B.C. Reg. 202/2002
O.C. 598/2002

Deposited July 12, 2002

This archived regulation consolidation is current to April 4, 2003 and includes changes enacted and in force by that date. For the most current information, click here.

Gas Safety Act






Adoption of code


Short name



1 In this regulation, "national code" means

(a) CSA-B149.1-00, the Natural Gas and Propane Installation Code, published January 2000,

(b) CSA-B149.2-00, the Propane Storage and Handling Code, published January 2000,

(c) CSA-B149.3-00, the Code for the Field Approval of Fuel-Related Components on Appliances and Equipment, published January 2000,

(d) the National Standard of Canada CAN/CGA-B149.4-M91, Natural Gas for Vehicles Installation Code, published January 1991,

(e) the National Standard of Canada CAN/CSA-Z662-99, Oil and Gas Pipeline Systems, published April 1999, and

(f) the National Standard of Canada CAN/CGA-B105-M93, Code for Digester Gas and Landfill Gas Installations, published January 1993,

all as amended from time to time.

Adoption of code

2 The national code is adopted in whole subject to the variations set out in the Schedule.

Short name

3 The national code, as amended, shall be known as the B.C. Natural Gas and Propane Code.


Variations to the National Code

1  Paragraph (b) of Clause 3.14.6 of CSA-B149.1-00, the Natural Gas and Propane Installation Code, is repealed and the following substituted:

(b) the clearance between the appliance and the edge of the roof or other hazard shall be at least 6 feet (2 m), but this clearance may be reduced to 3 feet (1 m) if a permanent guard rail or equivalent protection is provided; and

2  The following clause is added after Clause 3.14.7 of CSA-B149.1-00:

3.14.8 When it is considered necessary to install an appliance within screening or within a roof well (a depressed area on a roof), the following additional requirements apply:

(a) screening shall have a free opening of not less than 50% of the area of each side;

(b) there shall be no roof, cover or screens over the well enclosure;

(c) each appliance shall be installed with not less than

(i) 36 inches (90 cm) clearance from any side of the appliance, or

(ii) the clearance required by the manufacturer of the appliance,

whichever is greater;

(d) vent terminations with respect to the walls of a screen or roof well shall

(i) be no higher than the height of the appliance when it is vented atmospherically, or

(ii) not exceed an angle of 45 degrees from the vent outlet of a power or fan assisted venting system;

(e) when an appliance is installed with screening consisting of two solid walls or is installed in a roof well, fresh air shall not be taken from within the enclosure unless a 20 foot (6 m) separation can be maintained between the vent outlet and the fresh air inlet;

(f) an appliance installed outdoors in an area which is subject to an ambient temperature lower than -40°F (-40°C) shall be approved by a recognized testing agency for -60°F (-51.1°C), or be an appliance approved for operation to -40°F (- 40°C) and equipped with a low ambient temperature switch.

3  The following clauses are added after Clause 5.15.14 of CSA-B149.1-00:

5.15.15 A piping system laid underground shall be cathodically protected regardless of pressure. The only exceptions are construction camps (where the system may be used for a limited time), nonmetallic pipe and copper pipe or tube.

5.15.16 To ensure electrical continuity when a mechanical fitting is used, each fitting shall be bonded over by No. 6TW cable attached to the piping by either

(a) cadwelding; or

(b) brazing.

5.15.17 Cathodically protected underground piping shall be buried not less than 12 inches (300 mm) horizontally from all other underground pipes or conduits, except by special permission.

5.15.18 Where an underground gas pipe crosses another underground pipe or conduit, a minimum clearance of 2 inches (50 mm) shall be provided either above or below the gas line in accordance with the requirements of Section 5.15.

5.15.19 All piping in the protected system shall be electrically insulated from all other piping by means of suitable electrical insulating fittings. Anodes shall be magnesium.

4  The following paragraphs are added to Clause 6.18.6 of CSA-B149.1-00:

(c) The instructions to the lessee by the lessor shall include, but not be restricted to, the following:

(i) replacement of tanks and cylinders;

(ii) operation of the construction heater;

(iii) specific tools to be used;

(iv) clearances required from combustible materials;

(v) shutting off the construction heater;

(vi) checking for leaks;

(vii) moving the construction heater from location to location.

(d) Maintenance of the construction heater shall be performed by the lessor. This work shall include the regulator, hose and fittings.

5  The following clause is added after Clause 6.18.9 of CSA-B149.1-00:

6.18.10 A piping permit is required for the laying of temporary gas piping to connect a construction heater. This work shall be done by a qualified gas fitter.

6  Clause 6.23.4 of CSA-B149.1-00 is repealed.

7  The following section is added after Clause 6.23.5 of CSA-B149.1-00:

6.23A  Gas Appliances Installed in Bedrooms and Bathrooms

6.23A.1. A gas appliance installed in a bathroom shall be of the direct vent type only.

6.23A.2 A gas appliance installed in a closet or a small room having access only through a bathroom, bedroom or bed-sitting-room shall be of the direct vent type or have combustion and ventilation air supplied to the closet or small room. If any exhaust fan affects the operation of a gas appliance, the gas appliance shall be isolated from the bathroom using a sealed opening or door closer.

6.23A.3 A gas appliance installed in a bedroom or bed-sitting room shall meet all of the following requirements:

(a) the appliance must be of the automatic temperature controlled type;

(b) the appliance must be equipped with a pressure regulator;

(c) the appliance must have a 100% safety shut-off control valve;

(d) the appliance must be vented and meet the requirements for combustion air specified by the Gas Safety Program.

6.23A.4 A gas appliance (fireplace) installed as a divider between a bedroom and bathroom shall meet all the requirements for an installation in a bedroom. In addition, the gas appliance shall be sealed from the bathroom using material that is impact resistant and thermal shock proof. Clearance to the tub of 18 inches must be maintained to prevent accidental injury from the hot surface of the appliance.

8  Clause 7.3.6 of CSA-B149.1-00 is repealed and the following substituted:

7.3.6  An air supply inlet opening from the outdoors shall

(a) have a minimum vertical distance of 24 inches (600 mm) between the bottom of the intake grill and the finished grade at the point of intake in order to prevent obstruction of the combustion air intake by snow or other material, and

(b) not be taken from a car port.

9  The following clause is added after Clause 7.8.2 of CSA-B149.1-00:

7.8.3 When the air supply is provided by mechanical means from the outdoors for natural draft, partial fan assisted, fan assisted or power draft assisted burners, the air quantity supplied by the fan shall be based on 30 cubic feet (0.85 cubic meters) of outside air for each 1 000 Btu of gas supplied to the burners.

10  The following section is added after Clause 7.14.12 of CSA-B149.1-00:

7.14A  Direct Vent Fireplace Vents

7.14A.1 A direct vent fireplace terminal location shall not be installed in any area which is not allocated to the occupancy in which the fireplace is installed.

7.14A.2 In a structure with three walls and a roof, the terminal shall not be installed

(a) more than 72 inches (183 cm) from the outside opening,

(b) on any wall that has an opening between the terminal and the open side of the structure, or

(c) below 84 inches (218 cm) from a deck, patio or balcony without a certified guard.

7.14A.3 A direct vent fireplace shall not be installed

(a) below a ceiling or soffit that has perforations (openings) unless the ceiling or soffit is sealed for a distance of 24 inches (61 cm) on either side of the centre line of the vent termination,

(b) less than 6 feet (183 cm) under a window that opens on a horizontal plane, or

(c) directly under a balcony or deck constructed such that there are openings in the deck surface.

Note: this regulation replaces B.C. Regs. 442/92 and 443/92


[Provisions of the Gas Safety Act, R.S.B.C. 1996, c. 169, relevant to the enactment of this regulation: section 34]

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