annual maintenance of hoisting equipments and vertical gates of durgapur barrage, 0.00ch / lbmc, 5.00 ch / lbmc 0.0ch / rbmc at block, p.s.- barjora, under d.h.w. division to be executed through dmed during the year 2023-24- 1 oiling greasing of hoisting gear boxes ( for rope drum and chain hoist ) of regulator gates of canal / rivers by cleaning, checking, greasing / lubricating the gears, plummer bocks, bearings, manual drive etc including all charges of man & materials which include oiling, greasing, refilling of gear oil excluding supply of gear oil and grease and fixing of damaged oil seals & missing nut & bolts etc complete as per direction of eic. ( gear oil & grease provided extra. ) 2 oiling greasing of the load roller and guide roller assembly of the regulator gates of canal / rivers by cleaning, checking, greasing / lubricating etc including all charges of man & materials which include refilling of grease excluding supply of grease and fixing of damaged oil seals & missing nut & bolts, scafolding charges etc to complete the job as per direction of eic. ( mobil oil & grease provided extra. ) 3 scraping, cleaning of wire rope, rope drum, pulley and lubricating the wire rope with rope compound servo coat-140 or approved wire rope compound including setting the wire rope in proper alignment and position as necessary as per direction of eic. the cost includes cost of manpower employed, scaffolding charges, cost of kerosine, jute, wire brush, cloth, wire rope compound & all other incidental charges to complete the job in all respect.d ) 18 mm dia 4 cost for supplying and fitting fixing of flat rubber seal ( make : universal moulders & engineer / popular rubber works ( pvt ) ltd / sab industries / unique polymer works / equivelant approved make conforming to ls : 11855 -2011 / latest revision ) for different types of gate shutter as per direction of e.i.c. the cost includes cost of man power employed for fitting fixing, cost of rubber seal, hire charges of tools & tackles, scaffolding and safety equipments etc including carriage loading & unloading but excluding supply of ms clamp / flat plate, bolts, nuts and washer.g ) 100 x 20 mm 5 cost for supplying and fitting fixing of bulb / musical node / j- type rubber seal ( make : universal moulders & engineer / popular rubber works ( pvt ) ltd / sab industries / unique polymer works / equivelant approved make conforming to ls : 11855 -2011 / latest revision ) for different types of gate as per direction of e.i.c. the cost includes cost of man power employed for fitting fixing, cost of rubber seal, hire charges of tools & tackles, scaffolding and safety equipments etc including carriage loading & unloading but excluding supply of ms clamp / flat plate, bolts, nuts and washer.b ) solid bulb: size- 40ø 140 x 12 mmfor top & side 6 supplying of m.s flat for clamping rubber seal with hole as per direction of eic 7 supplying of m.s bolts with nut for clamping rubber seal as per direction of eicsupplying of m.s flat for clamping rubber seal with hole as per direction of eic 8 repairing & maintenance of all mechanical system, operation of gates at durgapur barrage, ch. 0.00lbhr, ch.5.00lbmc & ch 0.00rbhr gatesby engaging suitable experienced manpower daily / shiftwise as and when required as per direction of e.i.c. 9 engagement of ordinary fitter / mechanic 10 engagement helper for mechanic