Macdonald Environmental Planning is acting as the green roof Consultant on this Veterans Administration Acute Care Nursing home at American Lakes Hospital in Tacoma, WA. The green roof was installed on approximately 30,000 square foot roof with planting media depths ranging from 3 inches over the majority of the roof to 7 inches at the […]
Macdonald Environmental Planning was engaged on this University District campus to design the pubic courtyards for patients, staff and family members to enjoy. The courtyards were planned to promote access to natural plantings, water features and gathering areas for healing purposes. Three water features were designed to make the gardens tranquil and meditative in order […]
A mix of sedums, fescues, wildflowers, perennials and ornamental grasses resemble an open meadow atop the Multnomah County Building. The green roof, winner of a People’s Choice Award, is highlighted by a public viewing area with interpretation boards describing the design, construction process and environmental benefits.
Portland’s historic downtown library is now a “green building”. We began by conducting a feasibility evaluation on tray and unit type green roof construction products. Our final design for the green roof included a 3-inch thick tray system with built-in irrigation. The plant palette included a variety of extremely drought tolerant sedums.