Helen Boit is the Integrated Matron for Keswick, Cockermouth and Maryport.
"Work has already begun and will take about six months to complete.
"The hospital will be open as usual during this time as work has been staged through the hospital has been planned carefully to ensure that current services can still operate with we hope as minimal disruption as possible."
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Train services in Cumbria are disrupted today by strike action over guards on Northern trains.
The bodies of three lurcher/greyhound dogs have been discovered just off the A75, near Stranraer.
Temporary train services are running on the Lakes Line from today, after Northern closed the line over two weeks ago.