D&K provided architectural, MEP, structural, and civil engineering design to renovate a 3,700-SF, two-story administration building using a Net-Zero basis of design and operation. The building is powered by solar PV arrays located on site. The scope included design of a new high-performance envelope, expanded interior space with structural improvements, new MEP systems, and civil…
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…
The New Hampshire Army National Guard (NHARNG) prepared the New Hampshire National Guard Training Site (NHNGTS) Site Development Plan to analyze how best to meet training objectives. Preparation of an Environmental Assessment (EA) was necessary to satisfy NEPA requirements for implementing the Site Development Plan. D&K performed the EA, assessing the individual and cumulative effects…
The New Hampshire Department of Environmental Services identified the 1861 concrete and masonry Union Village Dam as high-hazard and deficient in a number of areas. The owners’ preferred option was to remove the dam to reduce potential hazards and remove a hydraulic and aquatic organism passage barrier from the river, restoring the river to a…
The goal of this project was the removal of Stone Pond Dam and associated structures, the restoration of Scott Brook to a free-flowing condition, and the removal of an unnatural barrier to aquatic organism passage (AOP). D&K developed a study and provided a removal design that considered H&H, sediment transfer, and soils and identified alternatives…
For a wide-ranging park expansion and redevelopment effort, Manchester’s Parks, Recreation, and Cemetery Division selected D&K as a partner to perform detailed site analyses of multiple schools, recreational areas, and other properties, including rehabilitation of the Piscataquog River Park. D&K provided planning, design, and construction administration services for the realignment of the entry roadway, a…
The City of Laconia’s Parks and Recreation Department sought to create a new infill park on Lucerne Avenue. The park included a restroom building, an amphitheater, a playground, and a pavilion. D&K worked with subconsultants to accomplish Low Impact Development practices and provided part-time construction observation services, concrete foundation testing observation, and contract administration services.
An aging concrete and masonry dam was deemed structurally deficient by state regulators, and the owners could not justify the expense of reconstruction. D&K connected the owners with the NRCS to fund the construction, which included the removal and disposal of the dam and active restoration of the stream channel. Our team designed the removal…
The Charlestown drainage system consisted of 20 catchbasins, manholes, and approximately 3,700 feet of stormwater conveyance pipe, which collected stormwater from approximately 20 acres of pervious and impervious surfaces. D&K evaluated the stormwater collection and conveyance system due to observed system failures, such as stormwater being discharged from the system through inlets rather than the…