The match was in the balance until the last six minutes when Gloucestershire scored a converted try and a penalty to run out 30 - 15 winners .
The match was switched from Brixham to the Royal Navy 's artificial surface in Plymouth due to the bad weather .
The match , which was switched from Brixham to the Royal Navy 's artificial surface in Plymouth due to the bad weather , was in the balance until the last six minutes when Gloucestershire scored a converted try and a penalty to run out 30 - 15 winners .