Cofferdam definition

Cofferdam means a structure constructed entirely or in part below water level or below the level of the water table in the ground and intended to provide a place for work that is free of water;

Cofferdam means a watertight temporary structure in a river, lake, etc., for keeping the water from an enclosed area that has been pumped dry so that bridge foundations, dams, etc., may be constructed.

Cofferdam means a structure placed into a flowing stream in order to prevent downstream flow into a designated work area.

Examples of Cofferdam in a sentence

• Cofferdam designs shall be submitted to the Contract Administrator for approval before construction.

• Tunnel Laborer (without air),Caisson, Cofferdam (below 25 feet deep), Air Track and Wagon Drill, Sandblaster Nozzle Person, Hazardous Waste (level B), ***Lead Abatement, Hazardous Waste (level C) ***Includes the erecting of structures for the removal, including the encapsulation and containment of Lead abatement process.

• A Cofferdam shall be defined as a temporary structure, consisting of engineered components, designed to isolate the work area from water to enable construction under dry conditions based on either the Estimated Water Surface Elevation (EWSE) or Cofferdam Design Water Elevation (CDWE) shown on the contract plans as specified below.

• Submit Engineered Drawings for all alternate Cofferdam and Excavation Bracing designs.

• Cofferdam and sheet pile that is left in place shall be cut off at the elevation shown on the plans and shall be a minimum of one foot below the stream bottom.

More Definitions of Cofferdam

Cofferdam means a temporary structure in a river, lake, or other waterway for keeping the water from an enclosed area that has been pumped dry so that bridge foundations, pipelines, etc., may be constructed.

Cofferdam means a structure constructed entirely or partially below water level or below the level of the groundwater table and intended to provide a work place that is free of water;

Cofferdam means a structure placed into a flowing stream in order to prevent downstream flow into a designated work area. “Coho planning watershed” means all CalWater 2.2 Planning Watersheds where the Department has documented coho salmon (Oncorhynchus kisutch) to be present.

Cofferdam means the isolating space between two adjacent steel bulkheads or decks, which could be a void space or a ballast space.

Cofferdam means an enclosure from which water can be pumped to expose the bottom of a body ofwater or a barrier constructed to divert the flow of water to allow construction work.

Cofferdam means a watertight temporary structure in a river, lake, etc., for keeping the water from an enclosed area

Cofferdam means a temporary wall structure erected for the purpose of excluding water from a workplace which is normally under water;