Mechanical Works & Maintenance Tender Results

Supply, erection & commissioning of E.O.T crane including main hoisting, cross travel & long travel tested to 25 % overload as per IS: 3177 completer with DI rail type Electric Wire Rope Hoist confirming to IS: 3938, having technical para/meters as under:- • Capacity 3 metric Ton (3000 Kgs) • Span of crane (10 mtrs + 2 mtrs (Approximate) as per site requirement. • Bridge construction Single Girder type construction consisting of R.S Joist of adequate strength, complete with MS Square bar 40 mm welded to top flange of the beam (girders) • Height of lift 5.0 mtrs + 2 mtrs (Approximate) standard lift as per site requirement. • Duty class-II (indoor/outdoor type) duty squirrel cage S-4 . • Electric motor Crane Duty, TEFC squirrel cage induction motor as per IS:325, 5.4 rating suitable for 150 starts per hours with class- F insulation and IP: 55 protection, operating on A.C 3-phase, 50 Mz main power supply at 415 (Volts+ 10%) of Bharat Bijlee/Siemens/ Abb/CGl Make. • Hoisting Motors: 01 No. of 5.00 HP capacity • Cross Travel Motor: 01 No. of 2.00 HP capacity • Long Travel Motor: 02 nos.of 1 HP capacity • Operating speeds • Hoisting Motors: Upto 6 Meters per minute • Long travelmotors: Upto 10-12 Meters per minute •Brakes all motors of the crane shall be coupled to failsafe, A.C electromagnetic Drum/Disc type brakes designed to be declutched as soon as power supply is cut/switched off •Gears all gears shall be of helical-type precision machine hobbled from tested quality alloy steel dully housed in a totally enclosed dust & vermin proof oil-bath lubricated gear boxes •Wire rope tested quality, un galvanized steel wire rope of 6X36 construction with fibre/hemp core as per 2266 of USHA Martin make (size 10mm/4 falls) shall be use •Controls from ground level through a plastic bodied pendant controller sustended from the hoist having control Voltage of 110-Volts. For safety of the operator complete with (Mains) on/off push-buttons •Other Safety features Contactors & overload relay shall be of Siemens/BCH Make. Electrical terminals oftenoplast/phenix/Elemax to prevent over hoisting/lowering of the hook block beyond operating limit two way shunt lever type limit switch shall be provided for long travel movement, Finally,a C-series MCB of MG/Hager make shall be provided for mains incoming supply beside individual use protection for all motors •Trailing Cables consisting of PVC insulated copper cables complete with cable carrier trolleys running on the section of ISLF: 50 designation as per approved make by Irrigation department with all minor Civil work •Make of EOT cranes- Wester, Felco, Electromech,Indus