CLIENT: RCR O’Donnell Griffin
VALUE: $1 million – $5 million
DURATION: Aug 2017 – Jan 2018


Shamrock Civil Engineering was engaged by RCR O’Donnell Griffin to carry out bulk earthworks for the establishment of a 116 MW solar power plant to the Sun Metals zinc refinery in Townsville. The solar farm will cover up to 120 hectares of land and will be connected into Sun Metals existing 33/132kV substation.

Scope of works
  • Stripping of vegetation on site which was a disused mango farm
  • Leveling and rolling of 140,000m2 site
  • Filling and compaction of three dams
  • Demolition of 1.67km of existing construction road to the site
  • Forming of the Solar Array earthworks including spreading of 80,000m3 spoil mound, screening and stock piling of 20,000m3 of spoil material and re-working 47,000m3 of old quarry ground levels
  • Construction of 7km of unsealed access roads to enable construction of the array structures
  • Construction of footings for the support structures, including bored piers
  • Removal and disconnection of redundant water main.

Shamrock Civil Engineering successfully completed the project with zero LTI’s recorded.