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The Plumbing Risk Register: 7 decisions that determine whether your development passes or fails handover

You followed the process, paid a fair price, and still paid again to fix work that should have been right the first time. That second bill starts on a drawing, not on site. This register shows you where.

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Most projects work on one assumption. The drawings are approved, the plumber is hired, so the rest is just installation, and the cheapest quote is fine because plumbing is plumbing. That assumption is where the second bill comes from.

Fix it on screen, not on site.

The 7 decisions inside

  • Scoping. Weak scope leaves gaps between what was agreed and what got built, so you pay again for what you thought was included.STREAM™ · Scope

  • Drawings and records. No drawings means walls get opened to trace pipes once the plumber has left, and every future fix is destructive.STREAM™ · Transform

  • Sourcing and procurement. Late or substandard materials, and on-site swaps made without design input, become tomorrow's liability.STREAM™ · Resource

  • Execution. Unqualified hands, undersized waste pipes, and airlocks bring blockages, low pressure, and installs that get demolished.STREAM™ · Execute

  • Assurance, warranty and testing. No test records or sign-off means no cover when a defect shows up and the contractor cannot be reached.STREAM™ · Assure

  • Maintenance. No one accountable after handover, so every buyer complaint lands on you, with no system to reference.STREAM™ · Maintain

  • Monetisation. No plan to earn from the water infrastructure you have already paid for, and retrofitting later is expensive or impossible.STREAM™ · Monetise

Who it is for

Written for the MD or director carrying 50+ units, who takes the blame when the plumbing fails after handover, even when the fault started months earlier on a drawing.

If your last project ended in a snag list, a slipped handover, or leaks in Block B that nobody would own, the register is written for you.

Born from Vanguard Engineering's 200+ building services projects over 20 years. Those were building services projects, not plumbing jobs alone, so the register covers what happens where plumbing meets structure, electrical, mechanical and fire. Under the OnePlumbing brand: Khalif Suites and Pili Trade Center. The method is the STREAM™ system: scope, transform, resource, execute, assure, maintain. The outcome you build toward is Leak-Free Profitable Plumbing.

Send me the register

Check your inbox. The register is on its way.

Open it next to your current drawings and tick as you go. Anything you cannot tick is where your risk sits.

Want to know your specific risk? Take the 3-minute Watertight Score

Email not arrived? Open the register PDF directly.

The outcome you build toward is Leak-Free Profitable Plumbing. If you would rather talk it through, reach us at help@oneplumbing.co or +254 703 818181.