FOR ALL
YOUR MARINE
CONSTRUCTION NEEDS
BUILD – TRANSPORT
DREDGE – DRIVE
www.cormanmarine.com │ 410.424.1870
APF Jet Filter
Weep Hole
Filtration System
Model JF-50000
Timber Uplift
Connector Galvanized
Model TC-7612
Provides tension
capacity of 12 tons
Box 1264 Clifton, NJ 07012-1264
Tel. 973-773-8400/800-526-9047 / Fax. 973-773-8442
Email: apf@associatedpile.com Website: www.associatedpile.com
during the pile installation. Halfway down the dock, the engineers
observed lateral movement towards the water – about two inches.
It was concluded that the vibratory hammer was causing too much
vibration once the pipe reached the dense sands. P&H’s suggestion
was to set the pipe and sheet pile with the vibratory hammer in the
upper loose soil layers. Once we reached the tighter soils, we would
stop and drive the pipe to grade using a Vulcan 8/0 air hammer
and the sheet pile with a D-19 diesel hammer. Once this method
was utilized, there were no more issues with movement of the dock.
Meeting the challenges of a difficult job
We knew from the onset that this was going to be a challenging
project. Not only were we installing a combi-wall adjacent to the
failing dock, we had to determine how to place the backfill under
MARINE: $500,000 TO $2 MILLION
The first pile driven for the job in October 2015 Halfway through the crushed stone
108 | ISSUE 4 2017
/www.cormanmarine.com
/www.associatedpile.com
link