duplicating

Having two organisations often duplicating work, they say, led to wasted time and needless costs.

Questions have been raised about whether the organizations and individuals heading them — some of whom have criticized Bass’ initial actions after the fires erupted Jan. 7 — can put aside rivalries and avoid duplicating efforts.

The commission says the US company whose system it used maintained that "duplicating a voter on the voter list is impossible, as each voter is registered only once".

Part of that caution showed a desire for objectivity, but part also reflected the fear of duplicating what happened to Barry Goldwater, the Republican senator from Arizona, when he ran for president in 1964.

You have to do four times the research instead, with many duplicating each other’s work.