REQUEST FOR QUOTATION
BUL-RFQ-21-11-07-EF —Complete Substation and MCC
Bulyanhulu Gold Mine (“the Company”), a fully owned subsidiary of Twiga Minerals Corporation, 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:
Supply of Complete Substation and MCC – Upgrade of East Fan MCC -1 sets
- Brand: ABB
- 6m long x 3.5m wide x 3.1m high E-house – outside dimensions, with F type 120 fire
rating, HVAC, Internal 380V distribution board (Electric Orange with Earth Leakage), Earth Bar 400mm long x 40mm thick with 6 x 10mm holes, Weatherproof outside bulkheads with daylight sensor and battery backup, 220 VAC / 16 Amp sockets, indoor type – white PVC, Fire extinguishers – CO2 4.5kg – Steel brackets, Wiring, terminations and earth wires, and COC certification.
COMPONENTS
1.MV Switchgear
2.Optional Arc Vent
3.LV DN strbution Panel
4.BTU
5.HVAC
6.Fire Control Panel
7.Protection and Control
8.Scada Panel
9.Control Panel
10.Meetering Panel
11.Optinal Tropical/Safari Roof
12.Transformer
- Fire Detection system with alarm, strobe light, sensors, signage and control panel
- Safari Roof, IBR — Galvanized single slope (removable for transportation)
- Access stairways, landings and hand railings to both single and double doors on either end of the E-house
- Support E-house base columns and bracing 1.5m (Site assembly)
- SCADA server panel with Zenon Energy Edition v8.20 1500 tags for 4 relays – incoming
switchboard. Free standing 19-inch panel with 21.5-inch color touch screen, keyboard and mouse tray, small Ethernet switch.
- Powercom 3000VA Line Interactive UPS with USB 171 15,115
- Battery Tripping Unit 110V 5A 30AH
- 6,6 kV; 630 A; 31,5 kA; 4 panels of UniGear Digital, UniGear ZS1, 1 x Incomer, 2 x Motor Starter & 1 x Feeder.
- Vacuum Circuit Breaker Type VD4/P p150 12kV 630A 31.5kA
- 1x Protection relay REX640
1x REX640_ARC_4sensor/loop
1x REX640_COM_RJ45(LHMI)+3xRJ45+SFP100MLCrack
1x REX640_BI0_14BI+8BO
1x REX640_SIM_3combisensor+1CT(sensitive)+1VT
1x REX640_AIM_4CT+1CT(sensitive)+5VT
1x REX640_PSM_24-60VDC+3S0+2SS0+2P0+3POwithTCS
- Switchboard accessories
1.x Electronic phase comparator KUVAG
2x UniGear Single End Cover
1.x Outlet with grid and flap
1x Tool case VD4-10 incl. (2+2pcs Double bit key 3,2mm + 5,2mm, 2pcs Lever for
ES, 2pcs Lever for LBS, 2pcs Lever for truck, 1pc Tool to adjust HV door blocking )
1x Tin of 400g of grease
4x Plates, labels, manual and pocket with documentation
1.x Correction pen for paint touch up
1x Apparatus service trolley 17.5kV 650mm
- Line earthing switch
Group of auxiliary contacts (GNO+5NC) for E/S
Mechanical interlock between feeder compartment door and earthing switch position
Padlock on insertion of the earthing switch operating lever
- 3x Current Sensor KECA 80C104, Ip<=1250A, accuracy class 0.5/5P400
- 3.x Voltage Sensor KEVA 17.5B20, Up<=17.5kV, accuracy class 0.5/3P
- Project Management fee
- Engineering drawings
- Installation and testing of the equipment at ABB Longmeadow
- 2Days Factory Acceptance Test at ABB Longmeadow
Key documents
- Clear and detailed Quotation
- Company registration documents i.e. Certificate of incorporation, business licence,
TIN, VRN, Tax Clearance Certificate etc.
- A written statement 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;
- Applicable certification, accreditation, affiliated registrations, and letter of dealership as required;
- Approved Local Content Plan or acknowledgement of submission from the Mining Commissioner
Submission of Quotes
Please submit your quotes via email to [email protected]. The reference “Complete Substation and MCC – BUL-RFQ-21-11-07-EF” must be quoted in the subject line of the email.
NB: The Company reserves the right to invite any other supplier(s) who did not submit a quote through this advertisement
Key Dates
- Last date to submit quotes 31% December,2021
Bulyanhulu Gold Mine Limited
