Quotation Are Invited For Reconditioning Of Chillers

Quotation Are Invited For Reconditioning Of Chillers 1032302825Rfx Description Reconditioning Of Chillers 1 Item-00001 Scope Of Work For Hvac System Chillers And Ahu Reconditioning Chiller: 1.#Compressor: A)#Replace Oil Of All Compressors # Oil Specif Ications (Poe) B)#Check Oil Level Sensor. Replace If Necessary. C)#Check Loader/Unloader Solenoid Coils. Replace If Necessary. 2.#C Ondenser Fan Motors: A)#Check Bearings And Replace If Necessary. B)#Check Fan Leaves And Replace If Necessary. C)#Check Mounting Of Fans. Repair Or Replace If Necessary. 3.#Check The Condition Of Filter Dryer Cores. Replace Filter Drier Cores Wherever Required. 4.#Check All Hp & Lp Switches Of Chiller System. Replace If Necessary. 5.#Check All Hp & Lp Transducers Of Chiller System. Replace If Necessary. 6.#Check All Solenoid Valves & Valve Coils Of Chiller System. Replace If Necessary. 7.#Check All Thermostatic Expans Ion Valves Chiller. Replace If Necessary. 8.#Check All Temperature Sensors In The Following Circuits. Replace If Necessary. A)#Ref Rigerant Circuit B)#Oil Circuit. C)#Chilled Water Circuit 9.#Check All Gauges (Pressure & Temperature) Of Refrigerant & Chilled Wate R Circuits. Replace If Necessary. Add Missing Gauges. 10.#Carry Out Functional Checks Of Motorized Valves In Chilled Water System. Repair Or Replace If Necessary. 11.#Check Condition Of Sight Glasses. Replace If Necessary. 12.#Check Condition Of Flow Switches. Replace If Necessary. 13.#Inspect All Components Of Electrical Control System In The Electrical Panel Of Chiller. Replace Defecti Ve Components. 14.#Conduct Quality Check Of Chilled Water. Doze Necessary Chemical If Found Necessary. 15.#Check Strainers Of Chill Ed Water System. Remove Accumulated Scales And Replace Strainers If Necessary. 16.#Check The Conditions Of Chilled Water Primary (8 Nos.) And Secondary (6 Nos.) Pumps. Overhaul The Pumps By Replacing Required Accessories. Ahu: 1.#Check Following In Supply Air Ch Amber: A)#Ahu Supply Air Motor Bearings. Replace If Necessary. B)#Check Condition Of Belts. Replace If Necessary. C)#Check Conditi On Of Drain Line. Remove Chokes If Any. D)#Check Condition Flow Switches. Replace If Necessary. 2.#Check The Condition Of Supply A Ir Duct Dampers And Their Actuators. Repair Or Replace Dampers If Necessary. Replace Actuators Wherever Necessary. 3.#Check Follow Ing In Return Air Chamber: A)#Ahu Return Air Motor Bearings. Replace If Necessary. B)#Check Condition Of Belts. Replace If Necessa Ry. C)#Check Condition Flow Switches. Replace If Necessary. 4.#Check The Condition Of Temperature Sensors In The Supply Air System And Replace Wherever Necessary. 5.#Check The Condition Of Pressure Differential Switches And Their Pipe. Replace These Switches And Pipes Wherever Necessary. 6.#Check Door Locks And Gaskets Of All Removable Panels Of Ahu Casing. Repair Or Replace Door Locks Wher Ever Necessary. Replace Gaskets Wherever Necessary. Repaint Corroded Panels After Proper Surface Preparation. Paint Used, Shall B E Applied In Two Layers I.E. First Layer Of Primer As Undercoat (One Round) And Second Layer As Topcoat (Two Rounds). Paints Used Shall Be Polyurethane Based Synthetic Enamel. Colour Should Match The Existing One. 7.#Check Chilled Water-Cooling Control Valves (A Ctuators) And Replace If Necessary. 8.#Check All Temperature And Pressure Gauges In The Supply/Return Air System. Replace If Necess Ary. 9.#Inspect All Components Of Electrical Control System In The Electrical Panel Of Ahu. Replace Defective Components. 10.#Reloc Ation Of Sensors Is To Be Done At Five Places. General T&C And Information: A.#Replacement Should Be Of Same Make And Same Specific Ations. B.#Qualified Hvac Engineer Should Do Evaluation Of Defect. (Credentials Hvac Engineer Will Be Evaluated By Emd K Engineers). Skilled And Competent Technicians Shall Do Execution Of Repair/Replacement. C.#The Part Worked Upon, Shall Be Restored Back To It Perfect Aesthetics By Reinstalling The Cladding/Insulation/Supports/Fasteners Etc. D.#Supports Wherever Required For Mounting Of Com Ponents/Devices/Pipelines Shall Be Additionally Provided. E.#Functional Check Of All Replaced Components Has To Be Carried Out And I Ts Integration Should Be Verified In Bms. F.#Bidder Shall Give Unit Price For Each Service Line Item. G.#Site Visit Shall Be Done To Evaluate The Full Scope Of Work And Acquaint To The Work Location. For More Information, Please Contact Emd K Engineers (Jude.Pras [email protected] & [email protected]) 2 Item-00001 Rectify Defects Of Fan Motors 5 Ea 3 Item-00001 Rectify Defects Of Filter Dryer Core 4 Ea 4 Item-00001 Rectify Defects Of Hp & Lp Switches 5 Ea 3 Ea 5 Item-00001 Rectify Defects Of Hp & Lp Transducers 5 Ea 6 Item-00001 Rectify Defects Of Solenoid Valves 5 Ea 7 Item-00001 Rectify Defects Of Thermostatic Exp. Val 5 Ea 8 Item-00001 Rectify Defects Of Temp. Sensors 4 Ea 9 Item-00001 Rectify Defects Of Pressure Gauges 4 Ea 10 Item-00001 Rectify Defects Of Temp. Gauges 5 Ea 11 Item-00001 Rectify Defects Of Motorized Valves In C 3 Ea 12 Item-00001 Rectify Defects Of Sight Glass 3 Ea 13 Item-00001 Rectify Defects Of Flow Switch 4 Ea 14 Item-00001 Rectify Defects In Electrical Panel (Chi 1 Job 15 Item-00001 Chemical Dosing In Chilled Water Line 1 Job 16 Item-00001 Rectify Defects In Stariners 3 Ea 17 Item-00001 Rectify Defects Of Primary Pumps 2 Ea 18 Item-00001 Rectify Defects Of Secondary Pumps 2 Ea 19 Item-00001 Top Up Refrigerant 1 Job 20 Item-00002 Ahu Supply Air Motor Bearings Replacemen 4 Ea 21 Item-00002 Check Condition Of Belts & Replace In Su 30 Ea 22 Item-00002 Check Alignment Of Blower And Motor (Sup 28 Ea 23 Item-00002 Rectify Defect Of Flow Switch (Supply Ai 20 Ea 24 Item-00002 Rectify Defects Of Supply Air Duct Dampe 30 Ea Standard Terms & Conditions 1) Prices Should Be Ddp Delivery Duty Paid At Dewa Stores. 2) Quotation To Be Submitted Only In Local Currency U.A.E Dirhams 3) Dewa Standard Payment Terms Is 30 Days Credit From The Date Of Acceptance Of Material 4) No Dewa Staff Or His Or Her Relatives Up To Third Degree Should Have Ownership Or Partnership In Your Company, And Your Participation In Dewa Tenders / Rfqs Should Not Constitute A Conflict Or Perceived Conflict Of Interest. 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