LEAD SPECIFICATIONS OF GOLIATH CRANES

L&T Shipbuilding Ltd. , Chennai

Spec. Code: LT/CRN/GO/01 Date. --------------- / REV 0

Site Location

The proposed site for this project is located at North of existing Ennore Port and South of Pulicat Lake along the Coromandel Coast near Kattupalli hamlet , North Chennai, India.

1. Geographical data

Longitude (DMS) 80° 20’ 45.5” E Latitude (DMS) 13° 18’ 51,5” N 2. Access to the Site:

The proposed project area can be accessed through the existing roads developed by North Chennai Thermal Power Station and Ennore Port. The Kattupalli site is in close proximity to the National Highway (NH 4, NH 5 & NH 45) leading to Mumbai, Kolkata and Bangalore, respectively

3. Crane Location, Site Conditions and Limitations: Located at shipbuilding yard at water front facing open sea.

4. Crane Lifting Capacity: 400 t a) Total Lifting Capacity. 400 tonne b) Upper Trolley Hoist Capacity. 320 tonne (2 x 160 t)

c) Lower Trolley Hoist Capacity. 220 t 5. Span: 165.5 m CLEAR.

6. Crane Lifting Heights: – above the Rail top: 68.5 m (Minimum)

7. Girder and Hook Block(Bottom of Hook) Clearance = 68.5 m

8;. Speeds ( ± 5 % Variation)- 1. Upper and Lower Trolley - Load up to 200 t = 0.3 to 8.0 m/min2. Upper and Lower Trolley - Load up to 80 t = 0.5 to 15 m/min3. Shifting of upper trolley = 0.5 m/min4. Upper and lower trolley cross travel – fully loaded = 0.6 to 30 m/min 5. Upper and lower trolley cross travel – Half loaded = 0.6 to 40 m/min 6. Crane Long Travel = 1.5 to 30 m/min

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9. All crane movements including hoisting of all hooks should have step less micro movements.

11.. Crane Rails: By Vendor

12. Minimum Drawing Requirements and the approval procedures: Detailed GA drawing and detailed specification with vendor list and transportation / erection details.

13. Design, Construction and Testing Standards: FEM Classification Q3 – U2 FEM Standards 1.001, 987 Part 4

14. Operator And Maintenance Staff Training: By supplier. ALL MANUALS TO BE IN ENGLISH.(At least 6 copies each)

15. Power Supply. You can use 1.1 KV or higher for main drive motors.. Normal three phase power is 440 V ± 10%, 50 Hz ± 3%. Single phase power is 220 V, 50Hz.

16. Crane Design Classification: Suitable for shipyard use in open sea weather conditions.

17. Coating System: - Compatible to Marine environment and have minimum life of 05 years

18. Long Travel Motion. In accordance to standard practice.

19. Cross Travel Motion. Maximum possible in 165.5 Clear span.

20. Service Crane : Slewing and luffing Service Crane Required, Capacity 10 t at 10 m Radius.

21. Cable Reel System: Limited to 100 m approx.

22. Electric Motors: Suitable for open use in sea weather condition.

23. Limit Switches & Interlocks: Weather proof

24. Control Equipments: As per supplier’s plan. All fault indication with audio visual alarm mandatory.

25. PLC: PLC control required.

26 Crane Management System: Required.

27. Instrumentation: All necessary operational and safety instrumentation required.

28. Lighting: Required

29. Lubrication: Centralized lubrication system required.

30. Wind Speed Monitory: Required

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31 Commissioning & Performance Test: By Supplier

32. Special Tools if any: All maintenance tools(Electrical, Mechanical and Instrumentation) to be supplied by vendor. All special tools like pullers, jacks, special spanners extractors etc. to be supplied in duplicate.

33. Operator Cabin: Insulated and Air Conditioned with all controls located at sides and top only, leaving a front and bottom clear view of the hooks. Wireless communication system to be provided for at least 3 stations. 34. Upper Trolleys should have independent travel transverse to main beam to accomplish micro rotative movement of the load around vertical axis of the load.

35.Climatic Data Ambient Temperature: 0 to +45 deg C Humidity: Max 90 % relative humidity

Min 45 % relative humidity Rain Fall: Average 500 to 600 mm per year Maximum in July @ 250 – 300 mm Wind Velocity: Normal 13 to 39 km/hr

Torrential: Can go up to 50 km / hr Seismic Zone: Class 4 as per IS (1983 Revision)

36 Operator Cabin to have wipers of full size37. Wire less communication to 3 station should be a standard fitting38.Service (Maintenance Crane ): Suitable to handle the highest weighted single

component or sub assembly (Swivel and Luffing). Minimum 7.5 t.39. Automatic operated rail Clamps to withstand torrential wind loads required. Minimum 2 clamps on each corner.40 Operator Lift (To be quoted as extra)

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SCOPE OF SUPPLY

1. Each part of the crane will be newly fabricated and manufactured2. Crane Travel gears 3. Automatic rail clamps4. Hoisting gears5. Maintenance lifting facility6. Wire ropes and roping system with both type of hooks7. All necessary accessories as per specs8. One year of electrical, mechanical, hydraulic, instrumental, rubber and sealing parts

are to be supplied.9. Unloading at site.10.Site fabrication11.Erection12.Commissioning13.Testing14.Training15.Documentations16.Cable reel and electrical cables17. All drive elements18.Lubricating system19.Complete reeving systems including drums, sheaves, pulleys 20.Hook block and hooks

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Vendor to supply following information along with quotation:

1. Regulations and Classification standards applied toPermissible StressesDynamic Coefficient of hoistingBucklingStabilityMechanical Equipments

2. Amount of Skew the crane can handle without any damage.3. Total Dynamic Load Factor4. Total Static Load Factor5. Aerodynamic Coefficients6. Distance between supporting legs – Pier leg side7. Distance between supporting legs – Shear leg side8. No. of wheels per pier side corner9. No. of wheels per shear side corner10.No. of drives per each corner11.Driven wheels per drive 12.Total driven wheels per each corner13.Wheel Diameter14.Wheel distance at bogies and between bogies – pier leg side15.Wheel distance at bogies and between bogies – shear leg side16.Total length of Crane Travel gear (Bumper to Bumper) – pier leg side17.Total length of Crane Travel gear (Bumper to Bumper) – shear leg side18.Automatic Rail Clamps detail19.Crane long travel rail guage20.Wheel Heat treatment and hardness detail 21. Upper Trolley Travel Gear :

a) Upper Trolley rail guageb) Distance between support pointsc) Wheel Diameterd) No of wheelse) No of driven wheelsf) Trolley Travel Railg) End approachh) Total Trolley Traveli) Wheel Heat treatment and hardness detail

22. Lower Trolley Travel Gear :

a) Upper Trolley rail guageb) Distance between support pointsc) Wheel Diameterd) No of wheelse) No of driven wheelsf) Trolley Travel Railg) End approachh) Total Trolley Traveli) Wheel Heat treatment and hardness detail

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23. Hoisting : 23.1 Upper Trolleys :

a) Minimum Spacing of upper trolley hooksb) Maximum spacing of upper trolley hooksc) Wire rope typed) Wire rope makee) Wire rope constructionf) Wire rope diameterg) Wire rope min. breaking strengthh) Safety Factori) Drum Diameterj) Sheave diameterk) Reeving of rope

No. of Falls No. of ropes wound on drum Block Ratio of reeving

23.2 Lower Trolleys :

a) Minimum Spacing of lower trolley hooksb) Maximum spacing of lower trolley hooksc) Wire rope typed) Wire rope makee) Wire rope constructionf) Wire rope diameterg) Wire rope min. breaking strengthh) Safety Factori) Drum Diameterj) Sheave diameterk) Reeving of rope

No. of Falls No. of ropes wound on drum Block Ratio of reeving

24. Corner loads25. Weight of upper trolley26. Weight of lower trolley27. Weight of Crane – Total, without load.

28. Type of motors used29. Power Supply needed30. Control Voltage31. Power Required for Long Travel32. Power Required for Upper Trolleys Hoisting (Both Trolley)33. Power Required for Lower Trolley Hoisting34. Power Required for Cross travel of upper trollieys36. Power Required for cross travel of lower trolley

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37. Service Crane.

a) Radius of slewing armb) Capacityc) 3 Power Requiredd) Hoisting speede) Total Lift above Crane Rail topf) Reach of hook below crane rail topg) Mode of operation

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