The purpose of this solicitation is to establish a contract with two (2) Qualified Proposer, to provide On-Call HVAC Maintenance and Repair Services. There will be a primary contractor as well as a secondary contractor. In the event that the primary contractor cannot fulfill District needs. Service Providers who perform any work under a contract resulting from this proposal shall fully comply with the provisions of the Federal Occupational Safety and Health Act of 1970 and any amendments thereto and all regulations pursuant to the act. The safety of the students, faculty, staff and the public must be maintained at all times, therefore, the Service Provider will be required to erect safety barricades and signs during each service visit. Signage shall be the responsibility of the Service Provider. The work shall not have a negative effect upon the daily operation of the school and shall not prohibit visits to the school.