Tender for Supply of UPSs (40Kva parallel UPS)
Tender No. KTRN/ADMIN/S/2021/12/001
Date of issue: December 08, 2021
Date of bid submission: 17th December 2021
Time: 10 AM
INTRODUCTION
KT Rwanda Networks Ltd (KTRN) is the only 4G LTE infrastructure company in Rwanda, jointly invested by the Government of Rwanda and Korea Telecom (KT) exclusively for wholesale provision of universal mobile broadband network in Rwanda using 4G LTE technology. The wholesale network service for mobile broadband will help to promote healthy competition for advanced retail services and solutions and will benefit consumers, enterprises, and the nation in transforming Rwanda into the ICT hub of East Africa. The company also provides wholesale fixed services based on its national wide fiber infrastructure to licensed operators in Rwanda
Details:
KtRN is looking for a company that fulfills the stated requirements to supply 2 UPSs (40Kva parallel UPS) as per below specifications;
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Supply and Installation of UPSs (40Kva parallel UPS) each of 40Kva with below specifications. Required quantity: 2 pieces. |
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INPUT Nominal Voltage 380/400/415Vac (3Ph+N+PE) Operating Voltage Range 200~478Vac Operating Frequency Range 40~65Hz at 50Hz / 54~66Hz at 60Hz (auto sensing) 40~70Hz (Inverter mode) Power Factor ≥ 0.99 Bypass Voltage Range 380Vac Max.voltage: +25% (optional +10%, +15%, +20%) 400Vac Max.voltage: +20% (optional +10%, +15%) 415Vac Max.voltage: +15% (optional +10%) Min. voltage: -45% (optional -20%, -30%) Bypass Frequency Range Frequency synchronize tracing range: ±10% ECO Range Same as bypass Harmonic Distortion (THDi) ≥3% (100% non-linear load)
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OUTPUT |
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Nominal Voltage 380/400/415Vac (3Ph+N+PE) Power Factor 0.9 Voltage Regulation ±1% Frequency Line Mode ±1%/ ±2% / ±4% / ±5% / ±10% of the rated frequency (optional) Bat. Mode 50/60(± 0.1) Hz Harmonic distortion (THO) ≤2% with linear load, ≤5% with nonlinear load Efficiency 93.50% 94.5% |
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SYSTEM FEATURES |
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Transfer Time Utility to Battery: ≤0ms; utility to bypass: ≤0ms Overload Load≤110%: last 60min, ≤125%: last 10min, ≤150%: last 1min, ≥150% change to bypass. The system monitoring of the UPS must be monitored remotely Communication USB, RS232, RS485, Parallel port, REPO port, Coupler dry contact, Intelligent slot, SNMP card (optional), Relay card (optional). Remote monitoring system set up to be included on both UPSs Environment 0 to 40 °C |
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Operating Relative Humidity 0 – 100 (Non-condensing) % Storage Temperature -15 to <50 °C Storage Relative Humidity 0 to 95 (Non-condensing) % Audible noise at 1 meter from surface of unit 63.0dBA PHYSICAL |
REQUIREMENTS TO BID
1. Trade license of the similar works
2. Valid RRA Tax clearance Certificate
3. Detailed company profile,
4. References for similar works
5. Warranty period
6. Financial proposal of the two UPS.
N.B: Price should include delivery to KTRN Warehouse in Free Trade Zone. Bidders are encouraged to indicate any financial discounts and delivery date.
Well, scanned bids, properly bound and presented in one file not exceed ten Megabytes (10MB) must be sent by email on procurement@ktrn.rw no later than December 17th, 2021, at 10:00 am local time. Late bids will be rejected.
Please note that there will be no public opening due to the COVID-19 pandemic.
For any inquiry you can write to Mike.Bwatete@ktrn.rw in at least 2 days before the bids submission deadline.
Done at Kigali, on 8th December 2021
MANAGEMENT
