JUNE 2015 – NOVEMBER 2015
SAN FRANCISCO OLD BAY BRIDGE
PIER 3 DEMO
San Francisco, CA
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Illustration: Preparation for
pier demolition
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Illustration: Vessel support
Pier E-3
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SCOPE OF WORK
Support foundation demolition by utilizing explosives
to “implode” the first exposed foundation at pier E-3.
Cutting underwater concrete steps into the foundation
buttress walls to facilitate drilling 60.0’ plus feet
into the bridge foundation to produce bore holes to
receive explosives. Also, C & W supported; 1)
hydrographic survey, 2) debris removal around foundation
base, 3) installation of perimeter air bubble curtain to
diminish the shock wave from explosion force, and 4)
survey of foundation post implosion.
REQUIREMENTS
C & W provided USCG certified vessels to support KM
JV work crews, Cal Trans engineers, regulatory
environmental personal, and CA fish and game staff
throughout the period of performance.
LOCATION: San Francisco, California
PERFORMANCE PERIOD: 6 months
POINT OF CONTACT:
Kiewit-Manson, a JV
Dave Nielsen
(510) 773-7803
JANUARY 2015 – APRIL 2015
SOUTHERN CALIFORNIA EDISON, LONG
BEACH TOWER LEG REPAIR
Long Beach, CA
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Illustration: Edison power
line towers in Cerritos Channel, Long Beach
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Illustration: Tower 2 with
pile jackets and Splints installed
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Illustration: Tower 3 with
pile jackets and splints installed
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SCOPE OF WORK
Inspect Tower legs, determine means of repair to
structure due to severe environmental deterioration.
Repair legs with means suitable to SCE.
REQUIREMENTS
C&W has mobilized a (DSV) Dive Support Vessel with
shallow water diving systems to Long Beach, Cerritos
Channel, California. Work included installing pile
jackets on legs, engineer and install splints on legs
that require support due to corrosion.
LOCATION: Cerritos Channel, Long Beach,
California
PERFORMANCE PERIOD: 6 months
POINT OF CONTACT:
Southern California Edison
Randall Starkey – Transmission Construction PM
(909) 374-5660 May 2015
DOWAKSA
Underwater Pile Protection
SCOPE OF WORK
C&W teams with DowAksa to develop an underwater pile
protection and strengthening method using polymer
saturated carbon fiber wrap. Test piles were wrapped in
a tank constructed in the DowAksa facility to allow
chemists to observe the application issues and
understand the changes in formulation that are required
while working underwater.
LOCATION: Tuscon, AZ 85716
PERFORMANCE PERIOD: May 2015
POINT OF CONTACT:
Davoud Zamani – Research and Development Director;
Infrastructure. (520) 292-3109
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