However the design and operational needs of a green roof should not place undue stress on water supply and other natural resources.
Green roof management plan.
If local government planning departments and vcat want to ensure green roofs function as hoped and intended we recommend they require a green roof management plan as a key element of the planning application.
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These cns reflect the broader range of storage options found in newer green roof systems.
Key considerations for implementing green roofs include the structural and load bearing capacity of the building plant selection waterproofing and drainage or water storage systems.
The quantity of rainfall retained or detained by a green roof can vary.
Green roof maintenance only occurs within the context of management of the green roof.
Proper maintenance protects your investment and ensures your system achieves its original intent whether that s for thermal performance stormwater management or aesthetic value.
Green roofs can also further insulate the building reducing cooling and heating costs.
Green roof performance measures.
Columbia green recommends irrigation as a management tool during the establishment period and prolonged hot dry.
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Green roof maintenance.
Showcase of green roof projects.
For intensive green roof profiles a drain restrictor may be used to retain water in the base of the profile for subsequent plant transpiration.
Equipped with a green roof management plan the leader of the horticultural maintenance team can form a maintenance plan which sets out the goals for the cultivation of the green roof over a shorter period of time such as two years.
Monitoring of a new green roof for water quality and quantity.
An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes.
A review summary of recent green roof research illustrating stormwater management benefits 2008 helpful websites.
5 52 green roofs are an essential sustainable design consideration and can take many forms in order to maximise their benefits in a given location.
Many green roof system manufacturers won t supply a system without a maintenance plan in place from the onset he adds.
That plan reviewers and designers use the reduced cns shown in table 2 below for assessing enhanced green roof systems for compliance with the esd to the mep mandate.
Stormwater plan review is the unit within philadelphia water responsible for reviewing development projects in the city of philadelphia to ensure compliance with the stormwater regulations.