Specifications include, but are not limited to: 2.3.1 Preventive Maintenance Schedule The Contractor shall perform preventive maintenance services at the optimum efficiency in accordance with each equipment manufacturer’s recommendation for HVAC mechanical systems, including all its operating, distributing, and controlling components. The Contractor shall coordinate with the Maintenance Supervisor to schedule the exact dates and times for performance of preventive maintenance at each facility. The Contractor shall perform preventive maintenance services on all HVAC equipment as outlined in Sections 2.3.1.1-2.3.1.13 below. 2.3.1.1 Boiler Start Up/Changeover at Dormitory 1 and Dormitory 2 At the beginning of the heating season, the contractor shall provide all necessary labor to valve the system over and start equipment, checking for proper operation. This service shall be performed once per year. At the end of heating season, the contractor shall provide all necessary labor to valve the system over and shut down equipment, verifying proper seasonal shut down. This service shall be performed once per year. 2.3.1.2 Boiler Equipment Maintenance – Quarterly service and Inspections as follows: The Contractor shall: • Inspect and adjust operation of system components as required. • Inspect and adjust safety and operation controls as required. • Lubricate all moving parts as needed, including but not limited to actuators, pumps, and motors. • Inspect and adjust tension on all belts and replace as needed. • Inspect and check fuel oil pumps, heaters, and clean strainers. • Inspect and adjust all linkages as required. • Inspect and provide visual analysis of burner operation. • Record all pressures and temperatures, as well as general condition of equipment. 2.3.1.3 Boiler Equipment Annual Maintenance – Once per year, contractor shall perform the following preventive maintenance services as required and applicable: The Contractor shall: • Perform all items listed in quarterly inspections, not to exceed four months between service. • Brush and clean all boiler fireside heating surfaces. • Vacuum all combustion debris from and soot from combustion area and refractory surfaces. • Clean and vacuum breeching connection. • Inspect condition of the refractory and report all needed repairs. • Check baffle plates and assure good condition. • Perform a hydrostatic test on all hydronic boilers at normal operating pressure. • Replace all belts. • Inspect boiler fireside surfaces to assure no leaks are present. • Install all boiler casing, panels and properly secure. • Place the burner back into service for a normal operation and performance. • Check the gas train for leaks. When normal operating pressure has been attained, the Contractor shall test the following safety devices to ensure proper operation • Low Water Cutoff • High Limit & Operating Controls • Modulating Controls • Tune up boiler and check flue gas for efficiency. 2.3.1.4 Air Cooled Chiller/Condensing unit Changeover at Dormitory 1 and Dormitory 2 At the beginning of each cooling season, the Contractor shall provide all necessary labor to valve the system over, start equipment, and check for proper operation. The Contractor shall perform seasonal start up in accordance with the manufacturers’ recommendations and coordinate to start up schedule with the Maintenance Supervisor to be completed no later than April 30 of each year. At the end of the cooling season, the Contractor shall provide all necessary labor to perform a seasonal shutdown, inspection, and winterization process in accordance with the manufacturers’ recommendations and coordinated with the Maintenance Supervisor to be completed no later than October 30 of each year.
