Green Roof Ordinance Denver

The lawn irrigation and green roof licenses help ensure a high standard of green roof construction by individuals who are skilled in selecting vegetation appropriate for denver s climate and equipping it for successful growth and maintenance going forward long after a green roof installation is.

Green roof ordinance denver.

New buildings over 25 000 gross square feet. Licensed roofing contractors will need to obtain licenses in lawn irrigation and green roof installation to build green roofs. The ordinance sought to achieve important environmental benefits for the city primarily by reducing urban heat island impacts and greenhouse gas emissions. The group composed of people from academia industry government and creators supporters of the original initiative met nine times throughout the first half of 2018 eventually drafting a proposal that was circulated to the public for input.

All available roof area. 6 compliance options for existing buildings over 25 000 sq ft denver made history late 2018 when the green roof initiative passed making it the second city in the country to mandate green roofs. Denver green building ordinance. Buildings over 25 000 sqft must dedicate a percentage of a building s roof to green vegetative space.

The denver green roof ordinance goes into effect on january 1 st 2018. The green roof permit requires a denver licensed green roof installer. There are specifications for which types of roof construction will have to obey this ordinance. Foot of green space required but not provided.

In november 2017 denver voters passed a green roof ordinance green roof initiative which required new and existing buildings over 25 000 square feet in size to install a green roof either as the building was constructed or when the roof was replaced for existing buildings. For certain roof construction from this point forward 20 60 of the roof will need to support green roofing. Denver green building ordinance. 70 of total roof area or.

Payment to green building fund. 60 of total roof area or. Denver s green roof law now the green building ordinance has resulted in one planned green roof it s still early but the law is adding new green features that make big new buildings compliant. Denver colorado a citizen initiative to require the roofs of large buildings to be green or a combination of solar panels and green initiated ordinance 300 was on the ballot for denver voters in denver county colorado on november 7 2017.

The green roofs initiative became the green buildings ordinance by the end of 2018 after the green roofs review task force issued its recommendations. 10 of building or addition s gfa or. Generate 100 of the building or additions annual estimated electricity use or.