COMPLETION OF BALANCE/LEFTOVER WORK FOR PROVN OF 01 x 03 TON EOT CRANE AND 02 x 01 TON HOT CRANE FOR INFRASTRUCTURE AT HALDIA RISK COST CONTRACT AGAINST CA NO CEKZ HLD 05 OF 2018 19

Amount

NOTES : (i) THE WORK DONE UNDER OLD CA NO CEKZ/HLD/05 OF 2018-19 IS NIL, THE LEFTOVER WORK IS 100%. (ii) THE TENDERER SHALL VISIT THE SITE TO ASSESS THE EXACT SCOPE OF WORK AND QUOTE THEIR RATES.

Design, Manufacture, erection, commissioning, supply, installation, testing and trial run of electrically operated, overhead travelling (EOT) cranes of capacity 3 Ton, conforming to IS : 3177 (latest revision), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, double girder box type with main girder, end carriages etc. with necessary steel supporting structures, with Hoisting, Cross Travel (CT) , and Long Travel (LT) with micro drives in all motions through clutch and geared motor of suitable capacities with control panel, power and controlling cables, confirming to relevant ISs, controlled by pendent push button station and radio remote control switch of operation, with and including the followings: - For the following Buildings: Three (03) Tons capacity, 29500 mm span, 28875 Clear Span, 30500 mm longitudinal travel, TOP of Crane at Approximately +12500 mm level, 9000 mm hook height to be installed in HANGAR e building of the Project for Creation of infrastructure at Haldia complete but excluding RCC bracket and Rails for Longitudinal Travel of Crane complete.

Maximum Speed (Meter / Min.): (a) Hoisting: 4 - 6 M/Min (b) Cross Travel: 8 - 12 M/Min (c) Longitudinal Travel: 10 - 15 M/Min STRUCTURAL FABRICATION (Constructional Details): Bridge Girder: Shall be of Double Girder Box Type construction having Minimum vibrations. End Carriage: Fabricated from rolled steel sections / plates as per IS:2062. Raw Material: Only tested quality MS plates of Fe 410 WB as per IS-2062, IS:1964 & IS:808 and certified for quality by reputed inspection authorities, shall be used. Number of Joints allowed: Maximum two Joints Welding Electrodes for all Horizontal Welding: E 7018 Electrode only should be used. Welded Joint Testing: All Butt Welded Joints in tensile zone of the girders shall be 100% X-Ray quality. Films to be produced during inspection. Mechanical Joints: Fit Bolts (as per IS 3640 –1982) for all joints coming in main members.

Heat Treatment & NDT Examination: The Trolleys shall be stress relieved, if necessary as per manufacturer's design requirement., by thermal heat-treatment process after welding & NDT. All welding shall be tested by NDT means [MPI, LPI & RT] after stress relieving operation (Govt. approved Test House & certificate). Manufacturer to furnish the details of facilities for Heat Treatment furnace & NDT Lab at their works. All the welded joints should be NDT tested by Govt. approved Test House & certificate / X-Ray films to be submitted at time of inspection. Wheels: Wheels shall be of forged and made of C55 Mn75 Carbon steel, Hardened to BHN 300-350 (a) Cross Travel (CT) - Contractor to submit the size in GA Drawings and supply as approved. (b) Long Travel (LT) - Mention the wheel diameter in GA drawings & Shall be matched with the above rails. Gear & Gear Boxes Details: Gear Box should be of fabricated type duly stress relieved. Pinions made of En 24 and gears of En 18. Gears in all the Stages shall be helical in design and to be of machined, lapped and hardened Straight and helical spur gearing shall normally be used for all motions. Worm and bevel gears shall not be used. First and high speed reductions shall be through helical gears. All first reduction pinions and also the other pinions if feasible shall be integral with the shafts. All gears shall be of hardened and tempered alloy or carbon steel with machine cut teeth. Gear tooth shall be cut in metric module system. Surface hardening of teeth is not allowed. The Gears and pinions should be hardened to 220 - 250 BHN for gears and 240 -270 BHN for pinions. Please note that gears and pinions must have pressure angle of 20° only.

Input Power Supply: Shall be 415 ± 10% Volts, 50 ± 3% Hz, 3 Phase, AC. Control Voltage: Shall be 110V AC Protection: All Panels, Limit-Switches and Motors shall have IP 54 protection. Motor Details: Squirrel Cage Induction Crane duty motors, Totally enclosed, fan cooled, Insulation Class-F & confirming to relevant latest IS:325, and IS-123, S4 duty, 150 starts per hour and 40% CDF. Contractor to provide other details like No. of motors, capacity of motor, Frame size, make, type and No. of poles etc. Type & details of Brakes for all motions: The type of brake for all motions shall be provided with fail safe type electro magnetic shoe/ disc type brake to hold the load in position instantaneously as soon as the power supply is OFF either accidentally or intentionally for all motions. Electric Contactors: shall have SIEMENS / L&T / GE /SCHNEIDER contactors suitable for Crane operations. Crane duty AC-4 ratings. Contactors Rating: The rating of all Contactors shall be at least 50% higher than the respective electric motor full load current, at the specified duty cycle.

Wiring: All the panel wiring shall be done by using standard multi core Copper highly flexible, double insulated cables. Earthing for Electrical items in Crane: Copper flexible cables should be used as trailing cable for CT motion of the crane.For longitudinal motion, power feeding may be done by 4 line PVC shrouded type GI conductor or PVC trailing cable as will be finally designed by the manufacturer. Cost of earthing and all extensions is deemed to be included in unit cost. Trailing Cables: Trailing cables (Extra flexible having copper conductors only) should be travelling on rollers moving on separate I- Beam parallel to Bridge Girder and both for LT & CT shall be supplied and Erected by supplier. Illumination: 2 Nos. of 35 Watts LED Lamps & fittings shall be provided under the Bridge and 1 No. shall be provided under CT Trolley. Fittings shall be of non-integral type. (Total lights 3 Nos.). Limits Switches: Hoist shall be provided with both rotary and counter weight type (Over Hoisting and Over lowering) Shunt, adjustable type limit switches. Limit switches shall be provided for both CT & LT. Two way lever type for CT both direction and LT both direction. Supply and Erection of Down Shop Lead:- The details of DSL to be provided by Contractor for CT & LT and in scope of Contract Remote Control: Push Button Type Radio Remote control for all motions shall be supplied. Radio remote control should be multi speed steps of operation. The unit work with rechargeable batteries. Battery charger to be provided along with the unit & rechargeable batteries.

Design, Supply, installation, testing and commissioning of Hand Operated for Cross and Longitudinal Travel and electrically operated for Hoisting (Up & Down ) Operation, overhead travelling (EOT) cranes of capacity 1 Ton, conforming to IS : 3177 (latest revision), suitable for operation(Hoisting Only) on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, Single girder , with necessary steel supporting structures, with Hoisting (Electric Operation), Cross Travel (CT) , and Long Travel (LT) with Hand Operation with Chain and Pulley Arrangements of suitable capacities with control panel, power and controlling cables, confirming to relevant ISs, controlled by pendent push button station operation, with and including the followings: - (a) One (01) Tons capacity, 6350 mm span, 12500 mm longitudinal travel, TOP of Crane at +5750 mm level, 5000 mm hook height to be installed in ENGINE SHOP building excluding RCC bracket and Rails for Longitudinal Travel of Crane complete.-1 No.

Major Technical Specification: Type, Capability and general requirements Girders : Type: Single Girder as per IS: 807 & IS: 3177 (latest version) fabricated using fresh tested steel plates to IS: 2062 Gr ‘A’ obtained directly from Main steel producers (like SAIL, RINL, TISCO), cut to size using the latest CNC profile cutting machines and welded using modern welding practices. All welds shall be subjected to radiography to ensure defect free welds. Hoisting Operation : With electrically operated, with Medium Duty Chain Electric Hoist, of Capacity 1.0 Ton, conforming to IS : 3177 (latest revision), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, controlled by pendent push button station for operation, similar to Model No Baby of INDEF M/S Hercules Hoists Limited or any equivalent make. Specifications : Grade 80 or superior Load Chains, Modular Constructor, with easily assessable separate brake, motor, gear box & Panel Units. All Electrical equipment enclosed in TE Enclosures. Precision machine cut hardened alloy steel gears and load chain wheel, Built in control panel with Standard electrical accessories, Fail safe disk brakes: Class :II S.W. L. (Tonne) : 1.0 No of Falls : 1 Operating Environment : Indoor . Cross & Longitudinal Operation : Manually Operated with Chain and Pulley Arrangements. All other incidental, Civil , Electrical and Mechanical works associated with Crane is deemed to be included in rate quoted by bidders. All relevant specifications /itmes as described under item No. 1 here-in-beore shall be applicable for this item also and rates quoted by contractor shall be included such provisions.

Design, Supply, installation, testing and commissioning of Hand Operated for Cross and Longitudinal Travel and electrically operated for Hoisting (Up & Down ) Operation, overhead travelling (EOT) cranes of capacity 1 Ton, conforming to IS : 3177 (latest revision), suitable for operation(Hoisting Only) on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, Single girder , with necessary steel supporting structures, with Hoisting (Electric Operation), Cross Travel (CT) , and Long Travel (LT) with Hand Operation with Chain and Pulley Arrangements of suitable capacities with control panel, power and controlling cables, confirming to relevant ISs, controlled by pendent push button station operation, with and including the followings: - For the following Buildings: (a) One (01) Tons capacity, 6350 mm span, 8500 mm longitudinal travel, TOP of Crane at +5750 mm level, 5000 mm hook height to be installed in PROPELLOR SHOP building of the Project for Creation of infrastructure at Haldia complete but excluding RCC bracket and Rails for Longitudinal Travel of Crane complete.-1 No.

Major Technical Specification: Type, Capability and general requirements Girders : Type: Single Girder as per IS: 807 & IS: 3177 (latest version) fabricated using fresh tested steel plates to IS: 2062 Gr ‘A’ obtained directly from Main steel producers (like SAIL, RINL, TISCO), cut to size using the latest CNC profile cutting machines and welded using modern welding practices. All welds shall be subjected to radiography to ensure defect free welds. Hoisting Operation : With electrically operated, with Medium Duty Chain Electric Hoist, of Capacity 1.0 Ton, conforming to IS : 3177 (latest revision), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, controlled by pendent push button station for operation, similar to Model No Baby of INDEF M/S Hercules Hoists Limited or any equivalent make. Specifications : Grade 80 or superior Load Chains, Modular Constructor, with easily assessable separate brake, motor, gear box & Panel Units. All Electrical equipment enclosed in TE Enclosures. Precision machine cut hardened alloy steel gears and load chain wheel, Built in control panel with Standard electrical accessories, Fail safe disk brakes: Class :II S.W. L. (Tonne) : 1.0 No of Falls : 1

Operating Environment : Indoor . Cross & Longitudinal Operation : Manually Operated with Chain and Pulley Arrangements. All other incidental, Civil , Electrical and Mechanical works associated with Crane is deemed to be included in rate quoted by bidders. All relevant specifications / itmes as described under item No. 1 here-in-beore shall be applicable for item No. 2 & 3 above also and rates quoted by contractor shall be included such provisions. Notes :- (i) The various dimensions given in BOQ are approximate. Drawings showing Plans, Elevations, Sections and Structural details are enclosed. The contractor is advised to verify the drawings as well as visit the site of work for accurate measurements of these dimensions. In any case before undertaking fabrication work the contractor must ascertain the final finished dimensions. No extra payments shall be made irrespective of whether the tenderer verify the dimension or not. (ii) The subject crane is meant for the purpose of handling small to medium components of Hovercrafts. (iii) The crane will be put to use for 365 Days’ continuous duty with CT, LT and Hoist movements. (iv) The department shall be responsible for providing suitably rated electrical outlet in the Main Electrical Control Panel/Main Distribution Board of the buildings. All other works, electrical earthings and associated incidental and minor works shall be the responsibility of the contractor. (v) The details of RCC brackets, End plates etc are shown in relevant drawings. The contractor shall certify that these are sufficient and meets the requirements of his design.