CAN CSA-B149.1-05 PDF


1 to CAN/CSA-B, Natural gas andpropane installation code January Note:General Instructions for CSA Standar ds are now called. 1 Preface This is the thirteenth edition of CAN/CSA-B, Natural gas and propane installation code. It supersedes the previous editions, published. CSABUpdate-Update No. 1 to CAN/CSA-B, Natural Gas and Propane Installation Code-.

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Standards Council of Canada

Provide owner with Attachment 1 – FS Category IV appliances unless installed in designated R homes or in an enclosure. FS – Wolf Steel Ltd.

Bed-sitting room — A one-room apartment serving as both a bedroom and a sitting room. Chimney has capacity and complies with 8.

FS – Interpreting Clause 8. A draft hood may be built into an made part of a vent connector.

CAN/CSA-B | Standards Council of Canada – Conseil canadien des normes

Enclosure — a secondary structure room within or attached to a structure building in which an appliance is installed. FS — Tirino Corp.

Except for direct vent water heaters, when the water heater is contained in an enclosure, permanent openings shall be provided as described in Clause 8. Metal chimney — a single-wall chimney of metal constructed on site.

Residential appliance — an appliance commonly used in, cza-b149.1-05 not restricted to use in, a dwelling unit. Factory-built chimney — a chimney that consists entirely of factory-made parts, each designed to be assembled with the other without requiring fabrication on site.

The DP column shall be used to determine the capacity of a venting system within a building constructed in accordance with Clause 8.

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B149.1-05 Quick Code Reference

Corrugated metal vent systems installed with bends or offsets require additional reduction of the vent capacity see Clause C. This clearance shall be maintained if it passes through either a combustible wall or partition, in accordance with Table 8. Careful attention shall be paid not only to the mechanical execution of the work but also to the arrangement of the installation. Direct-vent appliance — an appliance constructed so that all the combustion air is supplied directly from, and the products of combustion are vented directly to, the outdoors by independent enclosed passageways connected directly to the appliance.

The chimney shall first be lined with either a Type B vent, sized in accordance with Tables C. FS — Wolf Steel Ltd. The Horizontal length of the common vent connector manifold L in Figure C.

Documents Flashcards Grammar checker. Flue gas dilution air — the ambient air that is admitted to a venting system at the draft hood, draft diverter, or draft regulator. Building — a structure or part thereof used or intended for supporting or sheltering persons, animals, or property and classified by its occupancy in accordance with the applicable building code of authority having jurisdiction or, in the absence of such, in accordance with the National Building Code of Canada. It is designed to a ensure the ready escape of flue gases from the combustion chamber in the event of either no draft or stoppage downstream from the draft hood; b prevent a backdraft from entering the combustion chamber of the appliance; and c neutralize the effect of stack action of either a chimney or a vent upon the operation of the appliance.

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Imperfect in form or function. Adequate combustion air shall be provided for the water heater. Draft-control device — either a draft hood or draft regulator.

Residential building — any cs-b149.1-05 or part thereof csa–b149.1-05 by persons for whom sleeping accommodation is provided but who are not harboured or detained to receive medical care or treatment or are not involuntarily detained.

Commercial- and industrial-type appliance or equipment — an appliance or equipment other than a residential or recreational type. Exterior chimneys or vents not enclosed by the structure or a chase below the roof line can experience continuous condensation, depending on locality.

A double-acting draft regulator is one whose balancing damper is free to move in either direction. A chimney with one or more sides exposed to the outside of the structure shall be considered to be an exterior chimney. Ventilated space — a space where there is an air change by means of natural ventilation or mechanical means, or where the space communicates with the rest of the structure by means of permanent openings.

An enclosure containing the water heater shall not be accessed by a pedestrian door which can be opened from the bathroom or bedroom. Annex C — Miscellaneous C.