Supply of bamboo ladder 20 feet long, approx 3.00 to 2.5 dia at the bottom end, 2.5 to 2.6 at the top of the cross pieces ie 16 mm steps should be at a distance of 17 (approx.) and bamboo ladder should be tighten with g.i. wire of 16 swg.

Supply of submersible pump set isi mark v-8 type 25 h.p. 1700 lpm discharge, 45 m head. 2900 rpm with double lead of pvc flat cable 3 core 6 sq mm in 5 m. length, 3 phase, 415 volt 50 hz. at central store, tubewell division, roorkee.