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Chapter: Transmission and Distribution : Mechanical Design of Lines and Grounding

Towers and Type of Towers - Mechanical Design of Lines and Grounding

1. General Description of the Tower 2. TYPE OF TOWERS

TOWERS

 

1. General Description of the Tower

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.

 

 

2. TYPE OF TOWERS

 

The towers are classified as given below for 132 KV lines.

 





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Transmission and Distribution : Mechanical Design of Lines and Grounding : Towers and Type of Towers - Mechanical Design of Lines and Grounding |


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