Tender For annual maintenance contract for airconditioningmachines/ refrigerators at the admin building, kgh, works office, and other buildings. (year- 2026-28)
Tender For corrigendum : supply, installation, testing and commissioning of concealed type airconditioningmachines and e.i work at surgical opds(faculty room no. 2,3 and 5) under extended surgical building of calcutta national medical collage and hospital, kolkata.
Tender For supply, installation, testing and commissioning of airconditioningmachines along with supporting structure for odu for law department at 3rd floor of g block.
Tender For maintenance of electrical installation and fans, s/stn., c/lights, repair maintenance of dg sets, p/sets, wt/split ac units at rrsl, faridabad dg. 2025-26 (sh : annual comprehensive maintenance of precision airconditioningmachine)subwork/packages:annual comprehensive of precision airconditioningmachine
Tender For supply of psd and interlocking spares for the signalling department - electrical key transmiiter with key used in section for manual operation of point machine as per rdso., relay qna1 - 24v dc - 8f/8b with complete accessories as per rdso, relay ql1 24v 150 ohm with complete accessories as per rdso, mainline monitors/ cbi vdu monitors, cat6 cable, keyboard & mouse, moxa switch (mgate mb3480), surge protection device 220v dc, surge protection device 385v ac (3p+1n), surge protection device 45v dc, timer relay 2 watch (h3dk-hbs), timer relay 4 watch (h3dk-s2), surge protection device class d i phase 110 v ac, surge protection device class d spd 1,2,3,4,5,6 110v ac/110v dc, power supply unit 230v ac/110v dc, 10a (ps11010v2), intelligent temperature monitor and controller unit (gecf3230), limit switch crouzet (pbxr-83244213), limit switch crouzet (v3d-832607), axle counter rack cooling fan 6 inch oval (se-17250 asl)
Tender For procurement of spares in rps pipri- round hd screw m10 x 40mm, allen screw (ss) 3/8x 1.0 bsf thread, allen screw (ss) 5/16x 1.0 bsf thread, hexagonal bolt (carbon steel ) m10 x 100 mm x 8.8, generator window bolt (carbon steel ) size-5/8x 38 mm, stud and nut (ms) size- x 85mm thread-bsf, stud and nut (ms) size- x 60 mm thread-bsf, ms stud with nut size-x 7, bsw, thread-2, ht nut, bolt & washer m18 100, brass sim for guide vane seal size-0.5 mm, hexagonal bolt (carbon steel ) m24120 mm tensile pr.10.9 kgf / mm, hexagonal nut (carbon steel )m24 tensile pr10.9 kgf / mm, single coil spring washer (carbon steel ) id- 24mm, od -30 mm, expansion joint stud dia. - 1 , length - 15 thread full, bsw hardness, toughness & blacken - 40 to 50 hrc, expansion joint nut thread - 1 bsw hardness, toughness & blacken - 40 to 50 hrc, hexagonal bolt (carbon steel ) m22100 mm , hexagonal nut (carbon steel )m22x2.5, hardened washer (carbon steel ) m22, hexagonal bolt (carbon steel ) m16110 mm , hexagonal nut (carbon steel )m16x2, hardened washer (carbon steel ) m16, hexagonal bolt (carbon steel ) 12 tpi, m2052 mm brake liner bolt as per sample , hexagonal nut (carbon steel )m20x2.5, hardened washer (carbon steel ) m20, hexagonal bolt (carbon steel ) m1875 mm , hexagonal nut (carbon steel )m18x2.5, single coil spring washer (carbon steel ) m18, hexagonal bolt (carbon steel ) m2475 mm tensile pr.10.9 kgf / mm, hexagonal bolt (carbon steel ) m24100 mm tensile pr.10.9 kgf / mm, hardened washer (carbon steel ) m24, guide vane seal (top), guide vane seal (bottom), nylon rope rope dia 25 mm, nylon rope rope dia 10 mm, hack saw blade size- x12, power hexa blade size- 18x1x0.050, pvc pipe embedded with cotton thread dia- 1, thickness-5.0 mm, lub. oil filter material brass, air compressor model no 231- tune up kit part no 37123718, lifting strap, eye at both ends, working load : 3 ton, length : 5 mtr, lifting strap, eye at both ends, working load : 3 ton, length : 10 mtr, o ring 05 mm (rubber cord neoprene rubber), o ring 07 mm (rubber cord neoprene rubber), o ring 6 mm (rubber cord neoprene rubber), o ring 8 mm (rubber cord neoprene rubber), leatherised packing 1.0 mm thick x 1.0 mtr.wide, leatherised packing 2.0 mm thick x 1.0 mtr.wide, leatherised packing 3.0 mm thick x 1.0 mtr.wide, leatherised packing 5.0 mm thick x 1.0 mtr.wide, neoprene rubber seal 6.0 mm x 1.0 mtr, neoprene rubber seal 3.0 mm x 1.0 mtr, asbestos graphite gland packing 1/2", leather cork sheet size- 05 mm, leather cork sheet size- 03 mm, leather cork sheet size- 02 mm, rubber/ teflon bearing suitable for bhr- 28 dewatering pump, rubber/ teflon bearing suitable for bhr 42 dewatering pump, rubber/ teflon bearing suitable for impeller shaft of bhr 42 dewatering pump, pressure switch for intake gate, 6 inch, operating voltage 220 v dc, 2 no & 2 nc, 30 va, tgb cooling pipe line seamless, with floating flange, mat- cu (07 pipe per set), mechanical seal of tushaco make triple screw intake gate power pack, model t3s 32/38wd, head shaft for bhr - 42 dewatering pump with shaft sleeve and nut, chuck nut suitable for bhr-42 head shaft, hose pipe, 0-70 bar pressure carrying capacity for centrifusing machine, 4 pole power contactor nhd series 415 v ac, 25 amp, cat no-non with auxiliary contact block nhd , 3 phase failure relay 380 440 v model no d2 vmr1 range ce/csa, electronic multifunctional timer, 15 time setting range, range-( 0.05sec -100 hr), coil voltage 24-240 ac/dc type 3rp1505-1apw308k, over load relay, 3ua-5500-2d, 3 pole power contractor 415v, 32a, 3tf3400-oa-mo, front 4 mounting auxiliary contact, wide band compact led indicating lamps 24 v-240 vac & 24v 220v dc, (red+green + amber + white) 10 no. each, wide band compact led indicating lamps 24 v-240 vac & 24v 220v dc, (blue) , wide band compact led indicating lamps 24 v-240 vac & 24v 220v dc, (yellow) , 3 pole power contractor 220v dc,22a, 3tf3300 0b, front 4 mounting auxiliary contact, 3 pole power contracto
Tender For annual comprehensive maintenance of airconditioningmachines installed at different site under uluberia electrical section iii, pwd in the district of howrah for 01 one year.
Tender For replacement of more than 10 year-old airconditioningmachines at pwd it hi com room located at ground floor of main block of writers buildings.
Tender For repair and renovation of gynae ot complex at 3rd floor of centenary building under nrsmc and h ei work and airconditioning system allied work supply, installation, testing and commissioning of airconditioningmachines at at gynae ot 1 and 3