TOWERS
The towers shall be of following types:-
a) Double circuit (DA, DB, DC & DD type) of HVPN’s KRR Design for both 0.4sq” ACSR Zebra and 0.2sq” ACSR Panther.
b) Single Circuit (A, B,C & D ) of 0.4sq” ACSR Zebra to be designed by the Bidder.
The towers are of self supporting lattice steel type, designed to carry the line conductors with necessary insulators, earthwire and all fittings under all loading conditions.
The tower shall be fully galvanized structure.
New Design 132kV S/C towers and 132kV D/C KRR Design towers to be fabricated shall have a combination of two grades of steel, as detailed in structural drawings/bill of material. One is MS steel and other is HT steel conforming to IS:2062.
The towers are classified as given below for 132 KV lines.
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