Green Roof Requirements Toronto

Tier 1 of the toronto green standard is a mandatory requirement of the planning approval process.

Green roof requirements toronto.

The requirement ranges from 20 60 of. Toronto green roof construction standard. 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.

In this city green roofs also create lovely public spaces and. A green roof declaration form is required for the installation of a green roof. While also meeting the minimum ontario building code obc requirements. In 2009 toronto was the first city in north america to adopt a bylaw to require and govern the construction of green roofs.

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

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. 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 that are greater than 2 000 m in gross floor area.

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. 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. May 03 2012. For more information on how to apply for a permit contact the toronto building customer service counter closest to you.

Gather your supporting documents.