The Economics That Make Engineers Conservative About New Technology

It is ‘common knowledge’ in the water industry that engineers are timid, risk-averse gatekeepers protecting their turf. That read is especially common among tech company founders, and does have some truth. But the engineer who passed on their product was not being cautious as a personality trait. The business around that engineer was doing exactly what it was built to do. There are four forces at work, and every one of them points the same direction: toward technology that is already proven. Understanding them is the difference between fighting the current and working with it.

Force one: the fee is a percentage of construction cost

Start with how the firm gets paid. Engineering design fees on water and wastewater projects are typically calculated as a percentage of construction cost, generally in the range of 10 to 15 percent depending on complexity. The City of Phoenix uses 15 percent as its planning figure for water and wastewater design. FEMA’s cost curves and the long-standing ASCE fee curves describe the same basic relationship: the bigger and more complex the construction, the larger the design fee, on a sliding scale.

In short, the firm’s revenue is tied to the project getting designed, permitted, funded, and built. It is not tied to the sophistication of the equipment inside the plant. A membrane system from a startup and a membrane system from a name every engineer in the room recognizes generate almost the same design fee. The specifications are roughly the same length and the construction cost is roughly the same; therefore, the fee is roughly the same.

What is not the same is the work behind the spec. Specifying a new technology means more evaluation hours, more reference-checking, more internal review, more back-and-forth with the utility’s staff who have never heard of the vendor. The fee model does not pay for any of that. A firm that specifies proven equipment earns its fee with less effort and less exposure. A firm that specifies something new does the same fee’s worth of billing and takes on a pile of unpaid risk to do it. The economics do not punish innovation exactly… they just decline to reward it.

Force two: the liability is asymmetric

The unpaid risk is the real story. The engineer of record stamps the drawings, and that stamp carries the standard of care. The law holds them to what a reasonably prudent professional would do under similar circumstances, in the same or similar locality. That standard sounds forgiving until you notice what it references: peers. The measuring stick is what other competent engineers in the same market would have done.

Specifying the technology everyone else specifies is, almost by definition, inside the standard of care. Specifying something novel that then underperforms invites a harder question. Would a reasonably prudent peer have used an unproven product on a project like this? If a firm ends up defending that choice, proving or disproving a standard-of-care breach requires expert testimony from another engineer in the same profession. The dispute is expensive, it is slow, and it plays out in front of the exact community whose respect the firm depends on.

Now weigh the two outcomes an engineer actually faces. Pass on a strong new technology and the cost is an opportunity, invisible and rarely traced back to anyone. Specify a bad one and the cost is a client, a deductible, a deposition, and a story that travels through the operator and engineering community faster than any marketing campaign. Those outcomes are not symmetric, and a rational person facing an asymmetric bet hedges toward the side where the downside is bounded. That is the innovation penalty and it is directly baked into the liability structure.

Force three: the insurer is a silent party to the spec

Behind the engineer sits the professional liability carrier, and it has opinions. Errors and omissions coverage is what stands between a bad spec and a firm-ending claim, and carriers price that coverage against the risk profile of the work. Firms that take on experimental or first-of-kind designs are a different underwriting proposition than firms that stick to established practice. Some policies carve out or scrutinize novel and untested systems. Renewal questionnaires ask about the kind of work the firm pursues.

The engineer drafting a preliminary engineering report is rarely thinking about the insurance carrier in the moment. The caution is already priced into the culture of the firm, reinforced every renewal cycle, and encoded in the internal review process that a novel specification has to survive. The carrier is a third party at every specification meeting, and it never says a word in favor of the untested option.

There is a related legal wrinkle worth knowing. When a design omission is later corrected, the betterment doctrine can limit what an owner recovers from the engineer, on the logic that the owner ends up with something they would have had to pay for anyway. That doctrine caps some financial exposure but it does nothing for the relationship damage or the reputational hit, which are the costs the firm actually fears most.

Force four: the business runs on repeat clients

The last force is maybe the strongest. Engineering firms do not live on one-off projects. They live on utility relationships that span decades. A utility’s lead engineer might turn over every few years while the consultant relationship runs twenty, and that continuity is the firm’s most valuable asset. It produces the master plans, the follow-on design work, the emergency call when a pump station floods at 2 a.m.

One bad specification threatens all of it. A technology that fails after startup costs the firm the lost confidence of a client the firm expected to bill for the next twenty years. Every incentive in a relationship-driven business rewards the choice that protects the relationship, and the choice that protects the relationship is the one nobody can second-guess. Proven equipment is that choice. This is the machinery underneath how utilities actually make buying decisions: the options that reach the decision-maker were already filtered by a firm with a twenty-year relationship to defend.

What this means if you are selling

Put the four forces together and the pattern stops looking like stubbornness. The fee model declines to pay for the extra work of evaluating you. The standard of care makes specifying you the harder position to defend. The insurer prices your novelty as risk. The relationship business rewards the safe pick. So a good engineer, acting rationally inside that structure, passes on your technology.

Which tells you where the lever is. A better pitch does not move any of these forces, because none of them are about whether your technology is good. They are about who carries the risk if it is not. The founders who break through are the ones who move risk off the engineer’s side of the ledger. Operating references at comparable scale, so the choice is defensible to a peer. Performance guarantees and warranties that put the vendor’s money where the risk is. Specifications that name your product alongside an established alternative rather than as a sole source, which is a far easier spec to defend. This is the same discipline that separates a pilot from a procurement: the work is not convincing the engineer your product is exciting. It is making it safe for a rational person to specify.

What this means if you write specs

For the firms themselves, the four forces are not a problem to solve. They are the reason clients trust the profession. Utilities hire engineers precisely to be the disciplined filter between a compelling pitch and a stamped drawing. The conservatism is doing its job.

But the cost is that genuinely better technology diffuses through this industry more slowly than it should, and some of that lag is value left on the table for utilities and ratepayers. The firms that manage the tension best are the ones that build a deliberate process for it, a standing way to evaluate new technology and share risk with vendors, so that a good new product has a path to specification that does not require any single engineer to bet their stamp on faith. That process is worth building on purpose, because the default, left alone, will always resolve toward the incumbent.

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HydroKnowledge advises engineering firms on evaluating new water technology and advises water tech founders on what serious specifiers are actually weighing. Get in touch if you’d like to discuss either side of this work.