supply installation testing trial run and commissioning of vertical axial flow pump sets in upper kuttanadu region of pathanamthitta district and r block kayal padasekharam in alappuzha district , supply erection, testing and commissioning of vertical axial flow pump setfor upper kuttanadu region of pathanamthitta district and r block kayal padasekharam in alappuzha districtsuitable for handling saline and silty water with rpm 960 (syn) or less. the material of construction of flange, suction bell, bowl, shroud shall be ci with 2% nickel, impeller, shaft, shaft sleeve, fastener sand suction pipe shall be of ss 304. delivery pipe should be in ss 304 with minimum thickness 5 mm and of suitable length (varies from 2-10 m) or as per site condition. the prime mower of the pump is to be 3 phase tefc squirrel cage induction motor with isi certification operating at 415v +/- 10%, 50 hz +/- 5% connection with f class insulation, 10 mm 3 core water proof copper power cable, 10 m or as per site condition. cubicle type fully wired panel board with all necessary protection units and instrumentation. fully automatic star-delta starter of reputed make, mccb, led indicators, selector switch, single phase dry running preventer, suitable capacitor, main switch with isi mark, ammeter, volt meter, change over switch,vss indicating lamps, ryb 32x415 v fuse, hrc fuse, elcb, spp fuse neutral link, wiring and earthing as per regulations and specifications of kseb and electrical inspectorate. a screen with 6mm gi welded mesh with 50mm x 50mm opening size (about 20 sq.m area) framed in gi angles and gi tubes fitted at the opening on top and sides of sump to prevent entry of unwanted materials to the pump through inflow water. proper i - section should be provided for supporting the motor mountings and pedestal. suitable chain block and tripod facilities to be provided for lifting the motor at least 1.00 m above maximum flood level. but excluding gst , minimum discharge atduty point head (lps): 700 duty point head (m): 2.0 working head range (m): 0.5-4.0 available power allocation (hp): 50 overall efficiency at duty point head (%): 70 , minimum discharge atduty point head (lps): 400 duty point head (m): 2.0 working head range (m): 0.5-4.0 available power allocation (hp): 30 overall efficiency at duty point head (%): 70 , minimum discharge atduty point head (lps): 250 duty point head (m): 2.0 working head range (m): 0.5-4.0 available power allocation (hp): 20 overall efficiency at duty point head (%): 70 , minimum discharge atduty point head (lps): 150 duty point head (m): 3.0 working head range (m): 0.5-4.0 available power allocation (hp): 30 overall efficiency at duty point head (%): 70