A quote from the Minchas Elozor Zy”a (not relevant whether there is or isnt an Ertuv in BP)
????? ?????? ??? ???? ????? ??? ??? ????? ?”? (????’ ????? ?? ????? ??????? ???????? ????) ??????? ???? ????? ??”?, ??? ???? ???? ???? ??????, ??? ??????? ????? ?????? ??? ???’ ???? ?? ????? ???? ?????? ???”?.
???? ?? ????? ??’ ???? ????? ???? ????? ???”? ??????? ?”? f? ????? ??’ ??? ???? ??? ???? ???’ ????? ??? ?????, ??? ??????? ????? ??????? ???????? ??????? ??”? ????? ???? ????? ??? ????? ?????? ????? ?????”? ?????”? ?”? ??? ???? ?????? ???? ??????? ????”? ??????? ??????? ???? ????? ?”? (????) ???? ?? ????? ???? ??????.” (?????? ??”? ???? ??”?)
He himself used the Eiruv only once a year