Rebuild of Leaky Pedestrian Tunnel on Washington State Capitol Campus
Sector: Water Supply and Storage • Location: Olympia, Washington, United States
Source: News From The States
The project involves rebuilding an underground pedestrian tunnel connecting the John A. Cherberg and John L. O’Brien legislative buildings on the Washington state Capitol campus. The tunnel, about 85 years old, suffers from water leaks that damage the concrete and threaten structural integrity. The rebuild will include excavation, new waterproofing, external drainage installation, and structural r
- Status
- Prospective
- Sector
- Water Supply and Storage, Tunnel, Government, Cement, Waste Processing and Treatment
- Location
- Olympia, Washington, United States of America
- Updated
- 22 Jul 2026
- Source
- News From The States
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Project Information
Participants
Sponsoring Agency |
Status
Original status | Planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The project involves rebuilding an underground pedestrian tunnel connecting the John A. Cherberg and John L. O’Brien legislative buildings on the Washington state Capitol campus. The tunnel, about 85 years old, suffers from water leaks that damage the concrete and threaten structural integrity. The rebuild will include excavation, new waterproofing, external drainage installation, and structural reinforcement. |
Original sector | Built Environment |
Budget |
Location
Country | United States of America (USA) |
State | Washington |
City | Olympia |
Source
Source | News From The States |
URL |
More Details
Record type | Project |
Sector | Water Supply and Storage, Tunnel, Government, Cement, Waste Processing and Treatment |
Article published date | 2025-06-07 |
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