Scope of Services
1.1 The scope of work shall include the following works for the shifting of 2 nos. 95MVA Generator step up transformers :
a. Isolated Phase Bus Duct (IPBD) sizing calculation including Temperature rise calculation, Forces on Busbar Insulator, Location & Span of busbar, Forces on Bus duct support.
b. Structural drawing of 132kV Gantry for 2 Nos. of 95MVA transformers located side by side.
c. Design calculations for Sag & Tension and Short circuit force acting on the 132kV Gantry.
d. Structural design calculations of the following :
i. 132kV Gantry tower and Beam.
ii. 10.5kV IPBD structural supports.
e. Electrical Layout plan & elevation of the IPBD and Transformer yard.
f. Structural GA drawing of IPBD supports (different types, lattice).
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