Tender For Mtps-I - Bm - Aoh-2026- Unit-Iv- Boiler Pressure Parts - Cutting & Removing Of Heavily Worn-Out Platen Crown Plates And Fabrication And Erection Of New Alloy Steel Crown Plates And Allied Works At 52 Mtr Level In Penthouse
Tender Overview
Project Description
Tender for Mtps-I - Bm - Aoh-2026- Unit-Iv- Boiler Pressure Parts - Cutting & Removing Of Heavily Worn-Out Platen Crown Plates And Fabrication And Erection Of New Alloy Steel Crown Plates And Allied Works At 52 Mtr Level In Penthouse
BOQ
| Sl. No. | Item Description |
| 1 | Charges for leading, lifting and arranging platform and scaffolding in platen SH coil to facilitate rectification of sagged radiant roof tubes, rear arch room inner side and dismantling after completion of work. Including consumables and hire charges for T& Ps. |
| 2 | Charges for bending of plates: Drawal of 6mm M.S plate/ Alloy steel plate from central stores transporting the materials to outside workshop cutting in to required size, bending to the required size and profile, transporting back to MTPS boiler area. |
| 3 | Charges for fin welding :Charges for fin welding along the spool piece of radiant roof tubes by cleaning, surface preparation and welding . Including consumables and hire charges for T& Ps. |
| 4 | Charges for renewal / rectification of sagged radiant roof tubes of size 51mm X 5mm (above 44.5mm dia) inclusive of cutting, lifting hot correction, welding and locking its orginal postion including cost of consumables and T&PS |
| 5 | Renewal/ reconditioning of metallic expansion joint;. Work involves arresting the upstream and down stream of duct, cutting and removel of existing eroded cover plate and metallic expansion joints and gauching, Leading ,lifting , positioning of new expansion joint, aligning with the duct channel and complete welding, style # 1 in 1 st pass |
| 6 | Charges for transporting the refractory from store and unloading at site,leading, lifting , stacking at 7m to 52m elevation of Boiler and removing the waste refractory from boiler lowering to the ground floor,loading to tipper and disposing at waste disposal area of MTPS-I |
| 7 | Charges for chipping removal of old defective refractory, cleaning, surface preparation, mixing the refractory with water application and curing the patch worked refractory in Boiler at various elevation |
| 8 | Charges for removal and refixing the insulation and skin casing sheets to carry out boiler tubes & fin welding rectification works and reposition the dislodged /damaged insulation and skin casing sheet in pent house area left & right of boiler including the charges for transportation of insulation and skin casing sheets and for necessary scaffolding arrangements |
| 9 | Supratherm special (E 7018) / chromotherm - 1 (E 8018) welding electrode 2.5 mm with material / manufacturer's test certificate |
| 10 | Supratherm special welding electrode 3.15 mm (E 7018) with material / manufacturer's test certificate |
| 11 | Cutting gas |
| 12 | Argon gas |
| 13 | Cost of corten steel plate 3.15mm thick |
| 14 | Alloy steel plate for 10mm thick Material SA 387 Gr.22 |
| 15 | SUPER CASTABLE REFRACTORYACE Fire crete (super)/ TATA refractories Service temp 1450 0 CAl2 O3 -70% ,Fe2 O3 -2.5 to 5%Si O2 -11.5%Dry density minimum 2500 kg/m3Grain size – maximum 5 mmCCS/kg/cm2 at service temp 1450oc - 350 kg/cm2 with material/ manufacturer's test certificate |
| 16 | Light Resin Bonded wool MattressesSize 1.62 m X 1.22 m X 60mm thick confirming to IS8183,93. Density: 150 Kg/m3 , both sides 0.75 inch X 23 SWG G.I wire knitting with machinestitched and laid in HDPE - with material/manufacturer test certificate |
| 17 | Skin casing fixing screws SUPER CASTABLE REFRACTORY ACE Fire crete (super)/ TATA refractories Service temp 1450 0 C Please Enable Macros to View BoQ information |
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