Green Roof Maintenance Requirements

Green roofs that meet minimum growing medium thickness requirements are permitted a dcia reduction equal to the entire area of the green roof.

Green roof maintenance requirements.

Green roof maintenance involves watering weeding and plant care. Plant species are selected so that the roof does not need supplemental irrigation and requires minimal infrequent fertilization after vegetation is initially established citation. 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. Intensive green roofs can have maintenance requirements equal to a ground based landscape and are often best left to the professionals.

They also have training spraying and working with hazardous materials as well as full certificates for working with mansafe systems. Green roofs are appropriate in most of the properties in the city including residential commercial industrial and institutional properties. This will enable the plants to sink their roots into the substrate. All of our uniformed operatives at the green roof maintenance company are fully trained and insured to work at height.

Inspections should address overall plant health moisture levels and drainage pathways. Write a maintenance plan and familiarize the fm team with it. Inspect the green roof at least 5 times a year for weeds and seeds carried by the wind and remove these. This document is intended to be a resource for the creation of a maintenance plan and for documenting the activities.

All roofs require a minimum of two inspections a year to ensure that the outlets etc are maintained regardless of the type of green roof. Once a green roof is well established maintenance requirements are usually minimal. Green roof systems are typically designed using hardy drought resistant varieties that can thrive in a harsh roof top environment. If the green roof is installed in a warm and dry period we recommend watering the green roof regularly for the first 2 to 3 weeks.

Maintenance requirements may include inspection of the roof membrane and drainage flow paths. Green roofs will require a level of maintenance comparable to at grade landscapes. After the green roof is first installed you need to check plantings every week or two creath. Finally i wanted to recommend one last resource that will help you keep tabs on how the pros do annual checks of green roofs in bigger buildings.

It should include a site map green roof type planting schedule and irrigation controls. Extensive green roofs typically don t require built in irrigation systems in most regions. Impervious roof areas that drain to these green roofs can be also considered as disconnected impervious cover and thus included in the green roof s dcia reduction. Proactive maintenance will always be best.

Doee stormwater management guidebook chapter 3 2.