Backflow Preventers, Reduced Pressure Principle Type (RP)
1. Scope
1.1
This Standard appies to backflow preventer assemblies of the reduced pressure
principle type.
Note: These devices are to be installed with two drip-tight shutoff valves (one
on either side of the device) with resilient seats in accordance with Clause
4.8 of CSA Standard CAN/CSA-B64.0.
Backflow Preventers, Double Check Valve Type (DCVA)
1. Scope
1.1
This Standard applies to backflow preventer assemblies of the double check
valve type.
Note: These devices are to be installed with two drip-tight shutoff valves (one
on either side of the device) with resilient seats in accordance with Clause
4.8 of CSA Standard CAN/CSA-B64.0.
1. Scope
1.1
This Standard applies to vacuum breakers for use on laboratory faucets.
1.2
Laboratory faucet vacuum breakers are installed on the discharge side of the
last control valve and are not intended for use under constant pressure
conditions.
Backflow Preventers, Dual Check Valve Type with Intermediate Vent (DuCV)
1. Scope
1.1
This Standard applies to backflow preventers of the dual check valve type with
intermediate vent. These devices are designed to be used on individual outlets
or appliances with flow rates of 0.25 L/s or less.
1. Scope
1.1
This Standard applies to the lines and equipment of electric and communication utilities located entirely outside buildings and fenced supply stations and designed for an operating voltage of not more than 150 kV phase to phase.
1.2
This Standard, which forms part of the Canadian Electrical Code, Part III, covers the requirements for construction of underground systems and…
Agricultural tractors - Operator's workplace, access and exit - Dimensions
This National Standard of Canada is based on International Standard ISO 4252:1992.
1 Scope
This International Standard specifies design dimensions of a tractor for
agriculture concerning
a) minimum dimensions of access doorways;
b) number, location and minimum dimensions of emergency exits;
c) minimum internal clearance dimensions.
It applies to tractors for agriculture having…
Machinery for forestry - Mobile and self-propelled machinery - Identification
vocabulary
This National Standard of Canada is based on International Standard ISO 6814-1983.
1 Scope
This International Standard establishes a vocabulary allowing identification of
mobile or self-propelled specially-designed forestry machines and special
forestry equipment and implements attached to prime movers.
1 Scope
O452.0
1.1 This Standard pertains to OSB panels intended for use in engineered design applications and covers three types of Design Rated OSB panels: Type 1 (STANDARD), Type 2 (PLUS), and Type 3 (PROPRIETARY).
1.2 This Standard includes requirement for binders used in OSB manufacture.
1.3 This Standard specifies the method for evaluating short term basic structural…
