Green Roof Data Center

It is one of seven green roof demonstration projects in the anacostia river watershed of dc that the chesapeake.

Green roof data center.

In some cities buildings with green roofs may be eligible for lower storm water management fees due to the fact that green roofs reduce the amount of storm water that leaves the site. How green roofs and cool roofs can reduce energy use address climate change and protect water resources in southern california if green roofs or cool. The one block wide twelve story building had a substantial roof area that was ideal for planting and data collection. Starting october 1 2014 the 2014 los angeles green building code requires that roofing material used in residential buildings meet minimum values for 3 year aged solar reflectance and thermal emittance or for sri.

The site was constructed to use just 30 percent of the power that would be required for a comparable data center and it literally has a green roof. The green roof on the chicago city hall building was installed as part of a environmental protection agency study and initiative to reduce the urban heat island effect in the city and improve air quality. Vegetation covers about 72 percent of it absorbing water and helping keep the building s temperature more consistent throughout the year. Roof produced a 10 percent decrease in building energy use over the winter months.

As green roof plants mature and root systems grow storm water retention may increase. Green roofs are being promoted as an optional bmp throughout the washington d c. The temperature on the green roof on the hottest summer days can be as much as 59 degrees cooler than conventional roofs on neighboring buildings. Green roof green roof performance data.

City of los angeles cool roof ordinance building code requirements. Green roof temperatures can be 30 40 f lower than those of conventional roofs and can reduce city wide ambient temperatures by up to 5 f. The javits center s state of the art nearly 7 acre green roof can absorb up to seven million gallons of storm water run off annually while reducing heat gain throughout the building. Data collected from a study by researchers at the pennsylvania state university center for green roof research show that green roofs captured up to 80 of rainfall during rainstorms compared to 24 typical for standard roofs.

1 2 in addition green roofs can reduce building energy use by 0 7 compared to conventional roofs reducing peak electricity demand and leading to an annual savings of 0 23 per square foot of the roof.