Complex sentence: The site then passed to AMEC which operated it as an offshore facility: the yard was responsible for pre-fabricated construction of the Gateshead Millennium Bridge completed in 2001 and also conducted fitting out of the Bonga FPSO in 2003.
Split into simpler sentences: The site then passed to AMEC which operated it as an offshore facility. The yard was responsible for pre-fabricated construction of the Gateshead Millennium Bridge completed in 2001 and also conducted fitting out of the Bonga FPSO in 2003.