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This standard specifies the main characteristics and test methods for backwater valves made of thermoplastic with nominal diameters up to 200 mm (8 in) or made of cast iron with nominal di-ameters up to 375 mm (15 in), and...

1.1 General 1.1.1 This Code applies to the installation of systems for the production, handling, storage, and utilization of digester gas in newly constructed wastewater treatment plants, as well as additions to, and the...

.1 Application of Requirements This Standard specifies minimum requirements for the design, construction, installation, and operation of elevating devices that are to be used by persons with physical disabilities travelling...

1. Scope 1.1 This Standard applies to portable industrial oil-fired heaters irrespective of the heating capacity, the type of burner or the motive power. 1.2 The requirements given herein apply to units which may be indirect...

1.1 This Standard applies to non-pressurized liquid fuelled catalytic appliances ranging in input capacities from 1,000 Btuh to 15,000 Btuh primarily used as portable space heating appliances. 1.2 Appliances with input...

1. Scope/objectives: This Standard would include: • clarity of the objectives for environmental action levels and where they fit in the environmental protection framework for emission control; • consideration of process...

1.1 These requirements cover emergency vault ventilators and vault-ventilating ports. 1.2 Emergency vault ventilators are primarily intended to provide fresh air to persons locked in the vault by accident or during a robbery...

1.1 The test methods described in this Standard are applicable to roof covering materials and are intended to measure the relative fire-performance characteristics of roof coverings when exposed to fire originating from...

1.1 These requirements and methods of test apply to fire damper assemblies rated ¾ h, 1 h, 1½ h, 2 h, or 3 h for use in air-conditioning and ventilating system ducts or openings (without ducts) piercing horizontally or...

1.1 This test method determines combustibility parameters for the assessment of degree of combustibility of building materials by measuring the heat release and smoke production from specimens exposed to radiant heat using...

1.1 This is a fire test response Standard. This document describes the test method used to determine the contribution to fire growth provided by a non-loadbearing insulated building panel installed in a sprinklered or...

This Standard covers requirements for control units, fire alarm systems and control unit accessories for use in accordance with the Standard for the Installation of Fire Alarm Systems, CAN/ULC-S524, in accordance with Rule 32...