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:
RMU specifications:
- Brand must be Schneider or ABB
- 3 way RMU unit, housed in a “kiosk”
- Kiosk plate must be of 5mm thick metal plate and should be able to open two doors of the kiosk to gain access to the RMU’s.
- All door handles must have a padlock able facilities available.
- No metering panel shall be required.
- RMU arrangement shall be as follows, 1 x incomer and two feeders.
- All incomers and feeders shall be of the following ratings 12kV – 25kA for lsec, 630 Amp and 50Hz.
- Every RMU, feeder or incomer, must have an SF6 Pressure gauge on their units.
- All Incomers and feeders of the RMU must have a VPIS unit available.
- All incomers and feeders of each RMU you should have a tripping and closing coil available and should be in the schematics provided with the quotation.
- Charging up of each RMU should be done manually and no automatic motor Mech will be required.
- All in comers and Feeders should be able to be switched on and off via a pendent/chicken switch, which the pendent can be plugged out once switching of the RMU has been completed.
- Protection Relay shall be of the VIP 410 Range.
- Protection relay VIP 410 to be self-powered by its current sensors.
- All RMU feeders will be equipped with a VIP410 and should be configured to the following tripping functions.
- Phase Overcurrent
- Earth Fault protection
- External tripping input of the VIP410 via a transformer high temp or Buchholz single for example.
- VIP410 output to trip the RMU circuit breaker during any fault.
- Every quotation submitted must be supplied with a GA and control schematics of the protection relay and the rest of their circuits.
Key documents:
• Clear and detailed Quotation
• Company registration documents i.e. Certificate of incorporation, business license, 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.
• Full General Arrangement (GA)+ Single Line (SLD) drawing to be submitted/supplied with every quotation for approval.
Submission of Quotes:
Please submit your quotes via email to [email protected].
The reference “BUL-RFO-23-02-01- Engineering Workshop RMU” 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. If you do not hear from us in 2ldays after the deadline date, please consider your bid/quote unsuccessful.
Key Dates
• Last date to submit quotes: 03rd March 2023.
Bulyanhulu Gold Mine Limited
