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HVAC SYSTEM RE-QUALIFICATION PROTOCOL - Pharmaceutical Guidance PDF

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HVAC SYSTEM RE-QUALIFICATION PROTOCOL

 Pharmaceutical Guidanace  March 27, 2016  Revalidation/requalification  155 Views

HVAC RE-QUALIFICATION PROTOCOL


TABLE OF CONTENT

Sr.No Contents Page No

1. Approval sheet 2

2. objective 3

3. Scope 3

4. Responsibility 4

5. Qualification Team 5

6. Abbreviation and definition 5

7. Prerequisites 7

8. Precautions and instruction (Health, Safety and Environment) 7

9. Air velocity, Air volume and air Change Per hour measurement 8

10. Procedure for HEPA Filter integrity 10

Procedure for Temperature, Relative Humidity and differential Pressure


11. 15
Measurement

12. Procedure for nonviable particle count 15


13. Procedure for viable particle count 18

14. Recovery Study 18 

15. Airflow Visualization 19

16. Frequency Of Performance Qualification 19

17 Deviation 19

18 Performance Qualification Report 20

19 References 20

1.0 Approval Sheet of Protocol

Prepared By

Department Name Designation Signature Date

Quality Assurance

Reviewed By

Department Name Designation Signature Date

Engineering

Quality Control

Quality Assurance

Approved By

Name Designation Signature Date

Head – Engineering
Head –

Quality Control 

Head –

Quality Assurance

2.0 Objective:

To Re-qualify the HVAC system of All area and establish documentary evidence to demonstrate that Air

Handling Units, Ventilation Units, Exhaust units, Laminar Air Flow and Reverse Laminar Air Flow units are
qualified to perform well within the predetermined acceptance limit of performance as per guidelines

outlined in this protocol.

3.0 Scope:

This protocol is applicable for Re-Qualification of HVAC system i.e. Air Handling (AHU) Systems, Forced
Air Ventilation (FAV) Systems, Laminar Air Flow System (Unidirectional Air Flow Systems) Reverse

Laminar air Flow System of Pharmaceutical Formulation Plant of Company Name.

Following parameters are to be evaluated.

3.1. Air Velocity, Air Flow Volume and Air Changes.

3.2. Differential Pressure. Pressure difference between the installation and its respective

surroundings. (Neighboring room / corridor/ others).

3.3. HEPA Filter Integrity (DOP/PAO) tests.

3.4. Temperature and relative Humidity.

3.5. Viable Particle Count. Environmental Monitoring of Manufacturing Area for Microbial

Load.

3.6. Non viable particle count. Air born particle count level within the clean room ISO Class-8
facility “At-Rest” accordance with ISO 14644.

4.0 Responsibility:
Department Responsibilities

Responsible for ensuring the overall Re-Qualification of HVAC system, used 


to control the environmental conditions of all areas. These responsibilities for
HVAC Qualification include:

· Preparation, Review and approval of HVAC Qualification Protocols,


Reports.

Quality Assurance : · Handling of Deviations.

· Training of team involved in HVAC Qualification.

· Compile and review of Report

· Verifying the Qualification activities

· Providing the Drawings and Qualification documents.

These responsibilities for HVAC Qualification include:

· Review and Approval of HVAC Qualification Protocols, Reports.

Quality Control : · Environment monitoring report of manufacturing area for microbial

load as per schedule to record all the observations.

· Initiation of Deviations.

Responsible for ensuring the

· Review and Approval of HVAC Qualification Protocols & Reports.

Engineering : · Execution of HVAC Qualification Activities.

· Providing Equipment, components, utensils and area supporting


utilities drawings and manpower.
Department Responsibilities

· Execution of Qualification as per protocol. 

Contractor : (If qualification activity is not in house)

· Collection of data and preparation of final test certificates.

5.0 Qualification Team

Qualification team shall comprise of the representatives from following functions:

· Quality Assurance

· Quality Control

· Engineering

· Contractor (If applicable)

6.0 Abbreviation and Definition

Common Term Abbreviation

ACPH Air Changes Per Hour

AFS Air Flow Switch

AHU Air Handling Unit

DDC Digital Data Control

DIDW Fan Double Inlet Double Width Fan

DPS Differential Pressure Sensor

DPSW Differential Pressure Switch

DQ Design Qualification

EA Exhaust Air

FD Fire damper
FRP Fiber Reinforced Plastic

HEPA High Efficiency Particulate Air 

MG Magnehelic Gauge

MOC Material of Construction

NMT Not More Than

OQ Operation Qualification

PQ Performance Qualification

PUF Poly Urethane Foam

RH Relative Humidity

TS/HS Temperature sensor/heat sensor

SA Supply Air

URS User Requirement Specification

No. Number

FAV Forced Air Ventilation

LAF Laminar Air Flow

RLAF Reverse Laminar Air Flow

FPM Feet Per Minute

SOP Standard Operating Procedure

Impinge To invade on

QC Quality Control

SS Stainless Steel

ID Identification

TBC Total Bacterial Count

TFC Total Fungal Count


ft Feet

QC Quality Control 

Dynamic Conditions Under Manufacturing Conditions

Positive Control prepared medium inoculated with some organism

Negative Control Un inoculated Medium or a sterile medium

Aseptic conditions Under LAF conditions

Luxuriant Ample

Unidirectional airflow pattern in which the point -to-point readings of


Uniformity of Air Flow velocities are within the defined percentage of the average airflow
velocity

Room in which the concentration of airborne particles is controlled and


which is constructed and used in a manner to minimize the
Clean Room introduction, generation and retention of particles inside the room and
which other relevant parameter. For example Temperature, Humidity

and Pressure are controlled as necessary

QC Quality Control

Gaseous suspension of solid and /or liquid particles with known and
Test Aerosol
controlled size distribution and concentration

System composed of filter and grid support system or other housing


Installed Filter
mounted in the ceiling wall, apparatus or duct

Dedicated space in which the concentration of airborne particles is


controlled and which is constructed and used in a manner to minimize

Clean Zone the introduction, generation and retention of particles inside the zone
and in which other relevant parameters. For example Temperature,
Humidity and Pressure are controlled as necessary

The condition where the installation is complete with all services


As Built Occupancy States connected and functioning but with no production equipment, materials
or personnel present
As Built Occupancy States The condition where the installation is complete with all services
connected and functioning but with no production equipment, materials

or personnel present

The condition where the installation is complete with equipment


At Rest Occupancy States installed and operating in a manner agreed upon by the customer and
supplier, but with no personnel present.

The condition where the installation is functioning in the specified


In Operation Occupancy
manner, with the specified number of personnel present and working in
States
the manner agreed upon.

7.0 Pre Requisite:

7.1.Calibration of instruments or equipments used for testing like Anemometer, Aerosol

photometer, Non-viable particle counter etc.

8.0 Precaution and Instructions (Health, Safety and Environment) :

8.1 Wear Nose masks, hand gloves, and proper gowning while carrying out DOP/PAO testing

and viable particle count.

9.0 Air velocity, Air volume and Air Change Per Hour measurement.

9.1Acceptance Criteria:-

9.1.1 Air Flow velocity (Homogenous air speed) should be within the range of 72 to 108 FPM or 0.36 to

0.54 m/s for laminar air flow system (Unidirectional air flow system) as per EC guide.

9.1.2 If the velocities readings within the limit are not observed then adjust the damper gradually so as
to get desired mean air velocity. Even after adjusting the damper velocity is not maintained then an
investigation should include review of status of blower, pre filter & HEPA filter, motor and damper etc.

9.1.3 The Air Change per hours of all AHUs should comply with respective Design Qualification Values.

9.2 Operating Procedure:-

9.2.1 Air velocity measurement of laminar air flow unit-Vane type Anemometer
(unidirectional airflow)
Note: Calibrated Vane type Anemometer should be used for velocity measurement

9.2.1.1. Switch ON the system/equipment of which air velocity measurement is to be done. 

9.2.1.2. Let the equipment run for 5 Minutes.

9.2.1.3. Define the measuring plane perpendicular to the supply air flow and divide the measuring
plane into grid cells of equal area.

9.2.1.4. The number of measuring points should be more than the square root of the measuring
plane area in square meters and should not be less than 3 points (Ref – ISO 14644 — 3 B.4.2.1.2)

9.2.1.5. Measurements should be taken at the centre of each grid cell.

9.2.1.6. Switch ON the anemometer. Hold the anemometer-fan about 150 mm from filter face for
measuring the filter face velocity and for checking the uniformity of velocity. (Ref — ISO 14644 — 3 B
.4.2.1.1)

9.2.1.7. Hold the fan of the anemometer till the anemometer reading is stabilized for at least 10
seconds duration and values should be recorded.

9.2.1.8. Note down the air velocity readings and filter number.

9.2.1.9. Switch OFF the anemometer.

9.2.1.10. Switch OFF the equipment. If required.

9.2.2 Air velocity measurement of non-unidirectional airflow

9.2.2.1. Ensure the system / equipment is switched ON of which air velocity measurement to be

done.

9.2.2.2. Systems, which are not running continuously, run those systems 30 minutes before to
stable system and measure the reading.

9.2.2.3. Remove the diffuser/ grill before taking reading, if applicable.

9.2.2.4. Switch ON the anemometer .Hold the anemometer-fan in a plane parallel to filter/

diffuser/grill.The fan should be held approximately 150 mm from the grill face/ HEPA filter. (Ref – ISO
14644 – 3 B.4.2.2.3)
9.2.2.5. The number of measuring points should be more than the square root of the measuring
plane area in square meters and should not be less than 3 points.

9.2.2.6. Air flow velocity should be measured at the centre of each cell.

9.2.2.7. Hold the fan of anemometer till the anemometer reading stabilises or at least 10 seconds
duration.

9.2.2.8. Note down the air velocity readings in Feet per minute (FPM)

9.2.2.9. Switch OFF the anemometer.

9.2.3 Air Change Per Hour (ACPH) Calculation

Area of filter = Length (in ft) X width (in ft)

Total air Qty. (CFM)of one supply air grill = V1+V2+V3+V4+V5 / 5 X Area of filter = A X V
Total supply air Qnty (SUM of CFM) = CFM of all of supply grills

CFH (cubic feet per hour ) = SUM of CFM X 60

Volume of room (ft3) = Length (ft) X Width (ft) X Height (ft)

Air changes per hour (ACPH) = SUM of CFH ÷ Volume of room in (ft3)

10.0Procedure for HEPA filter integrity test

10.1 Apparatus Required: –

Aerosol Photometer.

10.2 Acceptance Criteria:-

Leakage rate is NMT 0.01%.

10.3 Operating Procedure:-

10.3.1 Integrity checking of filters should be carried out by using Calibrated photometer.

10.3.2 Following apparatus should be used while integrity testing of filters.

10..3.2.1 An aerosol photometer having threshold sensitivity below10 microgram / liter


For 0.3 micron particles of aerosolised Di Octyl Phthalate / Poly Alfa Olefin (DOP/PAO) and a sampling
rate of 1 Cubic Feet Per Minute (CFM). Set up the Aerosol generator and fill the DOP/PAO liquid to

minimum 1/2 of its capacity.

10.3.2.2 The concentration of aerosol challenge upstream of the filter should be between 10mg/m3 and

100 mg/m3. A concentration lower than 20 mg/m3 can reduce the sensitivity of leak detection.

10.3.3 Terminal HEPA filter for clean room ( having individual upstream port )

10.3.3.1 Ensure the system is running continuously for about 30 minutes, which the filter integrity
checking is to be done.

10.3.3.2 Ensure the power supply of photometer.

10.3.3.3 Start the compressed air / Nitrogen gas to generate the test aerosol maintain at minimum

pressure 20psi (1.4 kg/cm²) or as per the Aerosol generator.

10.3.3.4 Direct the test aerosol at the return air point or fresh air intake of the AHU.

10.3.3.5 Put the photometer selector switch on up stream mode and unit of measurement in %.

10.3.3.6 Connect the tube of photometer to the up stream port of HEPA housing.

10.3.3.7 Wait until the photometer displays 100% up stream concentration.

10.3.3.8 Remove the tube of photometer and close the upstream port of HEPA housing and ensure for
Zero Leakage.

10.3.3.9 Put the photometer selector switch on down stream mode.

10.3.3.10 Wait until photometer displayed ‘0’ (ZERO).

10.3.3.11 Measure the down stream concentration by holding the probe approximately 1 inch away from

the face of the filter.

10.3.3.12 Scan the entire filter face including perimeters with the probe of photometer in overlapping
strokes,traversing at approximately 2 feet per minute (FPM).

10.3.3.13 Observe the percentage of leakage directly on the photometer and note down the reading in
given format as per Annexure-4. (Photometer detect the leak of every 2 seconds).
10.3.3.14 If any leakage’s observed through the sealing of the filter inform engineering dept. and get
things done.

10.3.3.15 Inform Quality Assurance and concerned dept.

10.3.3.16 If leakage is more then 0.01% of the upstream aerosol concentration of filters and 0% of the
joints of filters then asks engg. Dept. to repair it.

10.3.3.17 Repair patches on filters should not exceed maximum of 5% of the total filter face area and the
maximum width/length of each patch should not be more than 1.5 inches.Total number of patches should
not exceed 5 numbers/filters.

10.3.3.18 If the above mentioned limit exceeds, then replace the filter and check the integrity of filter as
per point no. 1.3.1 to 1.3.13 and 1.7

10.3.3.19 A report of filter integrity checking should be maintained and documented.

10.3.4 Terminal HEPA filters for clean room (Without individual upstream port.)

10.3.4.1 Ensure the system is running continuously for about 30 minutes which the filter integrity
checking is to be done.

10.3.4.2 Start the compressed air / Nitrogen gas to DOP/PAO generator to generate the test aerosol at
minimum pressure 20psi (1.4 kg/cm²) or as per the aerosol photometer and monitor the

pressure.

10.3.4.3 Direct the test aerosol at the return air point or fresh air intake of the AHU and that should be
after the heating and cooling coil.

10.3.4.4 Put the photometer selector switch on up stream mode and unit of measurement in %.

10.3.4.5 Check the up stream concentration of DOP/PAO at main duct of AHU, wait until the photometer

displays 100% up stream concentration

10.3.4.6 Enter the clean room.

10.3.4.7 Put the photometer selector switch on down stream mode.

10.3.4.8 Wait until photometer displayed ‘0’ (ZERO).

10.3.4.9 Measure the down stream concentration by holding the probe approximately 1 inch away from
the face of the filter.
10.3.4.10 Scan the entire filter face including perimeters (Edges) with the probe of photometer in
overlapping strokes, traversing at approximately 2 feet per minute (FPM).

10.3.4.11 Observe the percentage of leakage directly on the photometer and note down the values .
(Photometer detects the leak of every 2 seconds).

10.3.4.12 Inform Quality Assurance and concerned dept.

10.3.4.13 If leakage is more than 0.01% of the filters and 0% of the joints of filters of the up stream
aerosol concentration and then repair it.

10.3.4.14 Repair patches on filters should not exceed maximum of 5% of the total filter face area and the
maximum width/length of each patch should not be more then 1.5 inches. Total number of
patches should not exceed 5 numbers/filters.

10.3.4.15 If the above mentioned limit exceeds, then replace the filter and check the integrity of filter as
per point no. 1.3.1 to 1.3.13 and 1.7

10.3.4.16 A report of filter integrity checking should be maintained and documented.

10.3.5 LAF work station, HEPA module, and garment cubical/cupboard.

10.3.5.1 Start the LAF of which filter integrity is to be checked.

10.3.5.2 Record the manometer reading.

10.3.5.3 Start the compressed air / Nitrogen gas generate the test aerosol at minimum pressure 20psi or
as per Photometer make.

10.3.5.4 Direct the test aerosol at the return air point or fresh air intake of the LAF.

10.3.5.5 Put the photometer selector switch on up stream mode and unit of measurement in %.

10.3.5.6 Connect the tube of photometer to the up stream port of HEPA housing.

10.3.5.7 Wait until the photometer displays 100% up stream concentration.

10.3.5.8 Put the photometer selector switch on down stream mode.

10.3.5.9 Wait until photometer displayed ‘0’ (ZERO).

10.3.5.10 Measure the down stream concentration by holding the probe approximately 1 inch away from
the face of the filter.
10.3.5.11 Scan the entire filter face including perimeters with the probe of photometer in overlapping
strokes, traversing at approximately 2 feet per minute (FPM).

10.3.5.12 Observe the percentage of leakage directly on the photometer note down the reading.

10.3.5.13 If leakage is more than 0.01% of the filter and 05 for the joints of filters of upstream aerosol

concentration then repair it.

10.3.5.14 Repair patches on filters should not exceed maximum of 5% of the total filter face area and the
maximum width/length of each patch should not be more then 1.5 inches. Total number of
patches should not exceed 5 numbers/filters.

10.3.5.15 If the above mentioned limit exceeds, then replace the filter and check the integrity of filter as
per point no. 1.3.1 to 1.3.13 and 1.7

10.3.5.16 Inform Quality Assurance and concerned dept.

10.3.5.17 A report of filter integrity checking should be maintained and documented.

10.3.5.18 Check the air velocity of individual HEPA filter by keeping anemometer probe approximately 6
inch away from the filter.

10.3.5.19 Note down the reading and if the Avg. reading are not within the acceptable limit replace the

filter.

10.3.5.20 Carry out steps 1.5.1 to 1.5.13 and 1.7 after replacing the filter.

10.3.5.21 Limits for the Avg. velocity 90 fpm + / – 20%, 0.45m/s +/-20%

10.3.6 AHU / PLENUM MOUNTED HEPA FILTERS

Note: Before entering the AHU /PLENUM he should wear the shoe covers.

10.3.6.1 Ensure the system is running continuously for about 30minutes which the filter integrity checking
is to be done.

10.3.6.2 Start the compressed air / Nitrogen gas to DOP/PAO generator to generate the test aerosol at
minimum pressure 20psi or as per aerosol photometer and monitor the pressure.

10.3.6.3 Direct the test aerosol at the return air pump on Fresh air intake of AHU.

10.3.6.4 Put the photometer selector switch on up stream mode and unit of measurement in % mode.
10.3.6.5 Check the up stream concentration of DOP/PAO after cooling and heating coil and before HEPA
at AHU/PLENUM. Wait until the photometer displays 100% up stream concentration.

10.3.6.6 Remove the tube of photometer and seal AHU / PLENUM port of and ensure for Zero Leakage
through port.

10.3.6.7 Put the photometer selector switch on down stream mode.

10.3.6.8 Wait until the photometer displays zero.

10.3.6.9 Open the AHU / PLENUM door and enter inside.

10.3.6.10 Measure the down stream concentration by holding the probe approximately 1 inch away from
the face of the filter.

10.3.6.11 Scan the entire filter face including perimeters with the probe of photometer in overlapping
strokes, traversing at approximately 10 feet per minute (FPM).

10.3.6.12 Observe the percentage of leakage directly on the photometer note down the reading.

10.3.6.13 If any leakage’s observed through the sealing of the filter tighten the filter nuts and check again
for any leakage.

10.3.6.14 If leakage is more then 0.01% of the up stream aerosol concentration then repairs it.

10.3.6.15 Repair patches on filters should not exceed maximum of 5% of the total filter face area and the
maximum width/length of each patch should not be more then 1.5 inches. Total number of
patches should not exceed 5 numbers/filters.

10.3.6.16 If the above mentioned limit exceeds, then replace the filter and check the integrity of filter as
per point no. 1.3.1 to 1.3.13 and 1.7

10.3.6.17 Inform Quality Assurance and concerned dept.

10.3.6.18 A report of filter integrity checking should be maintain and documented.

10.3.7 DOP/PAO leakage up to 0.01% of the up stream challenge aerosol concentration is allowed for

EU – 12 filters and DOP leakage up to 0.01% of the up stream challenge aerosol

Concentration is allowed For EU – 13 filters.

10.3.8 The rejected / faulty filter shall be scraped and shall be incinerated.
11.0 Procedure for Temperature and Relative Humidity and Air pressure difference
Measurement

Being Done As per respective SOP.

12.0 Procedure for Non Viable Particulate count test

12.1 Apparatus Required: –

Discrete particulate counter.

12.2 Acceptance Criteria:-

Maximum concentration limits (Particles/m3 of air) for particles equal to and larger than
Class
the considered sizes shown below (ISO 14644 )

0.5µ 5µ

ISO Class- 8 3520000 29300

The average particle concentration at each of the particle measuring location falls below the
class limit.

When the total number of locations sampled is less than 10, the calculated 95 % Upper
Confidence Limit (UCL) of the particle concentration is below the class limit.

12.3 Procedure

Follow the respective locations procedure to enter the clean room.

Calculate the minimum number of location for air sampling by following formula,

NL = √A

Where, N -Number of Locations (Rounded up to the higher whole number),

A-is the area of the clean room or clean zone in Square meter.

o o

o o
for example Area of Room = 16m2

N=√A 

= 4 Location

Distribute the calculated number of sampling location evenly in the clean room or clean zone or as per the
authorized protocol at respective location.

Prepare the particle counter for taking the air sample in the clean room or clean zone.

Ensure that particle counter is purged by the purge filter supplied with the particle counter before the start
of testing, till the reading obtained is zero.

All the testing should be carried out at working level.

The sampling probe should be positioned pointing to the airflow, in case of non- unidirectional air flow;
probe should be directed vertically upward.

Take number of samples as per calculation.

Minimum volume

V = 20 X 1000

V = min. single volume /location expressed in liters.

C = is the class limit (no of particle / m3) for the largest considered particle
size specified for the relevant class.

20 = is the defined no of particle that could be counted if the particle


concentration were at the class limit.

The volume of sample atleast 2 liters / each location and the duration per sampling is minimum 1 min as
per ISO 14644-1.

Collect the print out generated by the instrument after the testing and record the values of 0.5 and 5.0 µ
particles.
Calculate the average values of each location and mean average of all the locations in a clean room or

Zone for respective particle size and report the values in particles/m3 .

Compare the recorded values with (Ref: ISO 14644 – I) selected airborne particulate cleanliness classes
for clean rooms and clean zone.

13.0 Procedure for monitoring viable particle count test

Is being done As per respective SOP.

14.0 Procedure for particulate count recovery test

14.1 Apparatus Required: –

Discrete particulate counter.

14.2 Acceptance Criteria:-

Clean room takes to return from a contaminated condition to the specified clean room condition. This
should not take more than 15 min. In accordance with ISO 14644-3

Maximum concentration limits (Particles/m3 of air) for particles equal to and larger than
Class
the considered sizes shown below (ISO 14644 )

0.5µ 5µ

ISO Class-
3520000 29300
8

14.3 Procedure

Follow the respective locations procedure to enter the clean room.

· Prepare the particle counter for taking the air sample in the clean room or clean zone.

· Ensure that particle counter is purged by the purge filter supplied with the particle counter before the
start of testing, till the reading obtained is zero.

· All the testing should be carried out at working level.


· The sampling probe should be positioned pointing to the airflow, probe should be directed vertically
upward.

· The volume of sample at least 2 liters / each location and the duration per sampling is minimum 1 min

as per ISO 14644-1.

Take reading when AHU is ON.

Collect the print out generated by the instrument after the testing and record the values of 0.5 and 5.0 µ
particles ‘AT REST’ Condition .

·Put OFF the AHU & start taking reading intermittently every 1 minutes upto 20 minutes, as the reading of
particle counts reach the next class of clean room( ie. Class 9 for testing of ISO Class 8 clean room)

switch on the AHU & determine the time required to attain the class standard from the print outs of particle
counter. Time taken to return to its original condition is called Recovery Time.

15.0 Procedure for Air flow Visualisation smoke test

15.1 Apparatus required

Digital video Camera

15.2 Required Chemical

Titanium tetra Chloride /Dry Ice

15.3 Precaution

Wear all protective cloths and nose mask, gloves and safety glass.

15.4 Acceptance criteria

From clean to dirty areas• do not cause cross-contamination• uniformly from laminar flow units.
Demonstrated by actual or videotaped smoke tests. In accordance with ISO 14644-3 Annex B7*.

15.5 Procedure

· Before executing the activity ensure all precautionary measure.

· Dip the rod which has one end wrapped with the cloth into the chemical if Titanium tetra Chloride
chemical used for smoke generation or Dry Ice dip in water /WFI for generation of Smoke
· Coming smoke through Titanium tetra Chloride smeared rod or dry Ice is kept below the supply grill and
in front of the return grill.

· Take the videography of smoke flow.

· In videography show the exact area name and supply return grill’s ID.

·Visually ensure the flow pattern of air inside the cubicle.

16.0 Frequency Of Performance Qualification

S. No. Test Required Test Frequency

1 Air Flow Volume and Air Changes 1 Year ± 1 Month

2 Filter Integrity (DOP) 1 Year ± 1 Month

3 Differential Pressure 1 Year ± 1 Month

4 Temperature and Relative Humidity As per SOP

5 Non Viable particle count 6 months ± 1 week

6 Viable particle count As per SOP No

7. Airflow visualization 2 Year ± 2 Month

8. Recovery Study 2 Year ± 2 Month

17.0 Deviations if any

Any deviation observed during Re Qualification shall be recorded and investigated.

If the observed deviation does not have any impact on the Qualification the final conclusion shall be

provided.

If the observed deviation has impact on the Qualification, deviation shall be reported to the concerned

department for the corrective action and Qualification activity shall be redone

18.0 Performance-Qualification Report


18.1Based on the outcome from this Qualification study, a report shall be prepared by Quality Assurance.
The Qualification report shall be reviewed and then approved by all functional heads of all the concerned

departments. Qualification Report shall include following:

18.1.1. Cover page of the Report.

18.1.2 Qualification Report Approval Sheet.

18.1.3 Report of Air velocity and ACPH.

18.1.4 Report of filter integrity.

18.1.5 Report of Temperature and Relative Humidity Differential pressure.(Maintained separately as


daily log sheets)

18.1.6. Report of nonviable particle count.

18.1.7. Environment Monitoring Report for Passive Air Sampling.

(Trend data are keeping separately)

18.1.8. Drain Monitoring Report. (Trend data are keeping separately)

18.1.9. Environment Monitoring Report for Active Air Sampling.

(Trend data are keeping separately)

18.1.10 Calibration certificate of Differential pressure gauge.

18.1.11 Calibration certificate of Anemometer.

18.1.12 Calibration certificate of sling type Psychrometer.

18.1.13 Calibration certificate of aerosol photometer.

18.1.14 Calibration certificate of discrete particulate counter.

18.1.15 Qualification Report Summary & Conclusion

18.1.16 Certificate of Completion

18.1.17 HEPA filter details.

18.1.18 Deviation details.


18.1.19 Recovery Study Test Report.

.19.0 References 

ISO 14644 — 1,2,

Clean room Technology-Fundamentals of design, testing and operation-W.Whyte

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