annual maintenance contract ( 2020-22 ) of electrical & mechanical installations at gagan, bangalore. , sub head-1 , job contract for round the clock operation and maintenance of electrical & mechanical installations at gagan , bangalore with min . man power , as per the deployment mentioned in the special conditions of contract , detailed scope of work , and aai requirement on all days including sundays and holidays etc . complete as required . , sub head-ii painting of panel , poles and fire hydrant boxes , rewinding , painting of electrical lt indoor , outdoor panels , fire hydrant boxes , exposed fire hydrant pipe line , diesel pipe line , exposed water , pumps , earth pit covers etc located in powerhouse , ac plant , switch rooms , fire pump room , pump room etc . , with one or more coats of spray painting with synthatic enamel paint of approved brand and manufacturer to give an even shade , including cleaning of surface with detergent etc , of required color to give an even shade complete as required . , painting of street light poles of 7 . 5 mtr height and approx with one or more coats of spray painting with synthatic enamel paint of approved brand and manufacturer to give an even shade , including cleaning of surface with detergent etc , of required color to give an even shade complete as required . , following servicing of of kirloskar primo , mc . no . u26aa39-11l-235 , 3 . 7kw , 1430 rpm , 7 . 5a , 400v pump , motor etc as and when required including removing and fixing of motor etc . as required . , rewinding of motor , servicing of pumps including replacement of all associated accessories like bearing , shaft work etc complete as required . , following servicing of submersible 7 . 5 hp bore well motor , pump etc as and when required including lifting of bore well motor pump and lowering after servicing etc as required , rewinding of submersible motor , servicing of pumps including replacement of all associated accessories like bearing , shaft work etc complete as required . , lifting of borewell motor pump and reinstallation by lowering pump etc . as required . , sub head-iii : supply of spares as and when required , fuses , supply of cyllindrical type of 2 amps hrc fuses suitable for operation on 230 volts , 50 hz , ac system as requireds . ( as per sample or equivalent ) , supply of following rating hrc fuses suitable for operation on 230 volts , 50 hz , ac system as required . ( as per sample or equivalent ) , 4 amps , 10 amps , switch , socket , pvc boxes & plates , 5 / 6 / 10 amps one way switch , 15 / 16 / 20amps one switch , 5 / 6 / 10 amps socket , 15 / 16 / 20 amps socket , 6 module pvc box , 12 module pvc box , 6 module pvc plate , 12 module pvc plate , supplying of following sizes isi marked pvc insulated , single core , frls grade strandard copper cables of 1100 volts grade confirming to relevant is of standard length etc as required , 1 . 5 sq . mm ( 90mtr roll ) , 2 . 5 sq . mm ( 90mtr roll ) , 4 . 0 sq . mm ( 90mtr roll ) , 6 . 0 sq . mm ( 90mtr roll ) , 25 x 15mm casing capping , supply of dol starter suitable for 7 . 5hp relay range 13-22a , sh-iv annual maintenance of water purifier , all inclusive comprehensive maintenance for 24 months through manufacturers / authorized service dealers / water purifier agencies of following capacity ro purifier inlusive of adding antiscalant chemicals to avoid scaling of pipelines and when required replacement of prefilter cattridge once in three months , any other components such as membrane or any kind of filter complete , maintaining the required taste and required tds level ( 30 to 120 ) and including providing test reports for the same , etc complete as required . , 50lph , 15 lph , sh-v dsr item , execution of items under cpwd dsr-2019 as and when required for approximate lumpsum amount of rs 100000 / - .