3. The figure is a section of a masonry dam resting on a foundation and subjected to water pressure shown. Specific gravity of masonry dam is 2.40. Assume that the path of percolation follows the line contact between the foundation and the masonry and sheet piles. If the drop in the hydraulic gradient is directly proportional to the length of the path of percolation. Determine the moment about point C of the pressure (force) acting on the surface ABC per linear meter of dam. 4.0m OFF F 1 Or Chu 4.0m 2 0m one 1 m

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Measuring site work, Excavation and Piling

Bid drawings typically include very little material about the precise requirements of site work operations, measuring site work and excavation work differs from measuring most other works on a construction project. The actual site work conditions are not provided and also the dimensions of the excavations are not known during the pre-construction phase. The precise measurement of the excavation and backfill of the earth material and topsoil is important for a contractor to decide upon the total cost required for the process. All the works should be carried out under OSHA (Occupational Safety and Health Administration) standards to ensure the safety of the workers.