Part B
Contents
1. 5 Size amp weight carrying capacity of the ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS 6 Performance of the equipment Satisfactory Good Average Strike off whichever is not applicable Not Satisfactory 7 After Sales Service i Satisfactory Good Average Not Satisfactory 8 Any other remarks Date Signature amp Seal of the Authority issuing the Performance Certificate COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Page No 1 1 0 Clause 1 0 PARTICULARS AND BHEL SPECIFICATION APPLICATION a For use in heavy fabrication of Pressure Vessels and Heat Exchangers which are cylindrical in shape and welded with attachments and nozzles Vendor to note BIDDERS OFFERWith 2 0 Scope of Supply Supply Erection and Commissioning of A 10 T capacity Electronically controlled Variable Speed Self Centering Rotators 1 Set B 25 T capacity Electronically controlled Variable Speed Self Centering Rotators 1 Set C 50 T capacity Electronically controlled Variable Speed Self Centering Rotators 1 Set The Rotator has to be supplied in Pair consisting ofOne Drive Unit and One Idler Unit in combination to able to make butt joints of long shells and alsoshould able to rotate the job in either direction which includes a Detailed Design Manufacture and supply as per BHEL specifications Assembly and Testing2. 16 hours c RotatingCapacity in Metric Tonshall be painted legibly in each unit Vendor to confirm 7 10 Frame Dimensions BIDDER has to indicate the tentative DIEMSNIONS for the Base Frame of Drive and Idler Units and Wheel Brackets Vendor to provide details 8 0 SPARES SUPPLY BIDDER to Quote for the following spares along with the rotator for two years of trouble free operation a Bearings for each wheel assembly b Seals gaskets amp Belts used in the Rotator c Pulleys amp Couplings used in the Rotator d Variable Frequency Drive for each capacity rotator Vendor to provide a separate un priced complete list of spares COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Page No 8 1 0 Clause 8 1 PARTICULARS AND BHEL SPECIFICATION The following Electrical maintenance tools kit amp instrument 2 Nos for each capacity rotator has to be supplied a Electrical maintenance Tool kit DAYTON make 41 pcs 3 way screwdriver bit socket set DAYTON model no SD 192 HS b MECO make digital Multimeter Model 801 Auto Vendor to confirm BIDDERS OFFERWith 9 0 DRAWINGS DOCUMENTS DETAILS 9 1 Drawings and Documentsafter receipt of P O The following documents and details are to be submitted for BHEL Approval with in one month after the receipt of PO prior to taking up the manufacture of the
3. Details BIDDER to give details on the mode of power transmission Vendor to provide from the electric motor to the gear box driving the rotator wheel along with offer details Gear Box Details BIDDER to furnish complete technical details of the Gear Box used for 3 1 11 Be Vendor to provide mechanical power transmission BHEL prefers vendor to use standard gear boxes rather than f ey details built in gear boxes Planetary Gears not permitted ven ROTATOR IDLER UNIT Weight Carrying Capacity 3 2 1 A 7 50 Metric Tons minimum capacity for design Vendor to confirm B 18 25Metric Tons minimum capacity for design amp provide details C 37 50 Metric Tons minimum capacity for design oe Eccentric Loading 20 of the Job Weight you 9 Confirm Welding return cable connection on the positioner Suitable arrangement to be provided on the idler 3 2 3 unit for connecting the welding return cables and to ensure the proper conductivity of welding Vendor to confirm current through job rotator wheels to the welding machine The maximum welding current to be amp provide details carried is 1200A 4 0 GENERAL FEATURES INPUTS for DESIGN amp FABRICATION of both the DRIVE amp IDLER UNITS Outer Diameter Range of Job approx 4 1 A 400 to 4000 mm Vendor to confirm B 400 to 4000 mm C 500 to 5000 mm amp provide details COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS
4. ROTATORS will be used in the Fabrication Shop floors where the jobs are pre heated post heated to a temperature of maximum 300 C and hence the mechanical parts coming in contact with the jobs are to be designed to withstand this high temperature Vendor to confirm 4 18 Electric Power Input A 3 phase 415 10 V 50 2 Hz AC input supply will be provided at machine terminals Vendor to confirm 4 19 The Main Control Panel shall have the following features a A suitable capacity MCB as Main switch for On Off The MCB shall be operable without opening the control panel door b Indication lamp for the indication of Main On Power On Drive Trip c Emergency Stop Push button d 2 way selector switch for rotator Forward Reverse selection e A single turn POT for setting the RPM f Key type Local Remote selector switch g Sufficient capacity Cooling fan with required Air filter All the electrical components shall be of DIN rail mountable type and the panel shall have IP 54 protection Vendor to confirm COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Page No 6 1 0 Part B Bien PARTICULARS AND BHEL SPECIFICATION BIDDERS OFFERWith 4 20 Ambient Condition Indoor Working Environment with temperature up to 50 C and Humidity up i to 85 but both notoccur simultaneously Hence the offered equip
5. approx with step less speed variation Vendor to Confirm 3 1 5 Wheel Drive Mechanism Electronically Controlled Drive System giving mechanical drives Vendor to Confirm through electric motor Vendor to 3 16 Electric Motor amp Drive AC Motor with suitable Variable Speed Drive to take care of eccentric Confirm amp provide loading and uniform job rotation in either direction The induction motor shall be suitable for VFD motor amp VFD application All the electrical components like motor etc shall be properly earthed details like make model 3 17 Rotator Operation Shall be controllable either from Main control panel or from the hand held remote pendant A Key type selector switch has to be provided for Local Remote selection at Main Vendor to Confirm control panel A hand held remote unit with the following features has to be provided a Remote ON OFF selector switch b Single turn Potentiometer for speed variation Verdorto c Emergency Off Push button 3 1 8 Confirm amp to COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Page No 3 1 0 Part B ae PARTICULARS AND BHEL SPECIFICATION BIDDERS OFFERwWith 3 1 9 The control cables amp power cables shall be routed through metallic cable tray flexible conduit and a Vendor to confirm they shall be properly clamped on the positioner 3 1 10 Electro Mechanical Drive
6. before Dispatch Supply of Electric amp Mechanical Spares Erection Assembly Commissioning and Performance Prove Out at BHEL Training on Maintenance for BHEL personnel mono s Performance Guarantee for 12 months from the date of commissioning g O amp M Manuals and related documents Vendor to Confirm 3 0 TECHNICAL SPECIFICATIONS 3 1 0 ROTATOR DRIVE UNIT 3 1 1 Weight Carrying Capacity A 7 50 Metric Tons minimum capacity for design B 18 25Metric Tons minimum capacity for design C 37 50 Metric Tons minimum capacity for design Vendor to Confirm COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Page No 2 1 0 d 2 way selector switch for rotator forward reverse operation The remote cable shall be connected to the Main control panel through easily detachable Plug amp sockets and length of the connecting cable shall be 15 mtrs The cable shall be routed through a metallic braided hose and suitable provision shall be provided on the rotator to wind and keep the remote cable safely when the remote is not in use provide the layout sketches Lae PARTICULARS AND BHEL SPECIFICATION BIDDERS OFFERWith Rotating Capacity She se Seely ae Vendor to Confirm C 50 Metric Tons oe Eccentric Loading 20 of the Job Weight Vendor to Confirm Pra Wheel Surface Speed 60 mm to 1200 mm minute
7. ATORS Part B Page No 7 1 0 Clause 7 5 PARTICULARS AND BHEL SPECIFICATION Welded Joint Testing All Fillet Welded Joints shall be subjected to Non Destructive Testing like Liquid Penetrant Test LPI and Magnetic Particle Inspection MPI Testing Documents to be produced for BHEL evaluation and form part of the documentation Random MPI LPI to be shown to BHEL inspectors at the time of inspection at vendor s works Vendor to confirm BIDDERS OFFERWith 7 6 Heat Treatment amp NDT Examination The Structural Items Base Frame Wheel Housing etc shall be Stress Relieved by thermal heat treatment process after welding and NDT examinations All welding shall be tested by NDT means MPI or LPI after Stress Relieving operation Vendor to confirm 77 Machining Operation All mechanical mating sliding surfaces are to be machined and ground to the required finish after heat treatment and protected Vendor to confirm 7 8 Surface Cleaning All steel parts are to be shot blasted or chemically treated for surface cleaning after completion of all operations but prior to painting Vendor to confirm 7 9 Painting The ROTATORs are to be painted as follows a One coat of Primer Zinc Chromate with 25 u of DFT Dry Film Thickness and 48 hours of compulsory curing after painting b Two coats of Enamel Paint Ethyl Zinc Silicate of Colour Apple Green each with a DFT of 25 u and intermittent curing of
8. Bharat Heavy Electricals Limited High Pressure Boiler Plant An ISO 9001 Tiruchirapalli 620014 TAMIL NADU INDIA Company MATERIALS MANAGEMENT CAPITAL EQUIPMENT ENQUIRY NOTICE INVITING Phone 91 431 257 7653 TENDER Fax 91431 2520031 Email skaruna bheltry co in Web www bhel com TWO PART BID Enquiry Number Enquiry Date Due date for submission of Tender to be submitted in 2731300011 dt 28 05 2013 quotation Two Parts dt 28 06 2013 You are requested to quote the Enquiry number date and due date in all your correspondences This is only a request for quotation and not an order Please note that under any circumstances both delayed offer and late offers will not be considered Hence vendors are requested to ensure that the offer is reaching physically our office before 14 00 Hrs on the date of tender opening Item No Item Description Quantity Supply Erection and Commissioning of Variable Speed Self Centering Rotators of the following capacities as per the Technical Specification amp Commercial Conditions applicable to be downloaded from web site www bhel com or http tenders gov in 10 Variable Speed Self Centering Rotators 10 Ton 01 Set 20 Variable Speed Self Centering Rotators 25 Ton 01 Set 30 Variable Speed Self Centering Rotators 50 Ton 01 Set Important Points to be taken care during the submission of offer 1 Bidder s Response Column in technical specification sheet to
9. Page No 4 1 0 Part B Gi PARTICULARS AND BHEL SPECIFICATION PIPER OFFERWith Size of Wheel Diameter X Width approx 4 2 A 400 X 90mm Vendor to confirm B 400 X 140mm amp provide details C 500 X 140 mm ae Wheel Material Solid Steel Forging Vendor to confirm Wheel Contact Surface Hardness 300 350 BHN Vendor to confirm ae Wheel Surface Profile Crowning Surface Vendor to confirm Wheel Adjustment Each wheel assembly with Housing Bracket and Integral Drive Unit 48 shall be movable on the Rotator Base Frame through a manually driven screw rod in Drive Unit Vendor to confirm and Idler Unit It shall be possible to locate and lock each wheel assembly on the Rotator Base Frame at required pitches to cover the job diameter range The drive arrangement to be designed to amp provide details avoid loading on the screw rod while loading after loading the job on the wheels 4 9 Hardness and finish of Base frame slide The sliding surfaces of the base frame in Drive and Vendor to confirm idler units shall be hardened and machined Wheel Alignment The alignment of the wheel face in the plane perpendicular to the wheel shaft TO axis to be maintained within 1mm for the entire stroke of the wheel assembly positions on the base Vendor to confirm frame 4 11 Wheel Positioning There shall be suitable provision for locking the wheel assembly with the base Vendor to confirm frame to prevent movement
10. ROTATORS GA Drawing of the ROTATOR GA Drawing of Wheel Drive Mechanism GA drawing of wheel shifting mechanism in Drive amp Idler Units GA Drawing of Electric Electronic System Sub Assembly Drawing for Wheels Calculations for Selection of Electric Motors Gear Reducers etc Wiring Diagram with Logic Circuits Weight of the ROTATOR Drive Unit amp Idler Unit separately including all Electrical Equipment Note All the drawings should have the major amp critical dimensions and list of bought out items with make and specification po mo ao gs Vendor to confirm COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Page No 9 1 0 Bin PARTICULARS AND BHEL SPECIFICATION PIER OFFERWith 9 2 Drawings and Documentsalong with Equipmentsupply Drawings and Documentsalong with Equipmentsupply Warranty Card for all Bought Out Items a Trouble Shooting Chart for all Sub Systems b Electrical circuit diagram of the panel c VFD drive Programming User manual d VFD drive Parameter manual e Mechanical manufacturing drawings for all wearing components f Operation amp Maintenance manual with complete specification of the equipment and Preventive Maintenance check list 9 2 Note 1 One soft copy of the entire documents stated above to be provided in Pen drive Contd 2 One Hard copy and one soft copy to be submitted at the time of inspectio
11. be duly filled in without fail Additional details provided in the offer may be supported with documentary evidence 2 Check list to be filled and enclosed along with the offer failing which the offer will not be considered for evaluation 3 The equipment shall be guaranteed for 18 months from the date of supply or 12 months from the date of commissioning whichever is earlier BHEL s General guidelines instructions including bank guarantee formats and list of consortium banks commercial terms checklist can be downloaded from BHEL web site http www bhel com or from the government tender website http tenders gov in public sector units gt Bharat Heavy Electricals Limited page Tender Enquiry reference 2731300011 Tenders should reach us before 14 00 hours on the due date Yours faithfully Tenders will be opened at 14 30 hours on the due date For BHARAT HEAVY ELECTRICALS LIMITED Tenders would be opened in presence of the tenderers who have submitted their offers and who may like to be present Engineer MM Capital Equipment Page 1 of 1 Part A COE TI ATP PART A PART A Page 1 of 1 QUALI FYING CRITERIA FOR THE SUPPLY OF ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS AS PER PART B OF TECHNICAL SPECIFICATION SECTION I The BIDDER is expected to give complete details against each clause in the table given below with additional sheets those may be attached giving clear reference num
12. ber to furnish and cover the requisite details documents PARTICULARS BI DDER s RESPONSE BIDDER to provide the Profile of their Company The Bidder OEM shall have a minimum of TEN Years of Continuous Experience in the field of Design Manufacture and Supply of ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS List of customers to whom ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS weresupplied installed and commissioned till date Details on SERVICE AFTER SALES Set Up in India including the Addresses of Agents Service Centres in India Any Additional Data to supplement the manufacturing capability of the BIDDER for the subject equipment Part A COE TI ATP SECTION Il PART A Page 2 of 2 The BIDDER has to compulsorily meet the following requirements to get qualified for submitting an offer for the ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS S No REQUIREMENTS BI DDER s RESPONSE Only those Bidders OEMs should quote who have supplied and commissioned at least TEN SETS OF ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS of capacity 50 000 kg or higher in the past three years on the date of opening of Tender and such machine should presently be working satisfactorily for more than one year after commissioning on the date of opening of Tender The Bidd
13. er should submit following information where the ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS have been supplied 1 1 Name and postal address of the customer or company where similar equipment is installed 1 2 Name and designation of the contact person of the customer 1 3 Phone FAX no and email address of the contact person of the customer 1 4 Month and Year of commissioning of the equipment 1 5 Application for which the equipment is supplied Along with the Technical offer the Bidder should submit the Performance certificates_from the customersfor the satisfactory performance of the equipment supplied as per clause 1 0 above For obtaining the Performance certificate a suggestive format is provided in SECTION IV Offers of only those Bidders who meet the above Qualifying Criteria will be considered for further evaluation BHEL reserves the right to verify the information provided by Bidder In case the information provided by Bidder is found to be false incorrect the offer shall be rejected PART A Page 3 of 3 Part A COE TI ATP SECTION IlI The BIDDER has to comply with the following for accepting the Technical Offer for scrutiny by the Purchaser S No BI DDER s REQUIREMENTS COMPLI ANCE The BIDDER shall submit the offer in TWO PARTS Technical With PART A amp PART B amp Commercial and Price Bid The offer shal
14. l contain a comparative statement of Technical Specifications given by BHEL and the offered details submitted by the Bidder against each clause 2 Merely stating CONFIRMED or COMPLIES or YES or NO DEVIATION or similar words wherever Bidder to Specify details in the technical comparative statement may lead to disqualification of the Technical Offer The Technical Offer shall be supported by product Catalogues amp Data Sheets and also 3 technical details of Bought Out Items with copies of Product Catalogue to the extent possible The Commercial Offer given with the Technical Offer shall contain the Scope of Supply and the Un Priced Part of the Price Bid for confirmation of the inclusion of all the accessories tooling s attachments auxiliary parts spares consumables etc with the main and basic equipment to meet the technical specification requirements 5 BIDDER has to indicate the Country of Origin for the supply of equipment PART A Page 4 of 4 Part A COE TI ATP SECTION IV PERFORMANCE CERTIFICATE On Customer s Letter Head 1 Supplier of the ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS 2 Make amp Model of the ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS 3 Month amp Year of Commissioning 4 Application for which the ELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS is used
15. ment shall be of tropicalised Vendor to confirm in design tao Control Voltage The control Voltage shall be 24 V AC DC Vendor to confirm Bought Out Items a BIDDER has to list down all the Bought Out Items and their makes brand names with technical specifications 5 0 b Bought Out Items Components supplied make shall be ABB SIEMENS GE BALDOR Vendor to confirm KIRLOSKAR for Electric Motors and TIMKEN FAG SKF for Bearings amp provide details c The variable speed drive shall be of ABB SIEMENS ALLEN BRADLEY L amp T Danfoss AMTECH make d The Gear boxes shall be of Greaves Elecon Bonfiglioly us STRUCTURAL FABRICATION 74 Rotator Base Frame and Heavy Wheel Bracket Housing Steel Fabrication Procedures to be Vendorto senna j followed The Base Frame work shall be with steel plates of sufficient thickness including f REINFORCING RIBS provide details 72 Raw Material Only steel plates tested and certified for quality by reputed inspection authorities shall be used Test Certificates to be produced for BHEL verification and Vendor to confirm form part of the documentation i Welded Joints No Butt Joints are allowed for Plate Build Up to increase effective length Vendor to confirm 74 Welding Electrodes For all Welding E 7018 Electrode higher grade shall be used Vendor to confirm COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROT
16. mming troubleshooting and maintenance The boarding amp lodging charges of BHEL personal will be borne by BHEL Vendor to confirm 12 0 PERFORMANCE GUARANTEE The Performance of the ROTATOR in Total and or the Components Sub Assemblies Bought Out Items shall be guaranteed for a period of 12 Months from the date of performance acceptance at BHEL Works or 18 Months from the date of supply whichever is earlier Vendor to confirm 13 0 CHECK LIST COE TI ATP Page No 11 1 0 SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Clause 13 1 The following documents and details are to be submitted along with the Offer for Technical evaluation PARTICULARS AND BHEL SPECIFICATION a GA Drawing of the ROTATOR moos Equipment GA Drawing of Wheel Drive Mechanism GA Drawing of Electric Electronic System Sub Assembly Drawing for Wheels Calculations for Selection of Electric Motors Gear Reducers etc Weight of the ROTATOR Drive Unit amp Idler Unit separately including all Electrical g Documents mentioned in PART A including valid Performance Certificate Note All the drawings should have the major amp critical dimensions and list of bought out items with make and specification Vendor to provide BIDDERS OFFERWith
17. n at Vendor to confirm suppliers works for checking the sufficiency of the documents If any additional requirements are found needed for maintenance it should be provided me Inspection The following Schedule of Inspection is to be carried out prior to dispatch from the Supplier s Works a Verification of Test Certificate for Raw Materials amp Bought Out Items used Vendor to confirm b Random Testing on the Welds by physical examination and NDT c Wheel alignment as per clause 6 10 d Idle Run Test and Test under simulated conditions on mutually agreed e Verification of O amp M Manuals as per clause 9 3 11 0 ROTATOR ERECTION amp COMMISSIONING COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Page No 10 1 0 Clause 11 1 PARTICULARS AND BHEL SPECIFICATION Erection Assembly Erection Assembly of the ROTATORS will have to be done by the Qualified Technical Representative of the Supplier at BHEL Works Vendor to confirm BIDDERS OFFERWith 11 2 Commissioning Commissioning of the ROTATOR and Performance Prove Out for Carrying amp Rotating Capacity and Smooth Functioning of the ROTATOR at BHEL Works shall be the RESPONSIBILITY of the supplier Vendor to confirm The supplier shall arrange training for two BHEL engineers at VFD drive manufacturer s works in India for a period of not less than two days on drive progra
18. of wheel assembly under working loaded conditions amp provide details 4 12 Wheel Shaft Assembly The high grade shafts are to be shrunk fit into wheel assemblies with Loss wa Vendor to confirm shrink disc to eliminate the provision of key arrangement 4 13 Wheel Support Wheels are to be supported on Heavy Duty Roller Bearings Vendor to confirm COE TI ATP SPECIFICATION FORELECTRONICALLY CONTROLLED VARIABLE SPEED SELF CENTERING JOB ROTATORS Part B Page No 5 1 0 Clause 4 14 PARTICULARS AND BHEL SPECIFICATION Lifting Hook Four numbers of Lifting Hook are to be provided at suitable locations for facilitating lifting the entire rotator unit by EOT Crane in a geometrically balanced state Vendor to confirm BIDDERS OFFERWith 4 15 Cover for Gears Suitably profiled steel outer covers with easily replaceable provisions are to be provided for the spur gears to protect from welding flux slag and other foreign particles while in operation The thickness of the cover plate shall be minimum 3mm Vendor to confirm 4 16 Cover for base frame Suitably profiled steel covers with easily replaceable provisions are to be provided to cover the sliding surface top face of the base frame to protect from welding flux slag and other foreign particles falling on it while in operation The thickness of the cover plate shall be minimum 3mm Vendor to confirm 4 17 Job Temperature The
Download Pdf Manuals
Related Search