operation and maintenance of samprity flyover from zinjira bazar to bata more to provide uninterrupted glow of street lighting including s f required spares , attending / inspection of street light points every morning and evening to ensure uninterrupted glowing of points including switching on / off operation , restoration of faults , repairing and replacement of spares ( to be supplied separately ) and temporary catenaries wire connection as and when required as per direction of eic and necessary activities as per technical specification . 125 w led luminaries . , hire charge of tower wagon car including fuel & driver for restoration work as and when required . , hire charges of required size of ladder for restoration work as and when required . , supply and delivery of spares as per requirement at site i . e . for samprity fly over as per direction of eic . the cost shall be as per annexure enclosed with the tender and as per schedule of rates of electrical works cmda ( part-i , april 92-93 ) with amendments by e&m sector , cmda and as per rate approved by the approving authority time to time as per requirements and dismantling of pole , erection of poles and cable laying works for which pwd schedule of rates ( current ) will be followed . , add g . s . t . @ 12 . 00 % on rs . 30 , 62 , 342 . 00 i . e total amount over item no . 1 . 00 to 4 . 00 , add labour welfare cess @ 1 . 00 % on rs . 34 , 64 , 121 . 00 i . e total amount over item no . 1 . 00 to 5 . 00