Toronto Green Roof Standards

Residential apartment development 4 storeys and higher and all industrial commercial and institutional ici developments.

Toronto green roof standards. Complete in conjunction with the full toronto green standard version 3 0 tgs v3 0 and specifications. Tier 2 3 and 4 higher performance levels are voluntary and are associated with financial incentives. 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. In 2009 toronto was the first city in north america to adopt a bylaw to require and govern the construction of green roofs.

A green roof assembly includes as a minimum a. The toronto green standard sets the oficial plan s vision of sustainability into action and is a key strategy to achieve the city s climate change action plan an aggressive environmental framework aimed at reducing toronto s greenhouse gas emissions by 80 per cent by 2050. Achieving the tgs performance measures will help meet this goal. Vf 1 fire design guidelines.

The requirement ranges from 20 60 of the available roof space of a building. Toronto s green roof bylaw defines a green roof is an extension of an above grade roof built on top of a human made structure that allows vegetation to grow in a growing medium and which is designed constructed and maintained in accordance with the toronto green roof construction standard. Under the city s green roof bylaw the transit commission was required to provide 50 per cent green roof coverage. Green roof assembly city of toronto by law no 583 2009 492 9 a.

Mid to high rise residential non residential version 3. Green roofs for healthy cities grhc and spri inc the trade association representing the manufacturers of commercial roofing systems and component suppliers are pleased to announce that ansi has accepted their vf 1 fire design standard for vegetative roofs as an american national 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. The standard consists of tiers tiers 1 to 4 of performance measures with supporting guidelines that promote sustainable site and building design.

In the early design stage however the ttc s board felt that figure should be increased to 54 per cent and the design builder was able to accommodate that request for a slight increase in the contract award says macdonald.