IS 5613 : Part 2 : Sec 1 : 1985 Code of practice for design, installation and maintenance of overhead power lines: Part 2 Lines above 11 kV and upto and including 220 kV, Section 1 Design

1 Scope

1.1 This code (Part 2/Sec 1) covers design of overhead powerlines above 11 kV and up to and including 220 kV.

1.2 This code does not cover switching control, relayprotection, coordination with telecommunicateion lines and radiointerference.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 585 :1962Specification for voltages and frequency for actransmission and distribution systems

IS 802 : Part 1 : 1977 Code of practicefor use of structural steel inoverhead transmission line towers:Part 1 Loads and permissible stresses

IS 802 : Part 2 :1978 Code of practice for use ofstructural steel inoverhead transmission line towers:Part 2 Fabrication, galvanizing, inspection andpacking

IS 802 : Part 3 :1978 Code of practice for use ofstructural steel inoverhead transmission line towers:Part 3 Testing

IS 1367 :1967Technical supply conditions for threadedfasteners

IS 1367 : Part 13 :1983 Technical supply condition for threadedsteelfasteners:Part 13 Hot-dip galvanized coatings on threadedfasteners

IS 1573 :1970Electroplated coatings for zinc on iron andsteel

IS 1885 : Part 32 :1971 Electrotechnical vocabulary:Part 32 Overhead transmission and distributionof electrical energy

IS 2016 :1967Specification for plain washers

IS 2165 : Part 1 :1977 Insulation Co-ordination:Part 1 Phase-to-earth insulation co-ordination

IS 2165 : Part 2 :1983 Insulation Co-ordinationPart 2 Phase-to-phase insulation co-ordinationprinciples and rules

IS 2551 :1983Danger notice plates

IS 2633 : 1972Methods of testing uniformity of coating onzinc coated articles

IS 3063 :1972Specification for single coil, rectangularsection spring washers for bolts, nuts andscrews

IS 3716 :1978Application guide for insulation co-ordination

IS 4091 :1979Code of practice for design and construction offoundations for transmission line towers andpoles

IS 4759 :1979Specification for hot-dip zinc coating onstructural steel and other allied products

IS 6610 :1972Specification for heavy washers for steelstructures

IS 6639 :1972Specification for hexagon bolts for steelstructures