24 177629 ALT

Project Description

Ventilated Vestibule Dwelling units in townhouse Block B is accessible from front entrance and common storage garage at the basement floor level. In line with OBC 3.3.5.4.(4). ventilated vestibule is required to be provided at each entrance between Group C dwelling units and the storage garage. In lieu of a ventilated vestibule it is proposed to provide weather stripped fire rated doors and additional carbon monoxide (CO) detectors within the foyer (connection between each dwelling unit and storage garage) and within the storage garage.Egress Egress from the third and fourth storeys within the dwelling units in townhouse Block B with respect to OBC 3.3.4.4.(3) and (4). It is proposed to provide openable windows on level 3 and a balcony on level 4. NFPA 13R requires the sprinkler system to be designed with a discharge density of 0.05 gpm/ft2 and permits the washrooms, closets and pantries to remain unsprinklered. As part of the alternative solution the townhouse blocks are proposed to be sprinklered throughout. Thus, the sprinkler density will be increased to 0.1 gpm/ft2 and all washrooms, closets, and pantries within the dwelling units will be sprinklered. In addition, fire alarm will be provided within the storage garages of all townhouse blocks.Standpipe and hose system Residential buildings more than 4 storeys in building height are required to be provided with a standpipe system where there are common spaces in the building. It is proposed to use the exterior fire hydrants outside the building for firefighting activities within the residential units. The garage and unit entrances are within 45 m of the fire hydrants. The dwelling units can be accessed from with the parking garage

Permit Details