Swollen by a large storm event, the Middlebury River and local drainages damaged VT 125 in Ripton. The highway was temporarily repaired in the weeks immediately following the storm, but long-term repairs were sorely needed. The project environment consisted of steep roadway embankments immediately adjacent to the Middlebury River. High water velocities and a sinuous…
DuBois & King (D&K) provided construction administration and observation services for the installation of new water, sewer, stormwater, phone, cable, and power utilities to serve a new neighborhood within the South Ridge development. Our team reviewed the stormwater collection and treatment systems for compliance with the project permits and state rules. D&K assisted with Act…
In response to repeated storm damage to this 1,900-ft-long, circa 1960s Army Corps granite block protection levee, the Town of Lincoln needed to repair the levee to maintain an acceptable level of service. DuBois & King evaluated the structural, hydrologic and hydraulic, civil, and structural conditions and requirements of this site along the Pemigewasset River….
Approximately 400 LF of the Town Highway 35 (Gilman Road) embankment along the White River failed as a result of flooding following a severe storm. The vertical height of the failed riverbank is approximately 80 ft. The road embankment was eroded, and the resulting slope was unstable and vulnerable to damage. On behalf of the…
Manufactured housing communities in Vermont provide practical housing solutions; however, some of these communities are disproportionately affected by environmental issues. The Vermont Department of Environmental Conservation sought consultants to provide Preliminary Engineering Reports (PERs) and design solutions that responded to the specific challenges faced by MHCs and a backlog of failing wastewater, potable water, and…
The Tri-Park Cooperative Housing Corporation forms the largest mobile home entity in Vermont and serves a significant role in affordable housing. Located at the confluence of Whetstone Brook and two other waterways, homes within the cooperative were damaged or removed as a result of flooding in 2005 and 2011. D&K developed a flood hazard mitigation…
The City of Burlington wished to enhance bicycle connectivity along Colchester Avenue, which crosses the University of Vermont education and medical center campuses. The project area was heavily used by vehicles, bicycles, and pedestrians, and the city wanted to alleviate congestion by constructing an off-street, 2,150-ft-long by 10-ft-wide concrete multiuse path to provide an active…
For the construction of the new US Department of Labor (DOL) New Hampshire Job Corps Center, DuBois & King’s survey crew tied into existing boundary corners and collected 1-ft contour intervals on an undeveloped 20-acre wooded parcel. Our surveyors developed the topographic survey into a 3D-model base plan to assist our design team in performing…
The City of Providence undergoes chronic and damaging flooding in the urban center. D&K is developing a Watershed Plan Environmental Assessment document to identify flood mitigation strategies along the Woonasquatucket River. The plan considers the potential impacts of alternatives on environmental and social resources. Alternatives include lowering the grade of some floodplain areas to allow…