The objective of this study is to rate various envelope typologies according to criteria of most consequence to the participants of the Sustainable Housing Foundation’s Envelope Challenge. The study will create a framework for rating envelopes in a multi-criteria format.
Toronto’s CN Tower is the world tallest freestanding tower structure. Built between 1973 and 1975, this giant communication and observation tower represents the extensive design process that lasted six years. The structural design of the Tower was one of the major challenges of design process.
The objective of this study is to determine how LEED Existing Buildings, Operations and Maintenance [LEED EB (O&M)] and BOMA BESt rating systems perfrom with respect to reductions in environmental impact, measureable resource use, continual improvement and perceived social values. The study will also place these two ratings into a context of other environmental initiatives that may affect building owners and occupiers.