Coast Range Tunnel
Named in the records1924–1985
16 records of San Francisco tie this place, 1924–1985: 5 decisions of the Board of Supervisors and 11 facts read from city reports. Open the full list, with filters for years, kind and outcome.
- Kind
- Named in the records
- Records
- 16: 5 Board decisions, 11 facts from city reports
- Years
- 1924–1985
What the records say
All 16 records, in date order. The one-line summaries were written by a language model from the printed page; open the page to check the wording.
| When | What the record says | Outcome | Source |
|---|---|---|---|
| 1924-08-07 | Public Utilities Committee proposes an $8,000,000 (≈ $157.6 million in 2026 dollars) bond election to fund the Coast Range tunnel for the Hetch Hetchy water supply. | ballot_measure | Board decision scanned page ↗ |
| 1927 | Coast Range Tunnel · built: tunnel drilling started after budget adopted in 1927 | project | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1931-10-05 | City Engineer reports wood stave pipe is unsuitable for the emergency water pipeline bypassing the Coast Range tunnel. | other | Board decision scanned page ↗ |
| 1932 | Coast Range Tunnel · event: Two-year delay in initial funding for the Coast Range Tunnel; 1932 critics and second-guessers | event | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1932-08-15 | The Board authorized a $100 (≈ $2,459 in 2026 dollars)-a-year lease from N. M. Freitas for gravel for the Coast Range Tunnel. | passed | Board decision scanned page ↗ |
| 1936-10-19 | City adopted resolution extending to November 1, 1937 the time to claim spring damage from the Coast Range Tunnel, and furnishing water to Annie E. Murphy's land. | passed | Board decision scanned page ↗ |
| 1937-10-18 | Board extended to November 1, 1938 the deadline for water-supply damage claims by Annie E. Murphy over the Coast Range Tunnel easement. | passed | Board decision scanned page ↗ |
| 1985 | Coast Range Tunnel · finding: problems have not recurred after a half century of constant use; regular inspections confirm the tunnel | finding | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel · event: Methane gas first detected in Mocho Shaft; more stringent precautionary safety measures imposed | event | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel · other: 25-mile long tunnel divided into six work sections by two portals (Tesla and Alameda East) and five shafts | project | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel · other: Lined entirely with concrete, 10.5 foot diameter tunnel | project | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel · event: Project cost the lives of twelve men | event | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel · event: New Charter required public bidding to complete the Coast Range Tunnel project | event | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel and San Joaquin pipelines · approved: $24 million bond issue for Coast Range Tunnel and San Joaquin pipelines approved 7 to 1 | project | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | Coast Range Tunnel · other: 28.5-mile long tunnel from [name withheld] to [name withheld] in two sections | project | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
| 1985 | [name withheld] east tunnel methane explosion · event: methane gas encountered; explosion killed twelve men | event | City report: San Francisco water & power : a history of the Municipal Water Department and Hetch Hetchy System scanned page ↗ |
All 16 records, with filters · this place's data as JSON · release v0.7.1 · CC0 1.0