Green Roof Requirements Toronto

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.

Green roof requirements toronto. While also meeting the minimum ontario building code obc requirements. The requirement ranges from 20 60 of. Toronto green roof construction standard. The green roof industry has responded by developing various types of lightweight growing media.

Tier 1 of the toronto green standard is a mandatory requirement of the planning approval process. 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 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. May 03 2012.

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 toronto green standard is toronto s sustainable design requirements for new private and city owned developments. 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. 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.

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. As part of the permit process you must complete a green roof declaration form. Print name signature date. Gather your supporting documents.

In 2009 toronto was the first city in north america to adopt a bylaw to require and govern the construction of green roofs. In fact we re up to about 500 living roofs. A green roof declaration form is required for the installation of a green roof.