A steel sheet pile cofferdam has been built around the HMS Alliance, a British submarine launched in 1945. The cofferdam will be infilled to create a safe place to perform restoration work. [Source: New Civil Engineer. Image: NCE]
In Bell Chase, Louisiana, a huge vibratory driver/extractor manufactured by American Piledriving Equipment Inc. was used to extract 54-in diameter pipe piles 140-ft deep. The piles were part of a cofferdam for the largest pumping […]
The North American Steel Sheet Piling Association (NASSPA) has released a Sheet Piling Installation Manual. It has a nice overview of different hammer systems and covers issues such as driving systems and methods, templates, cofferdams, driving corrections, driving assistance and extraction. (Photo courtesy of NASSPA)
NASSPA promotes the use of steel sheet piling through the development and dissemination of technical information. This guide was compiled to assist the designer, contractor, or owner with the construction of steel sheet pile walls.