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Tender no.: GM (M)/AR/2000007129 Page 1 of 37 MAZAGON DOCK SHIPBUILDERS LIMITED (A Government of India Undertaking) Dockyard Road, Mazagon, Mumbai 400 010. INDIA Certified – ISO 9001: 2015 for Shipbuilding Division Tel. No.: (022) 23763251, 3246. Fax: (022) 2373 8151 E mail:, Website: E-Procurement Website: DOMESTIC e- TENDER ENQUIRY (TWO- BID SYSTEM) FOR PURCHASE OF ITEMS DIVISION-SHIP BUILDING DEPARTMENT-MATERIAL PROCUREMENT: Tender no.: GM(M)/AR/2000007129 Tender date:11/03/2019, Tender Due Date:01/04/2019, Tender opening date 02/04/2019, Time at: 1400 Hrs EMD: INR 37,800/- (Rupees Thirty seven thousand eight hundred Only) MAZAGON DOCK SHIPBUILDERS LIMITED INVITES ON-LINE COMPETITIVE BIDS from reputed Bidders / Vendors in TWO BID SYSTEM (Part-I Techno Commercial Bid and Part-II Price Bid) on our e- procurement portal, for the following Supplies: 1. Description of work: Supply installation and commissioning of following Static Frequency Convertor: Sr. No. Description of Item Quantity Unit Delivery period (Completion of complete scope including Survey, Design, Supply installation, testing & Commissioning) 1 Static Frequency Converters - 115 Volt, 60 Hz, Three Phase 1 Nos. Within 14 weeks from PO date 2. Technical Specifications & Scope of Supply: Item Description, Quantity, schedule for order execution are as mentioned above in TEF clause No. 1. TECHNICAL SPECIFICATIONS & SCOPE OF SUPPLY Sr. No Technical Description & Scope of Supply: Static Frequency Converter 120V / 60 Hz, 3 PHASE 50 KVA 1. SCOPE OF SUPPLY a) Supply,installation & commissioning of Static Frequency Converter at site- 120 V / 60 Hz, 3 phases, 50 KVA. b) Two in nos change over switch (Havells/ABB/Siemens/ Legrand/ L&T make) along with MDL approved enclosure which shall be capable of taking 250 A load. c) One in no. MCCB of rating 125 A d)PVC insulated copper cable of size :size 3.5 Core x 120sqmm (Length approx 40 meters) PVC insulated copper cable of size:size 3.5 Core x 95 sqmm (Length approx 25 meters) Note: - Vendor has to carry out laying of cable, connectorisation, termination and installation/commissioning of SFC including change over switch and MCCB at site.Vendor should visit Tender no.: GM (M)/AR/2000007129 Page 2 of 37 site to understand the scope of supply of the order before bidding e) All consumables required for installation / commissioning is the responsibility of the vendor. f) After successful installation, load trials should be carried out by vendor at site. 2 GENERAL TECHNICAL DESCRIPTIONS: Input Supply Input Supply Voltage: 415V +/- 10% 3 Phases & 3 wire Frequency: 50 Hz +/- 4% Protection: MCCB Note: SFC should have phase sequence meter Output Requirement Output Voltage: 120 V, 3 Ph, 4 wire. Neutral to be provided which should not be connected to the neutral of input. Frequency: 60 Hz KVA rating: 50 KVA Maximum output Power: 45 KW Power Factor: 0.9 Voltage waveform: Pure sinusoidal Protection: MCCB Performance specifications Voltage tolerance: Static (Steady state): + /- 1% Dynamic : +/- 5 % When 100 % nominal load is switched ON & OFF Voltage Distortion: less than 2 % linear load, less than 5 % non-linear load when 100 percent nominal load is switched OFF and ON. Frequency tolerance: +/- 1 % Frequency distortion factor: < 1 % Total Harmonic distortion: < 2 % Frequency transient load response: 1ms Crest Factor: 3:1 Unbalanced load: 100% (all 3 phases regulated independently) Note: i) Output line voltage should be

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