Mendenhall Glacier Visitor Center Sustainability Planning
Mendenhall Glacier is located just south of Juneau, Alaska, and spans an impressive 13.6 miles. The primary objective of this project was to reduce energy, water, waste, and pollution at the Mendenhall Glacier Visitor Center, which receives more than 500,000 visitors annually and is the most frequently visited Forest Service…
Bozeman Area Alternative Transportation Study
The Bozeman area has stunning recreational areas in all directions; however, access to many of these areas is problematic and demand is steadily increasing. The dominant mode of transportation to these areas consists of private automobiles, roadways and parking areas. Recreationalists are increasingly impacted by the limits of this transportation…
Dam Assessments for Beaverhead-Deerlodge NF
DJ&A was tasked with completing dam assessments for 53 remote, earthen dams located across the Beaverhead-Deerlodge National Forest in southwest Montana. Assessments included review of existing historical dam data, site visits to evaluate conditions of the existing dams and appurtenances, breach analysis, hazard classifications and final reporting. One of the…
John Day AOP Projects
This project included aquatic organism passage (AOP) design at eight culvert replacement sites near John Day, Oregon, on the Malheur National Forest. The final design for all sites included open-bottom structural plate arches on precast concrete footings. During the first phase of the project the DJ&A crew accompanied Forest Service…
Edna Bay Bridge Replacement Designs
DJ&A completed the design for the replacement of four log stringer bridges with permanent bridges near Edna Bay, a small rural community located on Kosciusko Island in Southwest Alaska. Access to this remote area was limited, and an initial site visit and site survey was completed by a two-person crew,…
Deadwater Salmon River Bank Stabilization Project
This project included the stabilization of a section of shoreline along the Salmon River in Idaho, where years of icy flows had caused the streambank to erode. DJ&A was tasked with the development of range of alternatives to stabilize the stream and improve the surrounding roadway. DJ&A performed the site…