11 Mar January 1, Ontario Adopts the CSA B Series of Codes. The National Standard of Canada CSA-B, entitled “NATURAL. 22 Jan B January Title: Natural gas and propane installation code. Pagination: pages (xiv preliminary and text), each dated. 30 Apr clauses that have been amended, added and deleted in the CAN/CSA B Natural Gas & Propane Installation Code. B Cover.

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CAN/CSA-B149.1-05 Natural gas and propane … – CSA Group

Section 8 — Venting systems and air supply for appliances Section 8 of the Code describes the requirements for venting systems and air supply for appliance installations. The regulator vent and relief device vent shall terminate outdoors.

Notes to the text do not includemandatory or alternative requirements. This increase shall be made at the connection on the device.

As a first step, B Enclosure — a secondary structure room within or attached to a structure building in which an appliance is installed. Flue backflow preventer new A system or device used in common venting of positive pressure appliances to prevent the exhaust flue from active appliances sharing the system from flowing back into the vent b149.1-10 natural gas and propane installation code dormant or idling appliance s. Dust pocket — see Dirt pocket. The ground shall first be prepared and provided with gravel for drainage.

Lubricated-plug-type valve — a manually operated valve of the plug and barrel type that is a provided with means for maintaining a lubricant b149.1-10 natural gas and propane installation code its bearing surfaces; b so designed that the lapped bearing surfaces can be lubricated and the lubricant level maintained without removing the valve from service; c so constructed that the lubricant can be stored in a reservoir so as to be distributed evenly over the entire lapped bearing surfaces of the valve when the plug is rotated; and d equipped with built-in stops to limit the rotation of the plug to one quarter turn when fully opening or fully closing the valve.

Residential appliance — an appliance commonly used in, but not restricted to use in, a dwelling unit. As always, users of the Code must consider the entire Code and any local amendments. Section 5 — Pressure Controls Section 5 of the Code describes the requirements for pressure controls in natural gas and propane installations.

Flexible connector — see Connector. Revised Contents, Clauses b149.1-10 natural gas and propane installation code. The concentrationof carbon dioxide and carbon monoxide shall be verified upon initial start-up.


The outline of welded brackets, mountings, guards, subcompartments, and the like are not considered part of the perimeter for the purpose of this definition.

Tubing shall be supported accordingto Table 6. Notes to figures and tables, however, areconsidered part of the figure or table and are written as mandatory requirements. No other valve shall be used to control or terminate the purge; and c smoking shall not be permitted, and maximum precautions shall be taken to either remove or shut off any source or potential source of ignition prior to commencing the purge. This valve shall be at the point of entry of the piping system to the building.

Chimney draft — the available natural draft of the chimney measured at or near the base of the chimney.

B Natural gas and propane installation code

Les mer om abonnement. Draft hood — a draft-control device having neither movable nor adjustable parts. The applicable procedures in Clause 6.

The standard was originally developed for copper metallic press fittings but in the standard was revised to include other metallic materials copper, carbon steel and stainless steel. When either overloads or high starting loads b1149.1-10 likely to installlation encountered, b149.1-10 natural gas and propane installation code size of piping shall becomputed on a basis proportional to the increased input required.

Secondary air — see Air supply. Normal operation shall be considered the provision of 10 Btuh 3 kW per brakehorsepower for 4-cycle engines and 13 Btuh 4 kW per brake horsepower for 2-cycle engines. For the purposes of installation of pressure regulators with a leak limiting system, a ventilated space should not be considered a confined space.

Gas Convenience Outlet new A permanently b149.1-10 natural gas and propane installation code certified hand-operated device that provides a means for connecting and disconnecting an appliance to the gas supply piping by way of a gas hose or gas connector.

The door shall nothave a glass b149.1-10 natural gas and propane installation code or vent and shall be of the swinging automatic-closing type, gasketed to preventpropane from entering other sections of the building. This provision shall not apply to tubing that passes directly through walls or partitions.

Changes to Section 4 in the edition affect the following sub-sections:. Vaporizer — an appliance for converting liquid propane to vapour by means other than atmospheric heat transfer through the surface of the container. Because of this used market, they will often be installed on renovations or new projects.

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For natural gas having a relative density otherthan 0. Many of the amendments consolidate subjects so that a gas technician has to only look in one place for the requirements of a specific vas. Fast-closing valve — see Valve.

A draft hood may be built into an appliance, attached to an appliance, or made part of a vent connector. Pressure regulator — a device, either adjustable or nonadjustable, for controlling b149.1-0 maintaining, within acceptable limits, nistallation uniform pdopane pressure.

Changes to Section 6 in the edition affect the following sub-sections: Nahural ceiling space — ceiling space that is enclosed with tiles or panels that are removable without theuse of a tool. A double-acting draft regulator is one whose balancing damper is free to move in either direction.

Clearances specified in Table 4.

CAN/CSA-B Natural gas and propane – CSA Group Pages 1 – 50 – Text Version | FlipHTML5

Such a walkway shall be located b149.1-10 natural gas and propane installation code to the appliance and control panels, and when the appliance is located on a sloped roof, the walkway shall extend from the appliance to the point of access and be equipped with guardrails so that the appliance can be safely b149.1-10 natural gas and propane installation code and serviced; b the clearance between the appliance and the edge of the roof or other hazard shall be at least 6 ft 2 fas ; and c if the appliance is enclosed, such an enclosure shall permit easy entry and movement, be of reasonable height, and have at least 2 ft mm clearance on either side of the service access panel of each appliance in the enclosure.

Draft regulator barometric damper — a draft-control device intended to stabilize the natural draft in an appliance by admitting room air to the venting system.

A person must use the most current Code adopted in their Province or Territory natursl new or upgrading propane installations. January 9 Replaces p. Mechanical draft — a draft produced by a mechanical device, such as a b149.1-10 natural gas and propane installation code, blower, or aspirator, that can supplement natural draft.

Draft — the flow of air or combustion products, or both, through an appliance and its venting system. Revision to Clauses 7.

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