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1

Folsom Dam Raise

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Partnering with Shimmick Construction, among other contractors, the Folsom Dam Raise Project is a major flood risk management initiative led by the U.S. Army Corps of Engineers Sacramento District. This effort provides system-wide flood damage reduction benefits when combined with the common features efforts within the Sacramento Valley.
The key project features Main Dam Spillway work on all eight Tainter gates which includes structural retrofits to the trunnion anchorage system, structural reinforcing to strengthen gates, “top seal” structural headwalls installed above each gate, concrete pier extensions, new elevated hoist platforms, and new cable hoist system with new electrical controls.
Also, key is the Left and Right Wing Dams work which includes the construction of a reinforced L-shaped concrete floodwall (3.5-feet height) above existing ground level, embankment work, relocation of utility and security features, and a removable stoplog system approximately 20 feet wide will be framed and installed through the concrete flood wall near the tie-in location between the Main Dam and the Left Dam.
Shimmick Construction reached out to HMH for our land survey and construction staking expertise. The oversight of precise staking—establishing horizontal and vertical control—guided earthwork and grading for raising the dikes and dams. This staking, used for ongoing quality control, culminated in as-built surveys documenting the final project configuration. Field crews expertly scheduled and collaborated closely with clients to ensure the accurate placement of the raised sections and new features, such as gate modifications, guaranteeing enhanced flood protection capabilities were achieved according to specifications.

2

Celebrating 50 Years!

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Sifting through boxes of what feels like endless photos of years past brings back the nostalgia of a legacy in the making. Eyes glazing over aged memories capturing moments of laughter, deep conversation, banter, megawatt smiles, and a spectrum of emotions in-between, it dawns on you that the people really are what shape organizations. And […]
4

Vantage CA2

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Vantage CA2 is located on a nine-acre flagship campus with Class-A amenities, including workspace, conference/collaboration areas, and other office facilities. This project consisted of obtaining Land use (Project Clearance Committee) approvals and construction documents for site improvements for development of this brownfield site to construct three four-story buildings encompassing a total building square footage of 541,000 square feet. Site improvements for an electrical substation were designed with the first building phase. Construction documents for improvements within the fronting public street right of way, including new sidewalk, water, storm and sewer laterals, and a new 12-inch water main. Mapping to merge the existing three lots to one and provide the opportunity to convert to condominium purposes. Construction of Building CA21 is complete, with the CA22 and CA23 improvements currently under construction.

5

California High-Speed Rail Central Valley Stations

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The first stations built for the California High-Speed Rail (HSR) project will be in the Central Valley at Merced, Fresno and Bakersfield. These stations are designed not just as transit points but as multi-modal hubs that connect HSR with other forms of transportation. The design work for these stations is in progress, with a potential construction start in 2028. The Central Valley stations JV, led by Foster + Partners and ARUP. The project is focused on sustainability, aiming for net-zero construction emissions and operation on 100% renewable energy.
As a small business partner in the Central Valley Stations Joint Venture, HMH is the civil engineer of record and land surveyor of record for the design of the Merced, Fresno, and Bakersfield Stations. HMH performed aerial surveys, supplemental topo surveys, and parcel mapping as the project surveyor. In addition to developing the civil engineering portion of the plans and specifications for the station, HMH also contributed to the value engineering effort and construction phasing strategy.
 
 

6

Castellina

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Castellina is a large-scale, master-planned community in Madera, CA, designed with a comprehensive block and subdivision framework to support phased residential growth and integrated community amenities. The plan encompasses 30 development blocks totaling approximately 3,072 residential units, along with dedicated areas for a school site, community center, and multi-use commercial space. HMH’s work includes master planning, subdivision design, roadway layout, and utility and infrastructure coordination to support an efficient, connected, and buildable project. The overall framework is structured to accommodate phased implementation while maintaining cohesive community form and long-term functionality.

7

1624 Army Court

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HMH prepared the public and onsite improvement plans for the redevelopment of 1624 Army Court in Stockton, delivering a comprehensive civil engineering package that supports both public frontage upgrades and private-site functionality. Public improvements include new curb, gutter, sidewalk, and ADA-compliant pedestrian routes, along with roadway conform paving, striping, and traffic-control staging within the city right-of-way. Utility upgrades include new and reconstructed storm drain and sanitary sewer laterals, water service connections, and coordination with existing city infrastructure to ensure full compliance with Stockton’s standards. Onsite improvements include detailed grading and drainage design to manage surface flows and maintain positive drainage to new inlets, as well as truck circulation design for cold-storage and warehouse operations. The plans define access drives, loading areas, and onsite utility routes, and incorporate code-compliant accessibility paths, pavement sections, erosion control measures, and construction details needed for permitting and inspection. Together, the public and onsite plans create a buildable, coordinated framework that supports safe access, efficient site operations, and long-term infrastructure performance.
 
 

8

Everglen

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HMH is proud to support the Everglen Residential Development, a thoughtfully planned neighborhood located in the growing city of Hollister, CA. This residential project includes a mix of single-family lots designed to meet the needs of the local housing market while maintaining community character and efficient infrastructure.  Working closely with the City of Hollister and our client, HMH provided full civil engineering services, including site layout, grading and drainage, utility design, and offsite improvements. Our team also supported entitlement efforts, preparing submittals and plot plans for city approval and assisting with coordination between city departments. With a focus on quality, efficiency, and community-driven planning, HMH’s involvement in Everglen highlights our continued commitment to delivering practical, high-impact engineering solutions for our clients and communities.

9

Vista Lucia

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Vista Lucia is a master-planned community in Gonzales, CA, designed with a comprehensive land-use framework that integrates a range of residential densities, neighborhood amenities, and community-serving open spaces. The plan organizes the site into distinct low, medium, medium-high, and high-density residential areas, supported by a structured roadway network and multiple promenades that connect neighborhoods to parks, greenbelts, and open-space corridors. The land use plan also includes areas designated for neighborhood commercial mixed use, a future school site, and several detention and buffer zones that form part of the project’s integrated stormwater strategy.  HMH’s scope includes master planning, land planning, circulation design, and infrastructure coordination to ensure a balanced and efficient layout that supports phased development. With its mix of housing types, interconnected public spaces, and clear block organization, Vista Lucia establishes a flexible and cohesive framework for long-term community growth.
 
 

10

Good Samaritan Hanford King’s County Behavioral Health Facility

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The GSH King’s County Behavioral Health Facility in Hanford, CA is a thoughtfully planned mental health campus designed to expand essential behavioral health services for the region. HMH provided comprehensive civil engineering support, including site planning, grading, utility coordination, parking reconfiguration, and circulation improvements to accommodate the County’s program needs and operational requirements. The updated site layout integrates secure access points, staff and visitor parking, ADA-compliant pathways, and patient-focused outdoor spaces, all while ensuring efficient drainage and utility connections. Through close collaboration with the County and project design team, HMH helped deliver a safe, functional, and patient-centered campus that strengthens the County’s behavioral health infrastructure.