Green Roof Requirements Toronto

As part of the permit process you must complete a green roof declaration form.

Green roof requirements toronto.

May 03 2012. In 2009 toronto was the first city in north america to adopt a bylaw to require and govern the construction of green roofs. The standard consists of tiers tiers 1 to 4 of performance measures with supporting guidelines that promote sustainable site and building design. The green roof industry has responded by developing various types of lightweight growing media.

The toronto green standard is toronto s sustainable design requirements for new private and city owned developments. 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. 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 requirement ranges from 20 60 of.

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. Toronto green roof construction standard. While also meeting the minimum ontario building code obc requirements. Gather your supporting documents.

Print name signature date. 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. For more information on how to apply for a permit contact the toronto building customer service counter closest to you. 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.

The green roof bylaw sets out a graduated green roof requirement for new development or additions that are greater than 2 000 m in gross floor area. 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. A green roof declaration form is required for the installation of a green roof.