Complex sentence: Construction started in 1804 to build the tidal "new cut" and divert the River Avon along the "Feeder Canal" to the harbour; a system designed by William Jessop and built by Isambard Kingdom Brunel.
Split into simpler sentences: Construction started in 1804 to build the tidal "new cut" and divert the River Avon along the "Feeder Canal" to the harbour. A system designed by William Jessop and built by Isambard Kingdom Brunel.