Looks at how construction extranets can overcome the problems faced by facilities managers during construction project handover. Facilities managers often struggle with insufficient information about the systems and procedures built into newly finished buildings. Construction extranets can considerably improve the flow of information, with shareware packages that enable users to view technical drawings irrespective of the format they were prepared in. Outlines the variety of contruction extranets available, with particular refence to www.buzzsaw.com and www.bidcom.com. In project delivery, a key advantage of using extranets is productivity and cost savings. Other benefits include access to general construction market information, building product manufacturing data, and end-user participation via online discussion groups. List of construction extranet websites, general information websites, and online discussion forum websites.