Green Roof Requirements Toronto

In 2009 toronto was the first city in north america to adopt a bylaw to require and govern the construction of green roofs.

Green roof requirements toronto.

May 03 2012. Thanks to a 2010 bylaw mandating that new commercial and residential buildings in toronto reserve at least 20 percent of their roof space for vegetation toronto was recently recognized for having installed the most green roof area in north america. In addition the required maintenance plan for the green roof as per csa s478 95 guideline on durability in buildings has been submitted to the building s operations group. The green roof by law consists of a green roof construction standard and a mandatory requirement for green roofs on all classes of new buildings.

Print name signature date. Toronto green roof construction standard. For more information on how to apply for a permit contact the toronto building customer service counter closest to you. A green roof declaration form is required for the installation of a green roof.

Gather your supporting documents. Green roof requirement now includes industrial facilities in toronto a mandate that requires installation of green roofs on new commercial and residential buildings in toronto has been expanded to include industrial facilities. This is a lot considering that in ontario canada existing roofs are typically designed for a live load of only 40 lbs per square foot 195 kg per square metre which includes the snow load. The green roof industry has responded by developing various types of lightweight growing media.

The standard consists of tiers tiers 1 to 4 of performance measures with supporting guidelines that promote sustainable site and building design. While also meeting the minimum ontario building code obc requirements. The by law requires up to 50 green roof coverage on multi unit residential dwellings over six stories schools non profit housing and commercial and industrial buildings. The green roof bylaw sets out a graduated green roof requirement for new development or additions greater than 2 000 m gross floor area as well as governing the construction standards of green roofs.

In fact we re up to about 500 living roofs. The requirement ranges from 20 60 of. The toronto green standard is toronto s sustainable design requirements for new private and city owned developments.