2.12. CSA Standard B149.1 is amended(1) by replacing Clause 1.1 by the following:“1.1. This Code applies to
(a) gas installations where gas is to be used for fuel purposes, subject to paragraph b;
(b) piping and tubing systems extending from the termination of the gas undertaking’s installations for natural gas or from the distributor’s liquefied petroleum gas tanks; the termination of the gas undertaking’s installations is the point where its piping ends;
(c) natural gas vehicle refuelling appliances and their equipment, excluding storage installations;
(d) gas engines and turbines.”;
(2) by revoking Clause 1.2;
(3) by replacing Clause 1.3 by the following:“1.3. Where the term “gas” is used, the requirements of this Code apply equally to and include any of the following gases, type or mixture of them: natural gas, biomethane, manufactured gas and mixtures of propane gas and air, propane, propylene, butanes (normal butane or isobutane) and butylenes.
Where the term “natural gas” is used, the requirements of this Code apply equally to and include the following gases, type or mixtures of them: natural gas, biomethane and mixtures of propane gas and air.
Where the term “propane” is used, the requirements of this Code apply equally to and include the following gases, type or mixture of them: propane, propylene, butanes (normal butane or isobutane) and butylenes.”;
(4) by replacing the first paragraph of Clause 2 by the following:“The documents incorporated by reference into this Code are those indicated below and include any subsequent amendments and editions that may be published.
Despite the first paragraph, where a document indicated below is adopted by reference by a chapter of the Construction Code (chapter B-1.1, r. 2) or the Safety Code (chapter B-1.1, r. 3), or by another regulation of the Board, the document incorporated by reference into this Code is then the document as adopted by that chapter or regulation.”; (5) in Clause 3(a) by replacing “The following definitions shall apply in this Code:” after the note by “Unless the context indicates otherwise, the following definitions shall apply in this Code:”;
(b) by replacing the definition “Approved” by the following:“Approved: approved or authorized by the Régie du bâtiment du Québec under sections 2.06 and 2.07 of the Construction Code or section 127 or 128 of the Building Act (chapter B-1.1).”; (c) by replacing the definition “Authority having jurisdiction” by the following:«Authority having jurisdiction: Régie du bâtiment du Québec.»;
(d) by striking out the definition “Certified”;
(e) by inserting the following after “Gas hose”:“Gas undertaking (natural gas): undertaking for the distribution of natural gas.”;
(f) by inserting the following after the definition “Dirt pocket (dust pocket)”:“Distributor: undertaking for the distribution of liquefied petroleum gas.”;
(g) by replacing the definition “Installer” by the following:“Installer: contractor or owner-builder holding the appropriate licence issued under the Building Act.”;
(6) by revoking Clause 4.2;
(7) by replacing Clause 6.7.2(b) by the following:“(b) in a chimney, flue, laundry chute, garbage chute or, in the case of an elevator, dumbwaiter or small dumbwaiter, in a sleeve, machine location, machine room, control site or control room;”;
(8) by replacing Clause 6.9.3 by the following:“6.9.3. Welding of gas piping shall be performed in compliance with a welding method established and complying with Clauses 7.6, 7.7 and 7.11 of CAN/CSA Standard Z662 by a welder holding the appropriate qualification certificate issued under the Act respecting workforce vocational training and qualification (chapter F-5).”; (9) by inserting the following after Clause 7.1.3:“7.1.4. Boilers converted to gas shall be in compliance with Clauses 9.4.1 and 9.4.2 of CSA Standard B149.3.”;
(10) by replacing Clause 8.2.1 by the following:“8.2.1. Subject to the exceptions referred to in the second paragraph and in Clause 8.2.3, an outdoor air supply sized in accordance with Clause 8.2.2 shall be provided to either an enclosure or a structure in which appliances are installed.
Except for boilers, water heaters and pool heaters that include a finned-tube heat exchanger, an outdoor air supply shall not be required in structures built before 1986 where the doors and windows of that structure have not been replaced after 1985 and the volume of the enclosure or the structure in which the appliances are installed is greater than 50 ft3 per 1,000 Btu/h (4.84 m3 per kW) of the total heat input of all the appliances in the enclosure or the structure.”;
(11) by striking out “and the Structure Complies with Clause 8.2.1 (a) or (b)” and “and Tables 8.3 and 8.4” in the heading of Table 8.1;
(12) by striking out “and the Structure Complies with Clause 8.2.1 (a) or (b)” in the heading of Table 8.2;
(13) by replacing Clause 8.2.3 by the following:“8.2.3. An outdoor air supply shall not be required for a mechanically vented water heater with a heat input of 50,000 Btu/h (14.64 kW) or less where there are no other appliances that require an air supply installed in the enclosure or the structure, it is not used to heat the structure, and the volume of the enclosure or the structure is greater than 50 ft3 per 1,000 Btu/h (4.84 m3 per kW) of its heat input.”;
(14) by revoking Clauses 8.2.4 and 8.2.5 and Tables 8.3 and 8.4;
(15) by striking out in Clause 8.2.6 “, provided that the structure is not constructed as described in Clause 8.2.1(a) and does not comply with Clause 8.2.1(b). Otherwise, the volume of the enclosure shall be used.”;
(16) by striking out the reference to Clause 8.2.4 in Clauses 8.3.1, 8.3.3 and 8.3.4;
(17) by inserting the following after Clause 8.13.3:“8.13.4. The tables in Annex C shall be used in accordance with the General Venting Requirements (GVR) specified in that Annex.”;
(18) by adding the following paragraph at the end of Clause 8.14.8:“Notwithstanding paragraph (g), a vent shall not terminate less than 6 feet (1.8 m) under an awning window.”;
(19) by inserting the following after Clause 8.18.23:“8.18.24. The total length of a vent connector shall comply with that provided for in Table C.9 of Annex C or be sized in accordance with a calculation prepared by an engineer.”;
(20) by replacing “in accordance with Clause 8.2.1” in Clause C.2.2 General Venting Requirements (GVR) of Annex C by “after 1985 or where the doors and windows were replaced after 1985”.