Specifications include, but are not limited to: Collier County Public Utilities Division intent of these specifications is to establish the minimum requirements for Crane Rental Services on an “as needed” basis. The County may determine the crane size or request the vendor to assist in determining the crane size for the project, capacity, and length of rental on a “project by project” basis. The contractor shall provide cranes, booms, operator, and all necessary rigging, chokers, and personnel. The equipment services are an “as-needed” basis. The contractor shall provide proof of valid Crane Operator certification for each crane operator upon request by the Division Representative, if required, for the work site where crane services are being performed.