To support construction of a new 95,000-SF two-story women’s state prison facility, D&K provided commissioning services for mechanical (HVAC), smoke control systems, the building energy management system, and the emergency generator system. Our team provided commissioning services for all project phases from predesign OPR development through schematic design through post-occupancy testing. We also provided State…
The NH 3A and Dunklee Road intersection previously existed as an unsignalized ‘T’ intersection that required operators of tractor-trailers to drive in the oncoming lane when turning right onto NH 3A—an unsafe condition. Located in an industrial/commercial context, NH 3A is frequently used to bypass a tolled section of I-93 near the I-93/I-98/NH-3A junction. Working…
The New Hampshire Army National Guard required commissioning for the mechanical, DDC controls, plumbing, and electrical systems for a new 26,000-SF facility. D&K provided all phases of Cx activities, from pre-design OPR development for the Owner, Cx specifications, Cx Plan development, continuing through full design phase Cx activities, including multi-stage design reviews and issues log…
For more than 15 years, D&K has served as an engineer-of-record for structural, mechanical, and electrical projects to renovate, maintain, and upgrade historic and contemporary classroom, laboratory, residence hall, office, and athletic facilities in addition to general campus infrastructure, such as steam tunnels, standby power, fall protection systems, and electrical vaults.
To increase the area of conserved wildlife habitat and provide public access to new Wildlife Management Areas (WMAs), the New Hampshire Fish & Game Department purchased two parcels in southwest New Hampshire. D&K completed a boundary survey for the new area. Our survey crew brushed the property area, blazed boundary lines, painted over blazing, witnessed…
The Baker River Site 8 dam is a 1,462-ft-long by 63-ft-high dam with a maximum storage capacity of 4,750 acre-ft and is fed by a 15.58-sq.-mi. drainage area. The dam uses a vegetated auxiliary spillway to pass high flows, and the main spillway system consists of a concrete riser and a small stilling basin. Constructed…
The Hooksett Hydroelectric Project includes a 1.6 MW run-of-the-river hydroelectric power generation dam that is a barrier to aquatic organism passage (AOP), including Blueback Herring, American Eel, and American Shad. D&K worked closely with officials from the U.S. Fish and Wildlife Service and the National Oceanic and Atmospheric Administration regarding the details of the design,…
NHDAS and the NH Legislature relied on a deteriorating parking structure to serve legislative sessions and other government needs. The NH State Government required a new 409-slip garage across the street from the State House on a site then occupied by the NH Department of Justice (DOJ) building. The DOJ was relocated within the City…
The Town of Enfield sought to develop a Non-Native Invasive Species Management Plan to control the non-native, invasive, terrestrial and aquatic plant species in the area. The objectives of the project included the maintenance of ecological integrity in Enfield and public education and outreach across New Hampshire. D&K developed field inventory methods and maps to…