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Advanced wood-based solutions for mid-rise and high-rise construction: exit fire separations in mid-rise Wood buildings

https://library.fpinnovations.ca/en/permalink/fpipub49853
Author
Ranger, Lindsay
Dagenais, Christian
Date
March 2018
Material Type
Research report
Field
Sustainable Construction
Author
Ranger, Lindsay
Dagenais, Christian
Contributor
Natural Resources Canada. Canadian Forest Service
Date
March 2018
Material Type
Research report
Physical Description
91 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Advanced Wood Materials
Subject
Wood
Fire
Building code
Residential construction
Language
English
Abstract
In 2015, the National Building Code of Canada (NBCC) [1] adopted prescriptive provisions to allow the construction of mid-rise (5- and 6-storey) buildings using combustible construction. These types of buildings were already permitted under the British Columbia Building Code, as of 2009 [2]. In2014 the Province of Ontario filed an amendment to also allow mid-rise wood buildings, however, it required that the exit fire separations be built using noncombustible construction having a fire resistance rating (FRR) of not less than 1.5-hr, which was an increase from the 1-hr requirement in the NBCC. The Québec Construction Code has also filed amendments to allow mid-rise wood construction and also limits exit stairwells to use noncombustible construction.
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Advanced wood-based solutions for mid-rise and high-rise construction: Mid-rise wood exit shaft demonstration fire test report

https://library.fpinnovations.ca/en/permalink/fpipub49832
Author
Ranger, Lindsay
Dagenais, Christian
Bénichou, Noureddine
Date
April 2018
Material Type
Research report
Field
Sustainable Construction
Author
Ranger, Lindsay
Dagenais, Christian
Bénichou, Noureddine
Contributor
Natural Resources Canada. Canadian Forest Service
Date
April 2018
Material Type
Research report
Physical Description
48 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Advanced Wood Materials
Subject
Wood
Fire
Building code
Residential construction
Language
English
Abstract
FPInnovations conducted a research project to study the construction of mid-rise wood exit shafts in Ontario and Québec. The scope of the project included an investigation into the concerns that have been raised in regards to the use of wood exits in mid-rise buildings, an analysis of recent Canadian fire statistics in residential multi-family structures, and a fire demonstration of a mass timber wall and supported light-frame floor. This report describes the fire demonstration completed as part of this project; this report acts as a supplement to the full project report.
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Evaluation of prototype wood-based interior partition walls

https://library.fpinnovations.ca/en/permalink/fpipub7508
Author
Knudson, Robert M.
Schneider, Johannes
Thomas, Tony
Date
February 2018
Edition
49823
Material Type
Research report
Field
Wood Manufacturing & Digitalization
SUMMARY Interior partition walls for non-residential and high-rise residential construction are an US$8
Author
Knudson, Robert M.
Schneider, Johannes
Thomas, Tony
Contributor
Natural Resources Canada. Canadian Forest Service
Date
February 2018
Edition
49823
Material Type
Research report
Physical Description
20 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Wood
Walls
Residential construction
Prototypes
Design
Series Number
Transformative Technology ; TT 2018
Language
English
Abstract
Interior partition walls for non-residential and high-rise residential construction are an US$8 billion market opportunity in Canada and the United States (Crespell and Poon, 2014). They represent 1.6 billion ft² (150 million m²) of wall area where wood currently has less than 10% market share. To approach this market a new system would be needed to compete against the incumbent system (wood/steel stud plus gypsum). The system would need to have an installed cost before finishing of approximately US$5 per ft² or lower. The system would also need to meet several code requirements for strength, sound transmission and fire resistance (flame spread and burn through). Crespell and Poon further concluded that to be truly transformative, the system would also need to address major trends impacting the building industry including reducing labor, reducing skilled labor, reducing onsite waste, reducing call-backs, and easily recyclable with low environmental impact. A likely market entry point for wood-based interior partition systems may be in taller and larger wood buildings. Work described in this report investigated the fabrication, installation, acoustic and combustion properties of prototype interior partition wall designs. Two types of non-structural prototype interior wall panels designated Type A and Type C were installed between two offices in the FPInnovations Vancouver laboratory. Wood sill plates for mounting the prototype panels were fastened to the concrete floor, sides and top of the opening between the two offices to produce a frame for mounting the test panels. Panels were fastened to the frame using dry wall screws. This same method of installation is envisioned in practice. The installation method makes it easy and fast to both install and remove the wall panels. Acoustic tests showed the difference in ASTC rating measured between a double wall composed of Type A and Type C prototype panels compared with a double wood stud wall with gypsum board faces was approximately 6 ASTC points. A 6 point difference would be clearly noticeable. Although the results of this study are largely qualitative, they suggest that the prototype interior partition panels would have an acoustic advantage compared to stud wall designs. In a related study summarized in this report, the combustion properties of three prototype interior panel constructions, including Types A and C evaluated in this report, indicated that any of the three types of partition constructions could be used in combustible construction in accordance with Division B of the National Building Code of Canada. A second related study, also summarized in this report, estimated an installed cost of US$4.07 per ft² including overhead and profit for unfinished panel partitions comparable to panel construction Type C (gypsum/OSB/wood fibre insulation) as evaluated in this study. Thus, there would appear to be potential installed and finished cost advantages for the wood-based panel partitions compared to steel or wood stud walls with gypsum faces. Other potential advantages of the prototype interior partition panels compared with the most common, currently-used systems (wood/steel stud plus gypsum) include ease and speed of installation, ease and speed of removal, design flexibility, prefabrication including pre-finishing, and easy installation of services. Based on the positive results of these exploratory studies, further development of wood-based interior partition systems including design, fabrication, installation and in-service performance would appear justified. Knowledge of the products and testing methods developed in these studies would be expected to speed further development.
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Équilibre de l’humidité de parements en bois - rapport 2017-2018

https://library.fpinnovations.ca/en/permalink/fpipub52649
Author
Barbuta, Costel
Date
Août 2018
Material Type
Research report
Field
Sustainable Construction
PDF
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Author
Barbuta, Costel
Date
Août 2018
Material Type
Research report
Physical Description
255 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Humidity
Trimming
Residential construction
Language
French
Abstract
Rapport de projet qui vise à évaluer dans le temps les conditions hygrothermiques retrouvées dans la cavité de ventilation derrière les planches de parement et de caractériser le comportement des planches de parement exposées à des conditions météorologiques réelles à partir d'un dispositif expérimental de pleine grandeur.
PDF
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