6 of 50

7.- Rated load. ( Metric ton )

75 ( 50 below magnets ) 8.- Span. ( mm )

21270 9.- Required hook lift. ( mm )

8000 10.- Distance between hooks and centerline of rails. ( mm )

L side 3270 M side 2000

11.- Length of runway. ( mm )

200000 12.- Rails.

Crane, by Ternium, A 100 rail

Trolley, by supplier, 175 CR rail Cab trolley, by supplier, DIN A55 rail

13.- Number of cranes on runway. 2 ( 239 and 240 ) 14.- Speeds.

Hoist. Speed ( m / min. ) 15 ( at 50 Hertz )/1.5 ( at 5 Hertz )

Semi gantry

Speed ( m / min. ) 95 ( at 50 Hertz )/9.5 ( at 5 Hertz )

Trolley Speed ( m / min. ) 48 ( at 50 Hertz )/4.8 ( at 5 Hertz )

7 of 50

15.-Ambient temperature. ( ºC )

Maximum 55º Minimum 0º

16.-Material handled.

Slabs with two slab-turning magnets.

Slab dimensions:

6000 to 12000 mm length 740-1900 mm width 200-250 thickness mm up to 300 °C temperature

Crane has to be able to handle and turn around all the range of slab sizes

17.-Crane to operate.

Outdoor 18.-Electrical Supply.

Volts 380 +/- 5% Phase 3 Hertz 50 +/- 5%

Control 110 +/- 5% Volts 19.-Method of control.

Cab yes, as normal operation, including a rotating armchair with two heavy duty joysticks and air conditioned. Cab shall be noise and temperature insulated.

Windows will have double tempered glass (insulated pack), 11 mm thickness each glass. Each insulated packs shall be installed in a frame, and this frame has to be fastened from outside to the cab frame.

8 of 50

Structural parts in steel shapes laminated or bending with thickness equal or more than 6 mm ( 8 mm for front angles ). Upper lateral windows and bottom window must be tilted in order to let cleaning of fixed glass. In rotating armchair there shall be joysticks and controllers for all the crane functions.

There shall be qty. 3 220V 20A heavy duty female plug installed inside cab.

Rotating armchair layout shall be subject to Ternium approbation. Cab position according indicated in semi gantry crane general arrangement.

20.-Type of control.

Variable frequency drive in all the movements, drives shall be:

Main Hoist

ABB model ACS800-04-0490-3+N652+P901+D150+L503+L502

Bridge ABB model ACS800-04-0320-

3+N652+P901+D150+L503

Trolley ABB model ACS800-04-0140-

3+N652+P901+D150+L503

Cab Trolley ABB model ACS800-01-0025-

3+N652+P901+D150+L503 21.-Type of control enclosure.

Variable frequency drives shall be inside one main girder, in a refrigerated electrical house.

9 of 50

22.-Electrical motors.

Main Hoist Qty. 1- 250 kW 1470 rpm ABB Cast iron Process Performance M3BP 355 SMA Foot Mounting 148: Routing test report 436: PTC thermistors (3 in serie 150°C) 451: Heating element 200-240 V. 701: Insulated bearing at N-end. 158: Degree of protection IP65. 069: Two shaft extensions as per basic

catalogue

Semi gantry Qty. 4- 45 kW 1470rpm ABB Cast iron Process Performance M3BP 225 SMB Flange Mounted 148: Routing test report 436: PTC thermistors (3 in serie 150°C) 451: Heating element 200-240 V. 701: Insulated bearing at N-end. 158: Degree of protection IP65. 005: Protective roof, vertical motor shaft

down

Trolley Qty. 1- 55 kW 970 rpm ABB Cast iron Process Performance M3BP 280 SMB Foot Mounting 148: Routing test report 436: PTC thermistors (3 in serie 150°C) 451: Heating element 200-240 V. 701: Insulated bearing at N-end. 158: Degree of protection IP65. 479: Special secondary shaft, diameter

38 mm x 105 mm length, adapted for HOG 16 Hübner encoder. ( this is just for spare part reduction )

Cab Trolley Qty. 2- Sumitomo brand. See gearmotor

in following point. 23.- Speed reducers.

Main Hoist Qty. 2- Sumitomo brand Paramax PHD-9100-P3A-BB-63, welded steel housing, air breather, oil gauge, special for outdoor, double lip viton seals.

10 of 50

Semi gantry Qty. 4- Sumitomo brand Paramax PWD-9075-R3-W-BB-56, air breather, oil gauge, prepared for outdoor, double lip viton seals, with Shrink Disk 155 mm shaft diameter, with C-face flange, additional shaft ( P2 type ) at Shrink Disk side.

Trolley Qty. 1- Sumitomo brand Paramax PWD-9085-P3-W-BB-40, air breather, oil gauge, prepared for outdoor, double lip viton seals.

Cab Trolley Qty. 2- Sumitomo brand

EHYM4C6145 M Y1 B74 with Taper Grip diameter 70mm, with manual release of brakes; IP65 motor.

24.-Bridge conductor type.

Cable carrier according Secin 3572-192 H1-R1 drawing, but redesigned for the new application, quantity and type of cables.

Cable carrier must have 15 % additional room as reserve.

25.-Building conductor type.

Steel rails by Ternium. Gravity type cast iron collector shoes (2 per line), support and wiring by the supplier. Ternium shall give detailed drawings of shoes after adjudication. Collector maintenance cabin and steel bars protection are to be installed in the cranes.

26.-Standard parts.

The following standard parts will be used by the supplier in the new cranes. After the adjudication Ternium will give detailed drawings in AutoCAD (when available) of these parts to the supplier. Parts not available in AutoCAD files shall be converted to AutoCAD files by supplier.