Various types of BODY ROUGH Machining for TOA Assy, ENVTA4892.

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Tender Inviting Authority: Pandiaraja M

Name of Work:Various types of BODY ROUGH Machining for TOA Assy.

Contract No: ENVTA4892

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Sl. No. Material Description Material Code Quantity Units Estimated Rate in Rs. P Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency Rate In Figure (INR- Indian Rupee) / Unit GST (If applicable in Percentage) GST Amount in Rs. P SCOPE HSN / SAC Code

BODY ROUGH-WA22 931230678000 No Excess(+) Full Conversion INR 01.Mark axes as per drg. and ensure the material allowance for machining.02.Punch mark the all axes, material code, drawing no.and firm code.03.Stage Inspection04.Mark for guide slotting 05.Set for stroke length and slot the guide on both sides as per drg. 06.Conduct LPI on guide groove areaTOP FLANGE MACHINING: 07.Face machining at top and maintain body height from passage bore axisas per drg.08.Top flange OD and ID Bore machining shall be done as per drg.09.Chamfer all sharp corners PASSAGE BORE MACHINING:10.Face machining one side and maintain length (L/2) from centre axis asper drg. 11.Seat bore machining at same side and maintain seat bore distance from body axis as per drg.12.Repeat the operations slno 10 & 11 on the other side.13.Conduct LPI on seat ring seal weld area. 14.Ensure and record seat bore gap and overall length as per drg. 15.Passage bore taper machining must be done wherever applicable 16.Deburr and apply preservative 17.Final inspection Note: Excess casting material in seat bore face area should be removed , if any.

BODY ROUGH-WD67 931282808000 No Excess(+) Full Conversion INR 01.Mark axes as per drg. and ensure the material allowance for machining.02.Punch mark the all axes, material code, drawing no.and firm code.03.Stage Inspection04.Mark for guide slotting 05.Set for stroke length and slot the guide on both sides as per drg. 06.Conduct LPI on guide groove area TOP FLANGE MACHINING:07.Face machining at top and maintain body height from passage bore axisas per drg.08.Top flange OD and ID Bore machining shall be done as per drg.09.Chamfer all sharp corners PASSAGE BORE MACHINING:10.Face machining one side and maintain length (L/2) from centre axis asper drg. 11.Seat bore machining at same side and maintain seat bore distance from body axis as per drg.12.Repeat the operations slno 10 & 11 on the other side.13.Conduct LPI on seat ring seal weld area. 14.Ensure and record seat bore gap and overall length as per drg. 15.Passage bore taper machining must be done wherever applicable 16.Deburr and apply preservative 17.Final inspection Note: Excess casting material in seat bore face area should be removed , if any.

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