cofferdam

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  • noun

Synonyms for cofferdam

large watertight chamber used for construction under water

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References in periodicals archive ?
The north and south pylon foundations were completed in early August and the concrete pour for the central cofferdam foundations will take place this autumn.
Two unique aspects of the project included the use of the movable cofferdams and the application of a marine coat that could cure in wet conditions.
In some cases, cofferdams were constructed to facilitate the extrication process and were made from plastic trashcans, plywood, rigid stretchers, fence posts, and even a circular portion of a hog feeder.
River diversion is carried out by a two-phase approach: First, the right river channel is closed using upstream and downstream cofferdams to construct concrete structures.
Booms and oil skimmers were being used to contain the spill, which was mostly concentrated in one narrow arm of the lake, and three cofferdams were built to prevent any more oil from pouring into the lake, officials said.
The cofferdams were constructed on a river barge and then launched from the barge into place around the piers.
Clean upland fill was used to construct cofferdams upstream and downstream of the right of way.
Unique Sliplining, Cofferdams Provide Solutions To Siphon Repairs
Underground construction, caissons, cofferdams, and compressed air
Work will include general services for ship, clean and gas free tanks void and cofferdams and spaces, number seven port and starboard cargo tanks preservation, number two center cargo tank preservation, number ten center cargo tank preservation, close survey inspection, main deck overhead preservation, main house preservation, main engine exhaust insulation replacement, lifeboat repair and maintenance, reefer container installation and underwater hull preservation.
Holding it all up WATERTIGHT structures called cofferdams are being built to allow foundations to be laid for the three pylons that will support the main bridge.
Making this more difficult are the wide variety of geomembranes and geosynthetics available on the market today, suitable to applications ranging from drains for ground maintenance, pavement applications, landscaping, cofferdams, construction dewatering, construction access roads, inverted filters, and the simple sandbag.
PEKyN (CyHAN)- Inadequate cofferdams, illegal construction and poor supervision resulted in the bridge pier collapse which killed 11 people in southwest China's Chongqing Municipality in mid-October, local authorities said on Thursday.
In some cases, cofferdams were constructed to facilitate the extrication process and were made from plastic trash cans, plywood, rigid stretchers, fence posts, and even a circular portion of a hog feeder.
Scope of work will also include construction of cofferdams, de-watering, re-watering upon completion of the new culvert structures, removal of the cofferdams, and installation of new rip-rap at the culvert locations.