Data Center Construction in Denver, Colorado

Thin air at 5,280 feet carries less heat away per cubic foot than air at sea level, and that single fact changes how a Denver data center is cooled. Denver sits at an official elevation of 5,280 feet, so fan and condenser selections are derated, and the same dry climate that favors economizer cooling also swings hard between a cold January night and a hot July afternoon. The mechanical engineer has to design for both ends, and the building has to be ready to receive whatever equipment results.

The metro already has an enterprise and technology base. Broomfield's 2023 annual comprehensive financial report lists Oracle America (1,650 employees), Intermountain Health Care (1,550) and BAE Systems (1,100) as its three largest employers, and Westminster's top employers include technology and aerospace firms. Companies like these need server rooms, edge facilities and full colocation space nearby, which is why data center demand in the metro tends to cluster in the north and northwest suburbs rather than in the central city.

We construct the shell, the power rooms, the mechanical yard and the site around them. Our data center construction practice works from the utility interconnect inward, because in this building type the power date is the opening date.

Why power, fiber and a stable site decide location

A data center buyer shortlists parcels on utility capacity first and fiber paths second. Land cost, tax treatment and the municipality's permitting posture come next. In the north and northwest metro, parcels along E-470 and I-25 offer both the utility corridors and the road access to bring in large equipment, and they sit within reach of the Broomfield and Westminster employer base.

Site resilience is a design question as well. The Marshall Fire of December 30, 2021 had wind gusts up to 115 mph and prompted evacuation orders for parts of Broomfield, and the lesson for an operator is practical: defensible space around the yard, noncombustible materials in the mechanical and fuel areas, and generator and fuel storage designed for high wind. We bring that lens into the site plan for every data center project we price.

Energy code, electrical code and review timing

Data centers sit at the edge of the energy code. Colorado HB22-1362 requires any county or municipality that updates its building code on or after July 1, 2023 to adopt an energy code with equivalent or better performance than the 2021 IECC and the state model electric and solar ready code; from July 1, 2026 the benchmark becomes the state model low energy and carbon code. High-density computing loads are treated differently from conventional commercial space, so the energy path must be settled with the building department early.

Electrical editions are set by the state while building codes are set locally. Thornton, for example, is listed as enforcing the 2024 IBC, IRC and IFC with the 2023 NEC, implemented July 6, 2025. Another Colorado county's published schedule shows the 2026 National Electrical Code taking effect January 1, 2027, which means an electrical design submitted near the turn of the year should confirm which edition applies. We track these dates for you and note them on the preconstruction schedule.

Preconstruction that starts with the one-line diagram

We begin with the electrical one-line diagram and the utility's service letter. They show whether the load is feasible, how much redundancy is required and when the utility can energize. Then we build backward: switchgear and generator delivery dates, the pad and duct bank sequence, the structure and enclosure, and the mechanical yard. For long-lead gear, we advise on ordering before final permits, with the owner's approval of the risk.

The building itself is usually a concrete or tilt-wall shell with a clean roof, high slab loads and limited penetrations. Underground work is heavy. Electrical duct bank construction is generally the first physical work on site, and we install conduit, concrete encasement and manholes with pull-string and mandrel testing before backfill. Everything underground is surveyed and documented, so a later utility crossing does not guess.

Commissioning drives the end of the schedule

The back half of a data center schedule is commissioning. Switchgear, UPS systems, generators, chillers and controls are tested individually, then integrated and put through load-bank testing before IT equipment is installed. A multi-day load bank test is a long time to hold a site, and any defect found during it can reset the clock. Our commissioning, turnover and closeout process puts the test scripts in the contract and assigns responsibility for each test before construction begins.

Weather matters during the middle of the build. Roofing must be complete before sensitive equipment arrives, and hail is a real risk in this metro. Denver ranks 10th among U.S. areas of at least 50,000 people for hailstorm risk, so we design the roof and rooftop equipment screens for impact and keep a dried-in building as a milestone before any gear is delivered.

Supporting buildings and sitework

Few data centers are only a data hall. Security gatehouses, loading docks, generator yards, fuel storage, water tanks for cooling and administration space all belong in the scope. Our data center support buildings work covers these, along with the fire water loop, site lighting and security fencing that complete the campus.

The cooling plant is the part of a data center that most resembles a cold storage facility: a large refrigeration-style system whose controls must be proven under load. Operators with several sites value consistency, so we document details that repeat: slab thickness, door hardware, conduit types and pad dimensions. A utilities and power perspective helps too, since a facility that interconnects with a substation shares many requirements with utility infrastructure. If your program includes a staging building or a research lab, a manufacturing plant or flex shell on the same parcel can share the infrastructure.

Start with the power letter

Bring the utility service letter, the target capacity and the parcel, and we will return a scope and a schedule that identifies the long-lead items. We can price the shell, the yard and the supporting buildings as a single package.

Common Questions

Does Denver's elevation change the mechanical design?

Yes. Air is thinner at 5,280 feet, so fans, condensers and chillers move less heat than their sea-level ratings, and equipment has to be selected with a derating factor. The dry climate also supports economizer cooling for much of the year. The mechanical engineer should model both, and we build the yard and structure for the selected equipment.

How long does the utility take to energize a new data center?

It varies by utility and by load. Large loads can require a new feeder, transformer or substation work, and those schedules can exceed the construction schedule. We request the utility service study before the site is purchased when the owner permits, and we show the energization date as a fixed milestone.

Which jurisdictions in the north metro review data centers fastest?

We do not guarantee review times. We confirm the current adopted codes, local amendments and submission checklists with Thornton and Broomfield before planning a permit schedule. We confirm the current edition before design is finalized.

Can you build a smaller edge facility or server room?

Yes. Edge facilities and enterprise server rooms share many requirements with larger halls: power redundancy, cooling, fire suppression and security. We can build them inside existing buildings or as freestanding structures, and every crew we manage works in occupied buildings with dust and access controls.

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