Just saw thins on the Melbourne Airport website.
Click here to the view live webcam of the runway works.
Images are updated every 15 mins. works on the runway are 24-7 until mid May.
Camera is located at the southern end of the North/South runway, and the image is updated approximately every 15 minutes.
media release > http://www.melair.com.au/corporate_info/media_release.asp?id=248