Hydrology & Hydraulics

View of 36-foot wide arch culvert creek crossings

Mitchell/Shiloh/Conde Drainage & Roadway Improvements

Mitchell/Shiloh/Conde Drainage & Roadway Improvements Town of Windsor, California Coastland | DCCM completed design and project management for three 36-foot wide arch culvert creek crossings, 1.5 miles of roadway extensions, reconstruction and overlays, new sidewalk, drainage improvements, storm drain creek outfalls, water and sewer main extensions, new travel lanes and bike lanes, electrical facilities, railroad […]

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FEMA/CALEMA Erosion Control Projects

FEMA/CALEMA Erosion Control Projects County of Napa, California Coastland | DCCM currently provides civil engineering services for the repair of several FEMA and State funded flood repair projects throughout Napa County. These projects include the design and construction of repairs to County roads and bridges that were damaged during severe rainstorms. The rainstorms saturated soil

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Construction workers installing tree well units along the side of a road

Talbot Avenue Storm Water Quality Project

Talbot Avenue Storm Water Quality Project City of Santa Rosa, California Coastland | DCCM designed the Talbot Avenue Improvement Project to treat water runoff by employing bioretention tree well systems and hydromodification control systems. The tree well units are custom manufactured by Filterra Bioretention Systems, housing filter media in underground concretes containers. The media capture

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View of Foss Creek Trail food bridge

Foss Creek Trail

Foss Creek Trail City of Healdsburg, California Coastland | DCCM prepared feasibility studies and performed engineering design to develop a key bicycle and pedestrian pathway along the SMART corridor in downtown Healdsburg. The Foss Creek Pathway extends from the southern to northern limits and plays a significant role in growing the community and encouraging transit-oriented

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