“Annexure (Technical) A(Contd)” Component Characteristic Reference Type of Acceptance S. Frequency Inspection details Remarks Fabricator’s Operation Checked Document quality Records criteria No. &Type of Inspecting Extent of control check Agency Inspection 1 2 3 4 5 6 7 8 9 10 11 Over all Dimensional Visual and As per Measurement As per Checking records to be furnished. 2.9 100% dimension Inspection relevant Drg. of inspecting record. relevant However random checking may be of any dimensions. agency specification done by inspecting authority of Zonal Railway. cast steel component 2.10 Load Test Load Testing One bearing As per Fabricators RDSO Random IRC-83 Deflection test will be done for all parameters as per will be tested relevant Drg. record. (One bearing record. bearings by manufacturer and Test IRC-83Part-III per lot of 25 will be checking record to be furnished by Co- nos.or part tested per lot the manufacturer. However test efficient of of 25nos or shall be carried out on the friction part) bearings randomly selected by the test RDSO official. For other Load cases as test per code. Rotation test Final Part dimension Visual and As per Measurement IRC 83 3.0 RDSO After load testing, DP Test Inspection checking, over all relevant Drg. of record. 100% & ultrasonic testing of bearings to Over all height inspection & dimension be done by RDSO to check for dimensional and after load test specification damage during testing. Final check of condition of clearance given by RDSO. finished components Firm should keep the records of bearing inspection 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 (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.
1455263280591_Tender%206%20Misc.%20for%20loading%2006%20(3).docx