IN SILENCE CODE LOCATIONS ISO

(12) Audible signal devices shall be installed in a service space referred to in Sentenceģ.2.1.1.(9) and shall be connected to the fire alarm system. (b) audible signal devices within dwelling units or suites of residential occupancy shall be wired on separate signal circuits from those not within suites of residential occupancy or dwelling units. (a) separate circuits shall be provided for audible signal devices on each floor area, and (11) In a building or part of it classified as a residential occupancy, (b) on separate signal circuits that are not connected to the devices in any other dwelling unit, public corridor or suites of residential occupancy. (a) in a manner such that a single open circuit at one device will not impair the operation of other audible signal devices on the same circuit that serve the other dwelling units or suites of residential occupancy, or (10) Audible signal devices within a dwelling unitor a suite of residential occupancy shall be connected to the fire alarm system, (9) Except as permitted by Sentence (13), an audible signal device located within a dwelling unit shall incorporate a means that enables the device to be silenced for a period of not more than 10 min, after which the device shall restore to normal operation. (8) Sentence (7) shall also apply in an assembly occupancy in which music and other sounds associated with performances could exceed 100 dBA. (iii) are located within sound insulated enclosures. (ii) are located within an audiometric booth, or (a) the ambient noise level is more than 87 dBA, or (7) Fire alarm audible signal devices shall be supplemented by visual signal devices in any floor area in which, (6) Except as required by Sentence (5), the sound pressure level from a fire alarm audible signal device in a floor area shall be not less than 10 dBA above the ambient noise level, but with a minimum value not less than 65 dBA. (5) The sound pressure level in a sleeping room from a fire alarm audible signal device shall be not less than 75 dBA in a buildingof residential occupancy when any intervening doors between the device and the sleeping room are closed. (b) is permitted to be more than 100 dBA provided the sound pressure level measured 2 000 mm above floor level is not more than 100 dBA. (a) shall be not more than 100 dBA when measured at a distance of 3 m from the device, or (4) In all normally occupied spaces, the fire alarm signal sound pressure level, (3) The sound patterns of alert signalsshall be significantly different from the temporal patterns of alarm signals.

IN SILENCE CODE LOCATIONS ISO

(2) The sound pattern of an alarm signalshall conform to the temporal pattern defined in Clause 4.2 of International Standard ISO 8201, 'Acoustics - Audible Emergency Evacuation Signal'. (b) alert signalsare clearly audible in continuously staffed locations and, where there are no continuously staffed locations, throughout the floor area. (a) alarm signals are clearly audible throughout the floor area, and (1) Except as permitted by Sentence 3.2.4.19.(5) and except as required by Clause 3.2.4.4.(2)(d), audible signal devices forming part of a fire alarm system shall be installed in a building so that, The Ontario Building Code | Audibility of Alarm Systems

In silence code locations