Uniformat G3010

Ductile iron watermain

A ductile iron watermain has a useful life of about 80 years, the median of 6 published sources, which state 50–160 years.

Also listed as Watermain, ductile iron, DI watermain, ductile iron pipe

• 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.

Work out when yours is due for replacement · Compare with what municipalities assume

Basis

• 60 years · Barrie: City of Barrie Corporate Asset Management Plan: Proposed Levels of Service, p148 (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 75 years · Barrie: City of Barrie Corporate Asset Management Plan: Proposed Levels of Service, p148 (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 60 years · Kenora: AF-6-1 Tangible Capital Asset Policy (By-law 34-2026), p17 (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 (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 80 years · Belleville: Asset Management Plan - Comprehensive Citywide AMP - City of Belleville, p118 (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 100 years · Belleville: Asset Management Plan - Comprehensive Citywide AMP - City of Belleville, p118 (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 160 years · Belleville: Asset Management Plan - Comprehensive Citywide AMP - City of Belleville, p118 (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 90 years · The Blue Mountains: Town of The Blue Mountains Asset Management Plan 2025, p26 (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 90 years · Cornwall: 2025 Asset Management Plan City of Cornwall, p354 (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

2 tasks in 2 work orders. Intervals that fall due together are one visit: the every 5 years visit also covers the annual tasks.

1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
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, ductile iron, v0.6.0. https://unfinished.one/c/watermain-ductile-iron/v/0.6.0

BibTeX

@misc{unfinished_watermain_ductile_iron_0_6_0,
  title = {Watermain, ductile iron},
  author = {{unfinished.one}},
  year = {2026},
  version = {0.6.0},
  url = {https://unfinished.one/c/watermain-ductile-iron/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