tender for annual repair and maintenance of lwss dhalliara in tehsil dehra distt. kangra (hp)(sh:- providing and supplying of submersible pumping machinery); 1 supply of submersible pumping set of make lubi/saber/ksb/bs/crompton confirming to bis : 8234-1979/5659-1979 ( latest) suitable for lifting clear, cold and fresh water fitted with bronze impellers or suitable allow directly coupled to squirrel cage electric induction motor of same make as that of pump confirming to bis: 9283-1979 ( latest with upto date ammendments) and totally water proof for submersible duty, isolated from the pump by intermediate casing with double mechanical seal in oil chamber, grease packed lubricated bearings and provided with stainless steel thrust bearing platge to with stand non vertical loads with minimum wear and tear. it should also be fitted with a device to take up; expension of water with the heating of motor including water level guard, errection clamps, cable clips and depth guage etc. the pump shall be suitable for operation on data given below:- 2 a site conditions:- i) location of site:- 26 km from ranital railway stationii) the altitude of installation=altitude of place is 500 mtr. iii type of current= ac three phase supply with frequenty of iv) rate voltage= 415 v +/- 10%vtype of water and its source= clear water vi) charactristics of water temperature dig 20 cph 7 to 8 turbidity 50 ntutotal solid -- mg/litre hardness ----mg/ltrs( as ca co3)vii)depth of t/well assemblymtr.bgl.viii) lwl in well / tubewell -------mtr.ix)maximum draw down -----mtr. x) centre level of pump mtr. xi)discharge level of highes point=mtr.xi) no of pumps required1 no pump setxiii) cacpacity =3.5 lps for each pumpxiv)total head in mtr.= 90 mtr.xv)lenth of r/main = 380 mtr.xvi) dia of r/main = 80 mm diaxvi) pumping hours per day = 16 hours xviii) limit of pump operation= (-)15%(+) 10% of total headxix) hp of motor/drive unit head or=required bhp of pump at (+)20% &(-)15% of total bhp with followingmargins/multiplying factor at duty point, whichever is higher a) upto 2 hp=1.5b) 2 to5hp=1.4c) 10 to20hp=1.2d) 20to100hp1.15 xx) rpm of pumping set=2900rpm xxi) test run= 8 hours contineously for 7 days.