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HMS Construction Inc.
2885 Scott St, Vista, CA 92081

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RENEWABLE ENERGY AND BATTERY STORAGE SOLUTIONS
Leading in Quality and Safety since 1996.
PUBLIC INFRASTRUCTURE SOLUTIONS
SPECIALIZED GENERAL ENGINEERING AND ELECTRICAL CONTRACTOR
JOIN OUR TEAM
Work for an industry leader in a great work environment.

POWERING EXCELLENCE IN Electrical Contracting

HMS Construction is a specialized General Engineering and Electrical contractor. We provide full-service design-build capabilities in Light Rail Systems, Fiber Optic Infrastructure, Utility Power Systems, Military Medical Maintenance and Repair, and Renewable Energy Systems.

We are a veteran-owned company.

  • Industry Leaders
  • Established in 1996
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OUR SERVICES

HIGH-QUALITY CONSTRUCTION SOLUTIONS FOR
RESIDENTIAL AND INDUSTRIES

Transit

  • OCS 
  • Rail Signaling
  • Traction Power
  • Substations
  • Track Bonding
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Signals & Lighting

  • CCTV
  • CMS
  • Weight in Motion
  • Video Detection
  • Ramp Metering
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Energy

  • Duct Banks
  • Solar Array Systems
  • Substations
  • Power Distribution
  • Back-Up Generators
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Military

  • Conduit Placement
  • Telecommunication
  • Design Build Facilities
  • High Voltage
  • Pump Station
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OUR PROJECTS

Our projects span transit, military, energy, and signal & lightning

HMS Construction has completed many public infrastructure projects for various government facilities around the United States.

Castner Substation – FY13 AD Pkg

The scope of work for this project included 20MW of upgrades to the existing 46Kv substation.HMS was the turn-key subcontractor for the installation of 4-5MW transformers, switchgear, SF6 circuit breakers, air switches, metering equipment, and modifications to the existing steel support structure. Site work included concrete spill containment, transformer pads, underground duct banks, manholes, and primary cable installations.HMS also assisted with coordination between Hawaiian Electric and Base Facilities to minimize outages.

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Kapolei Energy Storage Project-185MW/565MWh Tesla Megapack system

The Kapolei Energy Storage project, located on the industrial west side of Oahu, Hawaii, is a groundbreaking initiative aimed at replacing the state’s last coal power plant. This state-of-the- art facility features a 185MW/565MWh Tesla Megapack battery system, consisting of 158 Tesla Megapack 2 XL battery units. The system is designed for load shifting and fast-frequency response services, facilitating the transition from coal and oil to renewable energy sources such as solar and wind. Developed and operated by Plus Power, the Kapolei Energy Storage project represents a significant milestone in Hawaii’s commitment to achieving 100% green energy by 2045. It provides crucial grid services including fast frequency response, synthetic inertia, and black start capabilities, ensuring the stability and efficiency of the Hawaii Electric grid as the state continues to expand its renewable energy capacity
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Fort Irwin Fiber Optic Outside Plant Network

This project was done as a sub to Science Applications International Corp. (SAIC). HMS installed over 350 miles of duct bank, vaults, and fiber optic cable, ranging from 12 counts to 432 counts, along with the termination shelters and end equipment. This installation was performed at Ft. Irwin, the Army National Training Center. The project enhanced training and communication capabilities at that installation. This contract was completed in 2008.

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WHAT OUR CLIENTS HAVE TO SAY

I’ve worked with HMS since November 2010 on one of the critical trolley upgrade improvement projects that replaced the entire contact wire on the overhead catenary system (OCS) along the SDTI trolley Blue Line. The $11 Million project has been an overwhelming success for SANDAG and MTS and is the direct result of the quality of work by the contractor, HMS. The project was completed ahead of schedule and on budget, with minimal disruption to revenue service operations and to the public. I can personally attest that HMS is a constructor organization that is proud of its personnel, expertise, and safe record of achievements. Starting from the President, Mike High, to the Project Managers, Superintendents, Foremen, and construction personnel, HMS has demonstrated the capability to complete highly specialized work to the customer’s satisfaction.
John Chen, P.E.San Diego Project Manager, PGH Wong Engineering, Inc.
I would like to express my appreciating for the outstanding work on the Repair & Replacement of Emergency Generators project in Ft. Bliss, TX. The removal and replacement of the existing emergency generation system was performed without a single glitch that affected the health & safety of the patients and the staff for the duration of the entire project. I look forward to having HMS Construction work for me on future projects.
Peter A. Bensche Sr.Project Manger, GLOBAL Engineering & Construction, LLC
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I have had the pleasure of working with HMS Construction on a consistent basis on various projects since July 2006. During that time, HMS Construction has proven to be a very reliable and knowledgeable construction firm that has executed our work in a diligent, professional & dependable manner. As an electrician contractor with varied experience in electrical signaling and communications, HMS Construction has always performed quality work for their clients. HMS Construction has brought their varied expertise and knowledge to bear on each and everyone of our projects. HMS Construction has always worked in a partnering manner which has been instrumental in forging relationships that have transcended the individual projects and which have positively carried over into other projects. HMS Construction possesses the resources, experience, and expertise that are invaluable to their clients and will ensure the successful completion of any project. HMS Construction receives my highest recommendation.
Angel L. Morales, Jr., P.E.Senior Construction Manager
We at Inscope would like to personally thank HMS Construction for their part in the recently completed project at Ft. Irwin, CA. We believe that a larger part of the overall success of the project can be directly attributed to their efforts. It is rare to find a contractor who has the equipment, experienced personnel, and knowledge of how to use these resources in a manner that maximizes their performance. The value of this alone in finishing successful projects cannot be overstated.
Robert J. CunninghamProject Manager – Construction, Inscope Solutions, Inc
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WHY CHOOSE US ?

WE SPECIALIZE IN ENGINEERING AND DESIGN

Our engineering and design build specialties include:

Architectural, Structural, Mechanical, Electrical, Plumbing, and Civil Projects.

We have extensive TRENCHLESS experience in following:

Directional Drilling, Steel Pipe and Casing, Slip Lining Sewer Mains, Swedge Lining.

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WHY CHOOSE HMS

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HMS. All Rights Reserved 2024

Castner Substation – FY13 AD Pkg A-004, Repair – Schofield Barracks, Oahu, Hawaii

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The scope of work for this project included 20MW of upgrades to the existing 46Kv substation. HMS was the turn-key subcontractor for the installation of 4-5MW transformers, switchgear, SF6 circuit breakers, air switches, metering equipment, and modifications to the existing steel support structure. Site work included concrete spill containment, transformer pads, underground duct banks, manholes and primary cable installations. HMS also assisted with coordination between Hawaiian Electric and Base Facilities to minimize outages.

Owner  :  USACE

Kapolei Energy Storage Project-185MW/565MWh Tesla Megapack system

Bootstrap Carousel with Fixed Image Size
Slide 1 thumbnail
The Kapolei Energy Storage project, located on the industrial west side of Oahu, Hawaii, is a groundbreaking initiative aimed at replacing the state’s last coal power plant. This state-of-the- art facility features a 185MW/565MWh Tesla Megapack battery system, consisting of 158 Tesla Megapack 2 XL battery units. The system is designed for load shifting and fast-frequency response services, facilitating the transition from coal and oil to renewable energy sources such as solar and wind. Developed and operated by Plus Power, the Kapolei Energy Storage project represents a significant milestone in Hawaii’s commitment to achieving 100% green energy by 2045. It provides crucial grid services including fast frequency response, synthetic inertia, and black start capabilities, ensuring the stability and efficiency of the Hawaii Electric grid as the state continues to expand its renewable energy capacity

Owner  :  Plus Power

Fort Irwin Fiber Optic Outside Plant Network

Bootstrap Carousel with Fixed Image Size
Slide 1 thumbnail Slide 2 thumbnail Slide 3 thumbnail Slide 4 thumbnail Slide 5 thumbnail Slide 6 thumbnail
This project was done as a sub to Science Applications International Corp. (SAIC). HMS installed over 350 miles of duct bank, vaults, and fiber optic cable, ranging from 12 counts to 432 count. Along with the termination shelters and end equipment. This installation was performed at Ft. Irwin, the Army National Training Center. The project enhanced training and communication capabilities at that installation. This contract was completed in 2008.

Owner  :  US Army