![Hundreds of contractors with union-friendly deals risk missing out on government jobs.](/web/20170208140907im_/http://www.smh.com.au/content/dam/images/g/t/0/z/k/l/image.related.landscape.460x307.gu8bp6.png/1486538551028.jpg)
Clock ticking for builders to avoid 'black list'
Thousands of contractors risk being immediately barred from all new Commonwealth-funded construction work if the Turnbull government brings forward the deadline for compliance with its national building code.