bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - as per atc; annual maintenance contract for the upkeep and maintenance of early warning system established for tehri / koteshwar dam; as per atc - manpower remuneration (1 engr+2 technician) , site travel & other allowances , s/i of batteries upto different the site/siren locations and t&p required to complete the work in all respect (12v 100ah) , s/i of ac battery charger i/c t&p required to complete the work in all respect (24v, 20 ) , s/i of solar panel i/c t&p required to complete the work in all respect (300w, 24v) , s/i of solar charger i/c t&p required to complete the work in all respect (24v) , s/i of mcbs i/c t&p required to complete the work in all respect , s/i of cables i/c t&p required to complete the work in all respect (3 core 1.5 sqmm) , s/p of paints for poles and support brackets i/c t&p required to complete the work in all respect (metal paints) , fabrication and installation of support bracket for pole stand i/c t&p required to complete the work in all respect , fabrication and installation of solar panel support bracket i/c t&p required to complete the work in all respect (made from ms angle and flat bar) , s/i of ss bolts and nuts for controller jb i/c t&p required to complete the work in all respect (18/19 mm) , s/i of ss bolts and nuts for speaker and antenna i/c t&p required to complete the work in all respect (14mm) , s/i of ss bolts and nuts for stand i/c t&p required to complete the work in all respect (10mm) , fabrication and s/i of antenna protection cover (monkey cage) i/c t&p required to complete the work in all respect