Scope of Supply for 2 ton and 4 ton Gas Boilers
2022-08-22
Scope of Supply for 2 ton and 4 ton Gas Boilers
| Sr, No. | Parameters | Unit | Value |
| 1 | Boiler Type | Three Pass Wet Back | |
| Type of mounting | Skid mounted | ||
| Number of Boilers | 1 | ||
| Steam Generation | Kg/hr | 4000 and 2000 | |
| Boiler Design Pressure | Kg/cm2 | 10.54 | |
| 2 | Steam Pressure | ||
| Safety valve Set Pressure | Kg/cm2 | 10.2 / 10.5 | |
| Operating Pressure | Kg/cm2 | 9 | |
| 3 | Mechanical Details for Boiler* | ||
| Tubes Thickness | mm | 3.25 | |
| Tube Diameter | mm | 50.8 | |
| Effective length | mm | 3500 | |
| Material of Construction | SA 515/516 Gr 70/IS 2002 Gr II |
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Scope of Supply
| Sr. | Item Description | Qty | Sly | ERC | Superv. |
| A | Proprietary Supply | ||||
| 1 | HSD Fired Boiler, 2.0 TPH + 4 TPH (F&A 100 Deg. C) with Design Pressure of10.5 kg/cm2(g) Consisting of:- |
2 No. | FML | Client | FML |
| 3 Pass, fully fusion welded boiler shell, fully wet back with stiffens ring furnace, convection smoke tubes, hinged doors with 100mm insulation, sheets, Man hole, Mud hole, ladder, platforms and set of nozzles for mountings |
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| 2 | HSD fired Pressure Jet Burner Each Burner consist of: | 2 No. | FML | Client | FML |
| Force Draught combustion fan | 1 no | ||||
| Ignition Transformer | 1 no | ||||
| Oil Pump and motor | 1 set | ||||
| Ignition electrode | 1 no. | ||||
| Flame sensor | 1 no | ||||
| 3 | Boiler feed water pump and motor | 2 SET | FML | Client | FML |
| Centrifugal multistage Pump and motor assembly |
1W+1S B | ||||
| Outlet isolation valves | 2 no | ||||
| NRV | 2 no | ||||
| Pressure gauge | 2 no | ||||
| 4 | MCC cum ICP | 2 SET | FML | Client | FML |
| Boiler mounting, Non-Compartmentalised confirming to ingress protection class of IP54, made out of 14/16 SWG CRCA。sheet. The power section shall be provided with MCCB. |
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| 5 | Boiler house electricals | 2 SET | FML | Client | FML |
| Power cables and control cable supply from panel to motor and instruments Gl perforated cable trays | |||||
| 6 | Feed water tank with Level switch，level gauge，factory insulated. Capacity 2 KL |
1 No | FML | Client | FML |
| 7 | Feed water tank with Level switch，level gauge，factory insulated. Capacity 4 KL |
1 No | FML | Client | FML |
Performance Parameters
| Sr.No. | Description | Unit | Value |
| 1 | Maximum Steam Output (F&A 100Deg C) | Kg/hr | 200 0 |
| 2 | Maximum Design pressure | Kg/cm2(g) | 10.5 |
| 3 | Steam dryness Fraction | % | 98% |
| 4 | Efficiency on 100% load (On NCV Basis) as per BS 845 Part I without heat recovery |
% | 89% |
| Sr.No. | Description | Unit | Value |
| 1 | Maximum Steam Output (F&A 100Deg C) | Kg/hr | 400 0 |
| 2 | Maximum Design pressure | Kg/cm2(g) | 10.5 |
| 3 | Steam dryness Fraction | % | 98% |
| 4 | Efficiency on 100% load (On NCV Basis) as per BS 845 Part I without heat recovery |
% | 89% |
Notes:
1. Above performance parameters are based on design basis and performance criteria mentioned in offer.
Scope of Supply ,2 ton , 4 ton, Gas Boilers