Uniformat G3010

Watermain valve

Also called gate valve, main valve, isolation valve

• Confidence C
• Version 0.6.0 (permanent link)
• Reviewed 2026-10-22

Service life

Years in service. The band runs from the shortest to the longest life the sources state, so it shows how much they disagree, not how long 80% of units last. The line is the median of the stated lives.

Basis

• 40 years · Greater Sudbury: Enterprise Asset Management Plan (2023), p26 · “System Valve” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 75 years · Kenora: AF-6-1 Tangible Capital Asset Policy (By-law 34-2026), p17 · “Water Mains - Valves” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 50 years · Kingston: Tangible Capital Assets Policy, p15 · “Water Utility - Water Other: Water valves” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 50 years · London: 2023 Corporate Asset Management Plan, p70 · “Valves” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 40 years · Prince Edward: FIN-12 Tangible Capital Assets Policy, p34 · “Water - Valves (Pooled)” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 50 years · Trent Lakes: 5.17 Capital Asset Policy, p10 · “Water - Valves” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 70 years · Brantford: 2025 Asset Management Plan: Environmental Services, City of Brantford, Ontario, p10 · “Distribution - Valves” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 48.7 years · Kirkland Lake: Asset Management Plan 2025 Town of Kirkland Lake, p73 · “Water Valves” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 40 years · Oxford: Oxford County Asset Management Plan 2025, p221 · “Woodstock water - Valve” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 60 years · Peterborough: 2025 Asset Management Plan Water Services, The Corporation of The City of Peterborough, p19 · “Ancillaries - Valves <300 mm” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 45 years · Trent Lakes: Municipality of Trent Lakes Asset Management Plan (Final Report, May 24, 2024), p69 · “GateValve” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 75.1 years · Haldimand County: 2025 Asset Management Plan, p99 · “Water - Valve” (planning life)
  Asset management plan (planning life). Compared with an image of the cited page.

How sources are chosen and recorded: sourcing policy.

Preventive maintenance

9 tasks in 2 work orders. Intervals that fall due together are one visit: the annual visit also covers the semi-annual tasks.

1. 1
2. 2
3. 3
4. 4
5. 5
6. 6Semi
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12Annual

Months from the schedule start. Download the tasks as CSV for a CMMS, or ask the MCP tool get_pm_schedule for dated visits.

Frequencies are ISO 8601 durations in the data (P3M = every 3 months).

Open questions

• These are Ontario accounting lives from municipal capital asset policies, not planning or observed replacement data.

Know the answer? Send it with a source to [email protected].

Cite this

Citation

unfinished.one (2026). Watermain valve, v0.6.0. https://unfinished.one/c/water-valve/v/0.6.0

BibTeX

@misc{unfinished_water_valve_0_6_0,
  title = {Watermain valve},
  author = {{unfinished.one}},
  year = {2026},
  version = {0.6.0},
  url = {https://unfinished.one/c/water-valve/v/0.6.0},
  note = {CC BY 4.0}
}

Licence CC BY 4.0 · How to cite · JSON · Versions: 0.6.0, 0.5.0, 0.4.0, 0.3.0, 0.2.0, 0.1.0