COMPETATIVE e-Bidding FOR SUPLLY OF BOILER FABRICATION AND ERECTION WORK SERVICES FOR SEASON 2024-25

Amount

For 20 Ton Walchand Nagar make Boilers

Drum to Drum tube size 63.5mm O.D. & sucessfuly hydroulic testing at 32 Kg/Cm² Dismentaling of old tubes, Fabrication of new tube as per drg./sample

Side Wall tube size 70mm O.D (Row no 18 to 25)Dismentaling of old tubes Fabrication of new tube as per drg./sample & sucessfuly hydroulic testing at 32 Kg/Cm²

Relief Tube size 76.2mm O.D.Dismentaling of old tubes Fabrication of new tube as per drg./sample & sucessfuly hydroulic testing at 32 Kg/Cm²

Roof tube size 70.00 mm O.D. Dismentaling of old tubes ii) Fabrication of new tube as per drg./sample & sucessfuly hydroulic testing at 32 Kg/Cm²

Screen Tube size 70mm O.D. (Row no 16-17) Dismentaling of old tubes Fabrication of new tube as per drg./sample & sucessfuly hydroulic testing at 32 Kg/Cm²

Super Heater coil tube size 44.45 mm O.D. Dismentaling of old tubes Fabrication of new tube as per drg./sample & sucessfuly hydroulic testing at 32 Kg/Cm²

Dismentaling, Fabrication and erection of Nipple Size: 1 - 44.45mm OD 2 - 70.00 mm OD 3- 76.20 mm OD 4- 63.50 mm OD

Fabrication of 101.6 mm OD gilled type economizer tube with supply of MS fins as per our sample /drawing (Note: Old flanges will be given by factory)

Fabrication of 101.6 mm OD gilled type economizer tube without supply of MS fins as per our sample /drawing (Note: Old flanges will be given by factory)

Dismentaling of old Air heater tubes of boiler no. 1 & 2, fabrication and erection of new tube with leak proof trial expanded at both ends.

Dismentaling of old Air heater tubes of boiler No. 1 & 2 and fitting the old Boiler tubes as per sample of A.H.T. (63.5 mm O.D.), Fabrication of air heater tubes from old tube and fitting the old tube with leak proof trial.

For 30 Ton Taxmaco make Boilers

Drum to Drum tube size 63.5mm O.D. (Row No 6-13) Dismentaling of old tubes Fabrication of new tube as per drg./sample Errection & sucessfuly hydroulic testing at 32

Side Wall tube size 76.2mm O.D Dismentaling of old tubes Fabrication of new tube as per drg./sample Errection & sucessfuly hydroulic testing at 40 Kg/Cm²

Roof tube size 76.2mm O.D. Fabrication of new tube as per drg./sample Errection & sucessfuly hydroulic testing at 40 Kg/Cm²

Steam Relief Tube size 76.2mm O.D. Dismentaling of old tubes Fabrication of new tube as per drg./sample Errection & sucessfuly hydroulic testing at 40 Kg/Cm²

Dismantling , fabrication & erection of 63.5mm OD Air Heater Tubes with leak proof trial

Down take / cummer tube Drum to side header (6 Nos) Dismentaling of old tubes Fabrication of new tube as per sample with flange Fitting & hydroulic testing

Super heater coils tube size 44.45mm O.D. Dismentaling of coils Fabrication of new coils per drg./sample Errection along with luga/clamps & hydroulic testing at 40 Kg/Cm²

Texmaco make 30 Ton Boiler

Dismentaling Fabrication with welding of MS Flats size 50 mm X 4mm thick (Flats would be supplied by the party) then erection of Economizer coils (26 Nos) size 44.45mm od X 4.06 mm thick (tube material supplied by factory) with hydraulic testing at 36 kg/cm² pressure at our 30 Ton capacity Texmaco boiler. Side plates and cover of economizer chamber will also by fitted by the contractor

Dismentaling Fabrication & Erection of Economizer coils (26 Nos) size 44.45mm od X 4.06 mm thick (tube & m.s.flates supplied by factory) with hydraulic testing at 36 kg/cm² pressure at our 30 Ton capacity Texmaco boiler. Side plates and cover of economizer chamber will also by fitted by the contractor

Machining of cap seat Eliptical

Machining of cap seat Round

Machining of header seat at site Eliptical

Machining of header seat at site Round

Re-threading of cap bolt if required

Dismentalling, fabrication & errection of Nipple of sizes: 1 - 44.45mm OD 2 - 70.00 mm OD 3- 76.20 mm OD 4- 63.50 mm OD

Reclaimation of 63.5 mm OD drum to drum tube. The work include dismantling of Old Tubes with bends, fabrication of new bends & wielding in Old Tubes. After that fitting of repaired tube with Hydraulic Testing at 32 Kg/cm²

Supply of Air heater tube plate of size 1150 mm x 810 mm thickness 6mm with 153 holes of 63.5 mm tube size

Dismantling of Old Air Heater Tube plate and fitting of new fabricated tube plate as per design /sample

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