The purpose of this contract consists of furnishing all labor, materials, tools, equipment and insurance needed to perform Mechanical and HVAC Preventative Maintenance and Repair at Durham Public School Facilities. The proposer is responsible for developing the service prices necessary to conform to the contract specifications that are applicable to the service locations being proposed on. PREVENTATIVE MAINTENANCE SERVICE includes, but is not limited to; inspect, repair as needed, and replace all failed, worn, stationary or moving components and or parts including but not limited to: refrigerant, oil, bearings, motor systems, seals, gears, burners, actuators, controls valves and switches. Included in this category are Critical Components and parts of DPS’ HVAC System which include, but are not limited to: Cooling Tower, Pumps, Boilers, Unitary Equipment, Reciprocating/Screw Chillers. 1. Clean debris from platform and surrounding area. 2. Clean water sump and check condition. 3. Clean float valve assembly and adjust for proper operation. 4. Check and clean bleed off line and overflow. 5. Clean tower strainers. 6. Clean tower spray nozzles and eliminators. 7. Flush cooling tower after cleaning. 8. Check sump heaters and thermostats for calibration and operation (As needed) 9. Check and adjust fan belts, replace as necessary. 10. Fill system after cooling tower has been cleaned. 11. Check for leaks. 12. Lubricate fan and motor bearings per manufacturer’s recommendation. 13. Check amperage on motors. 14. Inspect electrical connections, contactors, relays and operating / safety controls. 15. Check and adjust condenser water temperature regulator system. 16. Water treatment (free flow or feeder)
