Background. The pathways in a century-old Barcelona park continued eroding despite the efforts of park maintenance officials to stem the erosion by re-grading pathways and constructing concrete and stone ditches.
Fines Preservation That Ecologically Manages Gravel Runway Dust
The Alaska DOT&PF operates almost 300 remote gravel runways for commercial, charter and private air traffic. One of the DOTs’ needs in operating these runways is to minimize the gradual loss of vital fines. These fines are one of the sources of fugitive dust that impacts the health of neighboring populations (e.g., U.S. EPA PM10 and PM2.5 requirements) and aircraft …
From a Combative Troubleshooting Situation to Planned Maintenance
Background. Open area construction sites with unpaved roadways can be the source of dangerous fugitive dust.