Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 CONTENTS Sl. No. DESCRIPTION 1. Cover page 2. Documents/information to be furnished alongwith offer 3. Scope of Supply 4. Technical Specifications – Wagon tippler with Side arm charger and Associated Works 5. Technical Specifications – Dust Suppression System 6. Technical Specification For Hydraulics 7.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 GENERAL The following Technical Specification shall be read in conjunction with General Technical Specification (GTS) of Bhilai Steel Plant, SAIL and General Specification.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 2.0 SCOPE OF SUPPLY The scope of the supply includes Design, engineering, manufacture, shop fabrication.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 MECHANICAL EPI – New Delhi Volume-2B, Rev.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 3.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (2) One no. Rota-side Hydraulic Wagon Tippler for guaranteed tips/hr. complete with. 20 - Tippler Table with rails, end frame with necessary rack segments, side beam with rubber pads. - Wagon Tippler hydraulic necessary hoses etc. - Hydraulic clamping system with cylinders, power pack, necessary hoses etc. - Vibrator assembly mounted rakes. - All foundation bolts.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 A train of 59 loaded wagons shall be brought in by a locomotive pushing/ pulling and stopped with the leading wagon within range of the Side Arm Charger using track side marker boards (under bidder's scope). The loco will be decoupled and despatched and the charger shall be driven to the leading wagon. It’s arm shall be lowered and it shall be coupled to the first wagon of the train.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 operation with respect to operational & safety requirements. Easy access, adequate maintenance spaces, working platforms, inspection covers shall be provided for all the equipment located in the Side Arm Charger for safe and quick maintenance. All edges and openings shall be provided with guards. Chequered plates on floor shall be provided to prevent slipping.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 Duty Power supply Travel Drive : : : 24 hrs/day (continuous) Festoon cable system Hydraulic motor driven through power packs, positive driven through rack and pinion.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 - The drive design shall incorporate controlled hydraulic drive and shall be controlled from remote control post. - The hydraulic system/ components shall be designed / selected so that the working pressure shall not exceed 180 bars. - The bearing shall be of antifriction type and equipped with dust seal. Adequate platforms shall be provided around tippler for ease of maintenance.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 4.0 DUST SUPPRESSION SYSTEM The scope of work of dust suppression system includes: (a) Plain water dust suppression (DS) system of wagon tippler hopper, track hopper & stock piles. (b) Plain water dust suppression system for plough feeders of track hoppers. The dust suppression system shall be integral part of the plough feeders and shall be captive unit of these mobile equipment.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (5) solenoid valves shall be linked with the wagon tippler rotation, i.e wagon tippler position switches and timers rotation. There shall be two water pumps (one working and one reserve). Compressed air station shall be provided for DFDS systems. Standby compressor shall be provided.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (C) Equipment Specification The equipment for "DFDS" dust control system is grouped into two main categories. (1) Main Equipment The main equipment shall include spray bar assemblies fitted with dual-fluid air driven acoustic oscillator atomizing nozzles, pressure regulating units, and flow activation stations for ON-OFF control of the system and instrumentation for auto operation.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 The number of pressure regulating units shall depend upon the position / elevation of spray bars. Generally independent pressure regulating units shall be provided when the elevation of spray bars exceeds 3 m. Further the number of nozzles operating from one PRU should not exceed 6 ~ 8.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 coupled to motor with flexible coupling. Spacer type coupling shall be provided. Pump shall conform to IS: 1520. Pump shall give satisfactory performance at any point on the H-Q curve over a range of 40% of rated flow to 120% of the rated flow. The maximum efficiency shall preferably be within ± 10% of the rated design flow.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 Auto air venting valves shall be provided at highest point of the pipe lines & drain valves shall be provided at lowest points of the pipelines in different segments. Pipe supports comprising pipe shoes, saddles, base plate, clamps & structural members like channels, angles etc.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (RA 1984), Class-2, Dished ends IS:4049 Part-I, 1979 (RA 1991).
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 5.0 (A) HYDRAULICS Facilities to be provided in the Hydraulic Power Pack Room. Hydraulic power pack shall be installed in room where adequate provisions are made to keep ambient air free from dust, moisture and ambient temperature shall be kept below 350C. Adequate facility shall be provided for handing of equipments/ components installed in the power pack room. Adequate illumination.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (I) All the hydraulic system shall be provided with dedicated oil purifier. The oil purifier (vacuum dehydrator type) shall be capable to remove undissolved as well as dissolved water and solid containments from the hydraulic oil of the system in a reasonable time to the desired level.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (O) HYDRAULIC PIPE COMMISSIONING LINE ERECTION, TESTING, PICKLING, FLUSHING AND Hydraulic pipe work shall be assembled, pressure tested, pickled, flushed and commissioned as per piping instructions given by the system designer / consultant.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 2) 3) Pumps speed shall be 1500 rpm. Electrical motor pump shall have 25% reserve power over and above required for operating the pump at working pressure and flow. The number of standby pumps shall be as follows: Up to 3 nos. working pumps standby : For 4 to 6 nos. working pumps : standby 4) The following cleanliness 1 no. 2 nos.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 ELECTRICAL & INSTRUMENTATION EPI – New Delhi Volume-2B, Rev.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 6.0 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL ILLUMINATION FOR WAGON TIPPLER & SIDE ARM CHARGER (A) General & This section covers major features of Power Distribution System, ShopElectrics, Drives, Control, Automation and Illumination System to be supplied by bidder for the Ore Handling Plant Part-B Complex.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (2) Wagon Tippler and Side Arm Charger (i) (ii) (iii) Variable Voltage Variable Frequency Converters (AC Drives): - AC drives shall have communication facility with PLCs for data transfer and speed reference set point.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (iv) including arm positions etc. and also for down stream equipment of wagon tippler. A control desk shall be provided also on the side Arm Charger. Remaining features shall conform to General Technical Specification. Weighing System : Microprocessor based weighing system shall be provided.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 The loaded wagon to be tippled will be decoupled manually from the rest of the rake and the person doing the decoupling operation will press a switch installed near-by to indicate to control room that decoupling operation is complete. Subsequently, pulling of the wagon by SAC, placing it on wagon tippler, return of SAC to wagon rake for start of next cycle, tippling of wagon by wagon tippler etc.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 Bidder shall also furnish soft copies of all the drawings indicated below and drawings of technological layout/units. All design, engineering and manufacturing drawings shall be required to be approved by Purchaser/Consultant. Work shall be carried out exactly as indicated on the approved drawings and specification. No alterations shall be made without prior written approval by purchaser / his consultant.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 13. Tentative Equipment layout in electrical premises with tentative dimensions of all panels. 14. List and capacity of emergency loads and their feeding arrangement. 15. Automation system configuration with list and details of hardware. Details about numbers & locations of RI/O panels & count of Inputs & outputs of various types considered.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 15. Electrical Equipment Layout of all electrical rooms, control rooms indicating panel dimensions, space available for future expansion with building dimensions. 16. General arrangement of equipment with plan, front view and sectional views, comprehensive bill of materials with description, quantity, make and type. 17.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 13. Interplant cable route drawings. 14. Layout of cable trays in cable cellars inside the substation & other electrical premises, cable channels, cable tunnel, overhead cable structures, cable shafts etc. 15. Cable layout drawings in cable tunnel, cable channels, overhead cable structure (as applicable), and incoming cable route etc. 16. Power & control cable schedules 17.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 21. Operation and maintenance manual. 22. Detailed technical literature / catalogue of manufacturers. 23. Graphic display sheets, report/data generation, fault listing etc. 24. Terminal plan drawings 25. System grounding/ earthing scheme. 26. Application software program listings with detailed documentation. 27. Ladder Logic diagram /Statement Lists and software details. 28.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 1. Log sheets indicating daily/hourly recordings of power system parameters to be noted down by customers operating personnel. The parameters shall indicate loading of various electrical equipment quality of power supply, energy consumption of various units, energy consumption and maximum demand of the plant. 2. Preventive maintenance schedule for equipment. 3. Procedure for shut down and energisation. 4.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 3. Overall General arrangement drawings & sectional views of various cabinets, panels, consoles, etc., showing internal disposition of all components/ units, with dimensional details and bill of materials. 4. Interfacing details for interfacing with mail PLC. 5. Single line power supply diagram with specification and bill of quantities of electrical accessories. 6.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 7.0 TECHNICAL SPECIFICATION FOR MOTORS 1 2 Low voltage squirrel cage induction motors : Low voltage slip ring induction motors (Only for cranes and mill duty):- Sl.No. 1.0 2.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (iii) (iv) 4.0 Rotation Earthing stud Cooling 5.0 (i) (ii) (iii) Quality of operation Vibration intensity Noise level Balancing 6.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 4 pole (unless specific drive requirement or economics call for other poles). (xviii) No. of Poles (xix) Testing (xx) Mounting Sl.No. 1.0 Parameters Standard Description IPSS:1-03-001-92, IPSS 1.03-004-93 , IS 325 , IEC 34 & IEC 72 2.0 Application Slip ring induction motors shall be used only for drives of charging cranes .
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (vii) Slip rings − All motors to have continuously rated slip rings. − Phosphor bronze or steel slip rings shall be provided .Cast iron slip-rings shall not be used . − Brush holders shall be in a complete assembly unit . − Slip ring unit shall have a cover with inspection window .
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 7.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (xxiii) Mounting (xxiv) Derating Normally horizontally foot mounting . Other type of mounting as per specific requirement . Motors shall be derated considering all the factors − variation in voltage and frequency . − Ambient temperature − Thermal ability due to constant and variable losses of the motor − Type of load driven 03. HIGH VOLTAGE SQUIRREL CAGE INDUCTION MOTORS Sl.No. 1.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 xiv) RTD & BTD ( PT100 type) xv) Vibration monitoring xvi) Paint shade 3.0 i) ii) iii) Terminal box Protection Type Location iv) Winding star point v) Suitability vi) Reversible vii) Earthing stud viii) No. of terminal boxes ix) Fault withstand (Min.) 4.0 Cooling EPI – New Delhi − All motors shall be provided with Bearing (DE & NDE) temperature detectors and 6 nos.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 5.0 i) ii) Quality of operation Vibration intensity Noise level iii) Balancing 6.0 i). ii) iv) v) vi) vii) Electrical design Efficiency Starting Min Voltage for Start & Run Starting Torque Starting current Duty Starts permissible viii) Starts / hour ix) x) xi) xii) xiii) Max speed permissible Differential protection Insulation Insulation Material Minimum Permissible temperature rise Space Heater No.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 iv) v) vi) vii) viii) ix) Motor body Casing Feet Body Design Protection for Motor & Bearing Shaft Bearings (below 1000kW ) Bearings (1000kW & above) Grey iron casting as per IS:210-1978 Integral with the motor frame Prevent breakage or other failures due to vibrations normally encountered in heavy industries IP – 55 as per IS 4691-1985.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 iii) Location − RHS viewed from DE / On top − 01 nos. each on opposite sides of motor in case of Differential Protection (or not) / Neutral TB opposite to main TB v) Suitability − Termination of XLPE cables with heat shrinkable cable end seals. − Each terminal box to have two inlets to accommodate any parallel cables as required. vi) Reversible vii) Earthing stud viii) No.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 7.0 Excitation method 8.0 Automatic system power factor correction. 9.0 Motor synchronism protection 10.0 Insulation class 11.0 Locked rotor withstand time 12.0 Starting method 13.0 Space Heater EPI – New Delhi Brushless excitation system (Integral exciter and rotating rectifier assembly to eliminate the need for brushes and slip rings both on exciter and motor respectively) .
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 8.0 1.0 TECHNICAL SPECIFICATION FOR VARIABLE FREQUENCY DRIVE (VFD) Basic design particulars - - - - 2.0 Drive controller technology - EPI – New Delhi Digital control with vector control technology (with / without PG as per requirement) . IGBT based with sine coded PWM control. VFD shall communicate to basic automation system on system communication bus .
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 3.0 Type of connection 4.0 Overload capacity 5.0 Efficiency 6.0 Input power supply 7.0 Voltage variation 8.0 -Three full wave diode rectifiers supplied by phase shifted, three phase AC to provide a fixed DC voltage. -DC bus inductor on all ratings -DC link capacitors -Insulated Gate Bipolar Transistor (IGBT) power section, shall be rated for variable / constant torque applications.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 voltage 9.2 Reference signals 9.3 Loss of reference 10.0 Output 10.1 10.2 Output voltage Output frequency From 0 to rated motor voltage . 0.5 -400 Hz. 10.3 10.4 Output Waveform Output frequency resolution Sinusoidal 0.01 Hz. 11.0 Reflected wave 12.0 Starting torque Maximum of 3.15 times the bus voltage or 1600V, whichever is less, up to cable lengths of 200 metres. 150 % / 0.3 Hz.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 18.0 Load side components 19.0 Terminal blocks 20.0 By-pass Arrangement 21.0 Diode Bridge 22.0 Input / Outputs 23.0 Protective features 24.0 Annunciations EPI – New Delhi -Filter network -Electronic over-load relay for each motor (with display). -Line contactors in output side (if required). -Output reactor / terminator (if required) -Separate for control and power wiring.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 -Instantaneous over current -Transformer fault ,If applicable -Cooling fan failure – Stall monitor for motor alarms -Motor fault (winding / bearing temperature, vibration) as applicable -Loss of frequency command -Shall be able to store at least 16 previous faults in memory on FIFO sequence .
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 30.0 Regulation & control facilities 32.0 Remote control facilities 33.0 Auto / Manual Mode 34.0 Communication Bus 35.0 Test points 36.0 Operator panel 37.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 38.0 LCD display -Display shall be black lighted , enabling viewing in extremes of lighting conditions -Display shall be in alphanumeric (in English only) -21 characters , 7 lines . -All the faults stored in memory shall be displayed by scrolling . 39.0 Construction features 40.0 Enclosure and ventilation -Floor mounted, free standing -Dust and vermin proof -Sheet steel clad -Minimum 2.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 9.0 TECHNICAL SPECIFICATION FOR STAND ALONE STARTER A. General : 1.0 Type -Metal clad . -Non drawout type. 2.0 Construction -Modular construction . -Fully compartmentalized with metal / insulating material partition. 3.0 4.0 Enclosure class Type of execution IP52. Single front. 5.0 Mounting -Floor mounting. -Free standing with ISMC 75. 6.0 Installation Indoor. B. Constructional Features : 1.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 4.0 5.0 6.0 Neutral Busbar Rating Short circuit rating 50 % of phase busbar rating 50 KA for 1 sec. Busbar configuration Busbar insulation Red-yellow-blue from front to back or top to bottom or left to right as viewed from front. Heat shrinkable PVC -R,Y,B coloured sleeves for phases -Black for neutral. 8.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 5.0 6.0 Intelligent motor controller Motor protection relay (for non intelligent panel) 7.0 Auxiliary contactors -As defined in clause no. 1.02.08 . -Microprocessor based. -Suitable for 5A & 1A Protections • Short circuit • Overload • Earth fault • Stalling protection • Undervoltage • Overspeed • No.of starts per hour (cold & hot) -Communication facility with PLC.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 10.0 SPARES (A) Commissioning Spares and Insurance Spares Supply of commissioning spares and insurance spares as required shall be in scope of supply of the Bidder alongwith the equipment. The list of commissioning spares and the insurance spares as per the format as given in SBD shall be furnished alongwith the tender.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 • Item designation • Reference drawings • Quantity installed • Quantity recommended for two years’ normal operation including the insurance spares • Weight of each spare part • Supplier or sub-supplier’s catalogue number • Recommended minimum stock • Expected replacement time • Installation instruction in detail shall be supplied both for original installation and future, for replacement o
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (7) All tools and tackles, apparatus, special instruments required for erection, testing, commissioning and establishment of the Performance Guarantee Test, measurements required for establishing the pollution control norms and such other instruments, as required, shall be arranged by the successful Bidder.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 DATA SHEETS EPI – New Delhi Volume-2B, Rev.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 11.0 TECHNICAL DATA SHEET (To be filled by the vendor) (A) TECHNICAL DATA SHEET (Mechanical) The Bidder shall also fill up the following questionnaire and submit with his offer. This data shall form a part of the contract with Successful Bidder. (1) Wagon Tippler a) Make and type : b) Material of construction of main parts/units in the part list. : c) Type of wagons that can be handled at a time.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 q) Characteristics of main units like cradle, rail table, top and side clamping device, locking gear, spill plate, liner plates (if any). : r) Mode of control : s) Safety features as envisaged : t) Type of lubrication arrangement provided : u) Gross weight and weight of the single heaviest part. : v) Special feature (if any).
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (n) (p) (q) (r) Static weight and dynamic weight : Accessories : Weight : Performance curve : Nozzle : (a) Make (b) Dia (c) (d) (e) : : Water spraying cap.& Pr. r equired : Material of construction : Weight : Valve : (a) Make & type (b) (c) (d) : Material of Construction Weight Dia Pipe : (a) Make (b) Material (c) Dia (d) Thickness (e) Weight, kg/m EPI – New Delhi : : : : : : : : Volume-2B, Rev.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 (B) TECHNICAL DATA SHEET (Electrical) MOTOR 1 Project : 2 Make : 3 Driven Equipment 4 Motor Tag No. : 5 Quantity : 6 Voltage With Variation : 7 No. of Phases/Connection/ : No of Terminals 8 Frequency With Variation : 9 Fault Level (Mva) & Duration : : 10 Motor Type And Duty : 11. KW RATING/POLE : • At 40 Deg.C. : • At Specified Ambient Temp.: • With Derating.
Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works NRO/CON/WT/533 24 Gd Square of Motor : 25 GD Square Of Driven Equipment: 26 Weight Of Motor : 27. Power Factor at (i) 50%Load : (ii) 75%Load : (iii) 100%Load : 28. Efficiency at (iv)50%Load : (v) 75%Load : (iii)100%Load : 29 Space Heater Watts/Volts : 30 Terminal Box Type & : No. of Terminals 31 No.
