Data center scheduling: the job isn't done until Level 5 passes
On a data center the building is the easy part. How to schedule commissioning loops, permanent power, long-lead gear and float so the delay shows up before it lands.
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Before you carry a data center number: a precon checklist
Ten questions a GC precon team should answer before carrying a data center number: owner gear, redundancy, commissioning, liquid cooling, schedule and subs.
Bid coverage when only a few subs can do the work
On data center MEP packages the subs are choosing their GCs too. Why coverage means crews at the peak, not names on a list, and how to level with two bids.
On a data center, the schedule is part of the estimate
On a data center one procurement date drives escalation, storage, general conditions and damages. Why precon should price schedule and cost as one risk.
Data center precon is not commercial precon with more power
On a data center the risk leaves the building and moves into owner-furnished gear, commissioning, and a schedule set by power. What changes for GC precon.
Leveling bids when the owner buys the equipment
On an OFCI data center, an electrical bid prices custody steps, not gear. How to level each owner-furnished item from receiving to integrated testing.
Who owns the liquid cooling connection on a data center?
Liquid cooling adds three loops and three owners. The gap sits between facility water, the CDU and the rack: hoses, valves, flushing, fluid and leak detection.
Commissioning is scope: pricing L1–L5 in data center bids
Data center commissioning is priced scope: crews, load banks, fuel, OEM support and re-tests at every level. How to carry it before sub bids leave it out.
The five-foot line: plumbing and site utilities
The gap between the plumbing bid and the site utility bid is rarely a missing item. It is the same pipe on two sets, priced by two subs reading different sheets.
Fire sprinkler bids: the assumptions set the price
Sprinkler is usually delegated design, so at bid time the design does not exist yet. What a proposal is really telling you is which assumptions it priced.
Public bid leveling: the file is the evidence
Sealed public work has no negotiation after opening, so an uncovered scope is yours. What leveling must settle before the bid, and what the file proves later.
How to evaluate AI preconstruction software
Most pilots run on a frozen sample package, the one condition that cannot test what actually matters. What to put in front of these tools, and what to ask.