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…
The Las Cruces International Airport (LRU) required a Master Plan to tie the airport’s use to the Las Cruces Innovation and Industrial Park and Spaceport America. In developing the Plan, D&K held multiple meetings with airport users, local businesses, and commercial space operators. LRU’s needs included the addition of a hotel, special-use space launch areas,…
To manage the development of ancillary highway and safety projects in scoping, design, and construction phases, the Vermont Agency of Transportation engages on-call consultants to provide engineering evaluation, design, permitting, and appurtenant professional services. D&K provides services under a statewide contract developing projects that enhance traffic control and signing, intersections, slopes, rail crossings, park-and-rides, rest…
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…
The Glencliff Home is an off-the-grid assisted living facility whose primary purpose is to provide adults with mental health care. The campus includes residential, care, office, and maintenance spaces and uses a combination of renewable energy systems, including a hydroelectric facility, as well as fossil fuels to supply power and heat. For many years, D&K…
To provide wide-ranging, reliable, and high-capacity coverage, Verizon Wireless renovates its facilities, establishes new sites, and constructs telecommunication installations on existing, prominent structures. D&K has served more than 200 of Verizon’s locations throughout Vermont. Sites range from locations in buildings, on farm silos, and at other urban locations or in remote rural, mountain, and wooded…
Gifford’s Medical Center’s (GMC) emergency power system required an evaluation and a number of facility upgrades. D&K’s multidisciplinary team provided MEP and structural design for a pad-mounted transformer, service entrance, generator, service entrance power distribution, transfer switches, dry-type transformer, and related feeder work. Mechanical upgrades included a roof-mounted air handler and associated piping design. Structural…
To address the evolving needs of US service members, the VA is committed to maintaining and renovating its facilities and campuses. For over a decade, D&K’s civil, structural, mechanical, and electrical engineers and other professionals have served in a lead role in renovating VA medical centers, developing campus-wide energy efficiency projects, and leading the design…