Clearways Project Upgrade
Constructed as a part of the CityRail Clearways Project the Bondi Junction Turnback provides a second turnback facility at the station. The major work consisted of the construction of a new crossover tunnel on the "Up" (City) side of the station. This creates an "X" or diamond or "scissors" shaped junction allowing terminating trains to arrive at either platform. The changes allow the full line capacity of 20 trains per hour to be turned at Bondi Junction (the prior limit being 14).
In addition, extra stabling facilities were provided by utilitising unused sections of tunnels past the "Down" end the station. These tunnels were constructed on anticipation of continued tunnelling towards Kingsford. They have had track laid and overhead wire installed for a length of two eight-car trains in each tunnel. This gives a total stabling capacity of five eight-car trains (two in each siding and one in the turnback tunnel).
Complementing the stabling capacity at the station is the erection of a staff meal and waiting room for drivers and guards on the platform level.
Construction began on the site in October 2004. Major work was scheduled for a two-week period between 26 December 2004 and 10 January 2005. During this period the station was closed and trains terminated at Edgecliff, one station away. The closedown period was subsequently extended to four weeks because of poor progress. The station belatedly re-opened on January 24, 2005. An additional shutdown of two weeks was provided from 2 July through 17 July 2005. Night works and weekend closedowns took place variously throughout the construction period.
The project commissioning was delayed several times from September 2005 to February 2006 and finally April 2006. Commissioning took place on the Easter weekend of April 14–17, 2006. The facilities were brought into use in the weeks prior to the introduction of a new timetable on the Eastern Suburbs/Illawarra and South Coast lines on 28 May 2006 and began full operation from that date.
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