allowed Chesterfield’s crews to work two shifts for most of the
project, aiding in keeping as close as possible to a very tight
construction schedule.
Additional challenges resulted from needing to construct both
sides of the pier sequentially due to the fact that one side of the
pier held up the opposing side with hot-dipped galvanized double
channel wales and 2.5-inch high-strength threaded bars. The
installation of the structural exterior wales and tie rods had to be
coordinated around mid-tide and lower tide conditions due to Port
Jef ferson tides that run six to seven feet in range. During some of
the storms encountered during the construction period, the entire
pier was submerged, putting a temporary halt to construction. The
project crew experienced four “nor’easters” in the month of March
2018 alone, and the winter of 2017-2018 was a very snowy season,
as well. The existing pier structure(s) were up to 100 years old or
more. We encountered varied existing construction, including
steel, timber sheet piling and timber cribbing.
Unfortunately, some of this old construction conflicted with the
new construction, which occasionally necessitated dive crews to
help move obstructions from the line of the new SSP bulkheading.
PROJECT SPOTLIGHT
Early stages beginning at the north end of the pier
88-foot and 90-foot SSP stagger stacked, ready for installation
Steel cap installation on west flanking bulkhead at landward end of pier
Bulkhead progressing in same location as previous bulkhead along the
west side of the pier
Fifty-foot SSP being hoisted into place for the east flanking bulkhead
98 | EDITION 6 2019 www.piledrivers.org
/www.piledrivers.org
