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Status: COMPLETE

HATS (Harbour Area Treatment Scheme) | Stage 2A

Client:Gammon Construction | Drainage Services Division
Location:Hong Kong
Contract Duration:4 years
Safety Statistics:1.21 LTIFR

The HATS Stage 2A is a major Government infrastructure project in Hong Kong. It is being implemented in stages to combat water pollution caused by urban development around Victoria Harbour Hong Kong.

The HATS Stage 2A Sewage Conveyance System (SCS) will comprise a network of tunnels. Vertical shafts connected to the tunnels will collect sewage from the eight PTWs and convey it to Stonecutters Island Sewage Treatment Works.

Scope of Works

Vertical excavation works for the HATS (Harbour Area Treatment Scheme) Stage 2A , including;

  • Blind sinking 4 shafts ranging from 8m to 12.5m diameter to a depth of 180 metres, establishing off shaft drives and Raise drilling of 7 pipe shafts from surface to underground
  • Designing and fabrication of shaft mucking system to WA Mining Regulations standards to suit both the initial shaft excavation and subsequent tunnel waste rock removal
  • Shaft sinking by hand held methods to a depth of 180m below surface
  • PEG (Pre Excavation Grouting) to 70 bar undertaken systematically during shaft and tunnel advance to prevent water inflows
  • Off shaft development to establish hoisting system and tunnel rail systems
  • Installation of shaft steel work, services and ventilation ducts
  • Housing all operations within a sound attenuating enclosure
  • Installing and commissioning automated hoisting system for tunnel rock extraction.
Client:Gammon Construction | Drainage Services Division
Location:Hong Kong
Contract Duration:4 years
Safety Statistics:1.21 LTIFR

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Nick Maguire Manager Mechanised Mining and Raise Boring

Nick Maguire

Manager Mechanised Mining and Raise Boring

Since 1996, Nick’s career to date has predominantly involved underground metalliferous mining.
His experience gained during this time has been from the ground up, having spent years working underground at the ‘coal face’ through to statutory and senior management positions on site and at corporate head offices. This has given Nick an in depth knowledge of all aspects associated with underground mining.

Tracey Chan

Chief Financial Officer & Company Secretary

Tracey is a CPA qualified Accountant with over 22 years’ experience, 9 of which have been with RUC Mining Contractors as Financial Controller.  Prior to her tenure with RUC Mining, she worked in various industries including engineering and construction, property and telecommunications across Perth, Melbourne and London.  Tracey leads the Finance, Procurement, and supply chain functions, supporting internal and external stakeholders, while also managing company secretarial obligations for RUC Mining and its subsidiaries.

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