AGA XO1084 : 1984

Chapter 1 SITE MAINTENANCE AND FOUNDATIONS
   Fencing And Gates
   Intrusion Detection Equipment
   Foundations and Earthwork
   Buildings
Chapter 2 LNG STORAGE
   Double Walled Metallic Tanks
   Double Walled Concrete Tanks
   Vacuum Jacketed Vessels
   Inert Purge Jacketed Vessels
   Foundations
   Pressure and Vacuum Relief Valves
   Internal Tank Shutoff Valve (If Provided)
   Instrumentation
   Controls
   Pipe Towers (If Provided for Support of Over the Top
   Piping)
Chapter 3 GAS CONDITIONING
   Molecular Sieve Beds
   Activated Alumina or Carbon
   Triethylene Glycol, Monethanol Amine and Methanol
   Cryex[R]
Chapter 4 ROTATING EQUIPMENT
   Compressors
   Pumps
   Prime Movers
   Couplings
   Gear Boxes
   Belt/Chain Drives
Chapter 5 COLD BOX
Chapter 6 HEAT EXCHANGERS
   Shell and Tube Exchanger
   Air Cooled Exchangers
   Plate Fin Exchangers
Chapter 7 VAPORIZERS
   Falling Film Vaporizers
   Direct Fired Vaporizers
   Indirect Fired Vaporizers (Submerged Combustion)
Chapter 8 PIPING
   Spot Check of Uninsulated Aboveground Piping System
   Buried Pipe Systems
Chapter 9 CARGO TRANSFER SYSTEMS
   Transfer Hoses
   Transfer Piping
   Transfer Arms
Chapter 10 VALVES AND RELIEVING DEVICES
   Valves
   Actuators
   Spring Loaded Relief Devices
   Weight Loaded Relief Devices
   Pressure Loaded Relief Devices
   Pilot Operated Relief Devices
   Rupture Disks
Chapter 11 FLARE VENT AND INERT PURGING SYSTEMS
   Flare Stack
   Ignition System
   Knockout Drum
   Flare Piping System
   Flare Stack Base
   Inert Purging Systems
   Liquid Nitrogen Storage Tank
   Liquid Nitrogen Vaporizer
   Inert Piping System
   Cylinder Storage
   Hoses and Regulators
   O[2] Analyzer
Chapter 12 INSULATION
   High Temperature Insulation
   Low Temperature Insulation
Chapter 13 INSTRUMENTATION
   Gauges, Temp., Press., Level
   Transducers and sensors
   Electrical and Pneumatic Transmitters
   Limit Switches
   Thermocouples
   Valve Operators
   Temperature and Pressure Controllers
Chapter 14 FIRED EQUIPMENT
   Heater Internal Parts
   Heater External Parts
   Fuel System
   Combustion - Air Equipment
   Instrumentation and Control
   Safety and Relieving Equipment
   Auxiliary Equipment
Chapter 15 ELECTRICAL EQUIPMENT HIGH VOLTAGE A.C. SYSTEM
   Three Phase bus Within the Cabinet Enclosure
   Circuit Breaker
   Motor Control Center
   Alternate Power Source
   Stepdown Transformer Disconnect Switch
   Stepdown Transformer
   Auxiliary Power Source
   480 VAC SYSTEM
   Three Phase bus Within Cabinet Enclosure
   Motor Control Centers Including Circuit Breakers, Motor
   Contractors and Control Relays
   Transformers - Visually Inspect
   240 VAC and 120 VAC Distribution and Lighting Panels
   Area and Plant Lighting
   125 VDC CONTROL VOLTAGE SYSTEM
   Battery Bank
   Battery Charger
   Inverter
   Emergency Lighting System
   Test DC Distribution Panel for Proper Operation
   GROUNDING SYSTEM
   Grounding Network
   Ground Fault Detectors
   WIRE AND CABLE
   Cable
   Overhead Lines
   Underground Systems
   Conduit System
   Inspect Splices and Terminations for Cleanliness and
   Tightness of Connections
Chapter 16 CORROSION PROTECTION
   Cathodic Protection Equipment
   Corrosion Protection
Chapter 17 COMMUNICATION EQUIPMENT
   Commercial Telephone
   Plant Paging Equipment
   Radio Equipment
   Alarm System
Chapter 18 SEPARATORS, VESSELS & FILTERS
   Filters, Screens, Demisters
   Water Traps
   Level gauges
   Spot Check Under Insulation For
   Pressure Safety Relief Valves
   Control Valves and Instrumentation
   Vessel and Penetrations
Chapter 19 FIRE AND SAFETY EQUIPMENT
   Mobile Equipment
   Dry Chemical Systems
   Fixed Foam System
   Portable Foam Units
   High Expansion Foam System
   Fire Extinguishers
   Fire Water Systems
   Fire Entry and Proximity Suits
   Self Contained Breathing Apparatus
   Safety Systems
Appendix A EXAMPLE OF PREVENTIVE MAINTENANCE CONTROL
           SYSTEM
           Commentary
           Record Control Components
           Procedure

A guide for plant owners/operators in developing and implementing an effective preventive maintenance program. Includes information for determining the types and frequencies of tests and inspection.