A cofferdam is an enclosure built within a body of water to allow the enclosed area to be pumped out or drained. This pumping creates a dry working environment...

wall.) Common uses for cofferdams include the construction and repair of offshore oil platforms. In such cases, the cofferdam is fabricated from sheet...

of debate. The ship lay at the bottom of the harbor until 1911, when a cofferdam was built around it. The hull was patched up until the ship was afloat...

two cofferdams were constructed. Work on the upper cofferdam began in September 1932, even though the river had not yet been diverted. The cofferdams were...

water would begin to be drained from inside the cofferdam. Since construction of such a large, deep cofferdam had not been attempted before, the Corps said...

A cofferdam created to allow for dewatering of an area...

pre-cofferdam. The purpose of the pre-cofferdam is to channel the river through diversion tunnels, ensuring the safe construction of both the cofferdam and...

Upon curing, this placement allows the 50,180-square-foot (4,662 m2) cofferdam to be dewatered approximately 26 feet (7.9 m) below sea level to allow...

east cofferdams. The west cofferdam was 2,000 ft (610 m) long, 50 ft (15 m) thick and was constructed 110 ft (34 m) above the bedrock. The cofferdams allowed...

the water was 3 m deep. The cofferdam later proved to be one of the most difficult aspects of the plan. The cofferdam Kistdam was originally a circle...

Kromfonteinlower (Wilge) Cofferdam is a rockfill type dam located on the Steenkool Spruit, near Witbank, Mpumalanga, South Africa. It was established...

Tunnel No. 3 while Carver continues Simon's challenges. Simon blows up a cofferdam to flood the tunnel, but McClane escapes and reunites with Carver. Surviving...

descended almost vertically, probably rotating as it fell. Empty tanks and cofferdams imploded as it descended, tearing open the structure and folding back...

cables hang from towers that are attached to caissons or cofferdams. The caissons or cofferdams are implanted deep into the bed of the lake, river or sea...

Kromfontein Middle Cofferdam is an earthfill type dam located on the Steenkool Spruit, near Witbank, Mpumalanga, South Africa. It was established in 1990...

American River through a tunnel and the construction of a massive earthen cofferdam. Following a nearby earthquake and the discovery of an unrelated seismic...

maintenance purposes. The opening was protected by a cofferdam approximately 3 feet (0.91 m) high. The cofferdam was intended to prevent water from accidentally...

Brown and Wright. The initial main work was construction of a large cofferdam surrounding the worksite. The dam was constructed of three rows of wooden...

towards the stern of a small-decked vessel that houses the rudder controls. cofferdam An insulating space between two watertight bulkheads or decks within a...

penetrated the cofferdam and exploded. Therefore, the IJN thought it prudent to fill the empty spaces between the tanks and the cofferdam with 2,400 metric...

purposes starting in 1774. The modern embankment may be constructed within a cofferdam: two parallel steel sheet pile or concrete retaining walls, anchored to...

1970, a cofferdam was built upstream from the construction site to hold back Mississippi River waters. Due to a structural inadequacy, the cofferdam washed...

the surface. This watertight extension is a cofferdam. Although they are temporary structures, cofferdams have to be strongly built, heavily stiffened...

for raising the ship were discarded, including the construction of a cofferdam around the wreck site, filling the ship with small buoyant objects (such...

A cofferdam is a small space left open between two bulkheads, to give protection from heat, fire, or collision. Tankers generally have cofferdams forward...

beach accesses to construct requiring use of a quick-drying concrete or a cofferdam to protect them from tidal water during the concrete curing process. Concrete...

cargo valves operable from the deck, cargo main piping, a vapor line, cofferdams for added safety, and the ability to fill a ballast tank with seawater...

then playing a blowtorch over the intake valve. McNish constructed a cofferdam in the shaft tunnel to seal off the damaged stern area while the crew...

mobile barge-mounted engineering caisson used in the Port of Gibraltar Cofferdam – Barrier allowing liquid to be pumped out of an enclosed area, a temporary...

cofferdams, which are enclosures build to pump water out of an area. The base for the foundation of the bridge would be put in this area. Cofferdams were...