Information
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Site conducted
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Audit Title
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Client / Site
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Conducted on
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Prepared by
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Personnel
Begin Audit
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Inspector Name
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Supervisor, Leads, Operators, Safety Coordinator Names In Attendance On Audit
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Signature
Signature
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Supervisor, Leads, Operators, Safety Coordinator Names In Attendance On Audit
Roof
Roof
Valve Stations
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Gauges in place and working reading correct pressure
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Paint is not pealing and missing
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Defrost pressure between 65-70 PSI
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Valve stems clean and lubricated
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Valve stems have been exercised regularly
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Pipe plugs in place
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Ammonia drains for isolated filter/strainers.
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No evidence of leaks
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Electrical conduit and junction boxes are properly supported and undamaged
Pipe and Insulation Condition
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Crossovers in place and in good condition
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Piping does not have any rust or corrosion
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Proper pipe labels being used and in place
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Insulation does not have any cracking, gaps, holes, or damage.
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Pipe labels easily legible and not damaged or pealing
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Pipe saddles in place at pipe stands
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Pipe stands in place and properly supporting pipes
Safety Relief Vent Line
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Vent line exhaust 7.25 feet above working surface and 20 feet from any opening to the building.
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Vent line sensor installed.
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Rain cover in place on relief line to prevent contamination
Condenser
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Fan belts are adjusted to specification with no damage
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Fan blades are clean with no scale buildup
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Bearings are greased, no noise while running
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Piping is painted and does not have any rust or corrosion
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Paint on piping is not pealing or damaged
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Tubes are clean - check for corrosion and scaling. Must include at least 4 photos of the tubes with the water turned off.
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Nozzles have good water pressure and coverage over tubes, none plugged.
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Drift eliminators, sun blockers and fill media in place, clean, and in good condition
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Water sump clean and free of debris
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Water pumps running as needed with no leaks
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Structural steel completely painted with no corrosion or damage
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Electrical conduit and junction boxes are supported with no sags and undamaged
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Water treatment is effective.
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Valves and Handles painted and accessible
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Drift Eliminators and nozzles easily accessible
DHU
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Does this facility have a Dehumidification Unit
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Filters in place and not clogged
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Sensors in place and working correctly
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Valves in working condition
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Belts adjusted to specification and not damaged
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Desiccant wheel in working condition
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Equipment operating as designed
Machine Room
Machine Room
Condenser Pumps and Water Treatment
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Condenser pumps working operating with no leaks
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Condenser water is tested and results recorded daily.
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Condenser Water Usage is Tracked
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Condenser side stream filter is running. Water is clean
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Condenser water treatment chemical feed equipment is working properly.
Underfloor Warming
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Is there an Underfloor Air Blower for floor freeze protection.
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Is the Blower Running
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Is the Blower Drive mechanism and duct work in good condition.
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Is the Blower drive belt adjusted properly and in good condition
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Is there air flow through every underfloor air outlet.
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Is there a Glycol underfloor warming for floor freeze protection
- Yes
- No
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Heat exchanger Warming glycol to temperature set point
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Relief valves in place and in compliance
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Glycol pump runs when called for, is painted and clean with no leaks
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Glycol temperature between 40-50 degrees
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Glycol flow is appropriate
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Glycol liquid level is appropriate
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Glycol valves and flow adjusted to a minimum of 5* gpm, clean and undamaged. *5 gpm at 42" centers on pipe
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Glycol temperature probes working properly
Cross Connection Regulator
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Cross connection regulator set to design specifications and working
Compressors - Screw
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Name plate legible
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Relief valves in place and in compliance
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Gauges in place and in and reading pressure correctly
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Economizer open and working as designed
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Set points set for operating conditions
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Guards in place
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Filter pressure within acceptable limits
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Operating limits are properly set for conditions
- Yes
- No
- N/A
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Anchors and grouting tightened properly and undamaged
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Safety switches in place and cutout points set and verified
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Oil quality and changing is based on oil sampling analysis
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Sensors reading accurately
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Equipment is clean
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Paint is in is not pealing or damaged
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No oil leaks are evident
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Valves will isolate as needed
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Equipment is operating as designed for conditions
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Starters are working as designed
Compressor - Reciprocating
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Does system have Reciprocating Compressors?
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Name plate legible
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Relief valves in place and in compliance
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Gauges in place and reading pressures correctly
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Set points set up to operate at system pressure
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Guards in place
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Filter pressure within acceptable limits
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Operating limits are set for conditions
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Anchors tightened and grouting undamaged
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Safety switches in place and will cut when activated
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Oil quality and changing is based on oil sampling analysis
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Sensors reading accurately
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Equipment is clean
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Equipment is operating as designed
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No oil leaks are evident
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Valves will isolate when closed
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Starters are operating as designed
Vessels
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Name plate / ASME stamp legible
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Level controls will control level to set point
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Linear Liquid Level Indicators protected (Glass Level Columns)
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Bulls eyes visible and undamaged
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Oil pots insulated with no damage or painted with not pealing paint
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Oil Pot is properly rated for vessel temperature
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Insulation in place with no damage
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Feed valves control liquid feed at proper rate
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All Safety float cut outs will cut out all compressors connected to vessell
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Relief valves in place and in compliance
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Piping shows no corrosion where visible
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Equipment is clean
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Valves are accessible, painted and in working condition
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Electrical conduit and junction boxes are properly supported and undamaged
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Equipment is operating properly
Ammonia Pumps
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Pumps operating at correct pressures.
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Gauges in place and and reading proper pressure
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Equipment operation as designed
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Does the system have Cornell pumps?
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Oil cutout switch will stop pump on low oil
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Rotary guard protecting pump from cavitation
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Shaft seal in good condition - no seal leakes
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Guards in place
Oil Recovery System
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Oil recovery piping painted, no visible corrosion and supported properly
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Vessel paint is not pealing and no visible corrosion
Floors, Walls and Room Cleanliness, and Door Signage.
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Eyewash and Showers are located properly and Unobstructed
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Doors are Self closing doors with panic hardware
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The Room have two means of egress
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Is the machine room restricted to authorized personal only?
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Is There Proper Warning Signs on the Door?
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No unauthorized storage in a machine room. Only refrigeration equipment and parts allowed
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Ammonia cannot enter floor drains
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Floors have no large cracks
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Walls are clean and undamaged
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Pipe penetrations in the walls are sealed
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The machine room including tools and benches are clean?
Electrical / Panels
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Electrical panels are clean, and doors closed
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No unused penetrations are in panel, especially the top
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Panel air filter is clean and fits opening correctly
Pipes and Insulation
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Pipe hangers are adequate and adjusted to support pipe.
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Manually operated valves that are inaccessible from floor must be operable from portable platforms, fixed platforms, ladders, or chain operated<br>
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Pipes show no corrosion and are painted with no pealing paint
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Insulation has no gaps or damage and pipe saddles are in place
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Pipe and equipment labels are in place and meet IIAR standards
High Pressure Reciever
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Ammonia level within acceptable range
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High pressure receiver is painted, paint is undamaged and the vessel clean with no visible corrosion
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Safety Relief valves in place and in compliance
Ammonia Dispersion Tank
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Dispersion tank is in painted and clean with no visible corrosion and no leaks
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Tank has proper water level
Transfer Hose
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Transfer hose is suitable for ammonia and certification date has not expired
HVAC
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Does the main refrigeration system provide cooling to the HVAC system?
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Heat exchanger working to design specifications
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Relief valves in place and in compliance
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Pump in working condition
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Temperature set to design specifications
- Yes
- No
- N/A
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Glycol flow is acceptable
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Valves are accessible and working to isolate when needed
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Temperature probes reading proper temperature
Purger
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Equipment clean and bubbler easy to see through
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Insulation in place and in good condition
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Purger operation is removing Non-Condensables. No leaks.
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Purger cycle counts recorded
Exhaust System
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Ammonia detection Alarms at 25 ppm and shutdown is at 250 ppm
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Exhaust system operates when ammonia is detected
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Exhaust system meets IIAR2-2008 standards
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Fan belts are adjusted to specification and show no damage
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Fan blades in are clean and undamaged
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Intake dampers are in proper location and working when called for
- Yes
- No
- N/A
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Exhaust fans can be started manually from outside the engine room
Evaporators
Evaporators
Freezer Evaporators / Penthouses
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Unit defrosting cleanly with no ice bridges
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Temperature set points set to quality control standards. See separate document provided by facility for standards.
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Penthouse doors closing and sealing tightly
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Electrical conduit and junction boxes in good condition
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Fans are working properly
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No excessive ice buildup
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Coils clean
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Unit clean
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Heat trace in place and working
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Drains in good condition and clear
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Condensate drip pans are free of ice with no damage
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Support hangers in place and properly adjusted
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Guards in place
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Equipment operating as designed
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Sensors in place and working properly
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Piping properly painted with no visible corrosion
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Insulation in place with no cracks, holes, separation, or damage
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Does the facility have an ice cream freezer system separate from the main refrigeration system
Ice Cream Freezer
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Temperature set points set properly
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Is discharge pressure in normal range
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I suction pressure in normal range?
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Is compressor motor amperage in normal range
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Is evaporator super heat adjusted properly?
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Does the system have a glycol cooled condenser?
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Is the glycol in and out temperatures adjusted properly?
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Unit defrosting properly
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Electrical conduit and junction boxes in good condition
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Fans clean and working properly
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No excessive ice buildup
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Unit clean
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Heat trace in place and working
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Drains in good condition and clear
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Condensate drip pans in good condition
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Support hangers in place and properly adjusted
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Guards in place
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Equipment operation good
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Sensors in place and working properly
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Piping in good condition
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Insulation in place with no cracks. holes or damage
Cooler Evaporators / Penthouses
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Unit defrosting properly
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Temperature set points set properly
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Doors closing and sealing properly
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Electrical conduit and junction boxes in good condition
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Fans in good condition and working properly
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No excessive ice buildup
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Coils clean
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Unit clean
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Heat trace in place and working
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Drains clear and draining properly
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Condensate drip pans are free of ice and show no damage
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Support hangers in place and properly adjusted
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Guards in place
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Equipment operation good
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Sensors in place and working properly
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Piping properly painted with no visible evidence of corrosion
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Insulation in place and in good condition
Dock Evaporators / Penthouses
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Unit defrosting properly
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Temperature set points set properly
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Doors closing and sealing properly
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Electrical conduit and junction boxes are properly supported and undamaged
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Fans clean and working
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No excessive ice buildup
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Coils clean
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Unit clean
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Heat trace in place and working
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Drains clear
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Condensate drip pans free of ice and no damage
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Support hangers in place and adjusted to support unit
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Guards in place
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Equipment operating as designed
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Sensors in place and reading proper temperature and pressure
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Piping properly painted with no evidence of corrosion
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Insulation in place, no cracks holes or damage.
Controls / Electrical
Cleanliness of Control Cabinets
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HOA Switches set correctly for current operation
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Cabinets undamaged and clean inside and out
Electrical Panels
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Panels undamaged and clean inside and out
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No unused penetrations that are not plugged
Temperature and Pressure Sensors
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Sensors set up and reading proper temperature and pressure
Ammonia Detectors and Operation
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Ammonia detectors in designated locations and working
Labeling
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Labeling of piping, equipment and door signs meets IIAR standards
Alarm Settings
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Alarm settings are set properly and active
Paperwork / Safety Equipment
Paperwork / Safety Equipment
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Proper P&ID displayed
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Does emergency shutdown documentation exists
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Emergency shutdown valves tagged
Alarms Audible and Visual
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Alarms are both audible and visual at each Machine Room entrance door.