construction of 132 kv dc baliyapur - tundi transmission line (38 km) on turnkey basis design, engineering, supply of materials/ equipments, erection, testing and commissioning of 132 kv dc baliyapur - tundi transmission line (38 km) on turnkey basis-earthwire size 1.0 raw materials 1.1 steel wires / rods a) carbon b) manganese c) phosphorous d) sulphur e) silicon 1.2 zinc a) minimum purity of zinc 2.0 steel strands 2.1 diameter a) nominal b) maximum c) minimum 2.2. minimum breaking load of strand a) after stranding 2.3 galvanizing a) minimum weight of zinc coating earthwire size per sq.m. after stranding b) minimum number of dips that the galvanized strand can withstand in the standard preece test c) minimum number of twists in a gauge length equal to 100 times diameter of wire which the strand can withstand in the torsion test, after stranding 3.0 stranded earth wire 3.1 stranding (a) steel core (b) outer layer 3.2 overall diameter 3.3 total sectional area 3.3 uts of earth wire 3.4 lay length of outer steel layer a) standard b) maximum c) minimum 3.5 maximum dc resistance of earth wire at 200 c 3.6 standard length of earth wire 3.7 tolerance on standard length 3.8 direction of lay for outside layer 3.9 linear mass a) standard b) maximum c) minimum