Professional BIM & VDC Services for Data Center

Electrical Coordination Challenges in Data Center Projects

Data centers concentrate more electrical systems per square foot than almost any other building type. Power density requirements, redundant distribution paths, cooling adjacencies, and low-voltage infrastructure all compete for the same ceiling space — and the schedule tolerates almost no coordination errors because downtime costs are immediate and quantifiable.

• High Power Density and Critical Load Planning — Every electrical room, switchgear bay, and PDU zone carries loads that require precise spatial modeling. Equipment footprints, clearance zones, and cable routing paths must be coordinated before steel is set, because repositioning gear after rough-in is not an option.
• Redundant Power Infrastructure — Dual-path power distribution — A-feed and B-feed — doubles the conduit and tray volume running through the same corridors. Routing both paths with required separation, in congested overhead zones, requires detailed 3D modeling that a 2D drawing set cannot support.
• Coordination with Mechanical Cooling Systems — CRAC units, in-row coolers, and cooling distribution units occupy the same spaces as electrical runs. Overhead conduit and tray must route around large mechanical drops without violating required clearances on either side.
• Limited Space in Electrical Rooms — Data center electrical rooms are dense: transformers, switchgear, UPS systems, and PDUs packed into tight footprints. Accurate equipment modeling — including maintenance access paths — prevents clearance violations that fail inspection or require field modifications.
• Phasing and Future Expansion — Many data center builds are phased: shell-and-core construction followed by fit-out in stages, with provisions for future capacity. Conduit sleeves, spare raceway, and future panel positions must be modeled from day one to avoid cutting into finished work.
• Backup Power System Coordination — Generator sets, automatic transfer switches, and associated conduit runs add a secondary electrical distribution layer. Routing large-diameter generator feeders through a building that already has a full primary distribution system requires deliberate spatial planning at every penetration point.
• Fire Alarm, Security, and Monitoring Integration — Data centers carry extensive special systems: fire suppression control, access control, CCTV, BMS, and environmental monitoring. Each system has its own raceway requirements, separation rules from power, and connection points at electrical equipment — all of which must be modeled and coordinated, not left to the field.
• Coordination with IT and Network Infrastructure — Cable trays for fiber, copper, and structured cabling run throughout the white space and support areas. Electrical BIM must account for these pathways even when the IT contractor models separately, because conflicts at overhead crossings and wall penetrations are among the most common RFI sources on data center projects.

How We Approach Electrical BIM for Data Center Projects

Data center electrical BIM is not a scaled-up version of standard commercial modeling. The combination of redundant systems, phased construction, and zero-tolerance uptime requirements means the model has to carry more detail — and more coordination logic — than most project types.

Conduit and Cable Tray Routing Data center overhead zones are among the most congested environments in commercial construction. SJS models all electrical pathways — primary power, emergency, low-voltage, and special systems — in a single federated model, applying required separation distances between power and data trays and resolving conflicts with mechanical and structural elements before the first conduit hanger is set. On the Atlanta hyperscale project, underground conduit routing in a densely occupied slab required precise spatial coordination across multiple trades; a strategic combination of underslab, in-slab, and overhead routing produced a system that worked in both open and congested zones.

Panel and Equipment Modeling Switchgear, UPS, PDUs, and transformers are modeled to manufacturer LOD with accurate footprints and required clearances. This allows electrical room layouts to be confirmed — and adjusted — before procurement locks in equipment positions. Phased capacity provisions, including spare conduit and future panel stub-outs, are modeled at the same time as the installed scope so they survive into the as-built record.

Clash Detection On a data center, clashes between electrical and mechanical are not just schedule risks — they often involve life-safety and uptime systems. SJS runs regular clash detection cycles throughout the coordination schedule, prioritizing conflicts that affect critical path installation sequences: switchgear access, cooling unit clearances, and emergency egress paths. Issues are tracked in a documented log with resolution status, not handled informally.

Shop Drawings and Prefabrication Support Data center schedules compress field labor wherever possible. On the Atlanta hyperscale project, precise material quantity modeling enabled overhead prefabrication that had not been part of the original plan — off-site assembly reduced install time, labor cost, and material waste on congested overhead runs. SJS produces shop drawings and spooling drawings coordinated to the prefab scope, ensuring that what is built in the shop fits the conditions in the model.

Who We Work With on Data Center Projects

Data center builds involve a layered project team: the owner or developer sets uptime requirements, the general contractor manages schedule and trade sequencing, and multiple specialty contractors — electrical, mechanical, low-voltage, IT infrastructure — each work from their own scope. Electrical BIM sits at the intersection of all of them, because the electrical model has to coordinate with every other system in the building.

General Contractors and Construction Managers 

On a data center project, the GC is managing a coordination process that is more complex than most commercial work — redundant systems, phased delivery, and owner-imposed milestone dates that do not move. SJS provides a model that supports the coordination meetings, documents clashes and resolutions, and produces the as-built record that the owner requires at handover. The weekly meeting cadence and issue log process SJS used on the Atlanta hyperscale project reduced RFI response time and kept the electrical scope off the critical path.

Electrical Contractors 

The electrical contractor on a data center build is responsible for a scope that includes primary distribution, backup power, and all special systems — while coordinating with mechanical, structural, and IT trades in real time. SJS handles the BIM and VDC work, producing layout drawings, shop drawings, and spooling packages that are ready to build from. The electrical contractor gets field-verified, conflict-free documentation, not a model that needs to be re-coordinated on-site.

Data Center Owners, Developers, and EPC Companies 

Owners and developers who manage their own procurement — or EPC firms delivering a turnkey facility — need a BIM record that is accurate enough to support facility management, future fit-out, and capacity expansion planning. SJS delivers an as-built model updated through construction, with the systems detail and metadata structure that operations teams can work with after handover.

Electrical BIM & VDC Services for Data Centers FAQ

What LOD is standard for electrical BIM on data center projects?

LOD 400 is standard for data center electrical coordination — equipment modeled to manufacturer dimensions, conduit and tray routed to installation position, and connections shown to specific termination points. LOD 300 is sometimes used for early coordination, but the density of systems in a data center means the model needs to carry installation-level detail before shop drawings are issued.

How is electrical BIM coordinated with the IT and low-voltage contractors on a data center build?

SJS coordinates directly with the low-voltage and IT contractors by exchanging models on a defined clash detection schedule. Electrical power tray and data tray separation requirements are applied in the federated model, and conflicts at overhead crossings and wall penetrations are resolved in coordination before they become field conflicts. If the IT contractor is not modeling, SJS can reserve space for their scope based on design intent drawings.

Can electrical BIM support phased data center construction — building shell now, fit-out later?

Yes. Phased data center builds require the first-phase model to account for provisions that will not be installed until later: conduit sleeves through walls and slabs, future panel positions, spare raceway capacity, and penetration paths for future feeders. SJS models these provisions alongside the installed scope so they are part of the coordinated record from day one, not retrofitted into a finished model.

How are redundant A-feed and B-feed paths handled in the coordination model?

Both distribution paths are modeled simultaneously, with the required separation distance between them enforced in the model. Conflicts between A-feed and B-feed trays — and conflicts with mechanical, structural, and low-voltage systems — are identified in clash detection before routing is finalized. Maintaining separation through congested zones, equipment rooms, and overhead crossings is one of the primary coordination tasks on a data center project.

What does the as-built model include at data center project closeout?

The as-built model is updated throughout construction to reflect field deviations from the coordinated model — repositioned equipment, re-routed conduit, added circuits. At closeout, it includes all installed electrical systems modeled to LOD 400, updated equipment data, and the metadata required for facility management. On the Atlanta hyperscale project, as-built model maintenance was part of the scope from the start, not an afterthought.