SOW Attachment 2. CONDENSING_BOILERS_REVISED_05272020.pdf

CONDENSING BOILERS

HAVE A QUALIFIED BOILER CONTRACTOR PERFORM AN ANNUAL INSPECTION OF BOILER FOLLOWING

MANUFACTURER'S RECOMMENDATION. BOILER TO BE READY FOR OPERATION BY OCTOBER 1.

BOILER MAINTENANCE TASK LIST:

WATER BOILERS

• PERFORM LOCK OUT- TAG OUT (LOTO) ON GAS AND ELECTRICAL POWER TO BOILER // LOTO 2

AND NFPA 70E TRAINING AND DOCUMENTATION

• INSPECT ALL COVERS AND REMOVABLE PANELS

• INSPECT BOILER INTERIOR

• CLEAN CONDENSATE TRAP

• CHECK CONDENSATE NEUTRALIZER IF INSTALLED //pH METER AND TEST STRIPS REQUIRED, pH

MUST COMPLY WITH WARRENVILLE AND BATAVIA LIMITS

• CHECK ALL GAS AND WATER PIPING FOR LEAKS // ELECTRONIC GAS LEAK DETECTION TOOL

REQUIRED

• VISUALLY INSPECT FLUE GAS VENT PIPING FOR RESTRICTIONS AND PROPER PITCH // 0.25 INCH

PER FOOT & A VISUAL INSPECTION

• INSPECT AND CLEAN IGNITION AND FLAME SENCE ELECTRODES

• INSPECT ALL BOILER WIRING AND INTERNAL CONTROLS

• INSPECT AND CLEAN HEAT EXCHANGER: STATIC PRESSURE TEST, VISUAL INSPECTION, FLUE GAS

CO CHECK

• INSPECT COMBUSTION CHAMBER AND GASKETING

• CHECK MAKEUP WATER SYSTEM NOTE: (SOME REQUIRE 30% PROPYLENE GLYCOL/WATER MIX)

// GLYCOL TESTER TOOL NEEDED

• CHECK EXPANSION TANK AND FLUID LEVEL

• CHECK BOILER PRESSURE AND TEMPERATURE GAGES FOR PROPER OPERATION

• CHECK PRESSURE RELIEF VALVE OPERATION VIA LIFT TEST / TEST FOR PROPER FLOW AND LEAK

TIGHTNESS

• CHECK GAS SUPPLY LINE PRESSURE // DOCUMENT MANIFOLD AND GAS LINE PRESSURE WITH

MANOMETER

• CHECK ALL OPERATING AND LIMIT CONTROLS

• CHECK OPERATION OF HIGH & LOW GAS PRESSURE SAFETY CONTROLS

• TEST FIRE BOILER // FOLLOW MANUFACTURER RECOMMENDATIONS FOR TEMPERATURE RATE

OF RISE TO PREVENT METAL STRESS / TUBE SHEET LEAKS

• TEST OPERATION OF LOW WATER CUT OUT MANUAL RESET

• CHECK OPERATION OF BURNER CONTROL

• CHECK VISUALLY FOR FLAME CONDITION

• CHECK FLAME SIGNAL STRENGTH WITH VOM

• CHECK FLUE PIPING FOR LEAKAGE AND RESTRICTIONS: VISUAL AND CO DETECTOR

• PERFORM CARBON MONOXIDE TEST IN BOILER ROOM TO ENSURE 0 PPM // VENDOR TO HAVE

CARBON MONOXIDE TESTER AND CAPABILITY TO USE

• PERFORM COMBUSTION ANALYSIS // COMBUSTION ANALYZER TOOL REQUIRED

• PROVIDE DOCUMENTATION OF FINDINGS FOR A.S.M.E. CSD-1 COMPLIANCE //DOCUMENTED

AND DEMONSTRATED FAMILIARITY WITH THIS STANDARD

WATER PUMPS

• CHECK BOILER RECIRCULATING PUMP AND THE BYPASS PUMP OPERATION

• REPORT ANY UNUSUAL FINDINGS

IN HOUSE CRAFTS TO:

• CHECK HWS CIRCULATING PUMP ROTATION

• CHECK PUMP MOTOR MOUNTS

• CHECK PUMP AMPERES

• CHECK BEARINGS

• TIGHTEN ALL PUMP ELECTRICAL CONNECTION