Tender For supply of aluminium alloy wall support extension ladder close height 24 feet, extension height 45 feet made of high tensile aluminium alloy with c section 67x31x3.5 mm thickness confirming to he - 30 grade t-6 temper as per is: 733 of hindalco make steel, made of no slip aluminium alloy, corrugated fluted pipe of 28x3 mm dia. steps to be rivetted at 305mm interval, with aluminium lm-6 catcher to lock ladder at every rung, nylon rope and pulley, rubber shoes at the bottom safety, additional ms guide pipe mixed inside the ladder at 1 meter interval for stability of ladder, ladder fabricated by expanding and flaring runs with stiles of the ladder for 100% twist proof and unbreakable performance
Tender For corrigendum : supply of aluminium alloy wall support extension ladder close height 24 feet, extension height 45 feet made of high tensile aluminium alloy with c section 67x31x3.5 mm thickness confirming to he - 30 grade t-6 temper as per is: 733 of hindalco make steel, made of no slip aluminium alloy, corrugated fluted pipe of 28x3 mm dia. steps to be rivetted at 305mm interval, with aluminium lm-6 catcher to lock ladder at every rung, nylon rope and pulley, rubber shoes at the bottom safety, additional ms guide pipe mixed inside the ladder at 1 meter interval for stability of ladder, ladder fabricated by expanding and flaring runs with stiles of the ladder for 100% twist proof and unbreakable performance
Tender For design, supply, erection, testing and commissioning for ohe upgradation of existing 1x25kv system to 2x25kv at feeding system with feeder and earthing works in potkapalli - ramagundam(excl) section of secunderabad division under south central railway, total 44 rkm/ 132 tkm