tender for replacement of different spares and rectification of ejector pipe line of gaseous chlorination system (evoqua make) at cwph of marar piped water supply schemeunder bankura mechanical division,phe dte - checking the entire gas chlorination system at marar cwph and fault finding by expart technicial. 2 supply and delivery of the follwing materials at site:- 3 wallace & triman (evoqua) make- s10k scale controller,. scale, controller, 0-4.0 kg/hr. scale, manual control 4 ¾’’ injector, capacity, for 40psi back pressure (make – wallace & triman evoqua) 5 15 mm nb-cs sch-80 astmas a-106 gr. b chlorine gas pipe 6 15mm x ¾” npt-cs sch-80 astmas a-106 gr. b cs adopter 7 header valve (isolation valve). 8 25 mm union-type ball-valve. make: supreme 9 25mm upvc nrv. ashiruad / supreme 10 16 mm union-type ball-valve. make: supreme/ty 11 16mm sch-40 upvc pipe. make: supreme/astral/ ashiruad astmd-1785 12 16 mm sch-80 upvc fta. (brass) make: supreme/astral/ ashiruad astmd-1785 13 fitting fixing of the above new supplied spares on the existing position part by part with new ejector pipe line with necessary fitting materials and necessary welding job by expert mechanical complete the job as per direction of eic and as per is:10553