Snapshot
Caldecott Fourth Bore Project
Paula Wallis reports for TunnelTalkLocation:
Oakland, California
Tunnel:
1,033m (3,389ft) long x 12.58m (41.25ft)
with seven cross passages connecting the third and fourth bores.
with seven cross passages connecting the third and fourth bores.
Type:
Road Tunnel
Contract Value:
$215 million
Method:
NATM
Contractor:
Designer:
Construction Management:
Roadheader supplier:
