AC METER GAUGE LOCOMOTIVE TECHNICAL SPECIFICATION GL30SCM-AC BY GRINDROD LOCOMOTIVES SOUTH AFRICA

AC METER GAUGE LOCOMOTIVE TECHNICAL SPECIFICATION GL30SCM-AC BY GRINDROD LOCOMOTIVES SOUTH AFRICA

TECHNICAL SPECIFICATION GL30SCM-AC INDEX LOCOMOTIVE FACT SHEET TECHNICAL SYSTEMS SHEET 1. SPECIFICATION INTRODUCTION 2. PERFORMANCE REQUIREMENTS & CHARACTERISTICS 3. LOCOMOTIVE CONTROL SYSTEM 4. TRACTION MOTORS 5. DIESEL ENGINE AND ACCESSORIES 6. BOGIES 7. BRAKE RIGGING 8. COMPRESSED AIR SUPPLY 9. COMPRESSED AIR AND ANCILLIARY SUPPLY 10. BRAKE SYSTEM 11. COUPLERS AND DRAWGEAR 12. UNDERFRAME 13. BODY 14. POWER SYSTEM 15. SANATARY 16. SAFETY 17. WARRANTY 18. TRAINING & MANUALS APPENDIX A Tractive effort and braking effort curves APPENDIX B General arrangement drawing

LOCOMOTIVE FACT SHEET 3000 HORSEPOWER AC GL30SCM AC LOCOMOTIVE GL30SCM AC Multipurpose Locomotive Model nr: GL30SCM-AC GL Grindrod Locomotives 30 3000 hp (Traction) S C M Single cab Coco bogies Meter gauge General Specifications Total weight on rails: 110 mt Max Height (top of rail to top of locomotive): 3965 mm Overall length: 19202mm Fuel Capacity: 7000 litres Performance Specifications (3000 THP) (UIC) locomotive equipped with 16-645E3B EFI Engine High tractive effort & extended range dynamic braking effort capability - 500 kn Starting TE - 410 kn Continuous TE - 260 kn maximum braking effort with flat top down to 3 km/hr 6.8% improvement in fuel efficiency over earlier-emd 645E3 series engines All weather adhesion of 38% Performance Impact The GL30SCM-AC provides unit reduction, fuel savings and additional revenue tonnage capability Operation of fewer units results in significant maintenance and operating savings High amounts of tractive effort developed at the lower speed range of 15 km/hr Service proven ATS IGBT Inverter system drives one traction motor per inverter to allow max take home redundancy Microprocessor control system and AC traction motor system allows development of higher levels of adhesion Flat top dynamic brake performance down to 3 kph Reliability & Serviceability High level of reliability with fewer parts Familiar components enhance serviceability at existing Diesel depots 16-645 E3B EFI engine. ATS IGBT Inverters with AR10 alt. Reliable ABB 400 AC Traction Motor Advanced microprocessor control 18 KW Auxiliary Generator 420 Ah starting batteries Engine pre-lube pump

ENHANCED POWER PLANT & TRACTION DRIVE SYSTEM PROVIDES ADDITIONAL TRACTIVE EFFORT 16-645E3B EFI DIESEL ENGINE 16-645 E3B engine with tractive horsepower at 3,000 HP low idle speed for fuel savings High Efficiency Turbocharger Unit Fuel Injection ABB 400 AC Induction TRACTION MOTORS (Roller bearing) Robust, higher horsepower motor design Higher torque output and power capability allows the GL30SCM-AC to develop higher tractive effort at lower speeds 16 645 E3B EFI (Electronic fuel injection) Engine DIGITAL CONTROL SYSTEM Increased speed and control system efficiency Eliminate modules and components compared to Dash-2 series controls Improved reliability and performance Information downloadable to a laptop computer Flexible and expandable to accommodate future system enhancements Complete self-diagnostics / Archived unit history data ABB 400AC traction motor ATS Inverters Service proven IGBT units One Unit per traction motor to allow for max redundancy. ATS inverters

TECHNICAL SYSTEMS SHEET MODEL PROPOSED REV. DESCRIPTION & OPTIONS GL30SCM-AC Environmental Conditions Maximum Altitude Maximum Temperature Minimum Temperature Atmospheric Conditions Railroad Operating Requirements Clearance Requirements Static Clearance Minimum Under Clearance 2000 m 50 C -10 C Wet 3965mm 100 mm Weight Maximum Axle Load Maximum Weight 18.5 tonnes 111 tonnes Track Min curve Mainline 80 m single unit 90 m two or more units Tunnels Yes Performance Horsepower Brake Horsepower Traction Horsepower 3300 BHP @ AAR 3000 THP @ AAR Speed Maximum Speed Min. Cont. Speed 100 km/hr 5 km/hr Tractive/Braking Effort Continuous Tractive Effort Starting Tractive Effort Braking Effort 410 kn 500 kn 260kN Flat top

A. A I R S Y S T E M Air Brake Schedule Braking Rate Safety Control (Alerter System) Loco Over speed Protection Break-in-two Protection Knorr CCB2 Electronic tbd...uic Random request Provided 105 kph YES (UIC) Air Compressor Type Compressor Oil Sump Air Compressor Sync Compressor Filter Gardener Denver WBO-WCN Standard Yes Single Air Maze Main Reservoir System Air Reservoir Filters Air Reservoir Drains Air Dryer Vacuum Warning Devices 850 litres (2) Salem 818 filters Yes on both Main Reservoirs Yes Yes Horn Two-chime Other Air Brake Modifications Cab Emergency Brake Valve Air Flow Indicator ATS System YES Integrated in display NO B. S A N D I N G Arrangement Inboard & Outboard Inboard & outboard Sand Box Location Bogie mounted Capacity Total loco capacity Capacity per box 320 litres 40 litres C. M U L T I P L E U N I T C O N T R O L Electric MU Control Standard 27 pin connector Air Brake MU Control Single pipe control

D. D Y N A M I C B R A K E Range Flat top from 3 kph System Box grid Control Method IGBT field controler Grid Arrangement Two box two fan Grid Blower Grid Blower Protection Number of blowers 1 HP Blower Motor 2 times 30 HP Engine Speed Single Speed Self Load Feature Yes DBI (Dynamic Brake Interlock) Type I, Re applying E. E L E C T R I C A L C O N T R O L System Micro with auto stop start Batteries Starting batteries -420 ah Auxiliary Generator 18 KW Traction motor lockouts Provided Traction Motors ABB 400AC induction AC Companion Alternator 3 phase Main Generator AR 10 Traction motor cooling 1 Trk-TM/GenBlower -

F. E N G I N E No. of Cylinders 16 Series of Engine 16-645 E3B EFI Primary Filtration Inertial (Flosep) Engine Filters Paper Idle Low Idle G. B O G I E S Gauge mm Bogie Type Bolster less 3 axle Brake package Brake Shoe Arrangement Type of Brake Shoe Hand brake Unitised brake cylinders (Knorr) Single Shoe FIP (High Friction composition) 3 axles Wheel Size 914 mm (36 ) Wheel Rim Size Wheel Profile AR Back-to-Back Wheel Spacing AR Gear 93/17 Journal Bearings (Tapered Roller) Timken sealed grease tapered roller bearing

H. C A B M O D I F I C A T I O N S Controller Arrangement Right Hand Drive Miscellaneous Cab Equipment Cab Seats Electric Cab Heaters Air Conditioner Hot Plate Speed Recorder/Indicator Refrigerator Microwave DDU (Driver integrated display) Wipers Sun Blinds Tool Box & Tools Cab modifications Seat connection Heater-Blower (Duel direction central floor mounted) Provided Provided Provision Low voltage Electric in cab unit Not supplied Provided 24 volt electric provided 4 adjustable / pull down type Storage Locker Safe cab I. R A D I O Communications Radio N/a J. C A R B O D Y Cab Arrangement Car body Arrangement Single Cab, Front Narrow car body with handrails Under frame width 2743mm (9 Feet) Coupler and Draft Gear Type Draft Gear Height of Coupler UIC Hook/Screw Coupler /Buffer To match Coupler 889 mm (Adjustable) Cooling Fans Drive AC Fan side 2 Hot Sided fans Diameter of Fans (48 in.) Number of Blades 9 Speed Single Speed Diffuser Provided Type Cores Radiators Mechanically bonded (Touchstone) 2 cores 6 row

1. SPECIFICATION INTRODUCTION The purpose of this specification is to propose a multi-purpose AC-AC locomotive solution with high tractive effort for Customer requirements 2. PERFORMANCE REQUIREMENTS & CHARACTERISTICS 2.1 Description of Operation 2.1.1 The maximum speed of the locomotive is 100 km/h, which implies a gear ratio of 5,177. Over speed protection is provided through the control system. 2.2 Locomotive operating envelope 2.2.1 The dimensions of the locomotive shall be inside the rolling stock outline per general arrangement. 2.2.2 The locomotive shall be capable of negotiating a minimum curve of 80m radius as a single unit and 90 meters as a double unit. The unit shall be able to negotiate a 1 in 8 turnout. 2.2.3 Due consideration is given for decrease in wheel diameter due to wear. The only exception to the above being sand pipe nozzles which shall be adjustable and capable of being maintained at 50mm above rail level and which shall be fully enclosed within the width of the wheel. Gear case clearance to top of rail will be a minimum of 100mm with last turn wheels. 2.2.4 Brake stopping distances shall comply with Specification provided b CFM. 2.2.5 The hand brake shall be capable of holding the locomotive on an incline of 1/30. The hand brake shall be bogie mounted 2.3 Climatic conditions: 2.3.1 The locomotive can operate from coastal to inland centres or vice versa. This equates to a height of 0 to 2000m above sea level. 2.3.3 Ambient conditions of between minus 10 to 50 deg Celsius. 2.3.4 Locomotive can operate in dry or wet and rainy weather. 2.4 Motoring Requirements 2.4.1 The maximum traction performance shall be in accordance with the attached tractive curve. Traction performance as used in this context will vary based on track conditions. 2.4.2 Curves for every notch (mini curves) to be in accordance with TE curves.

2.5 Braking Requirements 2.5.1 Dynamic brake performance shall be in accordance with the attached tractive curve. Traction performance as used in this context will vary based on track conditions. 2.5.2 An flat top dynamic brake is provided 2.6 MU Ability 2.6.1 Multiple with own as well as well as existing EMD or GE diesel locomotives. 2.6.2 The MU ability of the new fleet with the existing fleets shall be offered through the standard 27 pin train line connectors. The configuration will be done according to data supplied by customer. 2.6.3 One live MU sockets on each end of the locomotive with one MU cable per locomotive. 2.7 Principal Requirements The locomotives shall comply with the requirements specified in the table below. Gross Horse power Traction Horse Power Continuous Tractive effort Starting tractive effort Dynamic braking effort Gauge Mass Axle mass Max. Speed Max number in multiple 3300 GHP 3000 THP @ AAR 410 kn 500 kn 260 Flat top 1000 mm 110 000kg max Maximum:18,5 ton/axle 100 km/h Multiple with own as well as existing diesel locomotives 3. LOCOMOTIVE CONTROL SYSTEM 3.1 Control Functions and Equipment 3.1.1 The locomotive shall be controlled by a digital control on board computer with integrated cab display screen and electronic controlled brake system. 3.1.2 Load control shall be provided to automatically maintain horsepower output in accordance with the published tractive effort characteristics of the locomotive.

3.2 Electrical Control Cabinet 3.2.1 Sealed, enclosed cabinets, pressurized with filtered air, shall house the locomotive high and low voltage equipment. 3.2.2 Control equipment shall include the digital control system. 3.2.3 A separate cabinet in the engine room shall contain the cooling fan AC control equipment. 3.2.4 All wiring (HV and LV) and connections shall comply with industry standard specifications. Only exane wiring / cables shall be used. 3.3 Digital control system 3.3.1 The Control System will provide the following functionality: Throttle Response Rate Control Excitation Current Control Main Alternator Current Regulation Traction Motor Current Regulation Main Alternator and Traction Motor Voltage Limiting Main Alternator Excitation Regulation Fault Annunciation Wheel Slip Detection and Control Sanding Control Transition Control Dynamic Brake Regulation Dynamic Brake Warning and Motor Field Protection Extended Range Dynamic Brake Control Grid Blower Protection Locked Wheel Detection Engine Temperature Control and Fan Cycling Automatic Ground Relay Reset and Data Logging KWH Recording Extended Locomotive Contactor/Relay Control On-board Operator Interface Display Event recorder with sufficient memory to store operational data for 10 days Distance counter to enable crew to judge the train length

Slow speed control to enable operation from 0.5 km/h Inverter feedback and control 3.3.2 Description of functioning of software, to enable the customer to understand the control system functioning and to perform control system troubleshooting will be supplied to the customer in a format which does not compromise the intellectual property rights of the supplier. 3.3.3 Provision shall be made for future fitment of the antenna bulkhead and antenna on the roof of the drivers cab. 3.4 Inverters cabinet 3.4.1 The inverters cabinet is a service proven ATS product that drives each traction motor individually. IGBT technology is used. Typical Inverter configuration 4. TRACTION MOTORS 4.1 General 4.1.1 Six ABB 400AC traction motors shall be fitted. 4.1.2 The motors shall be 3 phase AC induction motors. 4.1.3 The motors shall be mounted to the axle by means roller suspension bearings. 4.1.4 The Rotor shall be supported by roller bearings. 4.1.5 It shall be possible to cut-out the traction motors 4.2 Cooling 4.2.1 The motors shall be cooled by force ventilation.

5. DIESEL ENGINE AND ACCESSORIES 5.1 Engine 5.1.1 A 16-645 E3B EFI (Electronic fuel injection) engine set shall be fitted. 5.1.2 The 16-645 E3B EFI engine performance is well documented in the industry and will be equipped with premium power assemblies, Electronic fuel injectors and bolt on stub shaft crankshaft. 5.1.3 The engine feedback through the electronic governor will feed back directly to the control system for affective load control and horse power management. 5.2 Main Generator 5.2.1 AR10D14 OR CA6 generator shall be fitted 5.2.2. The engine-generator set will supply the specified output as indicated in previous sections. 5.3 Air Intake Filters 5.3.1 The primary filters shall be inertia type filters 5.3.2 The secondary filters shall be paper filters 5.4 Exhaust 5.4.1 Series connected manifolds discharging into the turbine of turbocharger. 5.4.2 The exhaust will be fitted with a screen and inspection cover. 5.5 Fuel System 5.5.1 The fuel system is an integral part of the engine, with the required control and safety features. 5.6 Cooling System 5.6.1 Cooling capacity for site conditions. Automatic derate will occur in adverse conditions. 5.6.2 Two radiator banks shall be fitted. 5.6.3 Low water pressure protection shall be provided. 5.6.4 Two 9 blade electric fans with a diameter of (48 inch) shall be fitted.

6. BOGIES 6.1 Design 6.1.1 The locomotive shall be equipped with two fabricated three axle, three motor bogies suited for cape gauge. 6.1.2 Vertical center axle dampers will be provided on bogie to dampen vertical movement and will comply with ROA ride index. 6.1.3 The traction motors shall be fitted uni-directionally to provide highest available adhesion characteristics. 6.2 Axles 6.2.1 New solid forged carbon steel axles conforming to current AAR material specifications shall be fitted. 6.3 Wheels 6.3.1 Rolled, one piece, heat-treated, rim quenched shall be fitted. 6.3.2 The wheel diameter shall be 914 mm. 6.3.3 The wheel treads shall be finished smooth and concentric. 6.3.4 The wheel profile shall be per customer requirements 6.4 Journal Boxes 6.4.1 The locomotive shall be equipped with journal boxes suited for F type taper roller bearings. 6.4.2 The bearings shall be new sealed grease lubricated Timken roller bearings. 6.4.3 Journal box pedestal guides shall be fitted with renewable steel wear plates. 6.5 Pedestals 6.5.1 The pedestals shall be fitted with nylatron pedestal liners bolted to the frame. 6.6 Interlocks (Safety Hooks) 6.6.1 Under frame to bogie interlocks (safety hooks) shall be provided serving as antislung device in case of derailment.

6.7 Gears 6.7.1 The ratio of main gear to pinion shall be 5,177 as required for a speed of 100kph. 6.7.2 The gears shall be lubricated by Mobil gear lube synthetic oil or soft pack crator 5 or similar. 7. BRAKE RIGGING 7.1 Brake Cylinders (unitized compact) 7.1.1 The bogies shall be fitted with Knorr unitized brake cylinders mounted directly behind every wheel. Two spring applied park brake units per bogie 7.2 Bogie Brakes 7.2.1 Single shoe type brake rigging provided with the unitized brake units mounted directly on bogie behind every wheel. 7.2.2 High friction FIP composition brake blocks shall be fitted to each brake shoe. 7.2.3 All pins and bushings shall be hardened and ground. 7.3 Slack Adjusters 7.3.1 Automatic slack adjusting integrated in the unitized brake units. 7.4 Park Brake 7.4.1 A Park brake shall be provided on two axles. 7.4.2 The park brake shall be spring applied air release. Manual release provided. 7.4.3 Both bogies shall be capable of being equipped with the park brake units. 8. COMPRESSED AIR AND VACUUM SUPPLY 8.1 Air Compressor/Exhauster 8.1.1 A new Compressor/Exhauster model (Gardener Denver WBO-WCN) shall be fitted. Shaft driven 8.1.2 The compressor / exhauster shall be fitted with two water cooled compressor cylinders. One low pressure and one high pressure cylinders. Two vacuum cylinders 8.1.3 The compressor shall be provided with disposable intake air filters.

8.2 Brake Piping 8.2.1 Wrought steel pipe with AAR fittings shall be used. 8.2.2. All piping shall of appropriate schedule specified by the AAR air system diagram. 8.2.3 Standard SAE fittings shall be fitted. 8.3 Main Air Reservoirs 8.3.1 The total capacity of the two reservoirs shall be 850 liters. 8.3.2 Each reservoir shall be fitted with a filter. 8.3.3 Each reservoir shall be fitted with a automatic drain. 8.3.4 An air dryer shall be fitted. 8.3.5 A suitable delivery isolating cock, located in an accessible position, shall be fitted in order to isolate the reservoir(s) from the apparatus it is supplying. 8.3.6 There shall, however, be no isolating cock between the compressor and the first air reservoir but a non-return valve shall be fitted to the input side of both the main and the control reservoirs. 8.3.7 A safety valve(s) capable of discharging at a rate not less than the total rate of generation of the system it protects, and sufficient to prevent the pressure within the system at any time exceeding the maximum working pressure by 10%, shall be provided. 8.3.8 Tell-tale holes shall comply with OSH act. 8.3.9 Information to be stamped on: a) Reservoir serial number. b) Authorised maximum working pressure. c) Hydraulic test pressure. d) Date hydraulically tested. 9. COMPRESSED AIR AND ANCILLIARY SUPPLY 9.1 Air horns 9.1.1 Two sets of two tone air horns that point to both directions of travel shall be fitted. These horns will be operated from the driver and assistant positions

10. BRAKE SYSTEM 10.1 System Design 10.1.1 An electronic brake rack compliant with AAR direct release shall be fitted. 10.1.2 Detailed schematic drawing of the compressed air systems, including the brake system, offered which will clearly indicate all the valves and devices that will be supplied as well as pipe sizes shall be provided 10.1.3 In addition, clear and detailed descriptions of the functioning of all valves and devices shall be submitted. 10.2 Driver s Brake Gauges 10.2.1 A digital display unit that indicate the brake gauge pressures shall be fitted. 10.2.2 The DDU shall be modified to incorporate slow speed functionality 11. COUPLERS AND DRAWGEAR 11.1 Couplers 11.1.1 Each end of the locomotive shall be equipped with UIC Screw couplers and buffers. 11.1.2 The couplers shall be UIC Screw/Hook type couplers. 11.1.3 Uncoupling device shall be arranged to operate safely from either side of the locomotive. 11.1.4 A light shall be fitted to make enable safe and effective usage at night. 11.1.5 Emergency coupling capability can be provided if needed. 11.2 Draft Gear 11.2.1 New rubber draft gears shall be fitted. 12. UNDERFRAME 12.1 Under Frame 12.1.1 The underframe will be according to service proven design. The structural capability shall be to FEA report findings for the underframe, which is expected to meet design requirements. 12.1.2 To ensure safety of personnel the running boards and end walk ways shall be provided with non-slip surfaces and long hood handrails. 12.1.3 All holes in underframe for cables and pipes will be cleanly done to avoid high stress values / concentration.

12.2 Flooring 12.2.1 The compartment flooring shall be made from sheet metal. US standard rubber flooring with vinyl top surface shall be provided. 12.3 Jacking Pads 12.3.1 Jacking pads and cable sling hooks shall be provided near each bolster on the side sill for jacking and lifting purposes. 12.3.2 Substantial lifting brackets shall be provided on the locomotive body underframe for the purpose of lifting the body or complete locomotive with cranes by means of crossbeams and slings. These lifting points will be similarly located when compared to other locomotives for compatibility purposes. However, the lifting points will be as close as possible aligned with the bogie centres. The position of the lifting points shall be indicated on the general arrangement drawing. 12.3.3 With uniform loading during the lifting and jacking operations, no permanent deformation shall take place. 12.3.4 Jacking pads shall be provided on the under frame for the purpose of lifting the locomotive on to the track by means of jacks in the event of a derailment. 12.4 Platform Steps 12.4.1 Platform mounting steps shall be provided at both ends, A and B-sides. 12.4.2 A light is fitted to make safe usage at night possible. 12.4.3 The tread plates shall be painted yellow. 12.5 Handrails 12.5.1 Hood mounted handrails shall be provided to allow safe movement of staff on the platforms of the locomotive. 12.5.2 The A & B side platforms shall be fitted with a full-length handrail. 12.5.3 The handrail shall be removable in sections to ease maintenance activities. 12.6 Fuel Tank 12.6.1 A 7000 liter full capacity fuel tank shall be fitted below the underframe. 12.6.2 The tank shall be built of heavy gauge steel. 12.6.3 Sufficient baffle plates shall be fitted to limit diesel splash. 12.6.4 One filling point shall be available on each side of the locomotive. 12.6.5 The fuel tank shall be equipped with:

Venting and cleanout plugs Handless plugged drain valve Two approved fuel gauges, one on each side of the tank 12.7 Cow catcher 12.7.1 Full width cow catchers shall be fitted at both ends. 12.8 Sandboxes 12.8.1 Inboard and outboard sand boxes (8) shall be fitted. 12.8.2 Sanding shall be available in both directions of travel on each bogie. 12.8.3 All sandboxes are identical. 13. BODY 13.1 General 13.1.1 A narrow long hood and cab forward with large cab windows that provide suitable vision for either direction of operation shall be provided. 13.1.2 Painting of the locomotive shall be done to the latest customer corporate painting diagram. Provision for 2 colours & decals 13.2 Drivers Cab 13.3.1 An low noise (Sealing and noise insulation) cab shall be provided with right driving position. 13.3.2 The floor shall be elevated above the top of the under frame. 13.3.3 Rear doors shall be provided to walkways alongside the hoods and one in front. 13.3.4 All cab-windows will be pre-framed for quick and easy replacement / maintenance. The cab windows shall comply with FRA standard 49 CFR 223 and will be tinted on the inner surface. The windshields shall comply to FRA 1 and the other windows to FRA 11. The sliding windows will seal properly with no draughts or rattles and will have internal latches. 13.3.5 The cab shall be a fabricated steel construction. 13.3.6 All front and rear windows and doors shall be fitted with safety glass. 13.3.7 The cab doors fitted shall be provided with an inside latch and a lock. Both doors are fitted with a barrel bolt in the inside of the drivers cab.

13.3.8 The drivers cab outlay shall be a clean cab design with no harmful protrusions. It will however be based on the design and outlay of the forward cab design. Concept layout of cab 13.3.9 The driver s cab shall be fitted with the following components / equipment: Air conditioner (designed for comfortable inside conditions with ambient temperature of 45 C and 2 people in cab) Electric refrigerator Hot plate One main chair and one assistant chair. Driver s desk Drivers display Heater Window blinds (pull-down type) fitted to front and side windows Wipers. Driver power and dynamic controls Driver pneumatic brake controls 13.3.10 Radio. Space provision only. 13.3.11 The ceiling and side walls of the cab shall be lined with perforated metal sheet backed up by insulation as a protection against both heat and sound. An alternative industrial lining will be considered if required. 13.3 12 A role switch type drivers control handles shall be fitted to the left side of the driver. The dynamic brake control form part of this switch. 13.3.13 The brake handles shall be fitted to the left hand side of the driver.

13.3.14 The two floor mounted upholstered cab seats shall have forward and backward as well as height adjustments. Seats to be Seat connection (Rail regulator approved) or similar 13.3.15 Driver seat shall be able to be turned 180 degrees. 13.3.16 Sliding arm rests shall be provided at the side windows. Additional armrests incorporated in the seats. 13.3.17 Cab lighting shall be such that reflection is minimised. 13.3.18 Time table lights will be provided for both crew members to enable completion of documents without effecting night vision. 13.3.19 A warning light for the vigilance system will be provided. 13.3.20 A cab layout drawing will be provided to customer for comment as part of the design process. 13.3 Hoods 13.3.1 The rear (long) hood shall consist of a removable center hood section and a permanent end hood section. 13.3.2 The removable center hood section shall be provided with suitable roof mounted doors and hatches to enable maximum accessibility for removal of equipment and power components. 13.3.3 Side doors shall be provided on both sides of the hood for servicing. 13.3.4 The permanent end hood section shall contain the engine cooling radiators and shall enclose the cooling fans. 13.3.5 All compartments shall be fitted with light bulbs that enable maintenance and operation staff to perform their duties. 13.5 Headlight 13.5.1 The locomotive shall be fitted with twin sealed-beam headlights on the front and rear of the hoods. 13.5.2 A bright and dim switch shall be fitted for each light in the drivers cab. 13.5.3 Both ends shall be fitted with red and white LED type marker lights 13.5.4 Additional ditch lights shall be fitted at a lower level to make the locomotive more visible at rail crossings in the front and the rear of the locomotive. 13.6 Hood Doors 13.6.1 All side doors shall have outside hinges and latches.

13.7 Car body Filtration 13.7.1 New inertial filter cells shall be fitted to filter air for compartment pressurization and cooling. 13.7.2 The filters shall be hood mounted in a separate compartment behind the toilet. 13.7.3 The separated contaminants shall be blown out by an AC fan. 13.8 Toilet 13.8.1 N/A 13.9 Auxiliary Generator 13.9.1 An 18 KW AC generator shall be fitted. 13.10 Air Conditioner 13.10.1 The air conditioner shall be a split unit to reduce noise. The pump and condensers will be fitted outside of the cab. The evaporator with low noise fans will be fitted in the front of the cab with directional air flow control for both the driver and the assistant. 13.11 Storage Battery 13.11.1 A ventilated battery storage box shall be provided. 13.11.3 The set shall consist of 32 cells, 64 volt and have a 420-ampere hour capacity (8 hour rating). 13.12 Cooling System 13.12.1 New 6 rows mechanically bonded, radiator shall be fitted at the rear of the long hood. 13.12.2 The radiator shall be cooled by two 48 inch 9 blade AC motor driven cooling fans located above the radiator. 13.12.3 A water cooled oil cooler and water tank shall be mounted as a unit directly in rear of the governor end of engine. 13.12.4 The system shall include automatic water temperature control, hot engine alarm, and engine shutdown in the event of low water level. 13.12.5 A water fill system that does not require opening of the pressure cap shall be provided. 13.12.6 The cooling will be sufficient for site conditions.

13.13 Dynamic Braking 13.13.1 The dynamic brake resistors shall be mounted in hood behind the Cooling system (Back of locomotive). 13.13.2 The blower motor assembly shall be two 30 hp direct current unit. 13.13.3 The locomotive will be able to load test onto the dynamic brake grids. 14. POWER SYSTEM 14.1 Locomotive Control 14.1.1 Traction motors shall be connected one per inverter. 14.1.2 High voltage circuits shall be safeguarded by a ground protective relay. 14.1.3 The locomotive shall have full range wheel slip control with automatic sanding under wheel slip or slide conditions. 14.1.5 The locomotive shall be fitted with a manual-sanding paddle. 14.2 Generator Excitation 14.2.1 Excitation of the main generator shall be supplied from the alternator through IGBT Field control unit. 14.2.2 IGBT controlled panel shall be fitted. 15. SANITARY 15.1 Refer to 13.8 15.2 Toilet can be provided. 16. SAFETY 16.1 Train Working Regulations Interaction 16.1.1 Provision for the following safety/human features shall be provided: a) Adjustable rear view mirrors b) Dual tone warning horns in both driving directions shall be fitted. c) Intelligent vigilance system (speed dependent). Provision for change over switch to enable different timings to be applied for driver only operation. d) Headlights e) Taillights f) Coupler lights g) Step lights

h) White Ditch lights shall be fitted at a lower level to make the locomotive more visible at rail crossings on both ends of the locomotive. i) Radio (Custormer provided) j) Emergency lamp brackets k) Danger decals l) Emergency coupler attachment m) One dry powder type fire extinguisher shall be fitted in the drivers cab. n) One dry powder type fire extinguisher shall be located in engine compartment. 16.2 Cab Noise Levels 16.2.1 The cab noise levels shall be less than 82db measured over a weighted average of 8 hours. 16.3 Fuel Cut-off 16.3.1 Electric emergency fuel cutoff shall be available at each side of fuel tank and in cab. The engine shall stop immediately when operated. 17. WARRANTY All parts have a two year conditional warranty. Standard terms and conditions apply.

18. TRAINING & MANUALS 18.1 Training 18.1.1 Training will be provided as required. The detail will be finalized during commercial discussions with customer. 18.1.2 Additional follow up training could be provided through video conferencing as required. 18.2 Manuals 18.2.1 The following manuals will be provided in digital format (PDF) Locomotive maintenance manual Replacement parts manual Driver s operating manual Speed tractive effort curves Dynamic brake characteristic curves Electrical and pneumatic schematics A train-the-trainer program for operations and maintenance staff

0 10 20 30 40 50 60 70 80 90 100 110 120 Braking effort (kn) Tractive effort (kn) APPENDIX A: Tractive effort and braking effort curves To be finalized during settlement of details 600 500 400 Continuous tractive effort 410 kn 15 kph 300 200 100 0 0 10 20 30 40 50 60 70 80 90100110120 Tractive effort Graph Speed (km/h) 300 250 200 150 100 50 0 Braking effort graph Speed (km/h)

APPENDIX B: General arrangement drawing.