IS 802 : Part 1 : Sec 1 : 2015 : Use of Structural Steel in Overhead Transmission Line Towers - Code of Practice Part 1 Materials, Loads and Design Strengths Section 1 Materials and Loads

Reaffirmed 2020

1 SCOPE

1.1 This standard (Part 1/Sec 1) stipulates materials and loads to be adopted in the design of self-supporting steel lattice towers (using angles/circular hollow sections) for overhead transmission lines.

1.2 Design strengths and other design parameters are covered in IS 802 (Part 1/ Sec 2).

1.3 Provisions on fabrication including galvanizing, inspection and packing, etc, and testing of transmission line towers have been covered in IS 802 (Part 2) and IS 802 (Part 3), respectively.

1.4 Provisions for loads and design strengths for latticed switch yard structures are covered in IS 802 (Part 4) (under preparation).

1.5 Provisions for loads and design strengths for tall river crossing towers shall be covered in a separate standard (under formulation).

1.6 This standard does not cover guyed towers.

2 REFERENCES

The standards listed in Annex A contains provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standard indicated at Annex A.