4. VENDOR RESPONSIBILITIES. a. Provide standard proof of work documentation following the completion of work. Document must include sufficient information to identify the facility where the work was performed, equipment, and/or components on which the work was performed, the purpose of work, date and time of the work, parts used, types of refrigerants, and the name/cert. # of technicians executing the work. This should be submitted within 5 business days of the work being performed. b. Provide 24-hour emergency service as needed in all aspects of the HVAC emergency repair for the City of Spring Hill Facilities. Emergency hours shall be Monday through Friday 5:00 pm to 7:00 am. and 24 hours each day on weekends and holidays. The company shall provide emergency response on-site within two (2) hours of notification but must also provide a call-back to City staff within 30 minutes to discuss the issue and response plan. Failure to meet these requirements can result in the termination of the agreement. c. Provide a staffing level that will provide the desired level of customer service, program support, HVAC maintenance and repairs. d. Use technicians sufficiently trained and under the direction of a licensed HVAC mechanic holding a Tennessee license. e. Provide the ability to respond immediately (within 2 hours) to situations involving the health and safety of employees and/or the public. Routine repairs, service requests, or other non-urgent tasks shall be completed within one (1) working day from the date of the request.