“Annexure (Technical) –A (Contd) ” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabriactor’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 1.2 Mild Steel Mechanical Test UTS,Yield Stress, Elongation %, Bend test ,Impact test at 0 degree centigrade or-20 degree for zone Chemical Test C, Mn, Si, P,S,CE. Physical condition i.e. Pitting, rusting , rolling defect ,etc. Ultrasonic Testing of plates (100%) As per Mill TC & test required by inspecting official of Zonal Railway from Govt.Lab ./NABL Approved lab. Mill TC and Challan 1.Verification of reference document. 2.Complete visual inspection. RDSO Authorized Inspecting official of Zonal Railway One test piece per thickness per heat. 100% record Co-related with Mill TC & test report. IS: 2062-11, E250 , Quality Bois generally used. However Quality C shall be used for subzero condition. ( As specified in approved Drg.). IS:4225or ASTMA435 Manufacturer’s test certificate shall be furnished. UST shall be conducted as per provision of relevant specification before processing the material for manufacturing. UST after load test shall also be carried out. 1.3 Stainless Steel (S.S.) Physical Test UTS, Yield Stress, Elongation %,Hardness Chemical Test C, Mn, Ni, Cr, P,S, Si, Mo As per Mill TC & test required by RDSO/ Authorized inspecting official of Zonal Railway from Govt. Lab ./NABL approved lab. Mill TC and Challan 1.Verification of reference document. 2.Complete visual inspection. RDSO/ Authorized Inspecting official of Zonal Railway One test pc. Per heat Fabricator records. Stainless steel shall conform to AISI 316 L/x O2 Cr1 7Ni12Mo2 ofIS:6911 Or (Grade/ class As per relevant approved Drg.) Manufacturer’s test certificate shall be furnished. Sample from each lot of S.S shall be drawn by authorize inspecting official and tested in Govt./ NAB L approved laboratory.
“Annexure (Technical) A (Contd) ” 1.4 PTFE (confined & dimpled) Tensile strength % of Elongation At break. Dimensional Stability Resistance to heat Duro meter Hardness Specific Gravity. Density Electric strength (Proof test) Appearance and finish As per manufacturer certificate & test required by RDSO/ Authorized inspecting official From Govt.lab./ NABL approved lab Manufacturer test certificate & Challan 1.Verification of reference document. 2.Complete visual inspection. . RDSO/ Authorized Inspecting official of Zonal Railway One test pc for Full Lot of supply record. Grade A of BS:3784 or equivalent (Grade/ class as per relevant specification /approved Drg.). Manufacturer’s test certificate shall be furnished. Sample from each lot of PTFE shall be drawn by authorize inspector and tested in Govt./ NAB L approved laboratory. 1.5 Elastomer ( Neoprene WRT/ Bayprene110 or equivalent/ Denka Physical properties Hardness (IRHD) Minimum Tensile Minimum Elongation at break(%) Max. Compression set(%) Accelerated ageing Max.change in hardness. As per Mill TC & tests required by RDSO/ Authorized Zonal Railway inspecting official from Govt.lab/ NABL Approved lab Manufacturer test certificate & Challan Verification of reference document. RDSO/ Authorized Inspecting official of Zonal Railway - From each batch at Random record. IRC:83 (Part-III) &(Part-II) andIS:3400 (as per relevant test procedure) Test certificate shall be furnished by manufacturer. Sample from each lot of Elastomer as prescribed in specification shall be drawn by authorize inspecting official of RDSO /Zonal Railway and tested in Govt. /NAB L approved laboratory.
“Annexure (Technical) A (Contd)” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabricator’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 Max. change in tensile strength. Max.change in elongation Chemical Test Ash content shall not exceed 5% The ( Content of the compound shall not be lower than 60%. Sp. Gravity As per Mill TC & tests required by RDSO/ Authorized Zonal Railway inspecting official from Govt.lab/ NABL Approved lab Manufacturer test certificate & Challan Verification of reference document. Inspecting official of Zonal Railway From each batch at Random record. IRC:83 (Part-II) &IS:3400(as per relevant test procedure) Test certificate shall be furnished by manufacturer. Sample from each lot of Elastomeric as prescribed in specification shall be drawn by authorize inspecting official of RDSO/ Zonal Railway and tested in Govt./NABL approved laboratory. 1.6 Brass sealing Ring Physical properties Tensile strength (N/mm2), Elongation % Bend test ickers Hardness Chemical Test Cu ,Pb, Feand total Cu+Pb+Fe & RemainderZn As per Mill TC & tests required by RDSO/ Authorized Zonal Railway inspecting official from Govt. lab /NABL approved lab Manufacturer test certificate & Challan Verification of reference document. RDSO/ Authorized Inspector appointed by Zonal Railway One test pc for full Lot of supply record. (HB) Or (Grade/ class As per relevant approved Drg.). Test certificate shall be furnished by manufacturer. One sample for full lot of sealing ring supply shall be drawn by RDSO/ Authorized Zonal Railway inspecting official and tested in Govt./ NABL approved laboratory.
“Annexure (Technical) A(Contd)” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabricator’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 1.7 Bolts & Nuts Physical properties Tensile strength (MPa) Head test & Chemical Test C,P & S Dimensional check as per specification As per Mill TC & test required by inspecting official from approved lab Visual & Manufacturer test certificate & Challan Verification of reference document. Authorized Inspector appointed by Zonal Railway As per relevant specification record. IS:1364& IS: 1367 (property class8.8) Or (Grade/ class as per relevant approved Drg.). Test certificate shall be furnished by manufacturer. One sample for each lot of Bolts & Nuts supply shall be drawn by authorize inspecting official of Zonal Railway and tested in Govt./NABL approved laboratory. 1.8 Adhesive for bonding PTFE Peel of strength As per Mill TC & test required by Zonal Railway inspection official from Govt./ NABL Approved lab. Manufacturer test certificate & Challan Verification of reference document. Zonal Railway. One sample per lot. record. Adhesive for bonding PTFE to backing plates shall produce a bond with a minimum peel strength of 4N /mm width when tested in accordance with BS:5350 ( Part C9) Test report shall be furnished to inspecting official. 1.9 Paint Verification of Manufacture’s Test Certificate, Inspection Visual Manufacturer test certificate & Challan Verification of reference document. Zonal Railway. Each Batch record. As per relevant Specification Paint should be as per IRS: B1
“Annexure (Technical) A(Contd)” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabriactor’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 2.0 2.1 Process plan dimension individual height of the component Thickness of Dimensional inspection Visual & As per approved drawing Measurement of dimension inspecting official 100 % record. IRC 83 & as per drawing Internal report shall be furnished, However random check may be done in presence of Zonal Railway inspecting official. 2.2 Check after attachment of stainless steel plate Flatness Dimensional inspection Visual& As per approved drawing Measurement of dimension inspecting official 100% record. IRC 83 IS:822 & IS:3658 Internal report shall be furnished, However, random check may be done in presence of Zonal Railway inspecting official. 2.3 NDT test DP test on welding of the top plate and bearings after load test DP Test, weld Size, visual DP Test of weld, visual &gauge As per approved WPSS & Drg. Visual inspection & verification of dimension by gauge. inspecting official/ Zonal Railway/ RDSO 100% record. IS:3658 -1981 Internal report will be furnished by the manufacture and final clearance will be given by RDSO. 2.4 Hardness On major steel On the hard facing zone Hardness tester As per drg. and relevant specification Fabricators record inspecting official/ Zonal Railway 100% record. IRC 83 Internal report will be furnished, however, random check will be done in presence of Railway representative inspecting authority. Firm should keep the records of hard facing and submit the same to inspection official at the time of inspection check. Part- pad Part- elastomeric
“Annexure (Technical) A(Contd)” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabricator’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 2.5 Corrosion Protection Grit Blasting Zn c) Painting Visual and As per drg. and relevant specification Fabricators record & inspecting official /Zonal Railway 100% record. IRC 83 Internal report shall be furnished. However, total DFT shall be checked randomly from the finished store in presence of inspecting authority of Zonal Railway. 2.6 Assembly Dimensional Inspection Visual and As per drg. and relevant specification Measurement of dimensions. inspecting official/ Zonal Railway 100% record. IRC 83 During assembly all the bearing components should be checked for proper cleanliness and greasing of PTFE & Stainless steel surfaces. Random check shall be done in presence of Zonal Railway’s inspecting authority. 2.7 Marking IRC 83 III Fabricators record. inspecting official/ Zonal Railway 100% record. IRC 83 During internal final inspection the same component shall have to be fixed on each bearing. 2.8 Tolerance of fit between different component of bearing a) Piston Cylinder b) Elastomeric & Cylinder Guide & Adjacent Pin & Cylinder Dimensional Inspection Visual and As per relevant Drg. Measurement of dimensions. inspecting official/ Zonal Railway 100% record. IRC 83 Inspection records to be furnished. However random checking may be done in-presence of inspecting authority of Zonal Railway. III
“Annexure (Technical) A(Contd)” S. No. Component Operation Characteristic Checked Frequency &Type of check Reference Document Fabricator’s quality control Inspection details Type of Records Acceptance criteria Remarks Inspecting Agency Extent of Inspection 1 2 3 4 5 6 7 8 9 10 11 2.9 Over all dimension of any cast steel component Dimensional Inspection Visual and As per relevant Drg. Measurement of dimensions. inspecting agency 100% record. As per relevant specification Checking records to be furnished. However random checking may be done by inspecting authority of Zonal Railway. 2.10 Load Test Test Co- efficient of friction test Load test Rotation test Load Testing parameters as per IRC-83Part-III One bearing will be tested per lot of 25 nos.or part As per relevant Drg. Fabricators record. RDSO (One bearing will be tested per lot of 25nos or part) For other cases as per code. Random record. IRC-83 Deflection test will be done for all bearings by manufacturer and checking record to be furnished by the manufacturer. However test shall be carried out on the bearings randomly selected by the RDSO official. 3.0 Final Inspection Over all dimensional check of finished bearing Part dimension checking, over all height inspection and after load test condition of components inspection Visual and As per relevant Drg. & specification Measurement of dimension RDSO 100% record. IRC 83 After load testing, DP Test & ultrasonic testing of bearings to be done by RDSO to check for damage during testing. Final clearance given by RDSO. Firm should keep the records of hard facing and submit the same to inspection official at the time of inspection and inspection official of RDSO should also check hardness of hard facing randomly. Note: 1.Firm should maintain traceability of raw material used for fabrication of every POT-PTFE bearings and the record should be made available to the inspecting authority on demand. Certificate of should not be older than 6 months. Certificate of PTFE should not be older than 1year.
“ANNEXURE-IV(A)” (Para 23.1(d) of Section II) COMPLETION CERTIFICATE Name of Organization Postal address, Phone No., Email ID, Fax No Letter No. Date :-………. 1. Name of work 2. Contract Agreement (C/A) No. and date 3. (i) Name of Firm with address (ii) In case of JV……. Name and % share of individual firms. 4. Original value of contract agreement. 5. Final value of contract as completed. (if final bill paid) 6. Date of award of contract 7. Has the work physically been completed in all respect as per contract agreement? ( Yes / No ) 8. If yes, then actual date of physical completion. 9. Total payment made in above contract till the date of opening of present tender. 10. In case of composite work: Component of payment made in respect of similar nature of work e.g. earthwork /Track/Bridges etc. (as defined in eligibility criteria) out of the total payment made under Sr. No. 9 above. I hereby certify that above mentioned work has been physically completed in all respect as per contract agreement. Performance of the contractor while executing the work had been satisfactory. (Signature) Name and Designation of officer Mobile No. of officer Seal of officer Note:- (i) Submission of false certificates by tenderer shall lead to, forfeiture of EMD and other action including penal action (Annexure-II). (ii) Copy of certificate duly self attested shall be submitted along with tender document. (iii) Payment made as indicated in above certificate (At Sr. No. 9/ Sr. No. 10) will be considered as value of completed work for the purpose of eligibility under Para 22 (ii) of Instructions to tenderers and conditions of tender. (iv) Above format is for guidance only. Any certificate containing information asked for shall be considered
“ANNEXURE­V” (Para 23.1(e) of Section II) LIST OF AWARDED WORKS UNDER EXECUTION Sr. No Name of work Organization for whom work is being done Date of award of contract Contract Agreement No & Date Contract Value Value of balance work yet to be done Schedule of completion Date of Commencement Expected date of completion 1 2 3 4 5 6 7 8 9 1 2 3 4 5 Date:-------------------- Signature of Tenderer/s with seal