|A flow net for flow around a single row of sheet piles in a permeable soil layer is shown in the following figure. The water level rose to 5.4 m above the ground surface in the peizometer installed at point a. Given that k= k = k= 4.5 x 103 cm/sec, determine i) Depth of upstream water level, H1 ii) How high (above the ground surface) the water will rise if piezometers are placed at points b and c iii) The total rate of seepage through the permeable layer per unit length iv) The approximate average hydraulic gradient at c Water level H1 Water table 1.9 Ground surface Flow channel 1 = 1 Flow channel 2 = 1 1 Flow channel 3 0.38 Scale

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Q: 1=10 ft, and 3X104 ft/sec. LI

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Q: Question: A flow net for flow around a single row of sheet piles in a permeable soil layer is shown…

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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.