VALUE: $1,225,000.00

DURATION: March 2024 – August 2024

NRG were engaged by Blackwater Mine, operated by Whitehaven Coal, to complete the Electrical package for the Major Shutdown on Dragline 38.
NRG Provided 1 x Electrical Coordinator, 3 x Electrical Supervisors and 19 x Electricians.

Major Electrical Scope Items:

• DC Drive System Upgrade
• Upgrade from 1x 275kVA Transformer to 3x 120kVA
• Upgrade from GE DC 2000 Drives to Siemens Sinamic SRA80
• Rewire all drive cabinets
• Rewire of Power Cables to and from all Isolation Transformers incl. New Reticulation
• Install of 2x Motor Field Trimming Panels
• Complete Boom Rewire
• Complete Cabin/Kitchen Rewire
• Twiflex Brake Upgrade
• Electrical Service of HV Switchboards
• Replacement of House Fan and Bleed Duct Motors
• Complete Vendor Equipment Require (Fire Systems, CCTV, Structural Monitoring, Payload Monitoring)
• Cab & PCR A/C Overhaul
• Complete Generator Replacement and Sync Motor Overhaul
• Complete Lube Panel & Air compressor Overhaul
• Complete Motor Replacement (Hoist, Drag, Swing, Propel) Including Blowers & Oil Pumps
• Area Lighting Design and Installation
• Management of Commissioning Documentation
• Site set-up and decommissioning of Shutdown Offices.

OHS & QA FACTS

Environmental Incidents: 0
Safety Incidents: 0
Personal Risk Assessments: 2,394
JSA’s: 76
Field Leadership Completed: 162
Inspection Tests: 857