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…
With 122 beds, the Central Vermont Medical Center serves the 26 communities of Central Vermont and provides a variety of inpatient and outpatient services. For decades, CVMC has entrusted D&K to assist with the support of their projects with civil-site, permitting, traffic engineering, and MEP needs. Our extensive work on the CVMC campus has provided…
The existing circa-1927 water lines were deteriorating and in need of replacement due to frequent leaks and need for emergency repairs. D&K provided design, permitting, bid, and construction phase services to replace 3,083 ft of water lines, hydrants, valves, and metering as part of a 9,110-LF distribution system. Construction of the water distribution system was…
The city completed the design of improvements to the existing wastewater pump station. Through that process, it became evident that the existing system had reached the end of its operating life, and selected components should be replaced rather than upgraded to provide increased reliability, energy efficiency, safety, and compatibility with other city pump stations. D&K…
Orwell’s wastewater treatment facility includes an aerated lagoon facility that provides secondary treatment and chlorine disinfection of wastewater. The facility’s aging lagoon aeration system was a submerged lateral system that had become inadequate and inefficient. D&K provided design, bid, construction management, and startup assistance services to upgrade the lagoon aeration system to meet current standards….
The 40-year-old Northfield Wastewater Treatment Facility (WWTF) required a comprehensive upgrade of the facility and process conversion from Trickling Filter (TF) to Sequencing Batch Reactor (SBR) to comply with stringent phosphorous limitations. The site was constrained by the railroad and the Dog River, requiring geotechnical measures to protect rails. D&K conducted all professional engineering services…
During the surge of Tropical Storm Irene, flows at the town’s wastewater treatment facility decreased by 60%. It was determined that a double-barrel sewer siphon, consisting of an inlet and outlet structure, was destroyed by the storm when the Third Branch of the White River migrated 90 feet to the northeast. D&K provided design and…
Three small municipalities had to find a solution to maintain Lake Fairlee, a regional recreational resource with numerous lakefront properties that make up a substantial component of these towns’ grand lists. The logistics and politics of rehabilitating the Lake Fairlee Dam were complex: the dam is privately owned, and the dam’s concrete auxiliary spillway, which…
Under a multi-year contract and an expedited schedule, DuBois & King provided guidance on planning, technical, environmental, and regulatory issues. Projects under this contract included a Capital Improvement Plan update, technical master plan update, runway extension, hangar area development, terminal apron expansion, Environmental Assessment, construction of a full parallel taxiway, snow removal equipment acquisition, a…