Friday, July 5, 2013

Fields of Yellow

Checking in on a project from last fall & I was transported to a sea of yellow!

We installed these pre-grown sedum trays at New York Hospital Queens (NYHQ) - 15,000 SF in all. The sedum will help to regulate and capture stormwater runoff during wet weather, so we've been watching it do its job all week. The roof is visible from many patients' rooms, so this golden oasis can add a bit of brightness to these grey days!

Sedum is a water-holding plant that also has drought tolerance. It can grow in many colors, but ours grew in with the cheery hue of sunshine! It has a special type of metabolism called "Crassulacean Acid Metabolism' (CAM) which, during draught conditions, allows it to open its leaf pores at night rather than during the day, making it more efficient than non-CAM plants. We got our trays from LiveRoof, a great network of green roof growers.

The roof will be monitored by Manhattan College students, who will be measuring its impact on local water systems. Making it not only a beautiful site, but also a learning space.

The greenroof at NYHQ was just one aspect of the hospital's plan to reduce their environmental impact. They also replaced old equipment with newer high efficiency models, began a recycling program - the hospital was the first to meet Mayor Bloomberg's challenge to NYC hospitals, universities, and businesses to reduce overall carbon emissions by 30 percent over ten years. NYHQ met that goal in just two!

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