Owner-Furnished Equipment: The Hidden Schedule Risk in Almost Every Drawing Set

The Vocabulary Matters

OFOI — Owner-Furnished, Owner-Installed. Owner buys it, owner installs it. Contractor coordinates the rough-in.
OFCI — Owner-Furnished, Contractor-Installed. Owner buys it, contractor installs it. Contractor owns the schedule risk if delivery is late.
CFCI — Contractor-Furnished, Contractor-Installed. Standard procurement.
NIC — Not In Contract. Someone else's scope entirely. Often the most dangerous designation because it implies coordination the contractor isn't responsible for.

The contract clarifies which items fall in which category. The drawings then have to coordinate them. Where this breaks down is the gap between the owner's procurement schedule and the contractor's installation schedule. The drawings often assume coordination that doesn't happen because nobody owns the interface.

What the Drawings Should Show for OFE

Every OFE item needs the same level of detail as a contractor-furnished item. That means:

• Equipment specification — make, model, dimensions, weight, electrical requirements, connection types
• Rough-in dimensions — exact location of utilities, mounting hardware, and anchor points
• Support requirements — structural attachments, blocking in walls, equipment pads, ceiling support
• Service and clearance zones — maintenance access required by the equipment manufacturer
• Connection scope — explicit handoff between the rough-in (typically contractor) and the final connection (owner or contractor depending on contract)
• Delivery and storage requirements — when the item arrives, where it's stored, who's responsible for damage

The most common drawing failure is treating OFE as a placeholder. The drawing shows "OFE Equipment" with no model, no dimensions, no utility requirements. The contractor roughs in based on assumptions, the equipment arrives different from the assumptions, and the rough-in has to be redone. This is responsibility on the owner, but the contractor pays for it through schedule extension.

High-Risk OFE Categories

Medical equipment. CT scanners, MRIs, surgical lights, sterilizers — each has very specific structural support, electrical, plumbing, HVAC, and shielding requirements. Imaging suites in particular have RF shielding, lead lining, and floor-loading concerns that the equipment vendor specifies but the drawings often don't reflect. See hospital MEP coordination.

Foodservice equipment. Commercial kitchens are dense with OFE: walk-in coolers, ranges, hoods, dish machines, ice makers. Each has specific water, gas, electrical, and venting requirements. Coordination usually goes through a foodservice consultant whose drawings have to be integrated with the architect's and engineer's drawings.

Lab equipment. Fume hoods, biosafety cabinets, autoclaves, and analytical instruments have specific air handling, exhaust, vibration, and utility requirements. Each new piece of equipment can change the lab's air balance and exhaust system requirements.

AV and broadcast equipment. The AV consultant's drawings show the equipment locations, but the racks need power and cooling that the electrical and mechanical drawings have to coordinate. Auditoriums, courtrooms, and broadcast facilities all have AV systems that drive significant infrastructure.

Tenant fit-out equipment. In multi-tenant buildings, tenants often furnish their own equipment but require shell-and-core coordination. The shell drawings have to account for the tenant's likely loads and connection points without dictating them.

The Submittal Problem for OFE

Contractor-furnished equipment goes through a formal submittal review. Owner-furnished equipment often does not. The owner orders the equipment, the contractor sees a generic placeholder in the drawings, and the actual cut sheets show up two weeks before delivery — too late for any rough-in changes.

The right approach: treat OFE the same as CFE for submittal purposes. The owner provides cut sheets and rough-in drawings to the contractor for review and coordination at the same time those would be required for a CFE item. The contract should require this. The drawings should reference the OFE submittal log. See our submittal log guide.

Why This Matters for Schedule

OFE delivery delays are the most common reason for owner-caused schedule extension claims. The contractor isn't at fault for the delivery date, but they bear the cost of the schedule extension if the rough-in was correct and the equipment is late. If the rough-in was based on bad drawings and the equipment arrives different, the parties spend the next six weeks arguing about who's responsible for the rework.

The drawing review for OFE is essentially a risk-allocation review. Each item the drawings handle correctly is a future dispute that doesn't happen. Each one they handle generically is a future dispute waiting to happen.