Specifications include, but are not limited to: Contractor shall furnish all labor, materials, and equipment required to correct, improve, replace or repair all HVAC Systems as required and upon proper authorization and direction by an authorize representative of the City. 3.2 The repairs shall consist of replacing parts to restore systems to normal operation. Contractor shall be capable of responding within two (2) hours notice and service must be available twenty-four (24) hours per day, seven (7) days per week. 3.3 The work will be unscheduled and intermittent and on an "as needed" basis. Contractor will be expected to have personnel onsite to assist the City's Building Services Division in the event of a disaster