More than 900 door frames have to be ripped out at the new Perth Children's Hospital as they may not comply with Australian fire standards, with Health Minister John Day blaming its builder John Holland.

Mr Day said the builder would wear the cost of replacing the 935 door frames. The Chinese-owned company would have to work hard to meet the mid-year hand-over date after previously installing 450m of faulty water pipes. “What I’m advised at present is it should not delay the opening of…