Refractory ( Castable Refractory And Lrb Rockwool Mattress ) Vide Tender No . Ct-09/Se ( Mmc-Ii ) /Pd-I/Otps/20, Obra Thermal Power Station, Obra-Uttar Pradesh
TDR : 25561962
Tender Notice
Corrigendum Details
BOQ
Expired
Obra Thermal Power Station, Obra
Uttar Pradesh
Corrigendum : Refractory ( Castable Refractory And Lrb Rockwool Mattress ) Vide Tender No . Ct-09/Se ( Mmc-Ii ) /Pd-I/Otps/20
Name of Supply:Refractory (Castable refrctory and LRB Rockwool matress) for Obra TPS.
Sl.No.
Item Description
Item Code / Make
Qty.
Units
1
1
Supply of Castable refractory\n PHYICAL PROPERTIES\n• Service Temperature (Max)-1450ºC\n• Grain Sixe- (Max)-5 mm\n• Water Required for Casting-10-11%\n• Bulk Density- (Min) 2500 Kg/m3\n• CCS (Kg/Cm2) at 110ºC – 350 Min.\n• And at 1450ºC-450 Min.\nCHEMICAL PROPERTIES \n• Al2O3 Min-70%\n• Fe2O3- (Max)-5%\n• Silica not more than8%\n• CaO-8% to 10%\n\n\n\n
item01
12
MT
2
2
L.R.B. Rockwool Mattress of following sizes as per IS-8183/93 (read with latest amendment ) with G.I. Chicken wire mesh of wire 24 SWG and ¾” hexagonal wire mesh on single side, density 100 Kg/m3 (±) 10%; standard Size: 1640x1220 mm /1520x1220 mm; Moisture content and absorption: 2% (max); Fiber dia. 7 micron max of thickness of 60 mm\nSPECIFICATION OF ROCKWOOL MATTRESS:-\n L.R.B. Rockwool Mattress, machine made and machine stitched conforming to IS-8183/1993 with latest amendment and should have following properties-\n1. Service Temp. 6000 C to 8000 C,\n2. Corrosively with steel, Copper and Aluminium\n3. Resistance of fungi and bacteria\n4. Fire Resistance- Incombustible\n\n\n\n\n
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