The asset owner was unable to isolate the main without draining a reservoir.
The answer? Nova Siria Duofit encapsulation collar. Nova Siria 900mm Duofit installation last week on a steel main with leaking joint. Able to repair the leaking collar without any disruption to the network and also provided a significant cost savings on their traditional repair methodology. Difficult install with limited space between a pipe support and 30 degree bend along with no access for heavy equipment.