VENTILATION SYSTEM AT BASEMENT WITH BLOWER, MOTOR, DUCTING AND GRILLS

01 Set

AIR INDIA LTD.

PROPERTIES AND FACILITIES DEPARTMENT

Tender No. PF/DL/EM/2019/03 Dated 15-02-2019

PREVENTIVE MAINTENANCE SCHEDULE

The maintenance shall also include a minimum of 12 monthly preventive maintenance visits by qualified personnel who are thoroughly familiar with the type of AC equipments and system installed at Admin. Building, Air India, Safdarjung Airport, New Delhi as per details given below:-

2. Inspect level and condition of oil. If abnormal, trace fault and rectify as necessary. Inform department in writing on the rectification.

3. Check the liquid line sigh glasses for proper flow.

4. Check all operating pressure and temperature.

5. Inspect and adjust, if required, all operating safety controls.

6. Check capacity control, adjust if necessary.

7. Lubricate vane/linkage/bearings.

8. Visually inspect machine and associated components, and listen for unusual sound or noise for evidence of unusual conditions & rectify, if required.

9. Check lock bolts and chiller spring mound.

10. Review daily operating log maintained by operating personnel of vendor.

11. Providing written report to department, outlining services carried out, adjustment made, rectification carried out and if the deficiency is of a major

1. Perform all functions for monthly check.

2. Check all flanges for tightness.

3. Change oil and oil sump.

10. Check starter contracts are shield and transformer.

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12. Test and calibrate overload setting.

13. Inspect, calibrate and adjust to original specifications all gauges, safety and operating controls including low temperature and high pressure cutout, oil pressure switch, load limit relay and electrical interlocks.

14. Inspect condenser tubes for fouling. If fouling exceeds original specifications, the contractor shall carry out cleaning of the tubes at his own expense.

15. Removal of old compressor oil from the compressor crankcase, cleaning the crankcase with Petrol, Replace the compressor oil filter, strainer etc.

16. Topping up R-22 / R-134 a gas into the components, cleaning all contacts with CCL4, tightening of all cable end terminations and internal contacts.

19. Servicing motor including cleaning, greasing, replacing worn out parts and defective bearings, if any.

20. Drain old compressor oil from the compressor and replace with new oil after isolating the compressor from the refrigeration system. Oil to be filled under vaccum.

21. Carrying acid descaling of condenser followed by rodding to clean the tubes of all scale. To note the head pressures before and after descaling. operating pressure to normal on chilling units.

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3. Re-pack and adjust pump glands as necessary.

4. Check all pumps bearings and lubricate with oil or

1. Perform all function for monthly checks.

2. Check motor earthing, meggar Motor and connecting wiring on each leg.

3. Tighten motor terminals.

4. Check starter contracts.

5. Test and calibrate overload setting.

6. Overhauling, greasing, paint the pump with bases, pump bodies with two coats of synthetic enamel paint (after any overhauling work is completed). The gland packing to be replaced with graphite asbestos new gland packing. Any worn out parts found during stripping and overhauling to be replaced with new. umps/Cooling Tower overhauling or repair when required including all pars, consumables and labour. It will be comprehensive. Bidders are advised to check the condition of all equipment before quoting. No extra price will be payable at a later date.

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1. Inspect all air handling and fan coil units.

2. Check all air filters and clean or change filters as necessary.

3. Check all water coils, seals and pipelines for leaks and rectify as necessary.

4. Check and re-calibrate modulating valves and controls.

Adjust and rectify as necessary to ensure compliance to the original specifications.

5. Purge air from all water coils.

6. Check all fan bearings and lubricate with grease as necessary.

7. Check the tension of all belt drives and adjust as necessary.

8. Check and clean all the condensate pans, trays and drains.

9. Check measure and re-calibrate all sensors, if necessary.

10. Check, clean and service smoke detectors. Carry out a system test to ensure that the smoke detector will trip the AHUs.

11. Check spring vibration isolators for abnormal vibration.

Rectify, if necessary.

1. Perform all functions for monthly checks.

2. Tighten motor terminals.

3. Check starter contacts, replace all defective contacts.

4. Test and calibrate overload settings.

5. Thorough cleaning, greasing of AHU motor. Any defective or noisy bearings of motor and fan shall be replaced.

6. New matched set of Vee belts for all AHUs.

7. Alignment of pulleys and proper tensioning of Vee belts.

8. Applying epoxy paint on the bottom surface of the fan section from inside.

9. Apply epoxy paint on the cooling coil casing and all CHW pipes/Coil header inside the AHU (Except Copper Parts).

10. Replace all defective temperature indicators with either dial type of stem type thermometers.

11. Replace all defective water pressure gauges with new pressure gauge, siphon & ball valve.

12. Check existing flexible canvas connection and replace any torn canvas with new.

13. Paint motor body and MS base (if there) with epoxy paint.

14. To inspect the 3 way flow control valve, Actuator, Temperature controller and replace any defective components. To make the 3 way flow control valve work normally.

15. Chemical Cleaning of CHW coil with Vaniclean.

16. Servicing of Electrical panel of AHU, including replacement of any defective internals.

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1. Check operation of all modulating and fixed dampers controlling air flow through unit. Lubricate all damper bearings and linkages as necessary.

2. Carry out space temperature checks on air-conditioned areas with thermo hydrograph. Balance air flow as necessary to compliance with requirements. These checks include the calibration of sensors, thermostat, etc.

3. Check noise level of discharged air from diffusers.

Switch and associated electrical equipment at intervals not exceeding six months.

2. Check and ensure operation of thermal over load and protection devices.

3. Check and ensure tightness of all equipments fastenings and cable terminations within switch boards.

4. Vaccum clean all switch board cubicles.

Piping cables. Clean all lugs with CC14.

3. To inspect the overload setting of all starters and reset, if required.

4. Replace all defective ammeter, Voltmeter and indicating lamps.

5. Replace any defective part or component of switch gear/control gear to enable the same work normally.

6. To fix missing name plates on panel modules with Ampere ratings. To clearly write the motor kW rating on the panel modules. Use new name plates instead of painting. Black letters on white background plate.

7. Check the earth connections and tighten where required.

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Tender No. PF/DL/EM/2019/03 Dated 15-02-2019 Consumable The vendor shall also supply the following consumable

materials as and when required as part of AMC.

1. All oils and greases required for lubrication of compressors, fan bearings, motors bearings, pivots and other moving parts.

2. All refrigerant required for topping up. Refrigerant loss due to any reason shall be made good by the contractor.

3. All consumable filter elements/ rolls.

4. All chemicals for descaling and chemical washing of CHW coils.

5. All spares of compressors, cooling towers, package units and other equipments as required in the system.

6. All carbon brushes required to replace worn brushes in electric motors.

7. All electrical contact points required to replace worn out electric contact points in switchgears, motor starter gears, electrical control gears and electric relays.

8. All electric fuses required to replace blown fuses. Just before the expiry of the AMC of the contract, the contractor shall carry out a complete system operability test on all the systems or sub-systems as called for in the contract.

The purpose of the test is to verify that the performance of all the systems or sub-systems in the contract is in ducting work, cutouts in walls/ slabs and making good of same, if required.

4. Adequate lighting in machinery areas.

5. Space for keeping incoming materials of vendor. Vendor is responsible for safe custody of all incoming materials himself.

Special Note 1. In case any work requires shutdown, vendor will take prior permission of Air India before carrying out shutdown work. In any case no inconvenience shall be cause to the building occupants and visiting public due to malfunctioning of AC system.

AIR INDIA LTD.

PROPERTIES AND FACILITIES DEPARTMENT

Tender No. PF/DL/EM/2019/03 Dated 15-02-2019 Sub : Rendering services operation cum comprehensive maintenance of central air-conditioning plant & ventilation system etc. at Air India EMF Bldg., IGI Airport, Terminal-2, New Delhi.

SCHEDULE OF QUANTITIES Sl.

No.

Description of item Qty. Rate (Excluding GST)

Per month For 12 months 1 Rendering services for operation cum

comprehensive maintenance of central air-conditioning plant & ventilation system etc. at Air India EMF Bldg., IGI Airport, Terminal-2, New Delhi.

Note: GST will be paid extra as per Govt. norms

Job

Total for 12 months

Rebate, if any ______%

GRAND TOTAL

IN WORDS (Rupees ____________________________________________________________

___________________________________________________________________________only)

SIGNATURE OF THE TENDERER WITH RUBBER STAMP Dat e :

Place :

D E C L A R A T I O N S

Sub : Rendering services for operation cum comprehensive maintenance of central air-conditioning plant & ventilation system etc. at Air India EMF Bldg., IGI Airport, Terminal-2, New Delhi.

Tender No. PF/DL/EM/2019/03 Dated 15-02-2019

I/We hereby declare that I/We have read and understood the conditions of contract, specifications, drawings, schedule of quantities etc. and hereby agree to abide by them. In token thereof I/We have signed below and at the end of schedule of quantities. I/We also understand that otherwise this Tender is liable to be rejected.

I/We understand that our Tender will not be considered, if the rates for item are not written both in FIGURE AND WORDS.

I/We hereby confirm that only the relevant entries asked for have been made within the Tender documents issued to us. I/We also confirm that in the event of any entry in this Tender document, other than the relevant entry, shall make this Tender invalid.

I/We hereby agree to comply with all the provisions of the applicable laws and other enactments and amendments made thereto, from time to time. It shall remain exclusively and solely liable for all obligations under all applicable laws such as The Contract Labour (Regulation & Abolition) Act, 1970, The Payment of Wages Act, 1936, The Workmen’s Compensation Act, 1923, The Industrial Disputes Act, 1947, The Minimum Wages Act, 1948, The Payment of Bonus Act, 1965, The Employees Provident Funds & Miscellaneous Provisions Act, 1952 & The Employees State Insurance Act, 1948. The Fatal Accident Act, The Delhi Shops & Establishment Act, any other rules/by laws that are prevalent or may be promulgated in this matter. I/We shall also be responsible to comply with all provisions of any other labour laws as or may be in force and applicable.

We agree to abide by the Provision of ESIS and PF Act. We also authorize Air India to make appropriate recoveries towards the above, in case of any default in compliance and/or on direction from this appropriate bodies.

We agree to submit to Air India necessary reports and return as required for compliance of ESIC & PF regulations.

I/We hereby declare that my/our Firm is registered for GST with the respective Service Authority as per its applicability. I/We shall submit an attested copy of valid registration certificate to Air India immediately on award of work.

DATE : SIGNATURE OF THE TENDERER

PLACE : WITH RUBBER STAMP