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BCC Ruling No. 13-16-1344

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Ruling No.: 13-16-1344
Application No.: B 2013-09

 

BUILDING CODE COMMISSION

IN THE MATTER OF Subsection 24(1) of the Building Code Act, S.O. 1992, c. 23, as amended.

AND IN THE MATTER OF Article 6.2.2.1., Sentence 6.2.3.9.(4) and Article 6.2.3.20. of Division B of Regulation 350/06, as amended, (the “Building Code”).

AND IN THE MATTER OF an application by Lenny Simonelli, Allegra on Woodstream Inc., for the resolution of a dispute with Leo Grellette, Chief Building Official, City of Vaughan, to determine whether the design of a ventilation system that makes use of corridors to deliver outdoor air to dwelling units provides sufficiency of compliance with Article 6.2.2.1. and Sentence 6.2.3.9.(4) of Division B of the Building Code and further, to determine whether the design of a return-air system that does not include return air grilles in each room does provide sufficiency of compliance with Article 6.2.3.20. of Division B of the Building Code for the proposed 11 storey residential building at 24 Woodstream Boulevard, City of Vaughan, Ontario.

APPLICANT

Lenny Simonelli
Allegra on Woodstream Inc.
Woodbridge, Ontario

RESPONDENT

Leo Grellette
Chief Building Official
City of Vaughan, Ontario

PANEL

Tony Chow, Chair
Leslie Morgan
Alison Orr

PLACE

City of Toronto, Ontario

DATE OF HEARING

June 20, 2013

DATE OF RULING

June 20, 2013

APPEARANCES

David Hine
David Hine Engineering Inc.
City of Toronto, Ontario
Agent for the Applicant

Leo Grellette
Chief Building Official
City of Vaughan, Ontario
Respondent

Dean Brown
Manager of Technical Services
City of Vaughan, Ontario
Designate for the Respondent

RULING

 

1. Commission Ruling

It is the decision of the Building Code Commission that the design of a ventilation system that makes use of corridors to deliver outdoor air to dwelling units provides sufficiency of compliance with Article 6.2.2.1. and Sentence 6.2.3.9.(4) of Division B of the Building Code and further, it is the decision of the Building Code Commission that the design of a return-air system that does not include return air grilles in each room does provide sufficiency of compliance with Article 6.2.3.20. of Division B of the Building Code for the proposed 11 storey residential building at 24 Woodstream Boulevard, City of Vaughan, Ontario.

2. Reasons

  1. The Building Code does not contain a provision that prohibits indirect delivery of the outdoor air supply to a dwelling unit. Article 6.2.1.1. of Division B of the Building Code states, in part, heating, ventilating and air-conditioning systems, including related mechanical refrigeration systems, shall be designed, constructed and installed to conform to good engineering practice appropriate to the circumstances. The Commission heard that the delivery of the outdoor air supply to dwelling units by corridor pressurization and infiltration is common practise in Ontario and that this ventilation system is designed to conform to good engineering practice appropriate to the subject building.

  2. Sentence 6.2.3.20.(1) of Division B of the Building Code states that the return-air system shall be designed to handle the entire air supply. The Commission heard that the fan coil units within each dwelling unit are capable of handling the entire air supply for the individual suites.

Dated at the City of Toronto this 20th day in the month of June in the year 2013 for application number B 2013-09.

Tony Chow, Chair

Leslie Morgan

Alison Orr