At the Montréal city council meeting of April 10, 1995, it was enacted that:

Transcription

1 CITY OF MONTRÉAL BY-LAW BY-LAW AMENDING THE BUILDING BY-LAW (B-1) At the Montréal city council meeting of April 10, 1995, it was enacted that: 1. Article 3 of the Building By-law (R.B.C.M., chapter B-1) is amended by replacing the words "de l'habitation et du développement urbain" by the words "des permis et inspections". 2. Article 4 of that by-law is amended: (1) by replacing, at the end of Sentence (2), the period by a semi-colon; (2) by adding, after Sentence (2), the following sentence: "(3) by adding, after the definition of Appliance, the following definition: "Area inundated by the 100-year flood: territory inundated by a flood recurring every 100 years, whose limits are determined on the flood risk maps of the Montréal region in Schedule J of the By-law concerning urban planning (R.B.C.M., chapter U- 1)."." 3. Article 9 of that by-law is replaced by the following: "9. Table A of the Code is amended: (1) by adding the following: " Issuing Agency Document Number Title of Document Code Reference NFPA 13 (1994) Standard for the Installation of Sprinkler Systems NFPA 14 (1993) Standard for the Installation of Standpipe and Hose Systems NFPA 20 (1993) Standard for the Installation of Centrifugal Fire Pumps NFPA 45 (1991) Standard on Fire Protection for Laboratories Using Chemicals ULC CAN/ULC-S533-M87 Standard for Egress Door Securing and Releasing Devices ULC ULC-S Standard for Emergency Fire Exit Hardware (1) (1) (3) (4)(g) (1) "; (2) by replacing document number " " opposite the title "Installation of Equipment for the Removal of Smoke and Grease-Laden Vapors from Commercial / 1

2 Cooking Equipment" by number "96 (1994)". 4. That by-law is amended by adding the following after Article 10: "10.1. Subsection of the Code is amended by adding the following after Article : " Piping System. No part of a water system and no part of an aboveground drainage and venting system may be combustible." Article of the Code is amended by adding the following sentence after Sentence (2): "(3) No part of a water system and no part of an aboveground drainage and venting system may be combustible." Article of the Code is amended by deleting Sentences (2) to (6).". 5. Article 13 of that by-law is repealed. 6. Article 14 of that by-law is amended by replacing Subsentence (b) of Sentence (2) by the following subsentences: "(b) under the heading "Assembly uses": "Arcades: 1.85 m² Libraries: 3 m² Gymnasiums: 9.30 m² Gymnasiums used for activities other than sports: 1.40 m² Museums, art galleries, exhibition halls : 3 m² Skating rinks: 3 m² Dance halls: - part with tables and chairs: 0.95 m² - part with chairs only: 0.75 m² - part with no tables or chairs: 0.40 m²"; (c) under the heading "Industrial uses": "Repair garages: 9.30 m² Plants: 9.30 m² Automated plants: m²".". 7. Article 15 of that by-law is replaced by the following: "15. Article of the Code is amended by replacing Sentence (1) by the following: "(1) Except as provided in Sentence (2) and Article , a basement whose area is more than 250 m² must: (a) be sprinklered, (b) be subdivided into fire compartments no more than 600 m² each in area by fire separations having a fire-resistance rating not less than that required for the floor assembly immediately above the basement, and be provided with at least 2 accesses for fighting fire directly from the exterior, such as windows, doors or other openings, having a total area not less than 2% of the floor assembly and at least 5 m from each other, or (c) be subdivided into fire compartments no more than 250 m² each in area by fire / 2

3 separations having a fire-resistance rating not less than that required for the floor assembly immediately above the basement, and be provided with at least 2 accesses for fighting fire directly from the exterior, such as windows, doors or other openings, having an area not less than 0.5 m² each and at least 5 m from each other."." 8. Article 17 of that by-law is replaced by the following: "17. Article of the Code is amended by adding the following sentences after Sentence (3): "(4) In addition to the requirements of Sentences (1), (2) and (3), the exterior walls built on lateral and rear lot lines other than those bordering public ways must be covered with masonry units having a minimum design thickness of 100 mm and having at least half the fire-resistance rating required for a firewall according to the type of occupancy. (5) Where a building is permitted to be of combustible construction, the exposing building face referred to in Clauses (1)(a) and (2)(a), built in conformance with Sentence (4), may be attached to a combustible structure."." 9. Article 19 of that by-law is repealed. 10. Article 23 of that by-law is replaced by the following: "23. Article of the Code is amended, in Sentence (2), by replacing Clause (d) by the following: "(d) shafts containing a linen or refuse chute at the top."." 11. Article 24 of that by-law is replaced by the following: "24. Article of the Code is amended: (1) by replacing Clause (1)(b) by the following clauses: "(b) except as provided in Sentence (c), in every suite and every room not located within a suite and located on a floor area containing a Group C major occupancy; (c) suites containing a Group C occupancy; however, heat detectors must be fixedtemperature and thermovelocimetric (see also Article for smoke alarms); (d) except as provided in Sentences (2) and (1), every suite and every room above or below a floor area containing a Group C major occupancy; however, that requirement does not apply to suites, rooms or groups of rooms having occupancies other than those in Group E or Group F, having an area not over 100 m² and leading to an adjacent space already provided with fire detectors."; (2) by adding the following sentence after Sentence (1): "(2) For the purposes of Sentence (1), and except as provided in Sentence (4), "part of a building" means a floor area."." 12. Article 25 of that by-law is replaced by the following: "25. Article of the Code is amended: (1) by adding, in Sentence (1), after Clause (f), the following clauses: "(g) every public corridor in a floor area that is not sprinklered, (h) every public corridor that is part of a means of egress located in part of a building that is not sprinklered, classified as a Group A, Division 2 or 3, or Group B major occupancy, / 3

4 / 4 (i) elevator and dumbwaiter shafts, at the top."; (2) by adding the following sentence after Sentence (1): "(2) For the purposes of Sentence (1), and except as provided in Sentence (4), "part of a building" means a floor area."." 13. That by-law is amended by adding the following after Article 26: "26.1. Article of the Code is replaced by the following: " Water Supply (1) An adequate water supply for fire fighting must be provided for every building. (2) Where a fire pump provides the water supply required in Sentence (1), it must be located in a service room conforming to Article (3) The design, construction and installation of fire pumps providing the water supply for automatic sprinkler systems must conform to NFPA 20, "Standard for the Installation of Centrifugal Fire Pumps"."." 14. Article 28 of that by-law is replaced by the following: "28. Article of the Code is amended: (1) by replacing Sentence (1) by the following: "(1) Except as provided in Sentences (2) to (13) and Articles and , the design, construction, installation and testing of a standpipe and hose system must conform to NFPA 14, "Standard for the Installation of Standpipe and Hose Systems", except for Sentence , Clauses 5.3.2(a), (c) and (e) and Sentence of that standard."; (2) by replacing Sentence (5) by the following: "(5) Standpipe and hose systems must be of Class III, as specified in NFPA 14, "Standard for the Installation of Standpipe and Hose Systems", but may be of Class II, as defined in the same standard, in buildings whose height between grade and ceiling of the last storey is no more than 14 m or whose building area is no more than 4000 m²."; (3) by replacing Sentence (6) by the following: "(6) The residual water pressure at the design flow rate at the topmost outlet of a standpipe and hose system in a building must be at least 450 kpa. However, the pressure may be less than 450 kpa provided: (a) the building is sprinklered in conformance with Sentence (1); (b) the water supply at the base of the sprinkler rise is capable of meeting the design flow rate and pressure demand of the sprinkler system, including the inside and outside hose allowance; (c) fire protection equipment is available to deliver, by means of the fire department connection, the full demand flow rate at a residual water pressure of 450 kpa at the topmost outlet of the standpipe and hose system; (d) the fire alarm system, if any, must be single stage (See Appendix A)."; (4) by adding the following sentences after Sentence (6): "(7) Standpipes must be installed in outside adjacent exit stairwells such as scissors stairs. In addition, except as provided in Sentence (12), vents must be installed near those

5 stairwells, in service spaces reserved for that purpose with a fire-resistance rating at least equal to that required for stairwells. (8) A standpipe and hose system may be supplied from the domestic water system under the following conditions: (a) the installation must meet the design flow rate and pressure demand of the standpipe and hose system as specified in NFPA 14, "Standard for the Installation of Standpipe and Hose Systems", without exceeding 30L/s; (b) the connection must be made on the water service pipe at the entrance of the building; (c) the aqueduct and domestic water system must be protected from contamination by check valves (see Appendix A); (d) the two systems must, at the connection point, be equipped with a control valve so that either system may be shut off independently (see Appendix A)."; (9) No dry-pipe system may be installed in a heated building. (10) The fire department connections required under NFPA 14, "Standard for the Installation of Standpipe and Hose Systems" must be two-way. (11) The wiring of connections, hoses and other fittings must be the same as the one used by the fire department. (12) The horizontal or vertical strokes of a Class I, II or III standpipe system need not be in a service space where they open onto a sprinklered floor area."." 15. Article 29 of that by-law is replaced by the following: "29. Article of the Code is amended: (1) by replacing Sentence (1) by the following: "(1) The 64 mm diam hose connections must be placed: (a) within any pressurized vestibule having a minimum fire-resistance rating of 1 h, next to exit stairs, (b) in the absence of a pressurized vestibule referred to in Clause (a), in all exit stairwells required at intermediate landings and at the highest landing leading to the (c) roof of the building, at all other places specified in Clauses (b), (d) and (f) of NFPA 14, "Standard for the Installation of Standpipe and Hose Systems"."; (2) by replacing, in Sentence (4), the word "sufficient" by the words "a 460 mm"; (3) by adding the following sentences after Sentence (5): "(6) Hose cabinets containing 38 mm flexible pipes must be outside the stairwell and (a) (b) be located in a public corridor, or in the absence of a public corridor, be 2 m or less from the exit door. (7) The centreline of 64 mm hose connections must be horizontal. (8) Within a theatre or an entertainment hall located in a building where a Class II or III standpipe and hose system is required, and that contains a stage other than the one defined in this Code, there must be at least one two-way connection provided with two 38 mm hose stations one of which is equipped with a nozzle and a flexible pipe no longer than 30 m. That hose station must be laid out so that any point of the stage may be sprayed with a stream of 9 m, at the rated flow and residual pressure. (See / 5

6 Sentence (6) for the installation of two-way connections near a stage)."." 16. Article 31 of that by-law is replaced by the following: "31. Article of the Code is amended by adding the following sentences after Sentence (2): "(3) The fire department connections referred to in Sentences (1) and (2) must be located no less than 460 mm and no more than 1500 mm above adjacent grade and be visible at all times and easily accessible. (4) High buildings referred to in Article must be provided with at least 2 fire department connections apart as possible and located on 2 separate façades where those façades overlook a street."." 17. That by-law is amended by adding the following after Article 34: "34.1. Article of the Code is amended by replacing Clause (1)(b) by the following: "(b) the water supply for fire fighting in conformance with Article , where the supply is dependent on electrical power supplied to the building and: (i) serves automatic sprinkler systems or (ii) serves a standpipe and hose system for which the water supply does not provide the rated flow at a residual pressure of 207 kpa at any hose connection without the aid of a fire pump."." 18. Article 35 of that by-law is replaced by the following: "35. Article of the Code is amended: (1) by adding, in Clause (1)(d), after the words "to Sentence (2)", the following: ", and does not apply to doors within a public corridor serving the rooms of a residential and long-term care centre, as defined in Section 83 of the Act respecting health services and social services (R.S.Q., chapter S-4.2), provided those doors are equipped with an electromagnetic lock installed in accordance with Sentence (5)"; (2) by adding the following after Sentence (2): "(3) The installation of an electromagnetic lock on the exit door of a suite, room or group of rooms must conform to Sentence (8)." Article of the Code is replaced by the following: " Curved or Spiral Stairs (1) Except as provided in Sentence (2) and (3), a curved or spiral stair having treads with a minimum run of not less than 150 mm, a minimum average run of not less than 200 mm and having risers conforming to Sentence (2) is permitted in a stairway not required as an exit. (2) Treads converging toward a central point are permitted in a stairway not required as an exit, under the following conditions: (a) stairs must be at least 760 mm wide, (b) runs may not be cut at an angle less than 25.7 degrees, (c) risers must be between 125 mm and 200 mm. (3) For Group B, D, E, F 2 and F 3 occupancies, interior spiral stairs are permitted in a stairway not required as an exit, under the following conditions: / 6

7 (a) (b) (c) they must conform to Clauses (2)(a), (b) and (c), they may only serve 2 consecutive levels, they are not accessible to the public."." 19. Article 38 of that by-law is replaced by the following: "38. Article of the Code is amended by adding the following sentence after Sentence (5): "(6) Each side of the stage must be provided with a two-way connection that may be linked to the automatic sprinkler system. Each connection must be provided with two 38 mm diam hose stations, one of which is equipped with a nozzle and a flexible pipe no longer than 30 m and laid out so that any point of the stage may be sprayed with a stream of 9 m. The flow of the outermost hose station may not be less than 6 L/s at a residual pressure of at least 207 kpa. However, the flow need not be included in the calculation of the flow of sprinklers."." 20. That by-law is amended by adding the following after Article 39: "39.1. Article of the Code is amended by adding the following sentence after Sentence (8): "(9) Accesses to storage garages must conform to Sentence (4)."." 21. Article 40 of that by-law is amended by replacing, in Clause (1)(a) of Article of the Code, the words "drain pipe" by the words "floor drain". 22. Article 43 of that by-law is amended by replacing Sentence (4) by the following: "(4) by replacing Sentence (6) by the following: "(6) Except for egress doors referred to in Sentence (3), an EXIT sign conforming to Sentences (2) and (4) must be placed: (a) over or beside every egress door from a room with an occupant load of more than 60 in a Group A, Division 1 occupancy, dance hall, drinking establishment and other similar occupancies, (b) in public corridors and in an access to exit serving the rooms referred to in Clause A."." 23. That by-law is amended by adding the following articles after Article 43: "43.1. Article of the Code is amended by adding the following sentence after Sentence (4): "(5) A landing must be provided at the top and at the bottom of each flight of stairs." Article of the Code is replaced by the following: " Direction of Door Swing (1) Every exit door must swing on its vertical axis and, except as provided in Sentences (2) and (3), open in the direction of exit travel. (2) No exit door serving a single dwelling unit need open in the direction of exit travel. (3) No exit door need open in the direction of exit travel if: (a) it is not the door of a stairwell, (b) it serves a single suite, room or group of rooms not part of a Group F, Division 1 occupancy or whose total occupant load is not more than 60, / 7

8 (c) it is located 1.5 m or less from adjacent grade. (4) No exit door may open on a sidewalk being part of the right of way of a street except on the paved part linking the right of way to the sidewalk."." 24. Article 44 of that by-law is amended by replacing Sentences (3) and (4) by the following: "(3) in Sentence (4), (a) by replacing the words "leading directly from a Group F, Division 1 occupancy" by the words "referred to in Sentence (6)"; (b) by replacing, in Clause (b), Subclause (i) by the following: (i) on initiation of a fire alarm signal in the case of a single stage fire alarm system and on initiation of an alert signal in the case of a two stage fire alarm system,"; (c) by replacing Clause (e) by the following clauses: "(e) a legible sign is permanently mounted on the exit door to indicate, in letters not less than 25 mm high by 3 mm wide, that the locking device will release within 15 s of applying pressure to the door-opening hardware, (f) the locking device is connected to the fire alarm system, as an auxiliary function, in accordance with CAN/ULC-S524-M86, "Standard for the Installation of Fire Alarm Systems", (g) the electromagnetic locks conform to the test conditions of CAN/ULC-S533- M87, "Standard for Egress Door Securing and Releasing Devices". (See Appendix A.)"; (4) by adding the following sentences after Sentence (4): "(5) Electromagnetic locks that do not incorporate latches, pins or other similar devices to keep the door in a closed position may be installed on exit doors and on doors in the direction of travel of a corridor used as an access to exit in a building or part of a building used as a residential and long-term care centre, as defined in Section 83 of the Act respecting health services and social services (R.S.Q., chapter S-4.2), provided: (a) that building or part of a building is equipped with a fire alarm and detection system conforming to Subsection 3.2.4; (b) any electromagnetic lock releases immediately so that doors equipped with such a lock open: (i) on initiation of the alert signal where the fire alarm and detection system is two stage or on initiation of the alarm signal in the case of a single stage system; (ii) in the event of a power failure; (iii) on actuation of a manually operated switch available only to authorized personnel; (c) a device to directly release the doors by cutting off the power supply to the lock is installed within 0.5 m of each door provided with such a lock; (d) on release, the locking device may only be reset manually by the actuation of the switch referred to in Subclause (b)(iii); (e) the following notice is mounted on each door equipped with such a lock, in letters not less than 15 mm high and having a 3 mm stroke in a contrasting color: / 8

9 In case of emergency, this door may be opened by actuating the manual unlocking device (... left or right, according to the location of the alarm...) (6) No electromagnetic lock may be installed on an exit door serving a Group A, Division 1 occupancy or Group F, Division 1 occupancy, a drinking establishment, a bar, a restaurant, a dance hall or a discothèque. (7) Clauses (4)(c) and (4)(d) do not apply to the main entrance doors of a business and personal services occupancy, a mercantile occupancy or an industrial occupancy whose electromagnetic locks are released only after the opening hours of an establishment, under the following conditions: (a) a device installed within 0.5 m of the door must directly cut off the power supply to the lock, which must be released for at least 30 seconds; (b) a sign conforming to Clause (5)(e) must be mounted on the door or beside it; (c) where the establishment contains a Group A major occupancy, that occupancy must be provided with means of egress separate from the main entrance doors. (8) Sentences (4) and (6) also apply to the exit doors of a suite, room or group of rooms. However, a departure from Clause (4)(c) is permitted where: (a) a device installed within 0.5 m of the door directly cuts off the power supply to the electromagnetic lock; (b) a sign conforming to Clause (5)(e) is mounted on the door or beside it. (9) An electromagnetic lock installed on the door of an exit stairway located at the lowest exit level and leading to the exterior or to an exit passageway must conform to Sentence (4) except at Clause (e) and except that, contrary to what is provided for in Clause (c), the unlocking device must be initiated without delay."." 25. Article 45 of that by-law is amended by replacing Sentence (5) of Article of the Code by the following: "(5) Restaurants and other establishments where food is sold for consumption on the premises must be provided with a temporary storage room conforming to Sentence (1), except for establishments of less than 100 m², and subject to the following requirements: (a) its volume may not be less than 2.85 m³; (b) its area must be at least 2% of the area of part of the floor area of the establishment used for food consumption purposes; (c) (d) its height may not be less than 2 m if the required surface exceeds 2.5 m²; the temperature inside the room must be maintained between 2ºC and 7ºC when cooking is carried out in such an establishment." 26. Article 46 of that by-law is replaced by the following: "46. Subsection of the Code is amended by adding the following articles after Article : " Generators (1) The emergency generators referred to in Subsection must be installed in separate service rooms and be separated from the remainder of the building by fire separations having a fire-resistance rating conforming to Sentence (1). However, the fire / 9

10 / 10 resistance rating may not be less than 2 h in the case of a generator serving a building referred to in Subsection or serving a water supply system for fire fighting. (2) The fuel tank of a generator referred to in Subsection and activated by a diesel motor may be outside the service room housing the generator, under the following conditions: (a) the fuel tank must be in another service room having the same fire-resistance rating as the one required for the room housing the generator; however, the fire-resistance rating may not be less than 2 h where the individual capacity of the tank exceeds 1150 L or where the total capacity of a group of tanks exceeds 2300 L; (b) part of the piping between the two rooms and linking the tank to the generator must be protected against fire for a period of at least: (i) 2 h, for buildings referred to in Subsection and for the generator serving a water supply for fire fighting, (ii) 1 h, for buildings housing a Group B major occupancy and that are not referred to in Subsection 3.2.6, (iii) 30 min., for other buildings. (3) The emergency generator referred to in Subsection and operating on natural gas must be fed by independent piping from the one serving any other device using natural gas and protected against fire in accordance with Subclauses (2)(b)(i) to (iii). Each system must be provided with a shutoff valve as required in Subsection Fire Pumps (1) Fire pumps and their equipment must be installed in service rooms separated from the remainder of the building by fire separations having a fire-resistance rating of 2 h. (2) The service rooms referred to in Sentence (1) may not contain transformers but may contain other technical equipment that does not constitute a major fire hazard, such as electrical or mechanical equipment using no combustible for their operation."." 27. That by-law is amended by adding the following after Article 53: "53.1. Article of the Code is amended by adding, in Sentence (1), after " ", the words "such as hydrostatic loads in the area inundated by the 100-year flood"." 28. That by-law is amended by adding the following after Article 57: "57.1. Article of the Code is amended by adding, after the word "groundwater", the words "and floods" The title of Section 5.5 of the Code is replaced by the following: "Control of Groundwater and Floods" Section 5.5 of the Code is amended by adding the following subsection after Subsection 5.5.3: " Flood Protection Layout of Openings. No part of an opening such as a window, an airhole, an access door to a garage may be below the level of the area inundated by the 100-year flood."." 29. That by-law is amended by adding the following after Article 58: "58.1. Article of the Code is replaced by the following:

11 " Commercial Cooking Equipment (1) Except as provided in Sentence (1) and Article , systems for the ventilation of restaurant and other commercial cooking equipment must be designed, constructed and installed to conform to NFPA 96, "Installation of Equipment for the Removal of Smoke and Grease-Laden Vapors from Commercial Cooking Equipment". (2) Exhaust ducts to remove vapors from commercial cooking equipment must be installed in service spaces containing only that equipment. (3) Where make-up air is introduced directly into a kitchen hood, the air throughput must be added to the one obtained according to one of the following calculation methods: (a) multiply the section of the lower opening of the hood by the air velocity prescribed in Table 8.1-b of Schedule C of the By-law concerning the ventilation of buildings (4936); (b) follow the method prescribed in the bulletin entitled "Kitchen Ventilation", Volume 5, number 1, American Society of Heating, Refrigerating and Air-conditioning Engineers Inc."."." 30. Article 63 of that by-law is replaced by the following: "63. Part 8 of the Code does not apply to the city. Persons who, for purposes of conformance with the Safety Code for the construction industry (Q.R.R. 1981, chapter S-2.1, r.6), must erect a walkway on the public domain, must remove snow and ice from the sidewalk within the limits of the walkway or from the floor of the walkway, as the case may be, as well as from the roof of the walkway in the case of an enclosed walkway.". 31. Articles 64 to 66 of that by-law are repealed. 32. Article 68 of that by-law is replaced by the following: "68. Subsection of the Code is amended by adding the following after Article : " Public Areas. Except as provided in Articles to , the height of every room and every space must be such that proper ventilation and lighting is provided for the intended occupancy, and the ceiling or its fixtures may not hinder freedom of movement or activities. The height may not be less than 2.1 m, except in the case of a service room, storage room or laundry facility."." 33. Article 69 of that by-law is replaced by the following: "69. Subsection of the Code is amended by adding the following after Article : " Door Opening onto the Right of Way of a Street. No door may open onto a sidewalk being part of the right of way of a street except on the paved part linking the right of way to the sidewalk."." 34. Article 71 of that by-law is replaced by the following: "71. Subsection of the Code is amended by adding the following after Article : " Projections Above Windows (1) No projection that may block off natural light, such as a balcony, cornice or other / 11

12 construction, and located less than 1.5 m above the required window of a dwelling unit or a rooming house, may project by more than 1.2 m. (2) Despite Sentence (1), the projection may be higher than 1.2 m if the minimum window area is increased in a proportion of 10% of the area of part of the construction that exceeds standards by 1.2 m in front of the room illuminated by the required window area Clearance in Front of Basement Windows (1) In the case of the room of a dwelling unit or a rooming house where part of the headroom clearance is below grade, the grade in front of each required window may not be less than 1 m below the ceiling of that room. (2) For the purposes of this article, the grade must be determined without taking into account localized depressions such as areaways Other Clearances (1) In front of every required window area for a dwelling unit or a rooming house, there must be a minimum clearance of 1.5 m by 1.98 m over the entire height of the building and open to the outdoors from the bottom of the window area, next to it or separated from it only by an open space not over 1.5 m deep, a balcony, a gallery or a stairway adorned with openwork. The clearance may not encroach on lateral or rear lot lines, but may encroach up to the centreline of an adjacent lane, if any. Cornices and eaves may encroach on the clearance up to a depth of no more than 600 mm. (See also Article ) (2) Despite Sentence (1), a glazed gallery is allowed in front of the required window of one room in a dwelling unit or a rooming house, under the following conditions: (a) the glass area of its openings must be at least equal to 60% of the area of (b) surrounding exterior walls; where the depth of the glazed gallery is over 1.2 m, the requirements of Sentence (2) apply. (3) Where the clearance referred to in Sentence (1) is surrounded, over more than 50% of its perimeter, by other parts of the same building, the dimensions of that clearance may not be less than 3 m by 3 m. (4) Where the clearance referred to in Sentence (1) is surrounded, over more than 75% of its perimeter, by other parts of the same building, it must conform to the following requirements: (a) (b) (c) no part of the projecting building may encroach on it; in the case of a building of 1 or 2 storeys, its width must be at least 4 m, the height of the building being established, for the purposes of this clause, from the floor of the storey where the required glass area is located; its width must be increased by 1.2 m cumulatively for each storey above the second, and that extra width only applies to the additional storey involved Lighting by Skylight (1) Only one room of a dwelling unit for which a window is required may be illuminated by a single skylight. The skylight may not be more than 1.8 m deep. (2) No single skylight may be used to provide more than 50% of the natural lighting required for a dwelling unit / 12

13 Second Light. A room or an area may be illuminated by a second light if the partition separating it from the room or area directly illuminated occupies less than 60% of the separation plan and if the glass area is calculated by considering the total area of adjoining rooms or areas, in accordance with Table A."." 35. Article 73 of that by-law is replaced by the following: "73. Article of the Code is replaced by the following articles: " Interior Stairways (1) Treads converging toward a central point are permitted in a stairway not required as an exit, under the following conditions: (a) stairs must be at least 760 mm wide, (b) runs may not be cut at an angle less than 25.7 degrees, (c) risers must be between 125 mm and 200 mm. (2) For uses in groups B, D, E, F 2 and F 3, spiral stairs conforming to Clauses (a), (b) and (c) of Sentence 1 are permitted in a stairway not required as an exit, under the following conditions: (a) they are not exits, (b) they only serve 2 consecutive levels, (c) they are not accessible to the public Exterior Exit Stairways (1) Despite Articles and , Sentence (1) and Article , exterior stairways that do not constitute the only exit from a dwelling unit, do not open onto a street and serve as an exit for no more than 2 dwelling units per storey may be 760 mm wide or more and may be curved or spiral in whole or in part, under the following conditions: (a) risers must be between 125 mm and 200 mm; (b) where the stairs are spiral, the runs may not be cut at an angle less than 25.7 degrees. (2) Despite Articles , , and , exterior stairways that do not constitute the only exit from a dwelling unit and that serve as an exit for no more than 2 dwelling units per storey may be curved provided they have an average run of not less than 200 mm and a minimum run of 100 mm."." 36. Article 75 of that by-law is repealed. 37. Article 76 of that by-law is replaced by the following: "76. Article of the Code is amended: (1) by replacing, in Sentence (3), "8" by "10"; (2) by replacing, in Sentence (4), the words "entrance level" by the words "exterior ground level adjacent to the entrance"; (3) by adding the following sentence after Sentence (4): "(5) Where a building must be designed to provide a barrier-free path of travel conforming to Section 3.7, the water closets must conform to Article and Sentence (2)."." / 13

14 38. That by-law is amended by adding the following after Article 76: "76.1. Article of the Code is amended by adding the following after Sentence (5): "(6) Scissors stairs must conform to Sentence (2)." Article of the Code is amended: (1) by replacing, in Sentence (2), the words "and (4)" by the words ", (4), (5) and (6)"; (2) by adding the following sentences after Sentence (4): "(5) In a building of no more than 2 storeys in building height or containing no more than 8 dwelling units, a sliding window-door may serve as an exit provided: (a) it serves no more than one dwelling unit, (b) it does not constitute the only exit from a dwelling unit, (c) it consists only of single sections, with sealed double or triple-glazed units, whose part that opens slides inside the dwelling unit and provides, in open position, a net clearance at least 725 mm wide. (6) An exit door need not open in the direction of the exit if it meets the following conditions: (a) it is not the door of a stairwell, (b) it serves only one suite, room or group of rooms whose occupant load is not higher than 60, (c) it is located 1.5 m or less from adjacent grade."." 39. That by-law is amended by adding the following articles after Article 83: "83.1. Subsection of the Code is amended by adding the following after Article : " Combustible Piping (1) Except as provided in Sentences (2) and (3), no part of a water system and no part of an aboveground drainage and venting system may be combustible. (2) A combustible aboveground water system and a combustible drainage and venting system may be installed in a building having a building height of no more than 3 storeys and holding: (a) (b) only one residential occupancy containing no more than 8 dwelling units or a block of residential occupancies containing no more than 8 dwelling units each and separated by firewalls starting at the soil level and crossing every storey; only one rooming house containing less than 10 rooms or a block of rooming houses containing less than 10 rooms each and separated by firewalls starting at the soil level and crossing every storey. (3) The building referred to in Sentence (2) may hold other major occupancies provided part of the water system and part of the drainage and venting system inside those major occupancies and the firewalls separating those major occupancies from other parts of the building are not combustible." Article of the Code is amended: (1) by adding, in Sentence (2), after the word "pipes", the words "other than water system pipes and drainage and venting pipes"; (2) by deleting Sentence (7) / 14

15 83.3. Article of the Code is replaced by the following: " Combustible Piping (1) Except as provided in Sentence (2) and (3), a combustible water system and a combustible drainage and venting system must be in a vertical service space containing only those systems. (2) Provided the piping is sealed at the penetration by a fire stop system that has an F rating not less than the fire-resistance rating required for the fire separation, combustible drain, waste and vent piping may penetrate: (a) a fire separation required to have a fire-resistance rating, (b) a membrane that forms part of an assembly required to have a fire-resistance rating, (c) the wall of a vertical service space containing only the piping of a plumbing system. (3) The fire-resistance rating referred to in Sentence (2) for the fire stop system must be based on CAN4-S 115-M, "Standard Method of Fire Tests for Fire Stop Systems", with a pressure differential of 50 Pa between the exposed and unexposed sides, with the higher pressure on the exposed side. (4) Despite Sentences (2) and (3), combustible drain piping may penetrate a horizontal fire separation provided it leads directly from a noncombustible water closet through a concrete floor slab." Article of the Code is amended by adding the following sentences and table after Sentence (3): "(4) The entrance of a storage garage must, according to the horizontal distance of the threshold from the sidewalk or concrete curb, as the case may be, correspond to the maximum difference in level referred to in Table A. (5) Where there is no sidewalk, the owner must alter the soil profile by means of an opposite slope from the pavement or adjacent concrete curb laid by the city. The top of the opposite slope must be at least at the level of the pavement or curb / 15

16 Table A 1 Forming part of Article Garage Thresholds Horizontal Distance² (in metres) Maximum Difference in Level (in metres) Column Any figure that does not correspond to one of the exact figures in the table must, for calculation purposes, be reduced to the smaller previous figure, and if the distance between the garage threshold and the right of way limit of the public domain is greater than 10 m, the maximum difference in level may not be more than 20% of that distance. ² The horizontal distance referred to in this table is measured between the sidewalk limit, from the side of the property, providing access to the garage, and the threshold point nearest to that limit. "." 40. Article 87 of that by-law is replaced by the following: "87. Subsection of the Code is replaced by the following: " Firewalls Required Firewalls. A party wall on a property line must be constructed as a firewall Construction of Firewalls. Where firewalls are used, the requirements in Subsection apply Combustible Elements Projecting Near the Ground. For the purposes of Article / 16

17 , despite the requirements of Sentence (2), a projecting platform, balcony, stair, access ramp or structural member may be: (1) adjacent to the centreline of a firewall if it is 1 m or less above ground level; (2) 600 mm from the centreline of the firewall if it is more than 1 m from ground level without exceeding the floor level of the first storey." Article of the Code is replaced by the following: " Construction of Exposing Building Face (1) Except as provided in articles to and in Sentence (2), each exposing building face and any exterior wall above an exposing building face that encloses an attic or roof space must be constructed in conformance with Table B and Subsection (2) Exterior walls adjacent to the lateral and rear lot lines, other than those bordering on public ways, must conform to Article "." 41. Article 88 of that by-law is replaced by the following: "88. Article of the Code is amended by replacing, in Sentence (1), the words "of Article " by the words "of Sentence (1)"." 42. Article 89 of that by-law is replaced by the following: "89. Subsection of the Code is amended by adding the following articles after Article : " Outbuildings (1) Outbuildings serving one or more dwelling units may be constructed and set up as a detached garage serving a dwelling unit referred to in Article , under the following conditions: (a) those outbuildings may not be more than 1 storey in height, (b) their cumulative areas may not exceed 25 m² Cabins (1) A cabin may be constructed and set up as a garage serving a dwelling unit referred to in Article , under the following conditions: (a) it may not be more than 1 storey in height, (b) its area may not exceed 15 m²."." 43. Article 90 of that by-law is replaced by the following: "90. Article of the Code is replaced by the following: " Rooms and Spaces Requiring Fire Detectors (1) Where a fire alarm system is required, smoke detectors must be installed in conformance with Clauses (1)(d), (e), (f), (g) and (i). (2) Except as provided in Sentence (4), where a fire alarm system is required, fire detectors must be installed in conformance with Sentence (2). (3) Except as provided in Sentence (4), where a fire alarm system is required, heat detectors must be installed in conformance with Clauses (1)(b) to (d) / 17

18 / 18 (4) The heat detectors referred to in Sentences (2) and (3) are not required in sprinklered buildings if the automatic sprinkler system conforms to Article "." 44. That by-law is amended by adding the following after Article 94: "94.1. Article of the Code is amended: (1) by adding, in Sentence (1), after the word "level", the words ", as well as the floors and exterior face of walls under the level of the area inundated by the 100-year flood"; (2) by adding the following after Sentence (2): "(3) In the area inundated by the 100-year flood, the requirements of Subsection apply." Article of the Code is amended by adding the following after Sentence (2): "(3) Foundations of buildings in the area inundated by the 100-year flood must be designed in conformance with Part 4."." 45. That by-law is amended by adding the following after Article 98: "98.1. Subsection of the Code is amended by adding the following after Article : " Factory-built fireplaces conforming to Article must bear the seal of approval of a laboratory accredited by the Canadian Standards Council as an accreditation agency." Subsection of the Code is amended by adding the following after Article : " Fireplace inserts must bear the seal of approval of a laboratory accredited by the Canadian Standards Council as an accreditation agency."." 46. Article 100 of that by-law is replaced by the following: "100. Section 9.26 of the Code is amended by adding the following subsection after Subsection : " Roof Assemblies Sloped Toward a Public Way Every building whose roof assembly has a metal covering or has a smooth surface and is sloped toward a public way or toward a space used for pedestrian or vehicular traffic must conform to Article "." 47. That by-law is amended by adding the following article after Article 101: " Article of the Code is replaced by the following: " Laundry Facilities. A sewage disposal, ventilation and water distribution piping system for laundry facilities and a space for those facilities must be provided in every dwelling unit. However, laundry facilities may be common to several dwelling units at the rate of one machine per 20 dwelling units or fraction of that number, provided they are grouped in a location conveniently accessible to occupants."." 48. Article 102 of that by-law is replaced by the following: "102. Article of the code is replaced by the following: " Solid-Fuel-Burning Appliances

19 (1) The installation of solid-fuel-burning stoves, ranges and space heaters, including the requirements for combustion air, must conform to CAN/CSA-B365-M, "Installation Code for Solid-Fuel-Burning Appliances and Equipment". (2) No solid-fuel-burning appliances may be installed: (a) in a room used to store combustible or flammable products or substances, (b) in a shed, a depot, outbuildings or other accessory buildings, (c) under stairs, (d) in an access to exit or in exits, (e) less than 1 m from an access to exit or an exit, a fire warning sign, a power panel or (f) a standpipe system, in a sleeping room located in a residential occupancy, except for factory-built fireplaces. (3) The appliances referred to in Sentence (1) must bear the seal of approval of a laboratory accredited by the Canadian Standards Council as an accreditation agency (see also Articles and )."." 49. Article 103 of that by-law is replaced by the following: "103. The Code is amended by adding the following after Part 9: "PART 10 EXISTING BUILDINGS Section Alterations Application Scope. This section applies to existing buildings undergoing alteration, either by the addition of a new part or by a change to an existing part, after January 1, 1994, whether they were erected before or after that date Definitions. In this section, the word "building" refers only to a building described in Article Building Height. The building height in storeys of a building erected before January 1, 1994 may be established in accordance with building regulations in force at the date of construction Conditions Relating to the Development and Occupancy of Existing Buildings General Requirements. Alterations of a type specified in column 1 of Table A must conform to the requirements in column 2 of that table for the part added or altered and, for the other parts of the building, to the requirements in column 3 that must be met in order to attain, in those other parts, the degree of safety and sanitation required by the Code with respect to alterations Supplementary Requirements. Each provision bearing, in Table A, the reference number in brackets of a provision at the end of that table under the title "Supplementary Requirements", must be applied by taking that other provision into account Requirements Relating to Dwelling Units and Rooming Houses / 19

20 (1) In the case of an alteration other than an extension in building area, in floor area or in building height, to part of a building already occupied by a residential occupancy of the dwelling unit type or a rooming house or having already been occupied by such an occupancy without undergoing alteration, and erected before January 1, 1994, resulting or not in an increase in the occupant load, the requirements of the By-law concerning housing (chapter L-1) replace the requirements in columns 2 and 3 of Table A relating to: (a) means of egress; (b) smoke alarms and fire alarm and detection systems; (c) emergency lighting; (d) plumbing; (e) ventilation; (f) sanitation; (g) guards and handrails; (h) portable extinguishers and standpipe and hose systems. (2) The requirements of the By-law concerning housing (chapter L-1) relating to fire compartments replace those in columns 2 and 3 of Table A where they differ from the requirements provided for in that table Exception. Despite Article , the requirements of the By-law concerning housing (chapter L-1) do not replace those of Table A where it would have the effect of reducing the existing safety level of the building. Table A Being an integral part of Subsection Alterations Types of alterations 1. Extension in building area (1) 2. Extension in building height 3. Construction of interconnected floor space 4. Change in occupancy having the effect of transforming the building into a high building Requirements relating to parts added or altered All provisions of this Code. For types 3 and 4: (6) Requirements relating to other parts of the building The provisions of this Code relating to: (1) for the framework supporting the part added or altered: (a) structural strength (b) fire resistance (3) (2) type of construction (6) (3) fire alarm and detection system (9) (4) automatic sprinkler system (9) (5) standpipe and hose system (6) for means of egress serving the part added or altered: means of egress (10) (7) for service spaces connected with the part added or altered: service spaces Subsection of this Code, if the building becomes a high building due to alterations Subsection of this Code, if the building contains interconnected floor space due to alterations Column Extension in floor area (2) The provisions of this Code relating to: The provisions of this Code relating to: / 20