Boiler Retubing And Steam Header Supply , Replacement Of Old , Weak , Worn Out Tubes Of Texmaco Boiler No . 1 Up 3644 & Boiler No . 2 Up3645 , 20 Ton/Hr Capacity As Per Our Drawing No . Blr-41 , A ) Dismantling , Fabrication & Erection Of 44 . 45 Mm Od Super Heater Coil As Per Our Drg . /Sample Including Ss Support For Maintain The Gap With Hydraulic At Desire Pressure , B ) Dismantling , Fabrication & Erection Of 63 . 5Mm Od Drum To Drum Tube As Per Drg/Sample With Hydraulic Testing At Desire Pressure , C ) Dismantling , Fabrication & Erection Of 76 . 2 Mm Od Boiler Tube As Per Details: , 1 . Drum To Drum Tube , 2 . Drum To Drum Screen Tube , 3 . Riser Tubes ( Mud Drum Tube To Front Header ) , 4 . Side Wall Tubes/Front Bank Tube ( Header To Header ) , 5 . Roof Tubes ( Steam Drum To Front Header ) , 6 . Relief Tube ( Steam Drum To Side Wall Header ) , 7 . Soot Blowing Elecment 3 Nos Each Boiler With Material , Dismantling , Fabrication & Erection Of Old Weak/Worn Out Tubes & Super Heater Coils Of Lipi Boiler No . Up-4045 , 20 Ton Capacity As Per Our Drg . No . Blr-68 , Blr-90 , A ) Drum Tube Size 50 . 8 Mm X 3 . 66 , B ) Drum Tube Size 63 . 5 Mm X 3 . 66 , C ) Super Heater Coil 44 . 5 Mm X 3 . 66 X 43 . 5 M , Erection & Welding Of Boiler Feed Water/Steam Line As Per Ibr , A ) Size 2 Nb , B ) Size 3 Nb , C ) Size 6 Nb , Rate Of Per Welding Joint Of Boiler Tubes . , A ) 63 . 5 Mm Od , B ) 76 . 2 Mm Od , Rate Of Steam Line Work As Per Ibr , 1 ) Bend , A ) Size 2 Nb , B ) Size 3 Nb , C ) Size 6 Nb , 2 ) Flange , A ) Size 2 Nb , B ) Size 3 Nb , C ) Size 6 Nb , 3 ) Joint , A ) Size 2 Nb , B ) Size 3 Nb , C ) Size 6 Nb , Reclaimation Of 63 . 5 Mm Od Drum To Drum Tube For Texmaco Make Boiler Pressure 21 Kg/Cm2 , Cap- 20 TphThe Work Includes Dismantling Of Old Tube , Fabrication Of New Bends Form New Tube With Welding At Both End After That Fiting Of Tubes Including Expend In Drum With Hydraulic Testing At Desire Pressure . , Replacement Of Damaged/Leaky Fin Type Economizer Gilled Coils ( Elements ) By New Gilled Coil Economizer ( Heat Surface Area-77 M2 ) Of Texmaco Make Boiler . Dismantaling Of Old Coils & Fabrication & Erection Of New Gilled Coils After Repair Necessary Modification As Per Site Requirement Complete Ibr Work With Hydraulic Testing And Ibr Test Certificate . Specification:- Design As Per Ibr Regulation And Its Latest AmendmintsWorking Test Pressure= 21 Kg/Cm2 , Hydraulic Pressure= 32 Kg/Cm2Total Heating Surface Area= 77 M2 , Size Of Tube 4/101 . 6 Mm Dia X 5050 Mm Long X 5 Swg Thick With 100 Fins Of 216 Mm Od X 3 Mm Thick And 42 . 8 Mm Pitch . Material Of The Tubes Should Be Ibr Approved . , A ) Supply Of New Steam Distribution Header Size- 457 . 2 Mm Od X 14 . 2 Cm Th With Inlet , Outlet & Drain Connection ( 15 Nos ) Of Mocsa-106 Grade B With Ibr Test Certificate As Per Drawing No . Blr-87D , B ) Erection Of Above Steam Distributor At Site With Necessary Connection And Successful Trial .
