Tender For Supply, Installation And Trainning For Gold Processing Plant
Background
Ngali Mining Limited (NML) is a Private Limited Company registered in November 2015 under the Rwandan law, fully owned by NGALI Holdings and the latter being a public-owned enterprise. NML was created for investment purpose and improving the Mining service delivery basing on best practices internationally accepted. NML is currently undertaking mineral mining activities (underground tunnel and open pit) that requires to apply different machines and equipment for excavation, ore transportation and processing.

Details Of The Tender
Title of the Tender: Supply Of Gold Processing Plants
Tender Reference Number: № 05/NM/2022 (re-launched)
Procurement Method: open competitive bidding
Date of Issue of the tender document: 18/7/2022
Prepared by: Verified by Approved by:
Cissy MUCYO Assouman MUGABO Gervas HIGIRO
Director of Corporate Services Acting D.O Managing Director
Documents Comprising The Bid
1. Letter of commitment stamped and signed
2. A notified copy of valid trading license
3. A notified copy of Tax clearance from RRA (applicable for local suppliers)
4. The submitted envelope should be well sealed bids presented in 3 copies one of which marked original, it should be submitted to Ngali Mining Procurement office at Bodifa Mercy House, Floor 7 at Kimihurura to the above address not later than at the 28th July 2022 at 3pm.
5. The proposal will be well printed bids written in English, properly bound, Bids will be opened in the presence of the bidders who choose to attend at 1h30 am on the same date.
6. The bids will remain valid for 30 days starting from the deadline for their submission.
7. Bids will be prepared in two packages (one package will be including financial offer and another one will be including technical offer. Technical offer will include all administrative documents requested.
8. If you combine technical offer and financial offer, then your offer will not be received and considered.
9. During opening ceremony, only technical offer will be opened. Financial offer will be opened only for those bidders who will have passed technical evaluation.

"The tenderer submits its proposal at its own cost and risk and accepts that the company is not obligated to award the tender to the lowest bid or any bid. The company may make any amendments to the RFP and shall communicate the requisite amendments to the bidder and may provide, if need be, a reasonable extension of time to the bidder to make the alterations to their bid. The tenderer understands the bidding process is subject to the Mining Local Content Regulations, and that the said bid shall be in conformity with the Mining Laws of the Republic of Rwanda and any amendments thereto."

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Terms Of Reference For The Supply, Installation And Commissioning Of The Gold Processing Plant
Supply.
The following are the specifications of the equipment to be supplied:
Hard rock gold processing plant –wet designed

Items Specifications Quantity
(Jaw) Crusher
• Process Capacity: 3-5Ton /hour
• Maxi feeding size: 210mm
• Maximum Output size range: 40-80mm, adjustable
• Power: 15 kw 1

Hammer Crusher
• Process Capacity: 2-3Ton/hour
• Feeding size: <80mm
• Output size range: 2-30 mm, with screen inside the machine
• With Electric Motor
• Power: 11 kw 1

BALL MILL
• Process capacity: 2-3 Ton /hour
• Drum size: 900mm diameter, 3000mm length, wet process
• Feeding size: <30mm
• Output size: 0-1mm 1

Steel Balls
• 5 tons’ steel balls for the ball mill are required. 1
Shaking Table
• Process capacity: 1-2 TPH
• Deck size: 4500*1850mm
• Feeding size: 0-1 mm
• Motor: 1.1KW 1

Conveyor Belt
• Belt width: 500 mm, length:12meter
• Power: 4Kw 2

Slurry Pump
• Flow capacity: 3- 5M3/H
• Total head: 5-10m
• Model: 2/1.5 inch
• Power: 3 KW 2

Centrifugal Concentrator
• Process capacity: 2-3 TPH
• Feeding size: 0-1mm
• Motor: 1.1KW
1

Smelting Furnace
• Smelting capacity:1- 4kg/time
• Smelting time: < 5min
• Voltage: 380V
• Power: 5 KW 1

Plant Layout
• To be established including all set of equipment
• Elevation difference to be indicated where necessary
• Any other useful information 1
Alluvial gold processing plant –wet designed

Items Specifications Quantity
Trommel Scrubber
• Processing Capacity: 20-25 Ton/hour
• Drum Size: diameter 750mm
• Double layer Screen: 10mm & 3 mm mesh size
• Power=5.5kw
• Movable/Mobile type 1

Centrifugal Concentrator
• Process capacity:10-15T/H
• Maximum Feeding size: 0-6 mm
• Movable/Mobile type
• Power= 15KW 1

Gold Sluice with coarse moss carpet
• Process Capacity: 10-20T/H
• With Good Quality Coarse Moss carpet
• Size: 6m*1m(LxH) 2
Shaking Table
• Process capacity: 0.5-1.2TPH
• Feeding size: 0-2 mm
• Motor: 1.1kw 1
Smelting Furnace
• Smelting capacity:1-4kg/time
• Smelting time: < 5min
• Voltage: 380V
• Power: 5 KW 1

Plant Layout
• To be established including all set of equipment
• Elevation difference to be indicated where necessary
• Any other useful information 1
Tools and accessories
The supplier shall supply the tools (toolbox) and accessories required for plant installation.
Installations
Supplied equipment shall be installed by the supplier at the client’s premises (Miyove for hard rock gold and Ntendezi for Alluvial gold).
The client will provide Land (including civil works for leveling), Water, Electricity and will cover the trip expenses of the supplier’s technicians.
Commissioning
The supplier shall commission the operational plant to the client.
Training for the Ngali Mining team
The supplier shall train the client’s team to operate the plant and how to conduct regular services and maintenance of the equipment.
Note:
Timeline for each step has to be specified
GOOD LUCK
NGALI MANAGEMENT