Treasure Island perimeter
Named in the records1936–2002
29 records of San Francisco tie this place, 1936–2002: 0 decisions of the Board of Supervisors and 29 facts read from city reports. Open the full list, with filters for years, kind and outcome.
- Kind
- Named in the records
- Records
- 29: 0 Board decisions, 29 facts from city reports
- Years
- 1936–2002
What the records say
All 29 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 |
|---|---|---|---|
| 1936 | Treasure Island perimeter dike · built year: constructed concurrently in 1936 and 1937 | building | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 1983 | Treasure Island perimeter dike · event: Portions of the dike were repaired | event | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 1989 | Treasure Island perimeter dike · finding: less than 6 inches of lateral (bayward) movement in most locations after [name withheld] earthquake | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dikes · finding: lateral displacements may be more than 10 feet within the first 500 feet from the perimeter for a magnitude 8.0 earthquake | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Naval Station Treasure Island reuse Alternative 3 · alternative: New utility corridor built only on the southern Treasure Island perimeter | alternative | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · finding: Dike overtopping flooding of occupants, visitors and property; significant impact | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · other: perimeter dike as high as approximately 13.2 feet NGVD | site | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · other: approximately 15,800 feet of perimeter stone dike | building | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dikes · finding: perimeter dikes are constructed on sand or fill materials | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · finding: adequate protection from wind- and wake-generated waves | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | NSTI stormwater collection system · other: 49 outfalls at the perimeter of Treasure Island | property_record | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Seismic upgrades · other: dike improvements to the entire Treasure Island perimeter | measure | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | New underground utility corridor · other: new underground utility corridor along the island perimeter carrying storm and sanitary sewer, water, reclaimed water, electricity, gas and telecommunications lines | project | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Perimeter dike, Treasure Island · finding: ferry wakes unlikely to substantially affect the dike | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · finding: Localized dike failure, which has occurred in the past, is not expected to result in an unacceptable risk of loss, injury, or death | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Alternative 1 ponding mitigation · recommendation: fill other low-lying areas within 500 feet of the Treasure Island perimeter before development | recommendation | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island levee · other: Levee height raised as necessary to 15 feet (4.5 m) NGVD around the entire perimeter of Treasure Island | measure | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island utility corridor · other: New reinforced utility corridor along the perimeter of Treasure Island with primary potable water, wastewater, stormwater, electrical, gas and telecommunications infrastructure | measure | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike and seismic improvements · other: Extent of perimeter dike and seismic improvements varies with each reuse alternative | project | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Seismic upgrades (Treasure Island perimeter) · other: dike improvements to the entire Treasure Island perimeter | action | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Naval Station Treasure Island perimeter · finding: vegetated shallows around the perimeter, identified as special aquatic sites | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter · finding: Lateral spreading accompanying liquefaction is a major seismic hazard at the perimeter | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter stabilization measures · finding: Perimeter stabilization would protect the island from large-scale lateral spreading | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter stabilization measures · finding: less than 1 foot (0.3 m) | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dikes · finding: Localized dike failures may occur because of thickness of unconsolidated sediments underlying the dikes | finding | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike improvements · recommendation: DBI will require peer review of permits for perimeter dike improvements by structural and geotechnical engineers | recommendation | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · other: Existing perimeter dike elevation 7.7 to 13.8 feet NGVD | site | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · recommendation: Set back development inboard of the perimeter dike to allow periodic dike raising | measure | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
| 2002 | Treasure Island perimeter dike · recommendation: Set back development inboard of the perimeter dike to allow room for periodic dike raising | recommendation | City report: Disposal and reuse of Naval Station Treasure Island : draft environmental impact statement scanned page ↗ |
All 29 records, with filters · this place's data as JSON · release v0.7.1 · CC0 1.0