OFFICE OF THE PRINCIPAL GOVERNMENT ENGINEERING COLLEGE JAGDALPUR (C.G.)494005

Transcription

1 OFFICE OF THE PRINCIPAL GOVERNMENT ENGINEERING COLLEGE JAGDALPUR (C.G.) Ph Fax , website : principal@gecjdp.ac.in INVITATION FOR QUOTATION TEQIP-II/2014/CG1G02/Shopping/ 25-Feb-2016 To, Sub: Invitation for Quotations for supply of Goods Dear Sir, 1. You are invited to submit your most competitive quotation for the following goods with item wise detailed specifications given at Annexure I, Sr. No Brief Description Quantity Delivery Period(In days) Place of Delivery Installation Requirement (if any) 1 Insulated agitated vessel. 2. Boiler mountings and accessories 3. Cochran boiler 4. Lancashire boiler

2 5. Babcock and Wilcox boiler 6. Simple steam turbine 7. Compound steam turbine 8. Surface steam condenser 9. Jet steam condenser 10. Steam turbine 11. Reciprocating air compressor 2. Government of India has received a credit from the International Development Association (IDA) towards the cost of the Technical Education Quality Improvement Programme[TEQIP]-Phase II Project and intends to apply part of the proceeds of this credit to eligible payments under the contract for which this invitation for quotations is issued. 3. Quotation, 3.1 The contract shall be for the full quantity as described above. 3.2 Corrections, if any, shall be made by crossing out, initialing, dating and re writing.

3 3.3 All duties and other levies payable by the supplier under the contract shall be included in the unit price. 3.4 Applicable taxes shall be quoted separately for all items. 3.5 The prices quoted by the bidder shall be fixed for the duration of the contract and shall not be subject to adjustment on any account. 3.6 The Prices should be quoted in Indian Rupees only. 4. Each bidder shall submit only one quotation. 5. Quotation shall remain valid for a period not less than 55 days after the last date of quotation submission. 6. Evaluation of Quotations, The Purchaser will evaluate and compare the quotations determined to be substantially responsive i.e. which 6.1 are properly signed ; and 6.2 confirm to the terms and conditions, and specifications. 7. The Quotations would be evaluated for all items together. 8. Award of contract: The Purchaser will award the contract to the bidder whose quotation has been determined to be substantially responsive and who has offered the lowest evaluated quotation price. 8.1 Notwithstanding the above, the Purchaser reserves the right to accept or reject any quotations and to cancel the bidding process and reject all quotations at any time prior to the award of contract. 8.2 The bidder whose bid is accepted will be notified of the award of contract by the Purchaser prior to expiration of the quotation validity period. The terms of the accepted offer shall be incorporated in the purchase order. 9. All supplied items are under warranty of 12 months from the date of successful acceptance of items. 10. You are requested to provide your offer latest by 16:00 hours on 21 march Detailed specifications of the items are at Annexure I. 12. Training Clause (if any) Required 13. Testing/Installation Clause (if any) 14. Information brochures/ Product catalogue, if any must be accompanied with the quotation clearly indicating the model quoted for.

4 15. Sealed quotation to be submitted/ delivered at the address mentioned below, Government Engineering College, Jagdalpur, Dhrampura-3, Jagdalpur, Bastar 17. We look forward to receiving your quotation and thank you for your interest in this project. (Authorized Signatory) Name & Designation

5 S.NO Name of Equipments Insulated agitated vessel. Boiler mountings and accessories Specifications The unit should consist of a vessel with class wool insulation ail around. A helical coil made of copper to be fixed inside the vessel. A motorized agitator to be fixed at the center of the coil. The vessel should be provided with an electric heater and a controller is also to be provided for vessel. Heater heats water in the jacket while cold water is circulated through coll. Temperature of circulated water and water In vessel Is measured and thus heat transfer coefficient at various agitator speeds can be determined. SPECIFICATIONS : Vessel approx. 20 lit. capacity, provided with glass wool insulation all around and electric heater at the bottom. Agitator 150 mm dia, with 1/8 HP motor to drive the agitator. Helical coil dia, 8 turns, made of 3/8" dia. copper tube. Controllers for heater and agitator motor. Temp. Indicator for vessel water temperature and circulated water inlet and outlet. 1. LEVER SAFETY VALVE An all metallic demonstration model showing the valve seat, fulcrum and lever with adjustable weight. 2. SPRING LOADED SAFETY VALVE The demonstration model having two separate valves with one lever bearing loaded by a spring. 3. DEAD WEIGHT SAFETY VALVE The valve resting on the seat the top of an outlet pipe are covered by a case carrying weights hanging freely from the valve. 4. COMBINED HEIGHT STEAM AND LOW WATER SAFETY VALVE safety valve blows off when the steam pressure exceeds the working pressure, this high steam to escape as water level falls too low. A properly constructed model fitted on suitable base. 5. WATER GAUGE MODEL An all metallic and properly constructed model. Upper and lower parts are with transparent inserts to make the interior construction visible and are connected by a hollow column. The unit is complete with cock and stuffings. Mounted on a polished wooden board. 6. STOP VALVE HOPKINSON TYPE The type of model has many advantages over ordinary design of junction stop valves. The construction and the method of operating the complicated model can be easily demonstrated with this all metallic section cut model. 7. FEED CHECK VALVE All metallic section cut model. A good design of non return valve and arrangements for regulating by hand can be easily demonstrated with this all metallic section cut model. 8. STEAM INJECTOR This cutway demonstration model is to understand the system of feeding a boiler with water by direct use of steam. Showing water and steam inlet, overflow outlet. The central cut spindle carries valve and the upper

6 end with handle. The steam cone is actuated by rotating the handle. It is fitted on 45 cm high wooden board. 9. PRESSURE GAUGE Bourdon s type. Large size, open construction model for explaining the principle. Mounted on cast iron base with air nozzle. It is provide with transparent graduated dial to see the inner constructional details of the Bouron s tube. 10. PRESSURE GAUGE As above but of medium size 50 mm dia. 11. BLOW OFF COCK An all metallic sectionised model mounted on cast iron base. 12. REDUCING VALVE The function of this valve is to maintain a constant reduced pressure on the engine side while the higher pressure on the boiler side may be variable. It is a large size section cut model, to make the students understand its working. 13. FUSIBLE PLUGS A set of three, section cut & properly constructed models mounted on polished wooden base. 14. ANTI PRIMING PIPE The model is complete with seating of junction valve. The perforated pipe is about 30 cm long and 4 cm in diameter. 15. EXPANSION STEAM TRAP In this system the advantage is taken of the expansion of materials on heating. The unit is all metallic, section cut, mounted on 40 cm high wooden board. 16. FLOAT STEAM TRAP This type is intended to separate water by a float which is raised when it accumulated in the trap, thus opening a valve and permitting water to escape. The model is all metallic, section cut and mounted on cast iron base. 17. GREEN ECONOMISER it is an all metallic demonstration model to understand the working of a feed water heater. Complete with safety valve, scrapers, chains and pulleys. Flue passage i. e. all brick work is shown in wood work and the model is so dissectiable that the inner construction can be seen clearly. Approximately 45x30x25 cm in size. 18. SUDEN SUPER HEATER Flue passage and all brick work is shown in wood work and the model is selected in such a manner that an inner section view can be studied. The overall size is about 30x30x20 cm. 3. Cochran boiler This is the best known vertical type fire tube boiler. The shell is 25 cm. in dia. & 60 cm high. The cylindrical fire box is with a door & gate at it s bottom. Hot gasses pass from the fuel with the combustion chamber through the tubes. At both ends of the tubes covers are given & tubes can be cleaned after their removal. The model is complete with feed check valve, steam & water gauges, stop valve, safety valve & manhole. 4. Lancashire boiler Shell is 75 cm long 22 cm dia. two large tubes pass from end to end. At

7 5. Babcock and Wilcox boiler 6. Simple steam turbine Compound steam turbine Surface steam condenser 9. Jet steam condenser 10. Steam turbine the front of each tube a furnace fire grating is placed & a door is high. Brick work as seating & fules are shown in wood work. The boiler is complete with dead weight safety valve, manhole, mudhole, check valve, high steam & low water gauges, regulating draught doors, with counter weights & chimney. The model is approx. one meter in length 37 cm in breadth & 45 cm high. It is specially made dissectible for demonstration. It is a water tube boiler. The shell is 15 cm. in dia.& 75 cm. in length & is fitted with a super heated & with inclined water tubes over the furnace connected with headers. The model is fitted with stop valve. Safety valve water gauge, steam gauge, manhole, mudhole. Demonstration Model depicting the components and layout, mounted on sturdy base Demonstration Model depicting the components and layout, mounted on sturdy base Demonstration Model depicting the components and layout, mounted on sturdy base Shell & Tube Type Condensers Offers A Comparative Study Of Vertical & Horizontal Condenser, Which Can Be Operated One At A Time. Condenser Consists Of Stainless Steel Shell, With Stainless Steel Tubes. Cold Fluid Flows Through Inside The Tubes And Steam Flows Through The Shell. Valves Are Provided To Control The Flow Rates Of Cold Fluids. Flow Rate Of Cold Water Is Measured Using A Rota Meter. Shell Is Fitted With Steam Traps From Where Condensate Is Collected In Measuring Cylinder. Temperature Of Inlet And Outlet Of Both Hot & Cold Fluids Are Measured By Temperature Sensors. The Setup consists of : a. STEAM TURBINE : Instruction Impulse steam Turbine of 2.5 HP capacity. Speed : RPM. Steam Rates : 178 LBS/BHP/Hr. Inlet Pressure : 70 PSIG ( 4.92 Kg/Cm 2 ). Temperature : 310 o F ( o C).. b. MAIN BOILER : Model Steampack-300 oil fired, instant steaming, forced circulation, four pass water tube packed boiler. Rated Steam Output : 300 Kg/hr Steam Pressure:15 Kg/Cm 2. (Max) c. WATER SOFTENER : Model : AQUASOFT d.condenser : The set up includes a surface condenser of 250 Kg/hr. capacity with condensate extraction pump & a 3 HP monoblock pump. A collection tank of 50 Ltrs. with a piezometer is provided for measuring the condensate. e. CONTROL PANEL : It comprises of electrical loading rheostates, multi channel digital temperature indicator with channel selector switch thermocouples,

8 11. Reciprocating air compressor compensating cables, starter for condenser extraction pump, starter for monoblock pump, digital voltmeter & ammeter. f. LOADING DEVICE : Loading Arrangement by DC. Generator. Rating : 3 Kw, 220 V DC. g. Introduction Manual : 2 Copies will be provided. Accessories : i. Diesel Tank : 500 Ltr Capacity. ii.piping, From tank to boiler. iii.chimney, 20 feet height. Reciprocating Pump Set suitable for pump test at variable speeds size 1 x 1 to discharge 220 GHP at 40 m. head, electric motor of capacity 1 HP three phase Ac 440 V. Drive from motor to pump is given by a variable reduction pulley belt drive, special arrangement for quick alteration of speed. Additional special large air vessel is provided. Variable speed arrangement by reduction Pulley. Pressure gauge, Vaccum gauge & Foot valve. Energy meter, switch, starter & stop clock. Measuring tank of size 0.3 m. x 0.3 m. x 0.6 m with scale fitting & 1 drain valve

9 FORMAT FOR QUOTATION SUBMISSION (In letterhead of the supplier with seal) Date: To: Sl. Description of Qty. Unit Quoted Unit rate in Rs. Total Price Sales tax and other No. goods (with full (Including Ex Factory price, excise duty, packing and (A) taxes payable Specifications) forwarding, transportation, insurance, other local In In figures costs incidental to delivery and warranty/ guaranty % (B) commitments) Total Cost Gross Total Cost (A+B): Rs. We agree to supply the above goods in accordance with the technical specifications for a total contract price of Rs. (Amount in figures) (Rupees amount in words) within the period specified in the Invitation for Quotations. We confirm that the normal commercial warranty/ guarantee of months shall apply to the offered items and we also confirm to agree with terms and conditions as mentioned in the Invitation Letter.

10 We hereby certify that we have taken steps to ensure that no person acting for us or on our behalf will engage in bribery. Signature of Supplier Name: Address: Contact No: