Description :
Tenders for Water Cooled Jacket (tubular) For Electric Arc Furnaces To Rwf Drawing No.731200112140 & As Per Special Conditions I) Pre-qualification For Manufacture And Supply Of Water Cooled Jacket (tubular).a) Only Manufacturers Of Electric Arc Furnaces Or Their Sub Contractors Who Manufacture Structurals For Oems Of Electric Arc Furnaces/heavy Duty Industrial Boilers Shall Quote. B)the Required Raw Materials Shall Be Procured From Reputed Sources Such As M/s. Sail, Tisco, Isp&t Etc.and They Should Furnish References For Purchase. C) Qualified Welders Should Be Engaged For Fabrication.d ) The Detailed Qap As Enclosed Ii) Special Condition:- 1. Scope Of Work:-fabrication And Testing Of Water Cooled Jacket (tubular) Manufacturing Process:- A) Submission Of Raw Material Procurement Invoices From Reputed Sources. B)selection Of Welding Electrodes.c) Marking, Sizing And Surface Preparation.d)welding Of Members By Qualified Welders.e) Stress Relieving, Time Temperature Graph Shall Be Enclosed. F)non- Destructive Testing Of Weldments. G)pressure Testing Shall Be Done At 10kg/cm2 For Two Hours And The Water Cooled Jacket Shall Be Free From Water Leakage. H) Painting Of Water Cooled Jacket By One Coat Of Red Oxide Paint Followed By Two Coats Of Heat Resistant Aluminium Paint. I)dispatch Of Water Cooled Jacket (tubular) With Suitable Packing To Avoid Damage During Transit. Iii) Inspection By M/s. Tpi. Stage Inspection: By Tpi To Check All The Tubes Procured For Fabrication Of Water Cooled Jacket (tubular) For Od, Id, Thickness And The Dimensions Of Fitted Forged Quality End Caps As Per Drawing. Tpi Should Ensure That Only Such Inspected Tubes And End Caps Are Used While Inspection The Water Cooled Jacket(tubular). The Water Cooled Jacket (tubular) Shall Be Subjected To Joint Inspection Forhydraulic Test At Firms Premises ]
