Corrigendum - Quotation Are Invited For Supply, Installation, Testing & Commissioning Of Motor Feeder Protec ... in United Arab Emirates

Work Detail

Quotation are invited for Supply, Installation, Testing & Commissioning of Motor Feeder Protection Relays 15KW Turning Gear Feeder Breakers. SUPPLY, INSTALLATION, TESTING & COMMISSIONING OF MOTOR FEEDER PROTECTIONRELAYS # 15KW TURNING GEAR FEEDER BREAKERS (2 FEEDERS)SCOPE OF WORK1.#OBJECTIVETHIS SCOPE OF WORK IS ISSUED FOR OPEN TENDER TO QUALIFIED SUPPLIERS TOSUPPLY, INSTALL, CONFIGURE, TEST, AND COMMI SSION A NUMERICAL MOTORFEEDER PROTECTION RELAY FOR 15KW, 3-PHASE, 380V, 50HZ TURNING GEAR MOTORFEEDER BREAKERS OF GTE2 AND GTE3 (TWO FEEDERS IN TOTAL). THE UPGRADESHALL REPLACE THE PROTECTION FUNCTION CURRENTLY PROVIDED BY A BASICTHERMAL OVERLOAD RELAY WITH A FULL Y FEATURED MOTOR PROTECTION ANDMONITORING RELAY CAPABLE OF RECORDING TRIP CURRENT AND FAULT CURRENT ATTHE INSTANT OF TRIPPING, THERE BY IMPROVING PROTECTION COVERAGE, FAULTDIAGNOSTICS, AND MAINTENANCE DECISION-MAKING.2.#BACKGROUND # EXISTING SYSTEMTHE TURNING GEAR MOTOR FEEDERS ARE CURRENTLY PROTECTED USING A THERMALOVERLOAD RELAY INSTALLED WITHIN THE EXISTING WITHDRAWABLE (DRAW-OUT)FEEDER MODU LE. THIS RELAY PROVIDES BASIC OVERLOAD PROTECTION ONLY ANDDOES NOT RECORD THE TRIP CURRENT, FAULT CURRENT, OR ANY EVENT/WAVEFORMDATA ASSOCIATED WITH A PROTECTION OPERATION, LIMITING THE ABILITY TODIAGNOSE THE ROOT CAUSE OF A TRIP AFTER THE EVENT.EQUIPMENT#TURNING GEAR MOTOR FEEDER BREAKER (DRAW-OUT/ WITH DRAWABLEMODULE)#NUMBER OF FEEDERS#2 (ONE PER UNIT # GTE-1 AND GTE-3)#MOTOR RATED POWER#15 KW #MOTOR FULL LOAD CURRENT (FLC)#31 A#EXISTING PROTECTION#THERMAL OVERLOAD RELAY ONLY # NO FAULT/TRIP CURRENTRECORDING CAPABILITY#REQU IRED UPGRADE#NUMERICAL MOTOR FEEDER PROTECTION RELAY WITH TRIPCURRENT AND FAULT CURRENT RECORDING DURING FAULT (FAULT RECORDER)#3.#D ETAILED SCOPE OF WORK3.1 DESIGN SUBMISSION AND APPROVALA)#THE SUPPLIER SHALL REVIEW THE EXISTING FEEDER MODULE (DRAW-OUT DOOR,CONTRO L WIRING, AND CURRENT TRANSFORMER ARRANGEMENT) AND SUBMIT ATECHNICAL PROPOSAL, GENERAL ARRANGEMENT (GA) DRAWING, AND CONTROL/WIRINGS CHEMATIC SHOWING THE PROPOSED INSTALLATION OF THE NEW PROTECTION RELAYAND ASSOCIATED ACCESSORIES.B) THE EXISTING RELAY IN ONE OF THE SWITCHGEAR WHICH CAN BE SEEN DURINGSITE VISIT TO GET AN IDEA IN THE SPECIFICATION.B)#THE PROPOSED RELAY AND ACCESSORIES SHALL BE SI ZED AND SELECTED TOSUIT THE MOTOR RATING (15 KW, FLC 31A) AND SHALL BE COMPATIBLE WITHRETROFIT INTO THE EXISTING DRAW-OUT MODULE DOO R WITHOUT REQUIRINGREPLACEMENT OF THE MODULE ENCLOSURE.C)#NO PHYSICAL WORK, DRILLING, OR WIRING MODIFICATION SHALL COMMENCE ONSITE U NTIL THE DESIGN DRAWINGS ARE FORMALLY REVIEWED AND APPROVED BY THEDEWA AUTHORIZED ENGINEER.3.2 TECHNICAL REQUIREMENTS OF THE PROTECT ION RELAYA)#THE RELAY SHALL BE A NUMERICAL/MICROPROCESSOR-BASED MOTOR PROTECTIONUNIT (INTEGRATED MOTOR MANAGEMENT RELAY OR EQUIVALEN T DIGITAL MOTORPROTECTION RELAY) PROVIDING, AS A MINIMUM: THERMAL OVERLOAD (MOTORTHERMAL IMAGE) PROTECTION, EARTH/GROUND FAULT PROTE CTION, PHASEUNBALANCE AND PHASE LOSS PROTECTION, SHORT-CIRCUIT/INSTANTANEOUSOVERCURRENT PROTECTION, AND STALL/LOCKED-ROTOR PROTECTION.B) Qty: 2 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(2332602499)/$value

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