Log Chilled Water Entering & Leaving Temperatures (Design: 54°F / 44°F)

High AI Check

Log Condenser Water Entering & Leaving Temperatures (Design: 85°F / 95°F)

High AI Check

Calculate Condenser Approach Temperature (Must be < 2.0°F / 1.1°C)

Critical AI Check

Check Compressor Lube Oil Pressure (> 25 PSI differential over suction)

Critical AI Check

Inspect Oil Sump Level in Sight Glass (Between 1/2 and 3/4 glass)

High AI Check

Log Motor Running Current (Amps) and % RLA (Rated Load Amps)

Medium AI Check

Check Cooling Tower Basin Water Level, Makeup Float & Bleed Valve

High AI Check

Inspect Primary/Secondary Chilled Water Pump Glands & Vibration

Medium AI Check

Verify Automatic Chemical Dosing Pump Operation & Biocide Tank Level

High AI Check

Check Plant Room Floor for Refrigerant, Oil, or Water Leaks

Medium AI Check

Inspect 24V Starter Battery Bank Voltage (Float: > 25.4V DC) & Specific Gravity

Critical AI Check

Check Engine Lube Oil Level (Dipstick between MIN & MAX marks)

Critical AI Check

Verify Radiator Coolant Level & Check Jacket Water Heater is Warm (> 40°C)

High AI Check

Check Day Fuel Tank Level (> 80% capacity) & Drain Water Separator

High AI Check

Perform 15-Minute Manual Run Test: Check Frequency (50/60 Hz) & Voltage (415V)

Critical AI Check

Verify Lube Oil Pressure builds to 4.5 - 6.0 bar during operation

Critical AI Check

Inspect Exhaust Smoke Color (Clear / Light Grey; No Heavy Black or Blue Smoke)

Medium AI Check

Verify Motorized Fresh Air Intake Louvers open fully upon engine start

High AI Check

Check AMF Controller Selector Switch is returned to "AUTO" Mode

Critical AI Check

Inspect 11kV VCB / SF6 Pressure Gauge and Spring Charging Mechanism

Critical AI Check

Check Transformer Oil Level, WTI & OTI Temperature Indicators

Critical AI Check

Inspect Silica Gel Breather Color (Deep Blue; Replace if Pink / White)

High AI Check

Check Main Incomer ACB Tripping Battery Charger & 110V DC Tripping Voltage

Critical AI Check

Perform Infrared Thermography on Main Busbar Joints & Cable Terminations (< 70°C)

High AI Check

Inspect Automatic Power Factor Correction (APFC) Panel (Maintain PF > 0.98)

High AI Check

Test Substation Earth Pit Resistances (< 1.0 Ohm) & Earth Continuity

Critical AI Check

Check Rubber Insulation Mats in front of all HT/LT Panels (IS 15652 / IEC 61111)

Medium AI Check

Inspect Fire Water Reservoir Tank Water Level (100% Full)

Critical AI Check

Confirm all Suction and Discharge OS&Y Gate Valves are OPEN and Padlocked

Critical AI Check

Verify Jockey Pump Maintains Ring Main Static Pressure at 10.5 bar (150 PSI)

High AI Check

Execute 10-Minute Weekly Churn Run Test on Main Electric Fire Pump

Critical AI Check

Execute 30-Minute Weekly Run Test on Diesel Engine Fire Pump (NFPA 25 § 8.3.1)

Critical AI Check

Inspect Fire Pump Casing Relief Valves (Discharging cooling water stream during churn)

High AI Check

Check Gland Packing Drips (30-60 drops/min for packing lubrication & cooling)

Medium AI Check

Confirm Central Fire Alarm Panel (FACP) shows Zero System Faults or Disabled Zones

Critical AI Check

Inspect Pre-Filters & Fine Microvee Filters Differential Pressure (DP < 15 mmWG)

High AI Check

Inspect Cooling Coil Fins for Face Condensate Carryover & Bio-Slime

High AI Check

Check Condensate Drain Pan Slope, U-Trap Water Seal & Clear Drain Header

Critical AI Check

Verify Blower Fan V-Belt Tension, Pulley Alignment & Belt Wear

High AI Check

Check Motor and Fan Bearings Lubrication (NLGI Grade 2 Grease) & Vibration

Medium AI Check

Verify Fire Smoke Damper (FSD) Actuator & Thermal Fusible Link Trip

Critical AI Check

Log Dissolved Oxygen (DO) in MBBR / Aeration Tank (Target: 2.0 - 3.5 mg/L)

Critical AI Check

Measure pH of Equalization Tank & Final Treated Water (Design: 6.5 - 8.5)

High AI Check

Inspect Twin Air Blower Discharge Pressure & Temperature (< 85°C)

High AI Check

Perform 30-Minute Sludge Settleability Test (SVI Imhoff Cone: 300 - 450 mL)

High AI Check

Check Sodium Hypochlorite (Chlorine) Dosing Tank Level & Residual Chlorine (> 1.0 ppm)

Critical AI Check

Inspect Filter Feed Pump, Dual Media Sand Filter (DMF) & Activated Carbon (ACF) DP

Medium AI Check