This system would have a higher maintenance cost per year but still cuts the energy.
Wpi green roof.
Worcester polytechnic institute wpi will install the city of worcester s first living green roof atop the soon to be completed residence hall east hall.
Green roofs cost between 23 sf and 31 sf.
An extensive green roof system for the recreation center roof would have a low installation cost of about 80 000.
A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane.
Roofs need to support their own weight the green roof and the code loads.
An ordinary tar roof requires roofing replacement after a certain amount of years while green roof do not require roofing replacement because the vegetation protects the roof from the environmental elements.
Pv produces more energy per year than green roofs but because of the high installation cost it would not be as beneficial to wpi.
Located on top of east hall wpi s second leed certified building the green roof is home to a 5 000 square foot garden composed of sedum chives and other plants as well as a stormwater collection system that provides the department of civil and environmental engineering with the ability to study flow and quality of the.
A green roof is more expensive to install than a traditional roof.
We identified 57 possible green roof sites.
It may also include additional layers such as a root barrier and drainage and irrigation systems.
There are 47 acres of flat roofs within the 450 acres of combined sewer area in main south.
Those initial higher costs make up the majority of the cost that.
Green roofs weigh 11 psf to 80 psf.
Windstorm roofing requirements 2006 irc 1 windstorm roofing requirements 2006 irc coastal building inspections and engineering cbi is an engineering and inspection company located in alvin texas.
Wpi buildings cost benefit analysis the cost benefits of a green roof can be somewhat tricky to figure out because of the variability in size materials and labor costs.
The green roof demonstrates the university s commitment to sustainability and it will also help with wpi s ongoing academic research of stormwater quality and quantity.
In addition to its environmental duties the green roof is used in academic research by faculty members and students in wpi s department of civil and environmental engineering who study stormwater quality and flow rate.