• Dive summary:
• It is not a sign of doubt in your people or your company to have a plan in place for what to do if a construction accident happens on a site where you are working.
• Know in advance who will respond, who will handle which roles and who will be the risk-management team, and after addressing any medical issues, lock down the site and begin to document everything with witness accounts, photographs and video.
• If investigators ask for information, keep careful track of who is given what, and be sure that any reports directed by your attorney are treated as privileged information.

From the article:

Most construction companies, at some point in their life, will experience a job site accident. ...