Defence Research And Development Organisation Tender
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Defence Research And Development Organisation - DRDO Tender
Electrical Goods and Equipments
Electrical and Electronics
Eprocure
Opening Date27 Dec 2024
Closing Date24 Jan 2025
Tender Amount₹ 81,23,000
Costs
EMD
₹ 1,62,460Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_DRDO_841710_1Tender No
81026 CCE SM CDEF CHILLER 2024 25Tender Authority
Defence Research And Development Organisation ViewPurchaser Address
-Website
http://https://www.drdo.gov.in/home
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Documents
BOQ Items
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All electrical and control terminals shall have adequate protection against rain water, moisture and hot sun. The Chiller Unit shall have Safety Interlocks High discharge Pressure trip, Low suction Pressure trip, Temperature cut-off limits for switch ON & OFF, Anti-freeze trip, Single phase preventer trip for compressors, Electrical overload relay trips, No flow trip, Oil level switch for compressors. Chiller controller shall be of microprocessor based.
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Microprocessor based controller shall have manual override and should be able to operate in local mode/remote mode/BMS mode.Chiller unit shall be suitable to operate in ambient temperature of up to 45˚C & RH of 5% to 95%. All piping shall be properly insulated to with vibration absorbing pads minimize heat loss. Chiller should be installed on existing civil foundation however existing civil foundation may be required to be modified for accomodating new chiller - 02 Nos Chilled Water Piping modification ,repairs with Al Cladding as per Site conditions (Supplying, laying/ fixing, testing and commissioning of nominal sizes of chilled/hot water piping inside the building (with necessary clamps, vibration isolators, and fittings but excluding valves, strainers, gauges etc.)and as required at site - 01 Job
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(b) Dismantling .Lifting ,shifting of Existing Air Cooled condensing units dismantling of 90TR Aircooled Scroll Chiller. (Electrical, Mechanical isolation, refrigerant evacuation ) - 02 Nos
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(c) SITC of Flow Switch for 90TR Chillers (Providing and fixing water flow switch on chilled water outlet complete as required at site - 02 Nos
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(d) SITC Of Temp Gauge (Providing and fixing thermometer Mercury filled V form type complete as required at site - 08 Nos
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(e) SITC of Pressure Guage (Providing and fixing pressure gauge with gauge cock, thermowell. complete as required at site - 08 Nos
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(f) SITC of MS Valves (Providing and fixing the following motorized butterfly valves as required at site - 08 Nos
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(g) AHU Overhauling (Research Lab)-Blower motor overhauling, checking and repairs/ replacement of Door Switch, Heaters, Hunidifier, Honey comb as per site conditions/requirements and modification ducting for fresh air provision as per site requirement - 02 Job
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(h) Control Panel repairs as per site conditions for 90TR Scroll chillers - 02 Job
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PART-B : 30TR Aircooled Condensing unit 02Nos replacement with 11TR 06 Nos Aircooled Condensing Unit and Coil replacement
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(a) Supply, installation, testing and commissioning of 11TR Aircooled Ductable Split Unit (having scroll compressor and indoor, outdoor condensing unit) with CFC free ecofriendly refrigerent charged (Including N2 Pressure testing,vaccuming with N2 Cylenders) as per site requirement to suitable attached with existing system - 06 Nos
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(b) Cooling Coil replacement/modification for Compatiblity with existing all AHU's and Condenser along with safety interlocks HP/LP Switch, Expansion valves, relief valves as per site requirement - 01 Job
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(c) Dismantling .Lifting ,shifting of Existing Air Cooled condensing units 30TR (Electrical, Mechanical isolation, Refrigerant evacuation) - 02 Nos
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(d) Supply & Installation of 5/8" & 1 1/8" Cu Hard pipe for 8.75TR DSU along with insulation for liquid line.{This item comprises of suction and discharge copper pipe of 5/8 inch dia. and 1 1/8 inch dia. respectively. One meter of schedule item will comprise one mtr of suction pipe plus one meter of discharge pipe running in respective circuit of specified diameter along with all necessary pipe fitting, joints etc - 350 Rmt.
• All the refrigerant piping should be done according to standard of air conditioning practice with 16 SWG thick hard drawn copper pipes with necessary fittings. Refrigerant pipe shall be clamped properly whenever necessary. Entire piping work shall be executed by the contractor. The piping shall be leak proof.
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• Oil trapping loops to be provided wherever required to ensure proper oil return to the compressors. • The refrigerant and drain pipe should be insulated with suitable nitrile rubber pipe sections/ tape.
• Each refrigerant circuit should be suitable for operation on ecofriendly (CFC free) and should include the hand shut off valves, Suction and discharge valves for isolation of each Compressor.
• The serviceable / removable components should have union connections for easy removal /assembly}
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(e) SITC of Ancillary Copper Items like hand set valves, filter drier, relief valve, dead cap, angle valve,expansion Valves - 06 Set
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(f) Modification of GI duct for supply air along with insulation ,Canvass connection for connection to AHU {Price shall cover for supply erection testing and commissioning of 22 SWG GI sheet duct fabricated with prime quality GI sheet & MS frame work of suitable size as per requirement at site. Portion of the duct not covered with insulation and visible shall be properly painted with enamel paint} - 06 Job
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(g) SITC of copper armoured cable 4C*10Sq mm {The work involve supply, erection, testing & commissioning of power armoured copper cabling from main panel to AC unit & controlling cable. These cables are required to be used in accordance with the site requirement & in view of the current capacity of the equipment in order to smooth functioning of the equipment. The work should be carried out in an approved manner under the supervision of Engineer-in-Charge - 450 RMT
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(h) SITC of copper armoured cable 3C X 1.5(Cu) sq mm with CPVC Conduit Pipe {The work involve supply ,erection ,testing & commissioning of power armoured copper cabling from communication cable from outdoor (Condenser coil) to AHU/IDU ( Cooling coil). These cables are required to be used in accordance with the site requirement & in view of the current capacity of the equipment in order to smooth functioning of the equipment. The work should be carried out in an approved manner under the supervision of Engineer-in-Charge - 400 RMT
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(j) SITC of cable Tray 450X50 {The price shall cover supply, erection, testing and commissioning of GI fabricated cable tray of size 450 mm x 50 mm including fixture and fittings are to be of perforated pattern 1.6mm minimum mild steel with returned edges galvanized overall. Trays shall be supported from the soffit of structural slabs and beams by mild steel rods not less than 6mm diameter and under slung mild steel angles, or alternatively, supported on steel angle brackets secured to walls. The former method shall be preferred where practicable. All supports and hangers shall be hot-dipped galvanized with bolts and nuts electroplated - 60 RMT
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(k) SITC of 8 swg earthing copper cable with existing system {The maintenance free earthing arrangement shall be done in accordance with RDSO specification no. RDSO/ PE/ SPEC/ PS/ 0109-2008 (REV’0’). For transformers, substation earthing, LT line equipment / 40 kA, The IR value shall be less than 1 ohm., in normal soil resistivity upto 50 ohm-mtr, single electrode type earth system - 70 RMT
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(l) SITC of PVC drain Line 40mm dia {The price shall cover the cost of supply, loading, transportation and unloading to site, erection, testing and commissioning of material, fixing of Hard PVC Drain piping with 9 MM pipe lagging foam insulation of size 2 inch. The pipe shall Excellent quality, Sturdy, Dimensionally accurate, Leak proof, Low maintenance as per site requirement & as directed by Engineer-in-Charge - 40 RMT
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(m) Modification repairs of existing VFD Panel for 11TR Condensing units as per Site conditions as per site requirement & as directed by Engineer-in-Charge - 01 Nos
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(n) Supply Air Duct repairs, saddle work repairs for Duct Support, MS Work painting as per site requirement & as directed by Engineer-in-Charge - 01 Job
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(o) Civil Openings core cuttings for Return Air Duct as per site requirement & as directed by Engineer-in-Charge - 01 Job
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(p) Return Air Duct Provision (Supply,installation, testing and commissioning supply and return air grilles/ diffusers as per specifications and drawings including fixing frame of G.I./wooden in false ceiling/walls) as per site requirement & as directed by Engineer-in-Charge - 01 Job
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(q) All AHU Overhauling -Blower motor overhauling ,checking and repairs/replacement of Door Switch,Heaters,Hunidifier,honey comb as per site conditions/requirements and modification ducting of fresh air provision as per site requirement & as directed by Engineer-in-Charge - 01 Job
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(r) Chilled Water Pump Overhauling for 90TR Aircooled Scroll chillers as per directions of Engineer-in-Chage - 02 Nos
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Schedule of Credit
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Schedule of credit for UNSV 2 x 90 TR Chiller
300000
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-300000
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Schedule of credit for UNSV 2 x 30 TR Chiller
150000
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-150000
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