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        • Gritman Medical Office Building

          Gritman Medical Office Building

          Spokane Office

          TD&H Engineering provided structural design of the foundations, floor systems, roof system, and lateral system for Gritman Hospital’s new medical building in Moscow, Idaho.

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        • McKenzie County Hospital

          McKenzie County Hospital

          Watford City

          TD&H was engaged for civil engineering services on the project which included site design, re-routing of an existing city street and its associated utilities, as well as coordination with the city of Watford City for planning approvals, platting, and off site utility extensions.

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        • Monforton Middle School

          Monforton Middle School

          Bozeman Office

          TD&H Engineering performed civil and geotechnical engineering for the new Monforton Middle School in Bozeman, Montana. The new middle school and existing campus structure are capable of supporting the district’s future needs.

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        • Lower Granite Dam Juvenile Fish Facility Upgrade

          Lower Granite Dam Juvenile Fish Facility Upgrade

          Lewiston Office

          TD&H was selected to provide surveying and construction staking services for this $50 million project which will help increase the survival rate of salmon and steelhead making their journey through the dam.

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        • Thunder Alley Motorsports

          Thunder Alley Motorsports

          Spokane Office

          TD&H provided structural engineering services for the Thunder Alley Motorsports building in Tri-Cities, Washington. Services included foundation design, structural calculations for steel framing and construction administration.

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        • Water Storgate Reservoir Recoating, Eastern Washington University

          Water Storgate Reservoir Recoating, Eastern Washington University

          Spokane Office

          TD&H designed a new coating system for Eastern Washington University’s potable water storage reservoir that will provide 30+ years of protection.

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        • City of Leavenworth Commercial Street Improvements

          City of Leavenworth Commercial Street Improvements

          Spokane Office

          TD&H Engineering provided transportation design services for Commercial Street.

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        • Montana State University Yellowstone Hall

          Montana State University Yellowstone Hall

          Bozeman Office

          TD&H Engineering provided a multidiscipline scope of services for the newest 400-bed residence hall on the MSU campus.

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        • City of Livingston Engineering Services

          City of Livingston Engineering Services

          Bozeman Office

          TD&H Engineering provides miscellaneous and task-based engineering services as needed for the City of Livingston. Our role requires close collaboration with the City of Livingston’s Public Works Director and stakeholders.

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        • Downtown Bozeman Streetscape

          Downtown Bozeman Streetscape

          Bozeman Office

          The Bozeman Downtown Streetscape Improvements project is a multi-phase project providing functional and aesthetic enhancements throughout the core area of downtown Bozeman.

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        • Big Sky Town Center Residential & Commercial Complex

          Big Sky Town Center Residential & Commercial Complex

          Bozeman Office

          The Town Center property is designed to become an incorporated Town in the Meadow Village complex of Big Sky, Montana. TD&H Engineering successfully adapts to fast-changing market conditions affecting engineering design and demonstrates our ability to provide a wide range of services for diverse project needs.

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        • City of Belgrade Engineering Services

          City of Belgrade Engineering Services

          Bozeman Office

          TD&H Engineering provides on-call engineering services for the City of Belgrade. We are actively engaged with City personnel and stakeholders.

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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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        • Idaho “River Place”

          Idaho “River Place”

          Lewiston Office

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

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        • Skye Park Pedestrian Bridge & Path

          Skye Park Pedestrian Bridge & Path

          Kalispell Office

          TD&H Engineering designed and managed construction of the pedestrian bridge and path project over the Whitefish River

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        • Meadows RV Park

          Meadows RV Park

          Watford City

          TD&H Engineering provided services to this 30 unit RV park that includes public bathrooms, showers, and a laundry facility.

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        • Emerald Ridge Site Development

          Emerald Ridge Site Development

          Watford City

          The Emerald Ridge project consists of over 160 acres of multi-family residential, commercial, office, and retail structures to help accommodate the need for infrastructure in the heart of the Bakken oil field.

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        • Wolf Run Village & Wolf Pup Daycare

          Wolf Run Village & Wolf Pup Daycare

          Watford City

          Wolf Run Village provides much-needed housing for teachers, law enforcement personnel, and residents in this oil boom community.

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        • Town of Farmington Lift Station and Manhole Rehabilitation Project

          Town of Farmington Lift Station and Manhole Rehabilitation Project

          Spokane Office

          This project addresses excessive groundwater infiltration into the Town of Farmington’s sewage collection system and replaces a failing sewage pump station.

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        • Glenview and Apple Valley Sewer Designs

          Glenview and Apple Valley Sewer Designs

          Spokane Office

          These two projects for the Spokane County Public Works involved design and plan preparation for the installation of new sewer services in areas previously served by septic systems only.

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        • Town of Rockford Manhole Rehabilitation

          Town of Rockford Manhole Rehabilitation

          Spokane Office

          The Town of Rockford, Washington selected TD&H Engineering to develop solutions to inflow/infiltration problems in their sewer system.

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        • North Bank Sewer Replacement

          North Bank Sewer Replacement

          Spokane Office

          This project involved an emergency primary interceptor sewer replacement along Rock Creek and was funded by FEMA. TD&H completed plans and specifications for the removal and replacement of 850 LF of sewer main.

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        • Town of Rockford Wastewater Treatment Facility Improvements

          Town of Rockford Wastewater Treatment Facility Improvements

          Spokane Office

          This project provided a major upgrade to the Town of Rockford’s wastewater treatment plant.

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        • Five Mile Road Improvements

          Five Mile Road Improvements

          Spokane Office

          This $7 million City of Spokane project involved the widening and repaving of Five Mile Road between Austin and Lincoln Roads.

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        • Foster Creek Avenue Improvements

          Foster Creek Avenue Improvements

          Spokane Office

          TD&H Engineering provided improvements to the roadway, consisting of two 11’ travel lanes, two 5’ bike lanes, curb, gutter, and sidewalks.

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        • Nelson Street Rehabilitation

          Nelson Street Rehabilitation

          Spokane Office

          This project was a full depth curb-to-curb rehabilitation of Nelson Street from Mission Avenue to Marshall Avenue and surrounding residential streets. The project came in on time and under budget.

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        • Third Street Reconstruction

          Third Street Reconstruction

          Spokane Office

          TD&H Engineering reconstructed 0.34 miles of Third Street in the Town of Farmington, Washington.

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        • Davenport Water Park

          Davenport Water Park

          Spokane Office

          TD&H Engineering led the architectural and engineering team to provide design and construction administration services for this new swimming pool facility.

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        • Speed Slide

          Speed Slide

          Spokane Office

          The slide “Fastball” comes equipped with a radar gun at the exit and, according to Splash Down representatives, the sliders speed can reach 30 to 40 mph.

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        • Washington State Patrol Crime Lab, Eastern Washington University

          Washington State Patrol Crime Lab, Eastern Washington University

          Spokane Office

          TD&H Engineering provided civil design and construction services for this new “state of the art” crime laboratory.

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        • Student Recreation Center, Eastern Washington University

          Student Recreation Center, Eastern Washington University

          Spokane Office

          TD&H Engineering provided engineering services for this recreation center, which contains a new weight room, climbing wall, gymnasium, indoor track, ice rink and café.

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        • Sterling Savings Bank Sidewalk/Drainage Design

          Sterling Savings Bank Sidewalk/Drainage Design

          Spokane Office

          This project was led by 3E Design, who brought TD&H on their team to design the sidewalk and develop a drainage plan for the renovation of this branch of the Sterling Savings Bank in downtown Spokane. TD&H provided design services for the curb, gutter and sidewalk, along with a street drainage plan. The engineers at TD&H also provided liaison services for the client with the engineering staff at the City of Spokane.

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        • Spokane Falls Community College Music Building Design

          Spokane Falls Community College Music Building Design

          Spokane Office

          The expansion included the lobby and a new addition providing for classrooms, studio and offices to locate all the music classes in one building. This expansion and renovation greatly improves and creates a more functional and efficient building. TD&H Engineering was a subconsultant to Integrus Architecture (Spokane, WA) and provided the topographic surveying and civil engineering design services.

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        • Riverport Villiage Condominiums Site Design & Drainage Plan

          Riverport Villiage Condominiums Site Design & Drainage Plan

          Spokane Office

          TD&H provided property acquisition services, drainage design and review of the grading design for this beautiful addition to Spokane Valley’s central business area.

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        • Greenacres Middle School Improvements

          Greenacres Middle School Improvements

          Spokane Office

          TD&H Engineering provided civil services for this $7.4 million major school renovation and site improvement project for the Greenacres Middle School in Spokane Valley.

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        • Downtown Spokane Transit Center & Sky Bridge

          Downtown Spokane Transit Center & Sky Bridge

          Spokane Office

          TD&H Engineering provided services for the development of the transit center.

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        • Computing & Engineering Building, Eastern Washington University

          Computing & Engineering Building, Eastern Washington University

          Spokane Office

          This project highlights TD&H Engineering’s ability to provide a multi-discipline, wide range of services.

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        • Digital Archive Facility, Eastern Washington University

          Digital Archive Facility, Eastern Washington University

          Spokane Office

          TD&H Engineering designed this modern digital archive facility.

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        • Avista Utilities Post Street Reactors

          Avista Utilities Post Street Reactors

          Spokane Office

          Thomas, Dean & Hoskins, Inc. (TD&H) provided engineering support services related to the modification of the existing 115 kV transformer housing, so that transformers could be removed through the walls common to each building.

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        • Avista Utilities Little Falls Dam Headgates Evaluation

          Avista Utilities Little Falls Dam Headgates Evaluation

          Spokane Office

          Thomas, Dean & Hoskins, Inc. (TD&H) evaluated the condition and serviceability of the headgates and associated hoist system and determine the feasibility of rehabilitation or the need for replacement.

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        • Tucannon Hatchery Fish Ladder and Trap Tucannon River

          Tucannon Hatchery Fish Ladder and Trap Tucannon River

          Spokane Office

          TD&H was retained by the Washington Department of Fish and Wildlife to provide construction oversight and inspection for a new fish ladder on the Tucannon River. The purpose of the new ladder was to improve adult and juvenile wild salmonid migration passage and fish monitoring.

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        • Sprague Avenue Overlay

          Sprague Avenue Overlay

          Spokane Office

          City of the Spokane Valley selected TD&H to provide construction administration and on-site inspection for the $2.6 million Sprague Avenue Overlay – University Road to Evergreen Road.

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        • Salmon Creek – Mill Street Bridge Replacement

          Salmon Creek – Mill Street Bridge Replacement

          Spokane Office

          TD&H was hired by the City of Okanogan to provide construction contract administration services. This project involved removing an existing bridge and replacing it with a concrete structure.

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        • Cabin Creek Bridge Improvements

          Cabin Creek Bridge Improvements

          Spokane Office

          TD&H Engineering was retained by the Washington Department of Parks and Recreation to provide construction administration and inspection for the rehabilitation of an existing, former railroad bridge.

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        • Hauser Refueling Depot

          Hauser Refueling Depot

          Spokane Office

          On site surveillance, coordination and supervision of on-going construction activities; Coordination with geotechnical investigations; Coordination with underground utility locations; Observation of contractor work with regards to safety and quality; On call survey services.

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        • Moonlight Basin Subdivisions

          Moonlight Basin Subdivisions

          Bozeman Office

          TD&H Engineering provided engineering and surveying services for the Silvertip Subdivision Phases 1 and 2 and Lower Ulery’s Subdivision Phases 1 and 2.

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        • Water Reservoir and Transmission Mains

          Water Reservoir and Transmission Mains

          Spokane Office

          TD&H designed a 200,000 gallon water storage reservoir, access road, water transmission mains, booster pump upgrade for the Veranda Beach Resort north of Oroville, Washington, on Lake Osoyoos.

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        • Municipal Water Tank #10

          Municipal Water Tank #10

          Spokane Office

          TD&H provided design and limited construction engineering services for a City of Pullman project to construct a new 1.2 million gallon steel water storage reservoir in the southwest quadrant of the City.

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        • Water System Treatment Facility

          Water System Treatment Facility

          The Town of Ione’s water source wells contain significant amounts of iron and manganese that, over a period of time, has accumulated in the lesser velocity piping throughout the town. Over time, this sediment caused the steel piping to corrode and rupture. The water distribution system has been replaced under separate contracts.

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        • Municipal Water Distribution System Improvements

          Municipal Water Distribution System Improvements

          Spokane Office

          TD&H assisted the community of Ione designing and administering a major pipeline replacement project for the Town’s municipal water system.

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        • Town of Ione (WA) 10th Street Water Main

          Town of Ione (WA) 10th Street Water Main

          Spokane Office

          Over a 10-year period, TD&H Engineering assisted the Town of Ione with applications for funding of upgrades and improvements to replace the town’s water distribution and treatment system.

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        • St. Joseph Regional Medical Center- Central Energy Plant

          St. Joseph Regional Medical Center- 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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        • Proposed Bozeman Sports Complex

          Proposed Bozeman Sports Complex

          Bozeman Office

          TD&H provided concept-level cost estimation, geotechnical investigation, & soil suitability analysis for this proposed 80-acre sports complex.

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        • Yellowstone National Park Dormitories

          Yellowstone National Park Dormitories

          Bozeman Office

          This ongoing project has had many innovative designs and we are looking forward to the upcoming construction next to Old Faithful in Yellowstone National Park.

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        • MSU- Harrison Street Reconstruction

          MSU- Harrison Street Reconstruction

          Bozeman Office

          TD&H provided civil site design to improve traffic flow and circulation around the campus of Montana State University.

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        • MSU- South Fieldhouse Parking Lot Improvements

          MSU- South Fieldhouse Parking Lot Improvements

          Bozeman Office

          This large parking lot was originally designed as a gravel surface but by paving and painting the surface TD&H helped MSU solve many parking issues.

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        • MSU- Residence Halls

          MSU- Residence Halls

          Bozeman Office

          TD&H provided geotechnical support of this $7M project. The data collected by soil sampling aided with important construction decisions, that ensure the project has no surprises.

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        • Super 1 Foods Store

          Super 1 Foods Store

          Kalispell Office

          TD&H provided site/civil design services for the parking lot renovation.

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        • Jette Meadows Water & Sewer District

          Jette Meadows Water & Sewer District

          Kalispell Office

          Using funding from state and federal grants and low interest loans from the Montana DEQ Drinking Water State Revolving Loan Program, Jette Meadows was able to replace over 13,200 LF of existing distribution mains.

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        • CSKT Renovation Projects

          CSKT Renovation Projects

          Kalispell Office

          TD&H Engineering provided engineering services for the Confederated Salish and Kootenai Tribes. Our scope consisted of five separate projects including the Timberlane Path, Nancy Joseph Homesites, Ktunaxa Homesites, Sundown Homesites, and Rosalie Lane.

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        • Birch Point & City Beach Sewer Lift Stations

          Birch Point & City Beach Sewer Lift Stations

          Kalispell Office

          TD&H Engineering provided wastewater design services for the replacement of an existing sewage pump station located adjacent to the Whitefish River.

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        • Seeley Lake Water Project

          Seeley Lake Water Project

          Kalispell Office

          Complete design of the District’s water improvements.

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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 performed structural design for the remodel of Fire Station No. 3.

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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, Gonzaga University

          G Student Housing, Gonzaga University

          Spokane Office

          TD&H Engineering developed a modern looking apartment building to serve the students at Gonzaga University.

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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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        • City of Culdesac Water System

          City of Culdesac Water System

          Lewiston Office

          TD&H Engineering completed Phase I (water distribution) of this two-phase project to improve citywide water distribution and wastewater treatment for the City of Culdesac.

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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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        • City of Asotin Water Main Extension & Upgrade

          City of Asotin Water Main Extension & Upgrade

          Lewiston Office

          This project involved a new waterline for the City of Asotin, designed by TD&H Engineering.

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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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        • Lewiston 4th Street Parking Project

          Lewiston 4th Street Parking Project

          Lewiston Office

          TD&H Engineering provided design and construction of new parking lots for Lewis-Clark State College and coordinated 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 environmental engineering and materials testing services 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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        • Copper Basin Subdivision, Black Eagle

          Copper Basin Subdivision, Black Eagle

          Great Falls Office

          TD&H Engineering provided services to NeighborWorks, a local non-profit organization, on a 22-lot subdivision in Black Eagle, MT.

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        • Grandview at Benefis

          Grandview at Benefis

          Great Falls Office

          TD&H provided engineering services for this 42-acre commercial/medical development for senior citizen housing and care in Great Falls, Montana.

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        • Ulm South Reconstruction

          Ulm South Reconstruction

          Great Falls Office

          TD&H provided complete project design that included complex wetland and geotechnical issues for Cascade County and the Montana Department of Transportation.

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        • Office Building/Parking Garage

          Office Building/Parking Garage

          Lewiston Office

          TD&H provided services for Regence BlueShield of Idaho Lewiston Campus Expansion including construction of a new 3 story, 50,000 square foot, office building and a 5-Story parking garage for their employees which included a Fitness Center on top of the structure.

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        • Container Dock Crane Foundation

          Container Dock Crane Foundation

          Lewiston Office

          The Port of Lewiston retained TD&H Engineering to improve one of its barge loading and unloading facilities to accommodate a new 240-ton crawler crane.

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        • South of Ravalli to Medicine Tree

          South of Ravalli to Medicine Tree

          Great Falls Office

          TD&H provided comprehensive road design as well as surveying & retaining wall design for a 5 mile segment of US Highway 93.

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        • Special Improvement District

          Special Improvement District

          Bozeman Office

          TD&H was responsible for creating this special improvement district (SID) with the landowners and the City of Bozeman engineering staff.

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        • S. 19th-Babcock to Kagy

          S. 19th-Babcock to Kagy

          Bozeman Office

          TD&H widened 1.4 miles of existing arterial street to four lanes with dedicated left turn lanes, bike lanes, and sidewalks in this Transportation project.

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        • Great Northern Rail Trail

          Great Northern Rail Trail

          Great Falls Office

          The Great Northern Trail was selected as the 2005 Montana Trail of the Year by the Montana Department of Fish Wildlife and Parks.

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        • Rails to Trails

          Rails to Trails

          Kalispell Office

          TD&H provided design plans, specifications and construction management for this project that included a 4,000-foot long trail and a small parking lot.

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        • Riverside Railyard Skatepark

          Riverside Railyard Skatepark

          Great Falls Office

          TD&H provided site and structural design for a 45,000 sq.ft concrete skatepark located in Great Falls.

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        • Electric City Soccer Complex

          Electric City Soccer Complex

          Great Falls Office

          TD&H Engineering provided layout, design, and construction administration for 10 soccer fields with 5 additional field greens on a 65-acre site.

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        • Flow Rider Attraction

          Flow Rider Attraction

          Great Falls Office

          TD&H Engineering provided development services for the Flow Rider attraction at the Mitchell Pool in the City of Great Falls, Montana.

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        • MSAT Project

          MSAT Project

          Great Falls Office

          TD&H provided a wide array of Civil and Structural Engineering Services for the Mobile Source Air Toxins (MSAT) Project.

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        • Petrochemical Facility

          Petrochemical Facility

          Great Falls Office

          TD&H Engineering has provided design and construction support of several expansion projects at Montana Refining Company’s Petrochemical Facility.

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        • Oilfield Avenue Path

          Oilfield Avenue Path

          Great Falls Office

          This project developed bike lanes and a separated trail that extended the Lake Shel-Oolee Recreation Trail one mile along a busy arterial in Shelby. The project construction was ultimately merged with a parallel MDT highway project.

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        • Agri-Processing Facilities

          Agri-Processing Facilities

          Great Falls Office

          TD&H Engineering completed civil engineering and construction management/inspection services for three high-speed grain elevator facilities in north central Montana.

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        • Blackfeet Community Water Project

          Blackfeet Community Water Project

          Great Falls Office

          The Blackfeet Tribe created the Blackfeet Community Water Project to provide safe potable water to the communities of East Glacier and Browning. This plant went online in 2011 and is one of the first membrane filter plants within Montana.

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        • Brady Wastewater System Improvements

          Brady Wastewater System Improvements

          Great Falls Office

          TD&H designed and provided construction oversight for an entirely new sanitary sewer collection treatment system for the community of Brady.

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        • Great Falls Central Catholic High School

          Great Falls Central Catholic High School

          Great Falls Office

          TD&H Engineering provided structural design for the foundation, mezzanine, site design, partial building design, as well as surveying for the 38,400 SF High School.

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        • US 93 Road Design

          US 93 Road Design

          Great Falls Office

          TD&H provided comprehensive road design as well as surveying & retaining wall design for a 5 mile segment of US Highway 93.

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        • Steel, Etc.

          Steel, Etc.

          Great Falls Office

          This project involved the design of 2,760 feet of rail spur to service the new recycling center complex.

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        • Alternative Energy Facility

          Alternative Energy Facility

          Kalispell Office

          Flathead Electric Cooperative and the Flathead County Solid Waste District teamed together to build this alternative energy facility at the Flathead County Landfill, engineered by TD&H Engineering.

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        • Hungry Horse Water System Improvements

          Hungry Horse Water System Improvements

          Kalispell Office

          TD&H Engineering completed a Preliminary Engineering Report for the District to address limited water storage, well capacity, and lack of fire protection.

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        • Meadow Village Well

          Meadow Village Well

          Bozeman Office

          TD&H engineered the connection of two new wells to the water system for the Big Sky Water and Sewer District #363. The project began with a topographic survey, hydraulic analysis, and a review of the controls and backup power options.

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        • S. 19th –Babcock to Kagy

          S. 19th –Babcock to Kagy

          Bozeman Office

          This project involves widening 1.4 miles of existing arterial street to four lanes with dedicated left turn lanes, bike lanes, and sidewalks. TD&H has provided survey, geotechnical investigation, road, storm drain, signing, and striping design, and preparation of plans, specifications, and cost estimates.

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        • BNSF Drainage Project

          BNSF Drainage Project

          Bozeman Office

          TD&H was engaged to improve the drainage at the BNSF Billings Intermodal Hub.

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        • Whitehall HS Reroof

          Whitehall HS Reroof

          Bozeman Office

          TD&H Engineering applied to the Montana Quality Schools program on behalf of Whitehall High School District. The project was awarded a planning grant for a Preliminary Engineering Report and a construction grant for the full cost of replacing their aged and failing roof.

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        • Irrigation Pond Expansion

          Irrigation Pond Expansion

          Bozeman Office

          The growing campus of Montana State University in Bozeman needed more water for irrigation The old 4.5 million gallon bentonite lined pond and intake structure were built around 1986.

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        • Regal Mine Shop Building

          Regal Mine Shop Building

          Bozeman Office

          TD&H helped Barretts Minerals by designing a new shop building at their Regal talc mine. Our services included performing a geotechnical investigation on a tailings pile, where the new shop was to be located.

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        • Meadow Village Well Completion

          Meadow Village Well Completion

          Bozeman Office

          TD&H engineered the connection of two new wells to the water system for the Big Sky Water and Sewer District #363.

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        • Chemistry Research Building, Montana State University

          Chemistry Research Building, Montana State University

          Great Falls Office

          TD&H Engineering provided structural design, drafting, and construction administration for this state of the art research facility.

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        • Orthopedic Center

          Orthopedic Center

          Great Falls Office

          The new fully functional orthopedics facility is a 58,000 SF two-story building with offices, operating rooms, patient recovery rooms, exam rooms, basketball shooting area and other miscellaneous rooms.

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        • Powwow War Dance Pavilion

          Powwow War Dance Pavilion

          Great Falls Office

          TD&H has been instrumental in the Powwow Dance Pavilions. In 1993 TD&H provided the structural design for the 130’ Dance Pavilion. With the new plan, this structure will be used for stick games in the summer of 2009 when another pavilion is constructed on the grounds.

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        • Browning High School

          Browning High School

          Great Falls Office

          The new Browning High School is a 130,000 square foot CMU and steel stud frame building constructed for 750 students in Browning, Montana. TD&H was the principal consultant during the conceptual stage through design, bidding, and construction.

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        • Benefis Patient Tower

          Benefis Patient Tower

          Great Falls Office

          TD&H Engineering provided the structural design for the 175,000 SF, 6-story building with a 7th story mechanical penthouse.

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        • Water Tank Construction

          Water Tank Construction

          Bozeman Office

          Belgrade has experienced rapid growth resulting in a heavily overloaded water system. The addition of 112 acres of land being annexed in SID 78 on the south side of the interstate and two large subdivisions on the east side of town required the construction of a new 500,000 gallon water tank.

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        • Bay Drive Recreation Path

          Bay Drive Recreation Path

          Great Falls Office

          This important extension to Rivers Edge Trial incorporates many challenges including highway and railroad underpasses adjacent to the Missouri River. Complex easement and permitting issues were solved to allow the design and planned construction of this trail segment.

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        • Whitefish Trails

          Whitefish Trails

          Kalispell Office

          The Whitefish Trails projects consisted of preliminary and final design, construction management and inspection of six pedestrian and bicycle trails. TD&H provided assistance with procurement of CTEP funds and right-of-way negotiations.

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