Building data centers for the age of superintelligence

Data centers run on power and stand on concrete. We build both.

San Jose, CA Equinix SV11

Ironhive © 2026

Oakland, CA Comcast

  • Illustration of a data hall aisle
  • Illustration of stacked fuel cells beside a data center
  • Illustration of a crane setting a precast double tee
  • Illustration of medium-voltage switchgear
  • Illustration of a rebar mat with power and fiber conduit
  • Illustration of an underground duct bank section
  • Illustration of a steel frame going up
  • Illustration of a server rack

Built to run

Ironhive is a data center construction team in the San Francisco Bay Area. We bring power and fiber into the building, pour the footings and slabs, and raise the walls and roof, working alongside the owners, designers and general contractors who lead each project.

Inside a data hall Illustration

Power sets the pace

On a data center, the electrical work decides when the building can open. We plan conduit routes and service connections before the first footing is poured.

Illustration of rebar and conduit set for a slab

A clear record

Inspections, tests and paperwork move with the work, so owners know exactly what was built and how it was checked.

Built around the equipment

Switchgear, generators and fuel cells each need their own foundations, anchors and connections. We build those details into the structure from the start.

Precast where it helps

Factory-made walls and roof members arrive ready to set, so the building closes in sooner and the work inside can start earlier.

Careful on live campuses

SV11 went up beside three working Equinix data centers. Building next to live sites takes careful sequencing and clear communication.

Illustration of a switchgear lineup

One part of a larger team

Data centers bring together owners, designers, general contractors and specialty trades. We fit in quickly and keep communication simple.

What we build

Our work comes in three parts, and each one has been proven on a Bay Area data center.

Power & utilities

Underground utilities, conduit, and the power and fiber connections that bring a new building to life.

San Jose · OaklandElectrical supply at Equinix SV11; underground utilities, power and fiber for Comcast

Foundations & floors

Footings, foundations and slabs built to carry heavy equipment, with walls, floors and finishes completed on top.

250 psfslab load capacity at Equinix SV11, as published by Equinix

Precast structure

Precast prestressed walls and double-tee roofs, cast in a factory and set on site so a building closes in fast.

7,500 sq ftnew Comcast data center in Oakland, 2025–2026

We keep our project list short and exact. Each project below names the owner, the project team and the work our team did. See the projects.

Both projects are in the Bay Area, close to the people and networks they serve. Sites are tight, seismic standards are strict and neighbors are close, so careful work matters.

Equinix SV11 San Jose, California · 2020–2023 Illustration
Illustration of stacked fuel cells beside a two-story data center

Equinix SV11

A two-story data center in San Jose, built of precast concrete on a steel frame, on an Equinix campus planned to run primarily on fuel cells.

Sources: Equinix, June 2021, Equinix SV11 specifications and SK ecoplant, October 2020. Our scope and dates come from our team’s records.

Our scope
Electrical supply to the new building. Footings, foundations, slabs, walls, floors and finish work.
Our years on site
2020 to 2023
Owner and operator
Equinix
Project team
Bloom Energy, fuel-cell design. SK Engineering & Construction (now SK ecoplant), contractor. CALCITY and 2040 Builders, subcontractors.
Address
5 Great Oaks Boulevard, San Jose, beside Equinix SV1, SV5 and SV10
Building
Two stories, precast concrete on a steel frame. 121,930 sq ft of colocation space, with room for about 2,950 cabinets at full build.
Power
Equinix planned Bloom fuel cells as the campus’s primary power, with the utility grid and generators as backup, and 20 MW of fuel-cell capacity across the campus. SK announced a 6.4 MW fuel-cell project for Equinix in San Jose.
Resilience
N+1 UPS and generators, N+2 cooling and at least 30 hours of generator runtime at full load. Slab rated for 250 psf, seismic design category D, above the 500-year flood elevation.
Investment
$142 million, as announced by Equinix in 2021, with a design efficiency target of PUE 1.17.

Ground to roof

In Oakland, our work began below grade with utilities, power and fiber, and finished at the top with a precast double-tee roof. We call that working from ground to roof.

We like owning a clear piece of the job and finishing it well. Below grade, that means utilities placed right the first time. Above it, walls and a roof that close the building in.

The care is the same at every scale, from a 7,500-square-foot data center in Oakland to a two-story facility on Equinix’s Great Oaks campus in San Jose.

Comcast data center Oakland, California · 2025–2026 Illustration
Illustration of a crane setting a precast double tee on a new building

Comcast data center

A new data center building of about 7,500 square feet in Oakland, built with precast prestressed walls and a double-tee roof.

Source: our team’s project records.

Our scope
Underground utilities, power and fiber, footings and slab, precast prestressed walls and a precast prestressed double-tee roof.
Our years on site
2025 to September 2026
Client
Comcast
Project team
National Power, Logan Pass Construction and 2040 Builders
Location
Oakland, California
Building
New data center, about 7,500 sq ft

How we got here

  1. Our team starts on SV11 in San Jose, bringing electrical supply to the new building and building its footings, foundations and slabs.

    Illustration of a rebar mat for a slab
    Illustration: a slab’s rebar mat
  2. SK Engineering & Construction announces a 6.4 MW fuel-cell project for Equinix in San Jose, stacking Bloom fuel cells on several levels to save space.

    Source: SK ecoplant, October 20, 2020

    Illustration of stacked fuel cells
    Illustration: stacked fuel cells
  3. SK reports fuel-cell construction starting in April 2021, with about eight months of work planned.

    Source: SK ecoplant, October 2020

    Illustration of a steel frame and tower crane
    Illustration: a steel frame
  4. Equinix announces its $142 million SV11 data center, set to open on June 30, 2021, with room for 2,950 cabinets at full build.

    Source: Equinix, June 2, 2021

    Illustration of a data hall
    Illustration: a data hall
  5. Our team’s work at SV11 concludes. The building stands on Equinix’s Great Oaks campus beside SV1, SV5 and SV10.

    Illustration of switchgear
    Illustration: switchgear
  6. Work begins on a new Comcast data center in Oakland, starting below grade with underground utilities, power and fiber.

    Illustration of an underground duct bank section
    Illustration: a duct bank section
  7. Our work on the 7,500-square-foot building runs through September 2026, from footings and slab to precast prestressed walls and a double-tee roof.

    Illustration of a crane setting a double tee
    Illustration: setting a double tee

Explore further.

Tell us about the data center you’re planning.

We work with owners, developers and general contractors on power, foundations and structure.

What we build Power & utilities Foundations & floors Precast structure
Our projects
  • Equinix SV112020–2023 San JosePower & structure Electrical supply, footings, foundations, slabs, walls, floors and finishes
  • Comcast data center2025–2026 OaklandUtilities & precast Underground utilities, power and fiber, footings, slab, precast walls and a double-tee roof

SV11 facility details are published by Equinix. Comcast details come from our team’s records.