Benefits of a green roof reduce the amount of stormwater runoff and delay the time in which runoff occurs making green roofs a real asset to cities struggling with aging storm and sewer infrastructure green roofs can support a variety of plant types and species adding biodiversity and providing habitat for pollinator species.
Green roof management plan.
Many scientific researches focus on its cooling.
A review summary of recent green roof research illustrating stormwater management benefits 2008.
Many green roof system manufacturers won t supply a system without a maintenance plan in place from the onset he adds.
A report of a green roof monitoring experiment conducted by the district in 2007.
Ideally the management plan is developed in conjunction with design and it both influences and is influenced by the design.
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.
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.
Proper maintenance protects your investment and ensures your system achieves its original intent whether that s for thermal performance stormwater management or aesthetic value.
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 components growing media water holding capacity field capacity maximum water capacity astm test.
We have produced a design considerations guidw for green roofs which can be downloaded from our website.
Green roofs can also further insulate the building reducing cooling and heating costs.
Moisture retained by media that cannot be removed aka wilt point 12 18 typ.
Green roof maintenance only occurs within the context of management of the green roof.
This document is intended to be a resource for the creation of a maintenance plan and for documenting the activities.
The quantity of rainfall retained or detained by a green roof can vary.
Green roofs have been established for over 100 years and they have been become one of the key elements in urban area in the past few decades.
Green roofs will require a level of maintenance comparable to at grade landscapes.
Moisture retained by saturated media after free draining 40 60 typ.
Green roof performance measures.