Zachry, strong teamwork and diligent planning helped decrease
this overall number of piles by over 40 percent.
In addition to Cajun’s PCCP scope, 187 each PDAs were required
to verify that the piles were reaching the designed load capacities.
This included 187 end of initial drive (EOID) PDAs and 187 sevenday
PDA restrikes, where the pile is tested again seven days after
initial installation. To maximize productivity, Cajun provided the
client with a streamlined installation schedule where two rigs
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Call, Fax or Email Inquiries to:
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Brad Ziehe
Phone: 979-830-1300 Fax: 979-830-1301
Email: brad@pipeunlimitedusa.com OR
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would solely install production piles and perform EIOD PDAs,
and the third rig followed closely behind performing the PDA
restrikes spread throughout the 100-acre site. After several months
of gathering consistent PDA data, the client was satisfied with the
reported pile capacities, and decided to finalize the PDA program
after 164 EOIDs and 84 PDA restrikes.
With Cajun’s PCCP operations completely demobilized by the
second week of February, Cajun’s time on the PO/TBA project
was far from up. For the next several months, Cajun managed
multiple pile cutting crews tasked with cutting PCCP to within
the strict 1-inch tolerance. But while Cajun had limited personnel
onsite for the project, there was substantial headway being made
in Cajun’s corporate office in Baton Rouge, La. for additional work
scopes ahead.
In collaboration with Fluor Corporation and Zachry’s engineering
team, Cajun was diligently working on a design-build
cofferdam to support Zachry’s construction efforts for a new
clarifier in the LyondellBasell CVO South Facility. After several
weeks of preliminary design and constructability reviews,
Cajun’s engineered 130-foot by 130-foot cofferdam was ready
LAND: GREATER THAN $5 MILLION
Continued on page 72
70 | ISSUE 3 2020 www.piledrivers.org
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