BPA Green Roof – Construction Updates
Some updated photos of the Bonneville Power Administration Building Green Roof, currently in the last stages of construction. Progress has been swift on Levels 5, 6, and 7, with pavers, edging, growing media, and plantings coming in, to be quickly followed by irrigation and completion of the large fourth floor roof. See below for some in-progress images of the work happening on-site.
plant and rock ‘stream’ layout on level 7
fine tuning the grading on level 6
grading and stream bed on Level 5
diversity of semi-intensive plantings including small scale trees and shrubs
remaining areas will get sedum cuttings; note custom bench that mounts to roof davits





[...] gray morning today for the ribbon cutting atop the Bonneville Power Administration 905 Building Green Roof, with some special guests, including BPA Executive Vice President of Internal Business Services Kim [...]
[...] gray morning today for the ribbon cutting atop the Bonneville Power Administration 905 Building Green Roof, with some special guests, including BPA Executive Vice President of Internal Business Services Kim [...]
[...] year, we prepared some graphics for the BPA 905 Building Green Roof project, to submit it for a couple of awards. While unfortunately, we didn’t get an award, the [...]