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      • McFarlan Road Board Renovation

        McFarlan Road Board Renovation

        Media Office

        Historic building renovation of abandoned barn in Kennett Square PA to a twin unit dwelling.

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      • “River Place”

        “River Place”

        Lewiston Office

        A structural engineering masterpiece located on the Potlatch River in Idaho.

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      • Central Energy Plant

        Central Energy Plant

        Lewiston Office

        St. Joseph Regional Medical Center recently completed a $15 Million project to construct a new central energy plant to provide power and other utilities to the entire campus.

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      • Skye Park Bridge

        Skye Park Bridge

        Kalispell Office

        The Skye Park Bridge and path project over the Whitefish River.

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      • Fire Station No. 3 Remodel

        Fire Station No. 3 Remodel

        Spokane Office

        TD&H Engineering was hired by Chris Morlan Architects as a subconsultant to perform structural design tasks for the remodel of Fire Station No. 3. The remodeling included an one-story CMU addition tied into existing structure, and a 6-ton crane beam design.

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      • N. Idaho Residence

        N. Idaho Residence

        Spokane Office

        Overlooking one of Northern Idaho’s most beautiful lakes and set on top of a very steep hillside site this beautiful five-story residence with driveways on the upper and lower ends, an elevator, large open windows and large cantilevered decks. TD&H performed both structural and civil design for this structure which involved multiple steel beams, steel frames, retaining walls, and site specific design. This project was designed by Don Henrichs with Design Alliance.

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      • G Student Housing

        G Student Housing

        Spokane Office

        TD&H consulted with RnD Architects to best develop a modern looking apartment building to serve the students at Gonzaga University. This unique entryway has been framed with steel in the shape of a “G” and the main floor has a large spacious area with a Kitchen, media pit, and open areas.

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      • Spill Channel Re-Design

        Spill Channel Re-Design

        Spokane Office

        TD&H provided topographic surveying of the channel, geotechnical engineering, civil engineering, structural engineering, construction administration, and construction inspection for eight concrete weirs anchored in the Spokane River channel.

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      • Indian Creek Railroad Trestle Landslides

        Indian Creek Railroad Trestle Landslides

        Great Falls Office

        This project consists of a steel railroad trestle (early 1900’s) approximately 1300 feet long and 160 feet high. Both approach abutments were constructed on existing landslides.

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      • Water System Improvements

        Water System Improvements

        Lewiston Office

        Design, survey, construction management and construction staking of citywide water systems improvements including the installation of two new wells situated to allow them to draw on a different aquifer than the city’s current wells, a new pump house, new transmission mains to link the new wells to the city’s existing storage tanks, installation of new service loops, larger distribution mains, and replacement of services.

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      • Potlatch No. 1 FCU Building

        Potlatch No. 1 FCU Building

        Lewiston Office

        TD&H provided field surveying, topographical surveying and civil design site plans and specifications for two building sites which are located in Clarkston, WA and Grangeville, ID.

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      • 4th St. Parking Project

        4th St. Parking Project

        Lewiston Office

        TD&H worked Phase I with design and construction of additional parking lots for Lewis-Clark State College and Phase II involved construction to coordinate stormwater improvements with the City of Lewiston.

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      • Staybridge Suites

        Staybridge Suites

        Great Falls Office

        TD&H performed Phase I and Phase II site assessment work for the Brownfields project, including hazardous building materials assessments for the structures formerly on the site

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      • Federal Courthouse

        Federal Courthouse

        Great Falls Office

        TD&H performed construction materials testing for a $20 million new federal courthouse in Great Falls, Montana.

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      • Industrial Park

        Industrial Park

        Great Falls Office

        TD&H has provided engineering support to Montana Specialty Mills for their planned move to a new industrial park property.

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