SERVICING MAINTENANCE OF CHLORINE AGITATORS FLOCCULATORS AND CLARIFIER SYSTEM AND ALLIED WORKS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE(I) DM VISAKHAPATNAM

Weekly maintenance & repair including breakdown repair as required of mechanical actuated diaphram metering chemcial dozing pump, model - GB-401/402, Make- Milton Roy complete with 3 ph/1ph, 0.37 kw motor, by checking oil level in drive compartment, topping of OEM recommended oil ( Grade- Bharat Hydrol 220), and replacement of complete oil at interval of 90 days (appx qty - 01 Ltr), complete cleaning all external surface, checking of all inlet/ output UPVC pipe connection for any liquid leakage and rectification, complete cleaning of pump flow circuit from suction to delivery point with clean water and rectification of any liquid leakage, cleaning of Y- strainer, dismantling/ opening of pump and complete cleaning/ removing any sediment and replacing required item complete all as specified and directed. Total dozing pump - 04 set at filter bed.

Weekly maintenance & repair including breakdown repair as required of mechanical actuated diaphram metering chemcial dozing pump, model - GB-402, Make- Milton Roy complete with 3 ph/1ph, 0.37 kw motor, by checking oil level in drive compartment, topping of OEM recommended oil ( Grade- Bharat Hydrol 220), and replacement of complete oil at interval of 90 days (appx qty - 01 Ltr), complete cleaning all external surface, checking of all inlet/ output UPVC pipe connection for any liquid leakage and rectification, complete cleaning of pump flow circuit from suction to delivery point with clean water and rectification of any liquid leakage, cleaning of Y- strainer, dismantling/ opening of pump and complete cleaning/ removing any sediment and replacing required item complete all as specified and directed. Total dozing pump - 02 set at near low lift.

(Note:(i) If dozing pump is found non- functional more than 03 hours, recovery shall be made @ twice the quoted rate for every hour of non - functional period.(ii) spares will be measured and paid separately)(iii) Quoted rate will include transportation cost if repair is carried out by taking out pump to civil workshop

Weekly maintenance & repair including breadown repair as require of chlorine mixing agitator 3ph/1ph motor 3.75 kw, Make- CG, by removing motor from base, cleaning/ greasing rorating gears, chekcing for any defects in gear system and rectification by replacing required item, cleanding of rod nd blade, checking for any damaged to rod and blade and replacing required item, checking serviceability of level indicator and rectify by replacing required item, cleaning of complete agiator FRP chamber by removing all sludge and cleaning with clean water, cleaning of outside are around agitator chamber and pump complete all as specified and directed. Total agitator-01No. Note : if agitator is found non-funcitonal more than 03 hours, recovery shall be made @ twice the quoted rate for every hour of non- functional period

Weekly maintenance & repair including breadown repair as require of Alum mixing agitator 3ph/1ph motor 1.11 kw, Make- CG, by removing motor from base, cleaning/ greasing rorating gears, chekcing for any defects in gear system and rectification by replacing required item, cleanding of rod nd blade, checking for any damaged to rod and blade and replacing required item, checking serviceability of level indicator and rectify by replacing required item, cleaning of complete agiator FRP chamber by removing all sludge and cleaning with clean water, cleaning of outside are around agitator chamber and pump complete all as specified and directed. Total agitator-01No. Note: if agitator is found non-functional more than 03 hours, recovery shall be made @ twice the quoted rate for every hour of non- functional period.

Weekly maintenance & repair including breadown repair as require of Alum mixing agitator in Tank1 and Tank 2 3ph/1ph motor 1.5 kw, Make- CG, by removing motor from base, cleaning/ greasing rorating gears, chekcing for any defects in gear system and rectification by replacing required item, cleanding of rod nd blade, checking for any damaged to rod and blade and replacing required item, checking serviceability of level indicator and rectify by replacing required item, cleaning of complete agiator FRP chamber by removing all sludge and cleaning with clean water, cleaning of outside are around agitator chamber and pump complete all as specified and directed. Total agitator-02Nos Note: if agitator is found non-funcitonal more than 03 hours, recovery shall be made @ twice the quoted rate for every hour of non- functional period.

Weekly maintenance & repair including breadown repair as require of Clarifier flocculator 3ph/1ph motor 3.75 kw, Make- CG, by removing motor from base, cleaning/ greasing rorating gears, chekcing for any defects in gear system and rectification by replacing required item, cleanding of rod nd blade, checking for any damaged to rod and blade and replacing required item, checking serviceability of level indicator and rectify by replacing required item, cleaning of complete agiator FRP chamber by removing all sludge and cleaning with clean water, cleaning of outside are around agitator chamber and pump complete all as specified and directed. Total agitator-01Nos Note: if agitator is found non-funcitonal more than 03 hours, recovery shall be made @ twice the quoted rate for every hour of non- functional period

Weekly maintenance & repair including breadown repair as require of Clarifier flocculator 3ph/1ph motor 0.375 kw, Make- CG, by removing motor from base, cleaning/ greasing rorating gears, chekcing for any defects in gear system and rectification by replacing required item, cleanding of rod nd blade, checking for any damaged to rod and blade and replacing required item, checking serviceability of level indicator and rectify by replacing required item, cleaning of complete agiator FRP chamber by removing all sludge and cleaning with clean water, cleaning of outside are around agitator chamber and pump complete all as specified and directed. Total agitator-04Nos Note: if agitator is found non-funcitonal more than 03 hours, recovery shall be made @ twice the quoted rate for every hour of non- functional period

M&L for rewinding of Motor upto 3.75kw after dismatling taking out from pump set base, transportation to civil workshop outside ND(V), opening of complete motor, dismatling stator/rotor, rewinding the complete stator of motor with existing size of super enameled copper wire as per existing turn, heating, vernishing, replacement of both end bearing, Connecton plate, Connection terminals with new copper lugs for all 06 terminal, re-assemble, transport back to ND (V), reinstall at pump base, connection with pump coupling, making proper alignment , testing for satisfactory run complete all as specified and directed . Motor Make- Kirloskar

All as per item No. 09 above, but of size 0.37kw