(a) Public access in this part means access by eligible users, for eligible activities, or by other users for other activities that either support the purpose of the BIG-funded project or do not interfere with the purpose of the BIG-funded project. An operator of a BIG-funded facility must not allow activities that interfere with the purpose of the project.

(b) An operator of a BIG-funded facility must allow public access to any part of the BIG-funded facility during its useful life, except as described at paragraphs (e) and (f) of this section.

(c) An operator of a BIG-funded facility must allow reasonable public access to other parts of the facility that would normally be open to the public and must not limit access in any way that discriminates against any member of the public.

(d) The site of a BIG-funded facility must be:

(1) Accessible to the public; and

(2) Open for reasonable periods.

(e) An operator may temporarily limit public access to all or part of the BIG-funded facility due to an emergency, repairs, construction, or as a safety precaution. (f) An operator may limit public access when seasonally closed for business.