WaterSmart Irrigation & Water-Harvesting Enhance ASLA Center for Landscape Architecture

by Jim Davis, ASLA

ASLA Center for Landscape Architecture green roof / image: EPNAC

Modifications to the American Society of Landscape Architects (ASLA) Headquarters building, now known as the Center for Landscape Architecture (CLA), are nearing completion for higher performance in water conservation. The exterior improvements are of particular interest to landscape architects and others who are sustainably-minded, as part of their ongoing Energy-Star initiatives. In addition to interior upgrades and hardscape improvements outside, the primary improvements of high interest to ASLA’s Water Conservation PPN include the water-harvesting system and the WaterSmart approach to irrigation for the greenroof, the new courtyard (east of the building) and the planted canopy overhanging the front windows and entry on the north side.

The light fixtures are visible, but the micro-spray emitters are not, in the building’s planted main entrance canopy.
Mostly shaded, the courtyard plantings are watered by low-volume drip-irrigation.

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