PPT-COFFERDAM
Author : giovanna-bartolotta | Published Date : 2017-09-28
INTRODUCTION The word cofferdam comes from coffer meaning box in other words a dam in the shape of a box Cofferdams are temporary enclosures to keep out water and
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COFFERDAM: Transcript
INTRODUCTION The word cofferdam comes from coffer meaning box in other words a dam in the shape of a box Cofferdams are temporary enclosures to keep out water and soil so as to permit dewatering and construction of the permanent structure in the dry. CODE 803 803 1 Source KaneDuPage Soil and Water Conservation District DEFINITION A cofferdam is a temporary structure within a waterway or body of water designed to provide a dry work area for temporary construction activities and contain disturbed brPage 1br Build a Cofferdam Materials Deep pan or tray Sand Gravel Water 2 liter bottle 20 oz bottle Pipette Scissors Ruler Small bowl Directions brPage 2br Background Information March 17 th , 2015 Cofferdam Design and Construction Overview MDOT Perspective Presentation OverviewCofferdam OverviewMDOT SpecificationsContractor Submittal of Calculations and DrawingsBasics of Desi Cofferdam cofferdamcan be defined as “A watertight construction designed to facilitate construction projects in areas which are normally submerged”, such as bridges and piers.A cofferdam is 2Auburn Cofferdam Breached during event that exceeded design flood. 3 No spillway provided; dam was overfilled due to operational issues 4Gibson Dam Concrete dam successfully overtopped. Delhi Dam5 Li Cofferdam ProtectionUSS Yorktown 2 Table of ContentsEXECUTIVE SUMMARY 4HISTORICAL CONTEXT 4PURPOSE OF STUDY 5STUDY ALTERNATIVES 54.APORTABLE COFFERDAM 74.BTEMPORARY SHEET PILECOFFERDAM: SECTIONALAND
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