construction, assessment, verification and marking of rooms used to protect internal equipment: - a located in a Zone 1 or Zone 2 or Zone 21 or Zone 22 explosive atmosphere (an area normally requiring an equipment protection...
1.1 These test methods provide various testing procedures commonly used for evaluating characteristics of concrete masonry units and related concrete units. Methods are provided for sampling, measurement of dimensions, compressive strength, absorption, unit weight (density), moisture content,...
