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.
Green roof management plan.
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A review summary of recent green roof research illustrating stormwater management benefits 2008 helpful websites.
Green roof maintenance.
Monitoring of a new green roof for water quality and quantity.
Because a green roof is a living system the maintenance plan may require a certain amount of modification over time as the roof matures and you come.
The quantity of rainfall retained or detained by a green roof can vary.
For intensive green roof profiles a drain restrictor may be used to retain water in the base of the profile for subsequent plant transpiration.
These cns reflect the broader range of storage options found in newer green roof systems.
Ideally the management plan is developed in conjunction with design and it both influences and is influenced by the design.
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.
Green roofs can also further insulate the building reducing cooling and heating costs.
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.
An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes.
Proper maintenance protects your investment and ensures your system achieves its original intent whether that s for thermal performance stormwater management or aesthetic value.
Columbia green recommends irrigation as a management tool during the establishment period and prolonged hot dry.
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.
Green roof performance measures.
However the design and operational needs of a green roof should not place undue stress on water supply and other natural resources.
Many green roof system manufacturers won t supply a system without a maintenance plan in place from the onset he adds.
Showcase of green roof projects.
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.