Quotation Are Invited For Replacement Of Condenser Coils Of York Vfd Chiller At G Ro Plant

Quotation are invited for Replacement of Condenser Coils of York VFD Chiller at G RO Plant. 1.#INTRODUCTIONTHE BRIEF SCOPE OF THE ENQUIRY IS AS BELOW,A.#SUPPLY AND SERVICES SCOPE: G RO CHILLER- 2, YORK MAKE, MODEL:YVAA0413HB F50BAV IS EQUIPPED WITH 20 NOS. ALUMINUM MICROCHANNEL TYPECONDENSER COILS. WE PROPOSE REPLACING THESE COILS WITH NEW ALUMINUMMICROC HANNEL TYPE CONDENSER COILS WITH THERMO-GUARD COATING.THIS CHILLER VFD COOLING SYSTEM USES 4 NOS. GLYCOL CONDENSER COILS WITHCOPPER TUBES & ALUMINUM FINS. WE PROPOSE REPLACING THESE CONDENSER COILSWITH THE SAME CONDENSER COILS TYPE WITH THERMO-GUARD COATING.B.#SUP PLY SCOPE: SUPPLY OF 2 NOS. ALUMINUM MICROCHANNEL TYPE CONDENSERCOILS WITH THERMO-GUARD COATING AS A SPARE FOR REPLACING IN G ROCHIL LER- 1, YORK MAKE, MODEL: YVAA0413HBF50BAV AND OTHER CHILLERS IN THEPLANT.2.#DETAILED SCOPE:A.#SUPPLY AND SERVICES SCOPE:1.#REMOVAL OF 20 NOS. EXISTING MICROCHANNEL TYPE CONDENSER COILS OFG-RO PLANT YORK MAKE VFD CHILLER-2 AFTER RECOVERY OF REFRIGERANT (R-134AGAS) FROM THE SYSTEM. (TECHNICAL SPECIFICATION TABLE ITEM#1)2.#SUPPLY, INSTALLATION & COMMISSIONING OF 20 NOS. NEW MICROCHANNELTYPE COND ENSER COILS WITH THERMO-GUARD COATING.3.#REMOVAL OF FOUR EXISTING GLYCOL CONDENSER COILS OF COPPER TUBES &ALUMINUM FINS FOR VFD COOL ING SYSTEM AFTER RECOVERY OF GLYCOL FROM THESYSTEM AND SUPPLY, INSTALLATION & COMMISSIONING OF NEW COILS OF SAMETYPE. (REFER TECHNIC AL SPECIFICATION TABLE ITEM- 2).4.#IT IS THE CONTRACTOR#S RESPONSIBILITY TO DESIGN THE NEW MICROCHANNELTYPE CONDENSER COILS TO MATCH THE SPECIFICATIONS AND PERFORMANCE OF THEEXISTING MICROCHANNEL TYPE COILS.5.#THE NEW COILS MUST BE EQUIVALENT IN BOTH PERFORMANCE A ND DESIGN TOTHE ORIGINAL MICROCHANNEL COILS CURRENTLY INSTALLED IN THE SYSTEM.B.#SUPPLY SCOPE: THE CONTRACTOR SHALL SUPPLY 2 NOS. OF ALUMINUMMICROCHANNEL COILS WITH THERMOS-GUARD COATING. (REFER TECHNICALSPECIFICATION TABLE ITEM-3) AS SPARE CONDENSER COIL FOR THE REMAININGCHILLERS.C.#ALL THE MECHANICAL & ELECTRICAL WORK REQUIRED FOR COMPLETING THE JOBSUCH AS CLEANING OF THE BASE, CUTTING, BRAZ ING REFRIGERANT PIPES,DISCONNECTION, RECONNECTION, REMOVAL, REINSTALLATION OF CONDENSERCOOLING FANS & MOTORS AND TESTING & RE-COMMIS SIONING OF THE CHILLERSHALL BE CARRIED OUT BY CONTRACTOR.D.#REMOVED EXISTING CONDENSER COIL TO BE TRANSPORTED TO THE DEWAD-STATION S CRAP YARD BY THE CONTRACTOR. MATERIAL RETURN NOTE WILL BEPROVIDED BY DEWA.E.#THE CONTRACTOR SHALL CARRY OUT THE REPLACEMENT OF FILTE R DRIER CORE,OIL FILTER & COMPRESSOR OIL FOR CHILLERS.F.#BIDDERS MUST SUBMIT RECORDS OF PREVIOUSLY COMPLETED SIMILAR JOBS TOSUPPORT THEIR QUALIFICATION AND ENABLE EVALUATION OF THEIR OFFER.G.#ONLY BIDDERS WITH A DOCUMENTED HISTORY OF SIMILAR JOBS, WILL BECONSIDERE D FOR THIS PROJECT.H.#THE BIDDERS SHALL SUBMIT THE EXPECTED LIFETIME OF THEIR PROPOSEDCONDENSER COILS TO EVALUATE THEIR OFFER.I.#PRE SSURE TESTS WITH NITROGEN GAS SHALL BE CARRIED OUT AT 200 PSI ANDRESTORE THE UNIT IN NORMAL WORKING CONDITION.J.#IT IS THE CONTRACTO R#S RESPONSIBILITY TO TAKE ACTUAL MEASUREMENTS OFCOILS REQUIRED TO COMPLETE THE JOB AS PER SITE REQUIREMENTS.K.#ANY ITEM NOT MENTIONED IN THE SCOPE BUT NECESSARY FOR THEINSTALLATION & COMMISSIONING OF CONDENSER COILS SHALL BE IN THECONTRACTORS SCOPE.3.#TECHNICAL SPECIFICATION OF EXISTING AND REQUIRED CONDENSER COILSSR.#UNIT DESCRIPTION#TYPE OF EXISTING CONDENSER COIL#NO. OF COILS#SIZE- L X H X W OF COIL IN MM#TYPE OF REQUIRED CONDENSER COILS1#CHILLER- 2YORK CHILLER MODEL: YVAA0413HBF50BAV(SUPPLY & SERVICES SCOPE)#ALUMINUM MICROCHANNEL#20#2115 X1211X 25#THERMO-GUARD COATED ALUMINUM MICROCHANNEL2#CHILLER- 2YORK CHILLER MODEL: YVAA0413HBF50BAV(SUPPLY & S ERVICES SCOPE)#CU TUBE & AL FINS (GLYCOL)#4#450 X 600 X 25#THERMO-GUARD COATED COPPER TUBES WITH ALUMINUM FINS CONDENSER COILS3#SPAR E CONDENSER COIL (SUPPLY SCOPE ONLY)#ALUMINUM MICROCHANNEL#2#2115 X1211X 25#THERMO-GUARD COATED ALUMINUM MICROCHANNEL COILS Qty: 20 B.#SUPPLY SCOPE: THE CONTRACTOR SHALL SUPPLY 2 NOS. OF ALUMINUMMICROCHANNEL COILS OF YORK CHILLER MODEL: YVAA0413HBF50BAV, WITHTHERM OS-GUARD COATING. (REFER TECHNICAL SPECIFICATION TABLE ITEM-3) Qty: 2 Replacement of Condenser Coils of York VFD Chiller at G RO Plant. Enquiry may send to Dolphin Radiators along with other parties 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. Supplier Registration: https://srm.dewa.gov.ae/irj/portal/anonymous/regis Tender Link : https://srm.dewa.gov.ae/sap/opu/odata/sap/ZSRM_RFX_REG_BID_SRV/AttachmentSet(2332503442)/$value

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