Greenline Office Electrical Fit-Out
A four-floor office tenant fit-out in a downtown Chicago high-rise for a technology tenant, with open-office power, two data rooms, a large training floor and a full lighting control system. The electrical subcontractor engaged LEEDS for a hard-bid Division 26 estimate from the 100% TI construction documents in 48 hours.
Location
Chicago, IL
Size
68,000 SF, 4 floors
Estimated value
$2.4M
Estimate turnaround
48 hours
Scope estimated
What we measured and priced
- 4 floor distribution panels, 2 transformers and 1,100 A of new bus duct tap-offs from the base building riser
- 38,400 LF of EMT conduit from 1/2 inch to 2 inch with 142,000 LF of THHN conductor
- 1,120 receptacles and 420 furniture feed whips for open-office workstations across 4 floors
- 1,240 LED fixtures with 96 occupancy sensors, 48 daylight sensors and a networked lighting control system
- 2 data rooms with 400 A of dedicated distribution, 4 PDUs and 88 dedicated circuits
- Fire alarm extension with 218 devices tied into the base building system
- 9,600 LF of cable tray and J-hook pathway for 1,120 data drops
- Temporary power and lighting for 4 floors through a 14-week construction schedule
The estimating challenge
Downtown high-rise TI work carries conditions a flat labor rate hides: material delivered through a shared freight elevator on a booked schedule, work above 12-foot ceilings from lifts, base building tie-ins only on weekends, and a union labor agreement with specific crew composition rules. The lighting fixture schedule listed 1,240 fixtures but the reflected ceiling plans counted differently on two floors, and the furniture plan driving 420 workstation whips was still being revised by the tenant's furniture vendor. The bid was due in two days.
The result
LEEDS applied NECA labor units adjusted for ceiling height, high-rise material handling and weekend tie-in premiums, and documented each adjustment so the subcontractor's project manager could defend it. The fixture discrepancy was reconciled against the RCP count with an RFI flagged for the 38-fixture gap, and the workstation whips were carried as a unit-priced line so furniture plan changes could be priced without reopening the estimate. The subcontractor bid $2.4M and was awarded the contract. Labor hours tracked within 3% of the estimate through the training floor, the heaviest phase.
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