S t a t e P l a n - 2 0 2 5 - 2 6 - Rehabilitation/Improvement of Urban water supply scheme

OD265380/2025-2026:Supplying and Installing Gravity feed Gas Chlorinator with all safety measures and the following accessories (1)100 Kg Cylinder with connecting pipe between chlorine cylinder and primary filter 4 to 5 feet copper pipe both end connect with brass nut and nipple.(2)Primary filter need from chemically treated PVDF rod which resist 10kg/CM2 pressure.Inside rod MS pipe necessary glass wool shall be filled which will be helpful to arrest possible chlorine impurities with necessary moisture glass tube and PVC nut.(3)Diaphragm type pressure gauge shlla be with Teflon packing having range 0 to 14kg/cm2/0 to 200PSI.(4)Chlorine control valve /needle valve shall be made from brass and having ISI specification,(5)Gas bend pipe shall be of PVC chemically treated 20mm dia pipe to resist 10kg/cm2pressure from primary filter to secondary filter (6) Secondary filter shall be made of chemically treated PVC rod of 36mm dia which resist moisture by having in side glass wool and having glass non returnvalve,PVC moisture nut and moisture glass tube(7) Gas bend having glass non return valve(PVC NRV /Bend) to connect secondary filter and mixing chamber made from m 20mm Pipe (PVC)(8)Mixing chamber is made from 90mm Chemically treaed PVX pipe ,BoroSilicate glass tube of 75mm dia , glass orifice tube.,rubber O ring and rubber bush(9)PVC tee with diaphragm valve for inlet for water and drainage of chlorinated wastage from mixing chamber shall be fixed at bottom of mixing chamber(10)PVC water bend made from chemically treated PVC pipe of 20mm dia and connecting mixing chamber and solutionizer(11)PVC solutionizer made from PVC pipe of 63mm dia bottom - out let connection to join chlorine solution line (12) Panel board from phylum sheet- thickness 7 to 8 mm size of size 90x45cm .All these primary filter , secondary filter ,mixing chamber and solutionizer are mounted on the panel board,including oxygen face Mask, fire extinguisher, exhaust fan,alltest certificate and registration of thechlorine cylinder and filling of chlorine gas at TCC etc complete

OD265381/2025-2026:Supply of gas filled Chlorine Tonners as per specification (Code of construction ASME Section VIII Div 1/2004 including amendments confirming to BS 1500,IS 2825 and IS 646) having water capacity 780 Kg,(approx),Design Pressure 20 Kg/cm²,Inside diameter 760 mm (approx), Shell thickness, 10 mm(minimum),Overall length 2085 mm(approx),Tare weight 620 Kg (approx),Valve outlet 5/8,Thread,14 tpi bsp,Temperature 65 °C,Material specification shell/Head SA516 grade 70,Radiography 100% for all welded seams by X-ray machine, Corrosion allowance 1.6 mm(minimum),Eduction pipe 1/2NB SCH 80,shape of domes concave with chime as per CFR 49 both end inward curved etc including loading, unloading, delivery charges at WTP , Tirurangadi with existing taxes and statutory certificates from concerned govt.departments