The 'One-Stop Shop' Trap: I Lost $8,400 on a 'Full-Service' Elevator Retrofit

The $8,400 Question: Why Did Our 'Turnkey' Elevator Project Fall Apart?

In September 2022, I approved a $62,000 contract for a two-elevator retrofit in a six-story office building. The general contractor promised a turnkey solution: elevator supply, installation, shaft work, electrical, and even patching the walls afterward. One throat to choke, as my boss likes to say.

Three weeks late and $8,400 over budget, I learned that "one throat to choke" can also mean "one throat that isn't actually qualified to do most of the choking."

The elevators themselves worked. Eventually. But the path to that point was a masterclass in what happens when a vendor's scope exceeds their competence.

The Surface Problem: Everything Was 'Included'

On paper, the full-service bid looked fairly efficient. The contractor's proposal listed elevator installation, shaft modification, door framing, electrical connections, and "finish restoration." No separate trades to coordinate. No gaps in responsibility.

What I didn't ask—and should have—was simpler: What do you actually do in-house, and what do you subcontract?

The answer, I later discovered, was that the elevator work was subcontracted to a regional installer. The shaft modifications went to a masonry crew. The electrical work went to whoever was available that week. The "finish restoration" was a guy with a bucket of spackle and a deadline.

"The vendor who said 'this isn't our strength—here's who does it better' earned my trust for everything else. The one who said 'we handle it all' earned a three-week delay and a change order."

The Deeper Problem: Elevators Aren't a Generic Construction Line Item

Here's what I didn't appreciate until I watched a crew argue about shaft plumb for two days: elevator installation is a precision trade dressed up as a construction task. Machine-room-less systems like the KONE MonoSpace elevator have tighter tolerances than a typical masonry crew is used to. The shaft doesn't just need to be "close"—it needs to be within millimeters.

Our shaft wasn't. The masonry subcontractor built to standard construction tolerance. The elevator installer showed up expecting MRL tolerance. Nobody had reconciled those two standards before mobilization.

The result: two weeks of back-and-forth, a laser survey we hadn't budgeted for, and a grinding operation that coated the entire stairwell in dust.

That was the first crack. The second was the check register—the running log of inspection sign-offs required by our local authority having jurisdiction. The general contractor treated it as paperwork to be handled at the end. The elevator inspector treated it as a gating item. We failed the first inspection because three prior sign-offs were missing. Not because the work was wrong—because nobody owned the documentation.

The Stuff Nobody Warns You About

Once the car was running, the "finish restoration" phase began. This is where the boundary problem became almost comical.

The elevator door frames had been set slightly proud of the drywall. Fine—that happens. But the "restoration" crew's solution was to fill the gap with painter's caulk and call it done. Two months later, the caulk cracked and the wall around the door frame looked like a bad DIY channel video.

I ended up on a forum at 11 p.m. reading about how to patch a hole in the wall properly—because the contractor's definition of "restoration" and mine had diverged somewhere around "structural" versus "cosmetic."

And then there was the bathroom adjacent to the elevator lobby. The scope included "minor plumbing adjustments" for the relocated ADA fixture. The general contractor sent the same crew that had been doing electrical work. They installed the shower valve backward. Water ran hot when it should have run cold, and the pressure balance was off. We didn't discover it until the first tenant complaint.

I'm not exaggerating when I say that the elevator itself—the actual machine—was the least problematic part of the project. The chaos lived entirely in the boundaries between trades, which is sort of the whole point.

The Real Cost: What $8,400 Actually Bought Us

Let me break down the damage:

• $3,200 in shaft remediation (laser survey, grinding, cleanup)
• $1,100 in failed inspection re-testing and expedited documentation
• $1,800 to redo the drywall around both door frames properly
• $900 for the plumber who fixed the backward shower valve
• $1,400 in extended general conditions (three extra weeks of site supervision)

Total: $8,400. Plus three weeks of delay, plus a tenant who now associates our building with "that elevator project."

I still kick myself for not asking one question during pre-qualification: "What's the one thing you wish clients stopped asking you to do?" The answer would have told me everything about where their competence ended and their ambition began.

The Fix: Hire Specialists, Then Make Them Talk to Each Other

On our next retrofit—a smaller three-story building in Portland, Maine—I ran the procurement differently.

First, I separated the scopes. Elevator supply and installation went to an elevator company. Shaft work went to a masonry contractor with MRL experience. Electrical went to an electrician who had done elevator tie-ins before. Finish work went to a drywall crew. No "full-service" bids.

Second, I required a pre-mobilization meeting where every trade walked the shaft together. The elevator installer brought tolerance specs. The mason brought a laser level. They argued for forty minutes and then agreed on a sequence. That argument saved us two weeks.

We specified the KONE MonoSpace elevator for that project because the machine-room-less design eliminated the rooftop penthouse that would have triggered a whole separate structural scope. The KONE team was clear about their boundaries from the first call: they'd handle the elevator, the controller, and the inspection coordination. They would not patch drywall, move plumbing, or touch the electrical panel beyond the disconnect.

That clarity was worth more than any discount. When I asked the KONE elevator Maine service team about maintenance response times, they gave me honest ranges by season—not a guarantee. When I asked about the check register process, they walked me through exactly what documentation they'd provide and what the authority having jurisdiction would require from us.

Nobody said "we do it all." Everybody said "here's what we do, here's what we don't, and here's who you should call for the rest."

The Boundary Principle

I've come to believe that a vendor's willingness to say "we're not the best choice for that" is a leading indicator of quality. It's counterintuitive—you'd think broader capability means less coordination work for you. But in my experience, the vendor who claims everything is usually subbing out the parts they don't understand, and the handoffs are where projects die.

I don't have hard data on how often "full-service" elevator contracts go sideways. What I can say anecdotally is that in the five retrofits I've managed since 2019, the two with the most scope breadth had the most change orders and the longest delays. The three with the narrowest scopes finished on time or close to it.

What I'd Tell Someone Starting a Retrofit Tomorrow

If you're planning an elevator project—new install, modernization, or just a maintenance contract—here's the checklist I now use:

1. Ask what they don't do. If the answer is "nothing," move to the next bidder.
2. Separate elevator scope from construction scope. Let the elevator company own the elevator and the interface points. Let the builders own the building.
3. Require a joint walk-through before contracts are signed. Tolerances and sequences need to be agreed on by the people who'll actually do the work.
4. Own the check register yourself. Don't delegate inspection documentation to a trade that treats it as an afterthought.
5. Budget for finish restoration as a separate line item. "We'll patch it" means different things to different people. Usually the cheapest meaning.

This approach worked for us on mid-size commercial retrofits in the three-to-six-story range. If you're doing a ground-up high-rise with a dedicated construction manager, the coordination burden might be lower—but the boundary question still matters. If you're doing a single residential elevator, the calculus is different again; you probably need a dealer who can hold your hand through permits, not a trade-by-trade split.

I can only speak to my context: commercial retrofits where the elevator is one line item among many, and where the temptation to bundle everything is high.

The $8,400 mistake taught me that "one-stop shop" is a sales promise, not an operational reality. The best vendor relationships I have now are the ones where each party knows exactly where their job ends—and says so out loud.