Specifications include, but are not limited to: Description of Services: Provide general generator repair - maintenance, transfer switch repair - maintenance for the locations listed below. Awarded contractor shall furnish all labor, tools, transportation, equipment, materials, and supplies, as necessary. Awarded contractor shall be responsible for supervision, clean up and disposal, and must have all applicable permits, licenses, and insurance coverage. HHS may add, delete, or replace a generator on Attachment A or B - List of Generators and Locations. Facility will advise the contractor by Purchase Order Change Notice within ten business days of the addition or deletion of any location, any new or old generator, and when service shall begin if the generator is new.