PROVISION OF EOT CRANE FOR C-130J/C-17 AND IL-17/AN-32 HANGER UNDER GE (EAST) AGRA

Amount

Design, Supply, installation, testing and commissioning of electrically operated, overhead traveling (EOT) cranes of capacity 25 Ton, conforming to IS : 3177 (latest revision), with span of 10.77 mtrs (approx), height of lift 9.6 mtrs (approx), travel length 38.00 mtrs (approx), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, double girder box type, with necessary steel supporting structures with Hoist speed 4mtrs / min, cross travel speed 5 mtrs / min, long travel speed 5 mtrs / min with VVVF drive alongwith motor of suitable capacity with control panel, power and controlling cables, confirming to relevant IS, controlled by pendent push button station and radio remote control switch of operation, with and including steel rope of suitable size dia , operation system hoist / cross travel/ long travel / electrically operated with pendent DSL system of shrouded bus bar type complete all as specified and directed. (for IL 76 /AN-32 hanger, floor area 38.23 mtr x 10.77 mtr, refer Drg NO AGR/363 Sheet No 1/2 and AGR/363 Sheet No 2/2). Note :- All COMMON FEATURES/TECH SPECIFICATIONS mentioned from srl. No. 5.01 to 5.44 here-in-after are part of this item.

Design, Supply, installation, testing and commissioning of electrically operated, overhead traveling (EOT) cranes of capacity 25 Ton, conforming to IS : 3177 (latest revision), with span of 12.50 mtrs (approx), height of lift 9.6 mtrs (approx), travel length 54.00 mtrs (approx), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, double girder box type, with necessary steel supporting structures with Hoist speed 4mtrs / min, cross travel speed 5 mtrs / min, long travel speed 5 mtrs / min with VVVF drive alongwith motor of suitable capacity with control panel, power and controlling cables, confirming to relevant IS, controlled by pendent push button station and radio remote control switch of operation, with and including steel rope of suitable size dia, operation system hoist / cross travel/ long travel / electrically operated with pendent DSL system of shrouded bus bar type complete all as specified and directed.(for IL 76 /AN-32 hanger, floor area 54.77 mtr x 12.50 mtr, refer Drg NO AGR/363 Sheet No 1/2 and AGR/363 Sheet No 2/2). Note :- All COMMON FEATURES/TECH SPECIFICATIONS mentioned from srl. No. 5.01 to 5.44 here-in-after are part of this item.

Design, Supply, installation, testing and commissioning of electrically operated, overhead traveling (EOT) cranes of capacity 25 Ton, conforming to IS : 3177 (latest revision), with span of 11.85 mtrs (approx), height of lift 9.6 mtrs (approx), travel length 37.00 mtrs (approx), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, double girder box type, with necessary steel supporting structures with Hoist speed 4mtrs / min, cross travel speed 5 mtrs / min, long travel speed 5 mtrs / min with VVVF drive alongwith motor of suitable capacity with control panel, power and controlling cables, confirming to relevant IS, controlled by pendent push button station and radio remote control switch of operation, with and including steel rope of suitable size dia , operation system hoist / cross travel/ long travel / electrically operated with pendent DSL system of shrouded bus bar type complete all as specified and directed. (for C-130/C-17 hanger, floor area 37.498 mtr x 11.85 mtr, refer Drg NO AGR/342 Sheet No 3/16 and AGR/364 Sheet No 1/1.) Note :- All COMMON FEATURES/TECH SPECIFICATIONS mentioned from srl. No. 5.01 to 5.44 here-in-after are part of this item.

Design, Supply, installation, testing and commissioning of electrically operated, overhead traveling (EOT) cranes of capacity 10 Ton, conforming to IS : 3177 (latest revision), with span of 12.50 mtrs (approx), height of lift 9.6 mtrs (approx), travel length 54.00 mtrs (approx), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, double girder box type, with necessary steel supporting structures with Hoist speed 4mtrs / min, cross travel speed 5 mtrs / min, long travel speed 5 mtrs / min with VVVF drive alongwith motor of suitable capacity with control panel, power and controlling cables, confirming to relevant IS, controlled by pendent push button station and radio remote control switch of operation, with and including steel rope of suitable size dia , operation system hoist / cross travel/ long travel / electrically operated with pendent DSL system of shrouded bus bar type complete all as specified and directed. ( for IL 76 /AN-32 hanger, floor area 54.77 mtr x 12.50 mtr, refer Drg NO AGR/363 Sheet No 1/2 and AGR/363 Sheet No 2/2). Note :- All COMMON FEATURES/TECH SPECIFICATIONS mentioned from srl. No. 5.01 to 5.44 here-in-after are part of this item.

Design, Supply, installation, testing and commissioning of electrically operated, overhead traveling (EOT) cranes of capacity 10 Ton, conforming to IS : 3177 (latest revision), with span of 11.85 mtrs (approx), height of lift 9.6 mtrs (approx), travel length 37.00 mtrs (approx), suitable for operation on 415 Volts, 3 Phase, 4 wires, 50 HZ supply, double girder box type, with necessary steel supporting structures with Hoist speed 4mtrs / min, cross travel speed 5 mtrs / min, long travel speed 5 mtrs / min with VVVF drive alongwith motor of suitable capacity with control panel, power and controlling cables, confirming to relevant IS, controlled by pendent push button station and radio remote control switch of operation, with and including steel rope of suitable size dia , operation system hoist / cross travel/ long travel / electrically operated with pendent DSL system of shrouded bus bar type complete all as specified and directed. (for C-130/C-17 hanger, floor area 37.498 mtr x 11.85 mtr, refer Drg NO AGR/342 Sheet No 3/16 and AGR/364 Sheet No 1/1.) Note :- All COMMON FEATURES/TECH SPECIFICATIONS mentioned from srl. No. 5.01 to 5.44 here-in-after are part of this item.

COMMON FEATURES/TECH SPECIFICATION : For srl item No 1 to 5 here-in-above :-

(vi) End carriages with standard wheel bases fabricated using the modern welding and machining techniques to ensure jerk free and smooth travel motion. The wheels shall be double flanged, supported on self aligning anti-friction bearings, Buffers shall be provided at the ends of the carriage as per IS Standards. (vii) Brakes for all drives shall be Electro-magnetic shoe brakes according to the application. (viii) Hooks shall be shank type supported on anti friction thrust bearing and the sleeve pulleys shall be made out of malleable cast iron or fabricated, conforming to IS: 3815. (ix) Controls: The crane shall be controlled by pendant. The main electrical components shall be housed sheet steel enclosures suitable for indoor application conveniently located for easy maintenance. Standard protection devices for overload protection and short circuit protection shall be provided. (x) All other incidental, Civil , Electrical and Mechanical works pertain to cranes. (xi) Note:- The span as given in item Nos 1 to 5 are approximate & are reflective of width of the hanger / bldg from wall to wall. The center to center distance between the gantry (ISMB/ISMC provided by bldg contractor) is 11.00 mtr (for item Nos 2 & 4), 9.79 mt for item No.1 and 10.30 mtr for item No. 3 & 5 respectively. However the bidder shall measure the exact span of these bldgs before commencement of the work. If minor variation in center to center distance found at site during execution of work. The contractor shall not be entitled for any claim on account of such variation of length. (xii) MS ladder of suitable length to reach upto top of gantry girder made out of angle iron of size 65x65x06 mm (min.) and width 0.45m duly painted and fixed to wall and floor with steps made of 40mm dia MS pipe at spacing of 30cm c/c shall be provided by the bidder for crane operation & maintenance purpose. Minimum two ladder for one set of crane in each hall (Total 06 Nos) shall be provided. The cost of ladders are deemed to be included in the quoted rates against the respective item of cranes here-in-above.

The crane will be put to use for 365 Days’ continuous duty with CT, LT and Hoist movements.

The department shall be responsible for providing suitably rated electrical outlet in the Main Electrical Control Panel/Main Distribution Board of the buildings (Refer Drawings). All other works, electrical earthings and associated incidental and minor works shall be the responsibility of the contractor.

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.

The shop floor environment will be dust prone, humid, welding fume filled and ambient temperature going up to 50ºC. Weather conditions are tropical. Crane shall be kept in the normal shop floor condition without any temperature controlled enclosure / shop. Max. temperature variation is 25 deg Celsius in 24 hours. Sound level should be minimum and the crane should have decent aesthetic look. Ambient Temperature: 4º C to 50º C & relative Humidity: 55%.

Major Technical specifications of the crane are given below. These are to be complied with by the contractor/manufacturer. The parameters which are not specified are to be as per Contractor's/OEM's own design. The contractor shall submit the drawings as mentioned in Srl no. 5.42 below hereafter alongwith the design calculation folder ( for mechnical and electrical design) , and get the drawings approved from the Accepting Officer . The drawings shall be complete in all respect.

Hoist: Hoist should be as per latest IS.

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 steel 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: Single Joint.

Welding Electrodes for all Horizontal Welding: E 7018 Electrode only should be used.

Welded Joint Testing: All Butt Welded Joints (both compression/ tension and flanges / web joints)shall be subjected to 100% X-Ray Testing and X-Ray Films to be produced for evaluation and form part of the completion documentation).

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, 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.

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 / pinions should be hardened to HRC 50-55 and ground. Please note that gears and pinions must have pressure angle of 20° only.

Lubrication: Suitable lubrication system shall be provided for gear box, all rotating parts wherever applicable. Details of the same to be furnished. Please indicate the type of Lub. Oil & grease, quantity also.

Rope Drum: Shall be of fabricated type stress relieved or seamless pipe. The circumferential weld joints shall be tested by 100% X-Ray quality. The drum dia, length & no. of groves shall be as per design calculation.

Wheel : Trade mean dia for cross travel & long travel shall be as per design calculation.

Type of Coupling: Couplings should be flexible geared Barrel type. No pin / bush / rubber type coupling to be used.

Machining Operation: All mechanical mating surfaces and wheel seating areas are to be machined to the required finish and protected.

Hoist Wire Rope Details: Fiber core confirming to IS: 2266. Wire rope dia as per design calculation, 08 No. falls for 25 Ton crane & 04 No. falls for 10 Ton crane, 6x36 constructions with a minimum breaking load of 7700Kgs.

Input Power Supply: Shall be 415 ± 10% Volts, 50 ± 3% Hz, 3 Phase, AC at LT panel board provided in the bldg. The bidder has to take electric connection with the help of XLPE insulated PVC sheathed cable of size min 16 sqmm, 4 core ISI marked. IS-7098 Pt-I to the crane assembly & control panel & cost is deemed to included in the quoted rate here in above.

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 with VVVF drive alongwith motor of suitable capacity having 960 RPM, Totally enclosed, fan cooled, ( TEFC) Insulation Class-F & confirming to relevant latest IS:325, and IS-123, S4 duty, 150 starts per hour and 40% CDF and contractor to provide other details like No. of motors, capacity of motor, Frame size, make, type and No. of poles etc. Hoisting motor with design calculation.

Type & details of Brakes for all motions: Conical rotor type or "Fail to safe" action type. Electromagnetic shoe / disc brakes type to be provided to hold the mechanism in position instantaneously as soon as the power supply is 'OFF' either accidentally or intentionally for all motions. Brake wheels for hoisting & cross travel, shall be of forged construction of dia as per design calculation considering min breaking torques of 9 Kg-m for hoisting and 6 Kg-m for cross travel respectively.

Electric Contactors: shall be of make SIEMENS / L&T/BCH / GE 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 should be done by using standard multi core Copper highly flexible, double insulated cables and of Butyl Rubber.

Earthing for Electrical items in Crane: Shall be carried out as per IS.

Trailing Cables: Trailing cables (Extra flexible having copper conductors only) should be traveling 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 90 Watts LED Lamps & fittings shall be provided under the Bridge and 1 No. shall be provided under CT Trolley. (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 DSL Shrouded Bus bar type : The details of DSL to be provided by Contractor for CT & LT and in scope of Contractor. However common bus bar may be used for 25 and 10 ton cranes provided against BOQ item No. 2 & 4 and 3 & 5 here in above.

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.

Painting Instructions: (a) Surface Cleaning: Girder to be shot blasted or chemically treated for surface cleaning, after completion of all operations but prior to painting. Contractor to furnish the details of facilities for Shot Blasting M/c at their/OEM's works. (b) Painting: One coat of Red Oxide Primer with 25 micron DFT (Dry Film Thickness) and 48 hours of compulsory curing after painting. (c) The crane should be thoroughly cleaned and final painting with two coats of Enamel Paint (Colour –Golden Yellow) each with a DFT of 25 micron and intermittent curing of 16 hours. Final touching will be done after erection & commissioning at site if required.

Clearance between Rail Top to Enclosure Roof: 1.5 Meter.

Designing, supplying, installing, testing and commissioning of hoist electrically operated wire rope hoist of capacity 3 tons as per IS: 3938 (latest version) including control panel etc for Lift of 12.0 Mtrs, Class & duty - Class-II/Medium, Hoisting Motor TEFC of 960 RPM, Hoisting speed 4.0 Mtr/min approx, including hoisting break and hoisting limit switch, Fiber core wire rope confirming to IS: 2266 of suitable size complete all as specified and directed. (for C-130/C-17 hanger for parachute air and dry section) Note:- (i) Hoist will be mounted on bottom cord of the truss and all necessary clamping arrangement for mounting of EOT hoist will be provided by the bidder and cost is deemed to be included in the quoted rate. (ii) The design calculation (Civil & Mechanical and relevant drawings if any ) has to be got approved from accepting officer before fabricating of the hoist. (iii) Hoist operation shall be with pendant control with pendant of die cast or hard unbreakable plastic having push button for up & down movement on /off switches and stay put emergency stop switch. Pendant shall be hanged with chrome plated steel chain covered with sleeves. (iv) Bidders are advised to study the revised truss drg for mounting the hoist. Note:- Input power supply shall be 415 ± 3% Hz, 3 Phase AC at main control board fitted with bldg and further electric cable connection for hoists shall be provided with suitable size of electric cable. Cost shall be deemed to be including in quoted rates.

Designing, supplying, installing, testing and commissioning of hoist electrically operated wire rope hoist of capacity 1 tons including control panel etc for Lift of 12.0 Mtrs, Class & duty - Class-II/Medium, Hoisting Motor TEFC of 960 RPM, Hoisting speed 4.0 Mtr/min approx, including hoisting break and hoisting limit switch, Fiber core wire rope confirming to IS: 2266 of suitable size complete all as specified and directed.(for IL 76 /AN-32 hanger) Note:- (i) Hoist will be mounted on bottom cord of the truss and all necessary clamping arrangement for mounting of EOT hoist will be provided by the bidder and cost is deemed to be included in the quoted rate. (ii) The design calculation (Civil & Mechanical and relevant drawings if any) has to be got approved from accepting officer before fabricating of the hoist. (iii) Hoist operation shall be with pendant control with pendant of die cast or hard unbreakable plastic having push button for up & down movement on /off switches and stay put emergency stop switch. Pendant shall be hanged with chrome plated steel chain covered with sleeves. (iv) Bidders are advised to study the revised truss drg for mounting the hoist. Note:- Input power supply shall be 415 ± 3% Hz, 3 Phase AC at main control board fitted with bldg and further electric cable connection for hoists shall be provided with suitable size of electric cable. Cost shall be deemed to be including in quoted rates.

Earthing with galvanised steel plate elctrode 600x600x6 mm thick, burried directly in ground (earth pit not less than 2.25 mtr below GL) with the top edge of the plate not less than 1.5 mtr below the normal ground level connected to GI strip 25x4 mm dia protected by 40 mm GL pipe( light grade) and chamber PCC (1:4:8) type D2 using 40 mm grated stone aggregate, coping shall be (1:3:6) type C1 using 20 mm stone aggregate with RCC pit cover 50mm thick in (1:2:4) type B1 using 20 mm stone aggregate reinforced with 8 mm for MS bar at 80mm c/c both way in lieu of CI pit cover with angle iron frame including excavation and earth work and removal of surplus soil complete all as shown in electrical plate No. 3 of SSR Part I and as specified including charcoal dust, common salt complete and earth lead connected to earthing test point /main board all as specified and testing of earthing complete all as specified and directed. Note:- Protection pipe and GI strip upto 7.5 mtr is included in the unit rate. Contractor shall be deemed to quote the rate accordingly.

Earthing complete with copper earth plate electrode 600x600x3.15 mm thick, burried directly in ground (earth pit not less than 2.25 mtr deep below ground with top edge of the plate not less than 1.5 mtr below ground level connected to copper strip 25x3 mm by means of nut bolt & washer and galvanized iron or steel all as shown in electrical plate No 3 and connected to earthing test point including testing of earthing complete dia protected by 40 mm GL pipe( light grade) and chamber PCC (1:4:8) type D2 using 40 mm grated stone aggregate, coping shall be (1:3:6) type C1 using 20 mm stone aggregate with RCC pit cover 50mm thick in (1:2:4) type B1 using 20 mm stone aggregate reinforced with 8 mm for MS bar at 80mm c/c both way in lieu of CI pit cover with angle iron frame including excavation and earth work and removal of surplus soil complete all as shown in electrical plate No. 3 of SSR Part I and as specified including charcoal dust, common salt complete and earth lead connected to earthing test point /main board all as specified and testing of earthing complete all as specified and directed. Note:- Protection pipe and copper strip upto 7.5 mtr is included in the unit rate. Contractor shall be deemed to quote the rate accordingly.

Supply and fixing copper strip 25x3mm as earthing lead laid on wall/floor on insulated base complete all as specified and directed.

Supply and fixing Galvanized steel pipe light grade with all fitting laid in floor / fix on wall including fixing arrangement with suitable size clamps for copper strip protection complete of size 40 mm dia complete all as specified and directed.

MUKUL BUILDERS PVT LTD

Dinesh Engineering Enterprises

M/s. Tojym Steel Products