While analyzing indeterminate structures, it is necessary to satisfy (force) equilibrium, (displacement) compatibility and force-displacement relationships. Force equilibrium is satisfied when the reactive forces hold the structure in stable equilibrium, as the structure is subjected to external loads. Displacement compatibility is satisfied when the various segments of the

It is a frame structure single storey unit & includes areas for various purposes, such as transformer generator space. Ultimate Strength Design (USD) or Load and Resistance Factors Design (LRFD) method is used for structural design of all the components. The concrete used for all structural members should have a minimum 28 days cylinder crushing strength of 3,000 Psi.

A back-sight is a reading taken on a position of known coordinate(s). Since a survey progresses from a point of known position to points of unknown position, a back sight is a reading looking "backward" along the line of progress. The first reading of almost any survey job should be a back-sight onto a fixed point of reference, usually a benchmark of some sort.

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A measure which indicates how closely the coordinates of a point in Ordnance Survey map data agree with the true National Grid coordinates of the same point on the ground. As the true position can never be known exactly, the statistic is quoted relative to the best known position determined by precise survey methods. A coordinate pair or triplate measured directly from