Caltrans contractors plan to start carving out the fouth bore of the Caldecott Tunnel on Monday. The roadheader that is being used for the project is a 130-ton, 54-foot-long and 14-foot-tall excavation device with a rotating cutter mounted on a boom. The roadheader will dig the 3,389-foot-long bore that Keep reading >> By: kayla 
Posts Tagged "caldecott tunnel"
Caltrans contractors plan to start carving out the fouth bore of the Caldecott Tunnel on Monday. The roadheader that is being used for the project is a 130-ton, 54-foot-long and 14-foot-tall excavation device with a rotating cutter mounted on a boom. The roadheader will dig the 3,389-foot-long bore that Keep reading >> By: kayla
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Tunneling for Caldecott Tunnel to begin Monday in Orinda
AC Transit Youth Passes no longer offered on paper; students must apply for and use a Clipper card
Judge grants injunction suspending Keep reading >> By: Trucy Phan
According to mercurynews.com, fossil hunter Joshua Wyatt recently found the imprint of an avocado tree leaf- about 10 million years old- preserved in smooth rock like leaves flattened between layers of wax paper. The excavation of the fourth bore of the Caldecott Tunnel has opened a door for paleontologists to Keep reading >> By: kayla
According to caldecott-tunnel.org, the left lane and the adjacent lane (#1 & #2) of westbound Route 24 before the Caldecott Tunnel will be closed Wednesday and Thursday nights, July 14-15 from 11:00 PM – 4:00 AM. The middle tunnel bore will also be closed during this time period.
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• Keep reading >> By: kayla
According to Caldecott-tunnel.org, the far right lane (#4) of westbound Route 24, before to the Caldecott Tunnel will be closed Tuesday night, July 13. The closure at 7:30 PM, with full closure in place by 8:30 PM. The closure will be until 4:00 AM.
Also, the Fish Ranch Road off-ramp Keep reading >> By: kayla
A giant roadheader, which was built in Northeastern Germany, was shipped to Oakland and assembled at the east portal of the Caldecott Tunnel. There are several weeks worth of work that must happen before the excavation can begin. According to Caldecott-tunnel.org, the $3.5 million dollar machine weighs 130 tons Keep reading >> By: kayla
July 6-8 the far right lane (#4) of westbound Route 24 will be closed. Work crews will begin the closure at 7:30 PM and full closure will take place at 8:30 PM. The closure will take place until 4:00 AM.
During those nights, the Wilder off-ramp will be closed from Keep reading >> By: kayla
According to caldecott-tunnel.org, Caltrans crews added sections of concrete barrier to the southern edge of the pavement on Fish Ranch Road, adjacent to the area where the new retaining wall is being built. The barrier will prevent errant vehicles from traveling off the pavement over the steep hillside.
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• Keep reading >> By: kayla
Construction crews are busy at work on the east and west sides of the tunnel, building the portal walls and retaining walls to hold back the hillsides. Most of this work has to be completed before excavation of the tunnel can actually begin.
According to caldecott-tunnel.org, each portal wall Keep reading >> By: kayla
Work crews closed one lane of the Caldecott Lane just west of the Kay Street overpass on June 4th from 7pm to 11am on June 5th. The contractor, according to caldecottt-tunnel.org, was building a 240-foot right turn pocket at the southwest corner of Caldecott Lane and Kay Street. Caltrans and Keep reading >> By: kayla
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