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| Tender ID | 4848268 |
|---|---|
| Organisation Name | Tamil Nadu Newsprint And Papers Limited |
| Tender Brief | Corrigendum : Carrying Out Performance And Feasibility Study Of Evaporator # D Stream Towards Performance Optimization In Tnpl Unit-i |
| Last Date For Submission | 27th Jul, 2026 |
| Opening Date | 28 Jul, 2026 |
| Document Cost | 0.00 |
|---|---|
| EMD | 5000.00 |
| Estimated Cost | 0.00 |
| City | Multi city |
|---|---|
| State | Tamil Nadu |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Carrying out Performance and Feasibility Study of Evaporator # D Stream towards performance optimization | ||
| 2 | Study of existing operations of the Evaporator#D stream towards performance optimization in achieving Water evaporation - 350 TPH HBL product concentration - 70 % Steam economy - 6.45 | 1.00 | Lumpsum |
| 3 | Feasibility study, detailed engineering - including equipment design and specifications, budgetary cost estimation, implementation schedule, and cost-benefit analysis with Return on Investment {ROI} (i) To achieve required water evaporation in Evaporator#D stream alone without Evaporator#C stream for firing 1300 MT of black liquor dry solids in Recovery Boiler#3 (HBL firing ~56 m3/hr, 70% solids). (ii)To achieve required water evaporation in Evaporator#D stream alone without Evaporator#C stream for firing 1300 MT of black liquor dry solids in Recovery Boiler#3 at 75% solids concentration HBL. | 1.00 | Lumpsum |
| 4 | Feasibility study, detailed engineering - including equipment design and specifications, budgetary cost estimation, implementation schedule, and cost-benefit analysis with Return on Investment {ROI) - for Effect#5 online isolation for tube cleaning in the existing plant- Also evaluate the impact of online isolation in the existing evaporator operation. | 1.00 | Lumpsum |
| 5 | Modification of existing HBL storage vessel or design of new pressurised storage vessel. Modification of one of the existing HBL storage vessel or Design a new pressurised storage vessel for the Evaporator #D Stream product - Heavy Black Liquor (HBL) - at a solids concentration of 70-75%. The vessel volume shall be determined based on an HBL firing requirement of 56-60 m3/hr. The new vessel shall be such that the temperature of the firing liquor in the storage vessel shall be 130 C and the Indirect heaters for the firing black liquor in RB3 are not required. Compatibility of circulation pumps and firing pumps shall also be evaluated for the new requirement . | 1.00 | Lumpsum |
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