Tamil Nadu Generation And Distribution Corporation Limited Tender
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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Electrical and Maintenance Works
Eprocure
Opening Date25 Feb 2021
Closing Date29 Mar 2021
Tender AmountRefer Documents
Costs
EMD
₹ 1,400Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Hvac System-dismantling Of Defective Condenser Coil In The Centralised Ac Unit #03 In The Main Control Building- Providing Of New 50tr Condenser Module
Description
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Contact
Tender Id
2021_EB_198623_1Bid Award Id
ViewTender No
SE/VGTPS/RMD/WC.NO.184/20-21Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://https://www.tangedco.gov.in/
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Documents
BOQ Items
Charges for Installation of new 50TR condenser coil module (Consisting of 4 Nos. Coil) in the 50TR Centralized AC Unit #03:
This work involves preparing the existing frame structure for erecting new coils by grinding & welding; Providing holes in the coil frame for fixing with frame and cover plates; Lifting the 4 Nos. of coil one by one by using lifting tackles;Positioning in the existing MS Structure frame; Stitch welding with the structure for rigid fixing; Fixing the outer cover plate and welding with the MS Frame; Positioning 4 Nos. of Condenser fan unit in the system as per the direction of Engineer in-charge.
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Charges for providing vapour line and liquid line net work pipe lines. This work involves connecting the vapour line from compressor discharge header to condenser coil module; Connecting the liquid line from each coil to the common condenser out let line by bracing/welding after alignment and edge preparation about 48 Nos. of Joints size of 25mm (Bend/Elbow/Socket).
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Charges for Installation of refrigerant receiver tank with isolation valve arrangements:
This work involves to modify the over sized refrigerant receiver tank which is availble in the Pocket Store as per our system requirement; Fabricate inlet and out let connection for providing isolation valves; Provision to fix Pressure gauge , Safety relief valve, Etc. Fixing the receiver tank in the bed frame of 50TR AC System with additional support arrangements.
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Charges for installation of MS C Class refrigerant pipe with Specials:
This work involves complete installation of MS C class pipe size of 50 NB with Elbow and Tee ; 1 No. Y Strainer along with two isolation valves, Suction line isolation valve , inlet outlet valves each 1 No. for refrigerant receiver tank by welding/Bracing
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Charges for N2 pressure testing , vacuum creating in the refrigerant system: This work involves charging of Nitrogen gas in the aircondition system upto 1.25 times of operating pressure; holding the pressure for 6 hours; Checking for any leak in the bracing/welding Joints; Complete releasing the stored nitrogen gas in the system and attending leak by bracing/welding; Repeat the leak testing procedure; Create Vacuum in the entire system and charging with R22 gas , testing and normalizing as per the direction Engineer in-charge.
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Charges for providing temporary platform in the working area for the entire work period.
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