B777 FLT CREW CONTACTS TEMPORARY PLASTIC BARRIER WHILE TAXIING AT JFK.

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WE PUSHED AND RECEIVED CLRNC TO TAXI TO RWY 31L VIA TXWY TA; L ON TXWYS B; J; HOLD SHORT OF RWY 31L. DURING THE L TURN ONTO TXWY B; FROM THE NEWLY OPENED TXWY TA; AN ACFT ON TXWY B HOLDING SHORT OF TXWY TA NOTIFIED GND THAT WE MAY HAVE CONTACTED ONE OF THE TEMPORARY BARRIERS. FROM INSIDE THE ACFT THE TURN SEEMED NORMAL AND NO INDICATION OF CONTACT WITH THE BARRIER WAS FELT. THE CAPT REQUESTED CLRNC TO RETURN TO THE GATE. ONCE AT THE GATE MAINT INSPECTED THE L MAIN GEAR AND THE TXWY AREA FOR DAMAGE. AFTER OBSERVING THE TXWY AREA ONE OF THE TEMPORARY PLASTIC BARRIERS WAS DAMAGED. FURTHER INSPECTION OF THE L MAIN LNDG GEAR SHOWED NO SIGNIFICANT DAMAGE. JFK MAINT; AND CAPT APPROVED THE ACFT AIRWORTHY AND WE CONTINUED ONTO OUR DEST UNEVENTFULLY. IT IS TO BE NOTED THAT TXWY TA IS THE NEW TA. THE NEW TXWY OPENED THE DAY BEFORE THIS EVENT. THE RAMP SUPVR THAT NIGHT EXPLAINED TO US THAT HE HAD RECEIVED SEVERAL COMPLAINTS ABOUT THE PLACEMENT OF THE NEW TEMPORARY PLASTIC BARRIERS FROM OTHER AIRCREWS. ON ONE OCCASION SOME OF THE BARRIERS WERE BLOWN AWAY FROM JET BLAST. RAMP REQUESTED THE NY PORT AUTH TO REPOSITION THE BARRIERS THE DAY BEFORE OUR EVENT BUT NO ACTION WAS TAKEN BY THEM.