Scope of Work

• Extract and manufacture 6000m3 of road base material from the islands borrow pit. Extract and screen 6000m3 of scour rock from the islands quarry site. Cut to spoil 1500m3 on the bunker hill batter to widen and improve access to the Bunker and Lower Landing Zone.

• Construction of 5.5km of rock filled table drain, 47 creek crossings and a number of drainage outlets and scour protection. The treatment of 27 culverts including the replacement of 8 culverts and 30 headwalls.

• Over 5km of gravel re-sheeting works, site clearing of Dugong Airfield and construction of 14 new lay-by areas to improve driver safety on the island.

• Due to the remote location of the project, Shamrock Civil were required to establish a 27 man camp on the island and mobilise plant, equipment, materials and supplies via barge while project personnel were flown on and off the island via helicopter.

Project Complications & Achievements

Gravel material available for use on the island did not meet specification requirements. Shamrock Civil were required to negotiate and source the required materials elsewhere. The project team delivered the best possible outcome for the project in conjunction with the client and Defence. The project was completed on time despite delays to the original commencement date, road base approval and the difficult remote conditions. The project was logistically challenging being one of the most remote job sites that Shamrock Civil have undertaken. Due to this added element of the project, the delivery team displayed a high level of strategic planning and coordinating with SWBTA Range Control, having to manage helicopter transfers and barging materials and equipment to ensure the successful delivery.