Complex sentence: The groundbreaking ceremony took place in March 2005, the depot was constructed on the site over 13 months, being completed 3 April 2006, at a cost of about £30M.
Split into simpler sentences: The groundbreaking ceremony took place in March 2005. The depot was constructed on the site over 13 months, being completed 3 April 2006, at a cost of about £30M.