An all welded vertical cylindrical tank 24m in diameter by 15m high is designed for storage of molasses(SG=1.5).Determine the minimum thickness of the shell plate if the allowable stress of the plate is 140MPA and the welding efficiency was 80%. Allow 1.6m free board for air space in the tank. Round off your answer to whole number.

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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.