This form is just something for you to build on. It based on forms another group uses for outdoor investigations. Feel free to download and use it. They have a preview page of it and you can download it there. Add to it , change it to suit your needs, it's just a starting point. Just copy and paste page links.
Sample Interview Questionnaire
http://www.ghosthunting101.com/form2.htmOutdoor Investigation Form
http://www.ghosthunting101.com/form1.htmSample Proposal Letter for Access to a Site for an Investigation
http://www.ghosthunting101.com/proposal.htmSample Release Form for Access to a Site
http://www.ghosthunting101.com/release1.htmlSample Release Form for Confidentiality and Release of Information
http://www.ghosthunting101.com/release2.html