“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 Corrosion 2.5 Protection Visual and As per drg. Fabricators 100% IRC 83 Internal report shall be furnished. Grit and relevant record & inspecting record. However, total DFT shall be Blasting specification official checked randomly from the Zn /Zonal finished store in presence of Railway inspecting authority of Zonal Railway. c) Painting 2.6 Assembly Dimensional Visual and As per drg. Measurement 100% IRC 83 During assembly all the bearing Inspection and relevant of inspecting record. III components should be checked for specification official/ proper cleanliness and greasing of dimensions. Zonal PTFE & Stainless steel surfaces. Railway Random check shall be done in presence of Zonal Railway’s inspecting authority. 2.7 IRC 83 Fabricators 100% IRC 83 During internal final inspection the Marking record. record. III same component shall have to be inspecting fixed on each bearing. official/ Zonal Railway Tolerance of 2.8 fit between different component of bearing a) Piston Cylinder b) Dimensional Visual and As per Measurement 100% IRC 83 Inspection records to be furnished. Elastomeric Inspection relevant Drg. of record. However random checking may be & inspecting done in-presence of inspecting dimensions. Cylinder official/ authority of Zonal Railway. Zonal Guide & Railway Adjacent Pin & Cylinder
“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
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