Specifications include, but are not limited to:The purpose of this Request for Proposal (RFP) is to solicit sealed proposals to establish a contract through competitive negotiation with a qualified Contractor that can provide preventative maintenance services at a firm fixed price, emergency service and “on call” repair service on a time and materials basis for makes and models of heating, ventilation and air conditioning (HVAC) equipment as now may be owned or later acquired by the Virginia Veterans Care Center (VVCC). The Contractor shall furnish total/full maintenance for domestic hot water boilers including fireside cleaning and materials covered under this contract as indicated below: 1. Annual Maintenance shall be performed to include, but not be limited to, the following: a. Secure boiler, incorporating all aspects of lockout, tag-out procedures. b. Open fireside boiler and inspect all refractory material and replace as needed, inspect combustion chamber. c. Inspect and clean coils. Confirm there is no water leakage. d. Clean combustion air dampers of burner assembly. e. Check, calibrate boiler temperature/pressure gauge. f. Clean and inspect burner manifold orifices. g. Clean and gap burner and pilot electrodes. Replace/adjust if required. h. Clean and inspect all control wiring and terminals, tighten as required. i. Check for leaks on all gas valve and pressure regulators. j. Check all vent lines for connection, leaks and obstruction. k. Clean and inspect burner tube l. Test all safety and operating controls, calibrate as required. 2. Annual Testing shall be performed to include, but not be limited to, the following: a. Fire boiler per manufacturer’s recommendations. b. Verify correct operation of gas valves. c. Test gas pressure at burner, check and adjust burner and pilot pressure regulators as required. d. Test all safety and operating controls, calibrate as required. e. Test flame failure control for positive shut-off upon loss of flame. f. Test water pressure safety/relief valve for correct relief setting and positive seal.