Dairy Establishment Inspection Manual – Chapter 19 Appendices
Appendix 6 Minimum Frequency for Critical Processes Equipment and Controls Tests

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February 2013

(H&S = Health & Safety)

Booster Pump
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being used for a booster pump.

Task Requirements Test # DEIM Frequency
1.11.04.03
(H&S 2)
Interwiring
  • Only operates when the Flow Control Device (FCD) is energized.
  • Only operates with proper pressure differential.
  • Only operates when the Flow Diversion Device (FDD) is in forward flow.
24
23
14 & 22
6 months
Feed Pump
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being used for a feed pump.

Task Requirements Test # DEIM Frequency
1.14.04.03
1.17.04.03
(H&S 2)
Interwiring
  • Only operates when FCD is energized
24 6 months
Regeneration
Table description

This table shows the task, requirements, test number and DEIM frequency used to verify the regeneration section of heat exchanger.

Task Requirements Test # DEIM  Frequency
1.11.05.01
1.14.05.01
1.17.05.01
(H&S 2)
General
Conditions
  • No pinholes in heat transfer plates.
19 12 months
1.11.05.03
1.14.05.02
1.17.05.02
(H&S 2)
Pressure
Differentials
  • Pressure on raw side must always be lower by 14 Kpa (2 psi) than pasteurized side
N/A 12 months
Heating/Cooling Section
Table description

This table shows the task, requirements, test number and DEIM frequency used to verify the heating/cooling sections of a pasteurizer.

Task Requirements Test # DEIM  Frequency
1.11.07.01
1.11.07.03
1.14.07.01
1.14.14.01
1.17.07.01
1.17.14.01
(H&S 2)
General
Conditions
  • No pinholes in heat transfer plates.
19 12 months
1.11.07.02
1.14.14.02
1.17.14.02
(H&S 3, 2)
Pressure
Differentials
  • Pressure on medium side must always be lower by 14 Kpa (2 psi) than product side
N/A 12 months
Flow Control Device (FCD)
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being used for a flow control device (FCD).

Task Requirements Test # DEIM Frequency
1.11.06.02
(H&S 1)
Set and Sealed
  • Variable speed device; maximum legal flow rate sealed. Salt test at maximum flow rate.
8 and 9
(Procedure under review)
12 months or when alterations are made effecting the holding time
1.14.06.02
1.17.06.02
(H&S 1)
Set and Sealed
  • Set at a flow rate to achieve the holding time specified in the scheduled process
N/A 12 months or when alterations are made effecting the holding time
1.11.06.03
1.14.06.03
1.17.06.03
(H&S 2)
Fail Safe
(Operation)
Capability
  • Only operate when FDD is in safe forward flow or fully diverted position. (High Temperature Short Time and Higher Heat Shorter Time (HTST and HHST))
12 or 13 6 months
1.11.06.03
1.14.06.03
1.17.06.03
(H&S 2)
Fail Safe
(Operation)
Capability
  • Time delay relay if present - not more than 1 sec. (HTST only)
N/A 6 months
1.11.06.03
1.14.06.03
1.17.06.03
(H&S 2)
Fail Safe
(Operation)
Capability
  • Meter Based Timing System: High flow alarm - divert flow occurs when flow rate > than the value at which holding time was measured.
25 6 months or when alterations are made effecting the holding time
1.11.06.03
1.14.06.03
1.17.06.03
(H&S 2)
Fail Safe
(Operation)
Capability
  • Meter Based Timing System: Low flow/signal loss alarm - divert flow occurs upon low flow alarm or signal loss.
26 6 months or when alterations are made effecting the holding time
1.11.06.03
1.14.06.03
1.17.06.03
(H&S 2)
Fail Safe
(Operation)
Capability
  • Meter Based Timing System: Flow cut-in and cut-out - forward flow occurs only when flow rates < flow alarm set point and > than loss of signal alarm set point.
27 6 months or when alterations are made effecting the holding time
1.11.06.03
1.14.06.03
1.17.06.03
(H&S 2)
Fail Safe
(Operation)
Capability
  • Alarm pen tracks flow pen
N/A 6 months
Holding for a HTST Pasteurizer
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the holding time and records being used for a HTST Pasteurizer.

Task Requirements Test # DEIM Frequency
1.11.08.04
(H&S 2)
Holding
Verification and
Records
  • Evidence of holding time in both forward and divert flow. Test results converted to all products processed.
8 and 9
(Procedure under review)
12 months or when alterations are made effecting the holding time
Holding for Aseptic Processing and Packaging System. (APPS) and Higher Heat Shorter Time (HHST)
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the holding time and records being used for the APPS and HHST systems.

Task Requirements Test # DEIM Frequency
1.14.08.03
1.17.08.03
(H&S 2)
Holding
Verification and
Records
  • Calculation and verification of holding tube length (indirect and direct heating systems).
  • Holding time is determined by calculation method and is specified in the scheduled process.
  • For direct injections systems extra condensate volume from steam added is included in holding tube calculation.
9.1
(Procedure under review)
12 months or when alterations are made effecting the holding time
Flow Diversion Device (FDD)
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being used for the Flow Diversion Device.

Task Requirements Test # DEIM Frequency
1.11.09.01
1.17.09.01
(H&S 2)
General
Conditions
  • Valve seats (no leakage) and spring (capable of diverting system at maximum operating pressure) in good condition. (HTST and HHST systems using a dual stem valve assembly)
10 6 months
1.11.09.01
1.17.09.01
(H&S 2)
General
Conditions
  • During manual diversion, booster pump stops, frequency pen records diverted flow position, red indicator light comes on and pressure differential is maintained (HTST only)
14 6 months
1.11.09.01
1.17.09.01
(H&S 2)
General
Conditions
  • Valve stem moves with ease. (HTST only)
11 6 months
1.11.09.05
1.17.09.04
(H&S 1)
Fail Safe Divert
Capability
  • Valve response time from forward flow to divert not exceed 1 sec. (HTST and HHST).
15 6 months
1.11.09.05
1.17.09.04
(H&S 1)
Fail Safe Divert
Capability
  • Diverts at sub-legal temperature. (HTST only)
6 6 months
1.11.09.05
1.17.09.04
(H&S 1)
Fail Safe Divert
Capability
  • Diverts with loss of air or power to solenoids.
N/A 6 months
1.11.09.05
1.17.09.04
(H&S 1)
Fail Safe Divert
Capability
  • Interwired with FCD and flow promoters - FCD, stuffing pumps, and accessory homogenizer without open recirculation line, only operating in safe forward flow or fully divert; Booster pump and separator by-pass valves only operating in safe forward flow position. (HTST and HHST)
13 6 months
1.11.09.06
(H&S 2)
Time Delay
Relays
1.17.09.04
(H & S 1)
Fail Safe Divert Capability
  • Flush time between two valve stems - 1 second minimum. (HTST only)
16 6 months
1.11.09.06
(H&S 2)
Time Delay
Relays
1.17.09.04
(H & S 1)
Fail Safe Divert Capability
  • Inspect delay - FDD diverts; FCD, booster pump, stuffing pump, accessory homogenizer without open recirculation line all stop; separator by-passed; then FDD moves to FWD position. (HTST and HHST)
17 6 months
1.11.09.06
(H&S 2)
Time Delay
Relays
1.17.09.04
(H & S 1)
Fail Safe Divert Capability
  • Clean in Place (CIP) delay - FDD diverts; FCD, booster pump, stuffing pump, accessory homogenizer without open recirculation line all stop; separator by-passed, then FDD into CIP
    or
  • FDD diverts booster pump stops, separator by-passed, 10 minute delay completed; then pumps and FDD into CIP mode. (HTST and HHST)
18 6 months
1.11.09.06
(H&S 2)
Time Delay
Relays
1.17.09.04
(H & S 1)
Fail Safe Divert Capability
  • Magnetic Flow Meter System: Time delay relay - ≥ legal hold (15 seconds for milk) (HTST only)
28 6 months
Indicating Thermometer
Table description

This table shows the task, requirements, test number and DEIM frequency used to verify the Indicating Thermometer.

Task Requirements Test # DEIM Frequency
1.11.10.04
1.12.03.03
1.12.04.03
1.14.10.04
1.17.10.04
(H&S 1)
Calibration/
Records
  • Temperature accuracy
1 6 months
1.11.10.04
1.12.03.03
1.12.04.03
1.14.10.04
1.17.10.04
(H&S 1)
Calibration/
Records
  • Thermometric response - 4 seconds under specified conditions (only HTST, Aseptic Processing and Packaging System (APPS) and HHST)
2 6 months
Safety Thermal Limit Recorder
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being used for the Safety Thermal Limit.

Task Requirements Test # DEIM Frequency
1.11.11.01
1.14.11.01
(H&S 3)
General
Conditions
  • Flow indicating lights operational.
N/A 12 months
1.11.11.02
(H&S 2)
Diversion
Capabilities
  • Diversion capability of all products runs.
6 6 months
1.11.11.03
1.14.11.04
1.17.11.04
(H&S 1)
Cut-In/
Cut-Out
  • Legal cut-in/cut-out temperatures set for all products.
  • System only goes into forward flow when the temperature is at or above pasteurization or sterilization temperature as outlined in the scheduled process. Failure of any safe forward flow condition results in the product divert device to immediately go into the divert flow position. (APPS, HHST)
6.1 & 6.2 6 months
1.11.11.04
(H&S 2)
1.12.05.02
1.14.11.03
1.17.11.03
(H&S 3)
Pens
  • Frequency pen and temperature pens tracking.
6 6 months
1.11.11.05
1.12.05.04
1.14.11.03
1.17.11.03
(H&S 3)
Charts
  • Proper charts.
4 12 months
1.11.11.06
1.12.05.05
1.14.11.05
1.17.11.05
(H&S 2)
Accuracy
  • Time accuracy - equal to true elapsed time.
4 12 months
6 months (APPS)
1.11.11.06
1.12.05.05
1.14.11.05
1.17.11.05
(H&S 2)
Accuracy
  • Temperature accuracy - ± 0.5°C (1°F) in specified scale range.
5 12 months
6 months (APPS)
1.11.11.06
1.12.05.05
1.14.11.05
1.17.11.05
(H&S 2)
Accuracy
  • Thermometric response - 5 seconds under specified conditions. (HTST only)
7 12 months
1.11.11.06
1.12.05.05
1.14.11.05
1.17.11.05
(H&S 2)
Accuracy
  • Recording thermometer check against indicating thermometer - ≤ indicating thermometer.
3 12 months
6 months (APPS)
1.14.11.04
1.17.11.04
(H&S 1)
Thermal Limit Controller Sequence Logic
1.14.09.04
1.17.09.04
(H&S 1)
Fail Safe Divert Capability
  • Product diverts device only moves to forward flow when all parts of the system have been properly sterilized with the minimum times and temperatures for sterilization being met (indirect and direct heating systems).
  • System only goes into forward flow when all product contact surfaces from the holding tube to the FDD have been sanitized or sterilized (HHST).
  • System only goes into forward flow when all product contact surfaces from the holding tube to the product divert device have been sterilized (APPS).
  • System only goes into forward flow when all conditions identified in the scheduled process have been met including that the sensors at the FDD and the holding tube have reached the temperature/time for pasteurization/sterilization as per the scheduled process (Indirect Heating HHST).
  •  System only goes into forward flow when all the sensors located at the holding tube or other coldest point as determined by the process authority and at the FDD have reached the temperature/time for pasteurization/sterilization as per the scheduled process (Direct Heating HHST).
29 6 months
Heating Section
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being used for Heating Section.

Task Requirements Test # DEIM Frequency
1.14.07.03
1.17.07.03
(H&S 2)
Pressure Limit Recorder Controllers
  • Product diverts device only moves to forward flow when the product pressure in the holding tube is at least 69 Kpa (10 psi) above the boiling pressure of the product.
30 6 months
1.14.07.03
1.17.07.03
(H&S 2)
Pressure Limit Recorder Controllers
  • Product divert device only moves into forward flow when the product pressure across the injector is at least 69 Kpa (10 psi)
31 6 months
Pressure Differential Controllers (PDC)/Gauges
Table description

This table shows the task, requirements, test number and DEIM frequency used to evaluate the Pressure Differential (PDC) gauges.

Task Requirements Test # DEIM Frequency
1.11.12.03
1.14.12.04
1.17.12.04
(H&S 2)
Accuracy
  • Pressure Differential Controller - proper operation and pressure accuracy
20 6 months
1.11.12.03
1.14.12.04
1.17.12.04
(H&S 2)
  • Gauges - pressure accuracy
21 6 months
1.14.12.01
1.17.12.01
(H&S 2)
General Conditions
  • Pressure Differential Recorder Controller interwired with product divert valve
20.1 6 months
Homogenizer
Table description

This table shows the task, requirements, test number and DEIM frequency to verify process being used for the Homogenizer.

Task Requirements Test # DEIM Frequency
1.11.15.04
(H&S 2)
Interwiring
  • Homogenizer of lesser capacity than FCD, installed downstream from FCD - interwired with FCD and equipped with a time delay relay of 1 sec.
13 6 months
Separator
Table description

This table shows the task, requirements, test number and DEIM frequency used to verify the process for Separator.

Task Requirements Test # DEIM Frequency
1.11.16.03
(H&S 2)
Properly Valved
Out
  • Fail safe valve out to by-pass separator whenever FCD is de-energized.
13 6 months
Stuffing Pump
Table description

This table shows the task, requirements, test number and DEIM frequency to evaluate the process being used by the Stuffing Pump.

Task Requirements Test # DEIM Frequency
1.11.18.02
1.14.17.02
1.17.17.02
(H&S 2)
Proper
Installation/
Operation
  • Interwired so that the pump stops when FCD not allowed operating.
13 6 months
Leak-Protector Valve
Table description

This table shows the task, requirements, test number and DEIM frequency to verify the process being by the Leak-Protector Valve.

Task Requirements Test # DEIM Frequency
1.12.02.02
(H&S 2)
Inlet/outlet Valves and Connections
  • No leakage of milk product past the outlet valve seat in any closed position
32 6 months
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