Rechercher

1.1 Pertains to reinforced circular concrete pipe and fittings intended to be used for the conveyance of sewage, industrial wastes, and storm water, and for the construction of culverts. Note: This Standard is applicable to manufacture and purchase only. 1.2 This Standard pertains to pipe that is intended to be used for jacking longitudinally in tunnel operations. Note: Such pipe may…

1.1 Pertains to precast reinforced circular concrete manhole sections including base sections, riser sections, catch basins, and appurtenances such as grade rings, tops, and special sections for use in sewer and water works. Note: This Standard is applicable to manufacture and purchase only, not installation. 1.2 The requirements of this Standard are applicable to precast concentric…

1. Scope A257.0 1.1 This Standard describes procedures for testing circular concrete pipe, manhole sections, and joints and includes the following tests: (a) three-edge bearing test (see Clause 3); (b) core strength test (see Clause 4); (c) absorption test (see Clause 5); (d) hydrostatic test (see Clause 6); (e) flat slab top test (see Clause 7);and (f) manhole step test (see…

1. SCOPE 1.1 These requirements cover the design and construction of small (maximum 2500 L) welded steel tanks of the stationary non-pressure type intended for installation inside or outside of buildings, for the storage and supply of fuel oil or lubricating oil. 1.2 The use of these tanks may be subject to installation requirements administered by the authority having jurisdiction.

1.1 Applies to factory-made, air-source, air-sink, single package, unitary air-conditioners and heat pumps, matching assemblies of the type classified in Clause 1.4, intended for air-conditioning and space heating applications. 1.2 This Standard applies only to electrically driven, mechanical, vapour-compression-type systems charged with one of the refrigerants listed in Group 1 of CSA…

The object of this standard is to specify terminology and test methods for declaring the characteristics of Anger type Gamma cameras. These consist of a collimator, a detector shield and radiation detector assembly, together with recording and display devices.

Prescribes standard ratings and characteristics, selects from IEC 393-1 the appropriate methods of test and gives general performance requirements for this type of potentiometer. Relates only to single-turn rotary type of power potentiometers with a rated power dissipation normally greater than or equal to 10 W.

Relates to single-turn low-power wirewound and non-wirewound potentiometers with a rated dissipation normally smaller than 10 W. Prescribes standard ratings and characteristics, selects from IEC 393-1 the appropriate methods of test and gives general performance requirements for this type of potentiometer.

This standard establishes quality requirements for the soft cellular polyurethane materials intended to resist repeated pressures. Polyurethane foams are classified according to their type, density, firmness and burning behaviour*. This standard applies to polyurethane foams used for upholstery. It covers foam blocks, those cut into different shapes (bands, sheets, etc.) as well as…

1. Scope 1.1 These requirements cover the construction and operation of 9 Litre stored pressure water type fire extinguishers. 1.2 Stored pressure water type fire extinguishers shall also comply with the requirements of the Standard for the Rating and Fire Testing of Fire Extinguishers, and Class D Extinguishing Media, CAN/ULC-S508. 1.3 A stored pressure water type fire…