The pair are currently T9 though with 55 platers yet to complete their rounds are not likely to end the first 18 holes there.
John Senden and Matt Jones were the other Australians ot complete play for the day, Senden even par and T97 while Jones is 1-over and T123. Aaron Baddeley is 4-under through 17 holes and presently T22.
American Robert Garrigus holds a one stroke lead at 9-under, his day off to an extraordinary start with five consecutive birdies from the second.
Fellow American Adam Schenk is outright second at 8-under, one ahead of lone third place holder Chris Stroud at 7-under.
Another American, Kevin Tway, is among those T4 at 6-under though has three holes remaining to potentially move up the standings.
Pampling was among the early starters and was safely in the clubhouse when the bad weather hit, forcing players from the course for two hours and 44 minutes.
The popular Queenslander posted six birdies against a lone dropped shot, back to back gains at his final two holes a high note to finish on.
Percy, who was also in the mix last week in Kentucky, continued his solid recent from with two birdies on the way to the turn and three more on the inward journey.
He holed a 26 foot effort for birdie at the par-3 7thbefore play was called for the day and will return early tomorrow morning to complete the final two holes.
Baddeley has just one hole remaining but will be less pleased with his finish, two bogeys midway through his second nine costing him valuable places on the leaderbaord.
Tommy Fleetwood has made three eagles in his round through 16 holes including a run of 6-under in four holes prior to play being suspended.
Players will return to the course early tomorrow morning to complete their opening rounds before round two gets underway upon completion of first round play.
RULES - PRACTISING ON THE COURSE:
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