Mount Piper Unit 1 Steam Turbine Upgrade – October 2020

PGSR was engaged to provide all supervision, trades, non-trades and HSE resources to execute the major outage works on the Mount Piper upgrade project. 

Image features CV Rotable spare being lifted in.

Specific works included:

  • Replacement of 660MW turbine steam path 
  • Generator stator rewind
  • LP heater replacement
  • Turbine steam valve overhaul
  • STG auxiliary and cooling water system maintenance

Shoalhaven Hydro Refurbishment – 2019

PGSR was engaged to provide all trades and non-trades resources to execute the major outage works on the Bendeela and Kangaroo Valley hydro turbines. 

Specific works included:

  • Runner replacement
  • Generator inspection overhaul
  • Main inlet valve overhaul
  • Hydraulic control system overhaul

Jeeralang B1 Gas Turbine & Generator Overhaul

PGSR was engaged to provide all trades and non-trades resources to execute the major outage works on the Jeeralang B1 gas turbine and generator.

Specific Works included;

  • GT rotor removal and bucket replacement
  • Replacement of GT nozzles and shrouds
  • Generator rotor removal and retaining ring replacement
  • Assembly followed by cold and hot commissioning

Jeeralang B2 Gas Turbine Overhaul

PGSR was engaged to provide all trades and non-trades resources to execute the major outage works on the Jeeralang B2 gas turbine.

Liddell Transformer Replacement and Service

PGSR was engaged to provide all trades and non-trades resources to execute the major outage works on the Liddell Transformer Replacement & Service.

Vales Point – Main Condenser Re-tube

PGSR was engaged to provide all trades, non-trades and tooling resources to execute the scope of works to assist Conco in the re-tube of Vales point unit 6 main condenser.

Specific works included:

  • Removal of outlet CW elbows
  • Removal of outlet water boxes 
  • Removal of all ancillary equipment
  • Repair and replacement of all equipment

QAL Outage on 12.5MW Generator Set

PGSR was engaged directly by QAL to provide all trade, non-trade, tooling and equipment resources to execute the major outage works on the 12.5MW Stahl Laval generator set.

Specific works included:

  • Strip and inspect Turbine rotors
  • Strip and inspect Turbine vales
  • Generator inspection overhaul
  • Replacement of all stator wedges in generator
  • Strip, inspect and repair all auxiliaries coolers pumps and fans

Workshop Support – Bayswater Valves

PGSR was engaged to provide all workshop trade, non-trade, tooling and equipment resources to execute the strip, inspect, repair, and rebuild of spare main turbine valves.

Specific works included;

  • Strip and inspect and report on all valves
  • Repair as per approved report
  • Rebuild using free issue spares
  • Return to site stores for future use with full QA records

Workshop support – Broadwater Bearings

PGSR was engaged to provide all workshop trade, non-trade, and tooling and equipment resources to execute the strip, inspect, and repair of spare main turbine and gearbox valves.

Specific works included;

  • Visual, dimensional and NDT all bearings
  • Report to the client with costings
  • Repair and replacement as required 
  • Package and return with full QA to client