Supply of Single 110kw Fans & Fan Starters. which is ultimately owned by Barrick Gold Corporation and the Government of the United Republic of Tanzania requests the submission of Quotes from reputable, experienced, certified, and qualified parties to provide the following: Fan specifications: 4x single 110kW Fans, 550V, 50Hz, 1400mm diameter with inlet screen and discharge EVASE Provide clear diagram/drawings of the fan unit with all details & sections Provide details of the fan including fan brand, motor brand, fan curves and duty points Fan Starter and specifications: 4 x single 110kW fan starters 550V, 50Hz built to as/nzs 3000 standard Fan starter will be Star Delta, 550V, 50Hz assembled and mounted inside a mine spec 2mm powder-coated (orange) steel ventilated lockable IP54 enclosure. The starter should be engineered and assembled by Murray Engineering. V Provide electrical wiring diagram of star delta starter for the below information. The specs of the starter as below. Starter type Star Delta with panel engineered by Murray. Installed with a manual/auto change over switch to select operation mode with start and stop push buttons to activate. Installed with large, illuminated latching Estop push button mounted on front of enclosure. All switches, push buttons and indicators to be clearly labeled affixed with 3mm SS screws. If in auto position the fan will restart after power loss, if in manual it will need to be restarted by the start push button. Installed with delay start push button mounted separately to the start button. Adjustable from 0-60 mins. Led Ip56 indicators mounted on the front of the panel to show operational functions, Power available, Stage 1 (energized), delay start activated, E/L fault and fault indication. All control voltage should be 24vac and starter should have separate earth leakage protection. The starter should have 400A load break main switch. Each stage to have a 250A load break switch for isolation. Rated lineside contactor for each stage in line with main isolator closed only during operation. Coil consumption for main contactors, Pull-in max 15A, Holding max 1.5 A. If the pull-in or holding values are higher, the main contactors must be controlled via an auxiliary contactor. Clear wiring diagram/schematic (laminated). Submit: Electrical drawings and specifications i.e. Single line diagram/schematics and star delta specifications. Key documents Clear and detailed quotation of the fan unit and its starter, including warranty for the fan motors and starters. (Quote for Fan, Starter and accessories each on different row) Company registration documents i.e. Certificate of incorporation, business license, TIN, VRN, Tax Clearance Certificate etc. Applicable certification, accreditation, affiliated registrations, and letter of dealership as required. BRELA detailed search document indicating Tanzanian ownership percentage, Tanzanian management and below management employment percentage to determine classification as an Indigenous Tanzanian Company as per the Local Content Regulation, 2018. Approved Local Content Plan or acknowledgement of submission from the Mining Commissioner. Tender Link : https://tenders.ajirazetu.tz/supply-of-single-110kw-fans-fan-starters/
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