bids are invited for an annual maintenance contract (non-comprehensive) for utility systems/sub-systems; 1 . coolant system, 25 m long plumbing with water flow switches for interlock chiller: capacity : 10.5 kw make : bluberg (model bwc 9003) plumbing : ~ 25 m long, done in-house flow switches: 3 nos., make: kobold, us 1 set 20182 . ro based lcw system make: yong jin eng. co. ltd, korea two nos. of booster pumps: dooch make: 2 m3/h,23m; softener resin: pentair make polyglass pvc piping, pentair make membrane & filters 1 no. ~20053 . high voltage deck for electron gun make : thales, france interlock: pneumatic type 1 no. 20184 . modulator pfn, hv dc power supply and thyratron cabinet make : developed in-house in four standard 19 inch racks 2 nos. 20145 . metal cutting band saw; make :laxmen drilling cum milling machine; make :vertex 1 no. each 20106 . dry air system for waveguide pressurization, make :anest iwata 1 no. 2012