Transcript
HVAC Validation
Introduction Heating, Ventilation and Air Conditioning System (HVAC)
HVA HVAC systems can have an impact on product pro duct quality
It can provide comfortable conditions for operators
The impact on premises and prevention of contamination and cross-contamination to be considered at the design stage
Temperature, relative humidity control where appropriate
upplement to basic !"#
Introduction Heating, Ventilation and Air Conditioning System (HVAC)
HVA HVAC systems can have an impact on product pro duct quality
It can provide comfortable conditions for operators
The impact on premises and prevention of contamination and cross-contamination to be considered at the design stage
Temperature, relative humidity control where appropriate
upplement to basic !"#
HVAC system consists of/
Air conditioner
AH$s
%ehumidifier %ehumidifier & Heater
'ilters (#re ) H*# H* #A+
%ust *tractors
%ucting ('or delivery of controlled air+
upply 'ans
moe %etector
%ampers
Humidity & Temperature & #ressure sensors
.ag 'ilters
Heating & Cooling Coils
Area 0
'resh Air
Area 1 HVAC
Impure air
#ure air Area 2
Area 3
4eturn Air
*haust air
I " # $ 4 * A I 4
!&AC Component# E'hau#t Air (rille
Silencer
Weather louvre
Flo rate controller
Fan
Filter
Control damper !eater +
$reflter
!umidifer
Coolin" coil !eatin" ith coil droplet #eparator
Secondar) Filter
%ecirculated %ecir culated air
Terminal T erminal flter
$roduction %oom
Validation of HVAC systems It includes:
Commissioning
5ualification
"aintenance
Commissioning
#recursor to qualification
Includes setting up, balancing, ad6ustment and testing of entire HVAC system to ensure it meets requirements in $47
Acceptable tolerances for parameters
Training of personnel
Conti: Records and data maintained include:
Installation records 8 documented evidence of measure capacities of the system
%ata/ design and measurement for, e7g7 air flow, system pressures
9)" manuals, schematic drawings, protocols, reports
5ualification
To ensure that equipment is designed as per requirement, installed properly7
Action of proving that any equipment wors correctly and leads to the epected results7
HVAC 5ualification Validation "aster #lan 5$A;I'ICATI9< $ser 4equirement pecification %esign 5ualification Installation 5ualification 9peration 5ualification #erformance 5ualification 4e- 5ualification7
Conti:
"anufacturers should qualify HVAC systems using a ris based approach7
The qualification of the HVAC system should be described in a validation master plan (V"#+7
The validation master plan should define the nature and etent of testing and the test procedures and protocols to be followed7
A change control procedure should be followed
Conti: 4is
analysis to determine critical and non-critical parameters,
components, subsystems and controls Critical
parameters should be included
7 %etails safety requirements7 ?7 'ull details of the intended construction prior to implementation7 @7 %etails all equipment that must be ordered7
Installation 5ualification (I5+ I# should include:
Instrumentation checed against current engineering drawings and specifications
#roperly served by the required utilities
Verification of materials of construction
Installation of equipment and with piping
Calibration of measuring instruments
9peration manuals and spare parts lists to assure the proper and continuous operation of the system
Components are installed at specified location
Conti I# $ocument should contain
Instrument name, model, I7%7 #a between classified area ) unclassified area o
Action • H*#A filter blocage • Increase fan speed • Increase air flow to specific area by altering dampers
Conti: A27 AI4';9 V*;9CIT
*quipment/ Anemometer
4eading should be taen 0Ecm from the surface of filter7
4ecord velocity reading from all the four corners and the Centre of the filter surface7
4epeat twice at each location
'or !rade A laminar flow worstations, the air flow rates shall be E72 meter per second J 1EK (for vertical flows+ and E73> J 1EK (for Hori=ontal flows+
7 Temperature and 4elative Humidity/
$se a sling psycrometer to measure the dry bulb and wet bulb temperature of the air7
Chec the wic of the sling psycrometer, it should be always in wet conditions in order to record correct wet bulb temperature7
ling the psycrometer in air for about a minuteDs time and record the dry bulb and wet bulb temperature7
Chec the wet bulb depression i7e7 difference between dry bulb and wet bulb temperature7
Conti:
Acceptance criteria/ Temperature/ 1@oC Humidity/ 3> N >>K
'requency / %aily
Conti: A*Air chan"e rate7 • "easurement of the air supply volume and determination of the air change rate (AC4+ is a measure of the frequency of air turnover in the clean room7 • This gives some idea as to how quicly contamination may be removed from the clean room provided there is acceptable miing of air in the room7 • The AC4 can be determined by measuring the mean air velocity at the supply H*#As or grilles and calculating the air change rate based on the mean air supply volume7
Conti: *quipment/
ample
Anemometer
locations
At least four positions are tested across the filter or face to obtain the mean supply air velocity7 'requency
of sampling
ch " - ? "onthly !"# compliance 8 5uarterly
grille
Conti: A@7 "IC49.I9;9!ICA; T*T olid
growth media (e7g7 settle and contact plates+ oybean Casein %igest Agar medium can be used for both .acteria ) 'ungi tested7
The
recommended si=e of solid media is ME mm in diameter (for settle plates+
>>
mm for contact plates7
Conti: • ampling condition/ • ampling in the at rest condition may be continued at an agreed frequency to monitor baseline contamination levels • The operational conditions and the activities being performed at the time of testing should be recorded
• Incubation condition/ • Incubation of samples, inverted, at 1E 8 1> o C for at least > days is suitable for the growth of mould and fungi7 • Incubation of samples, inverted, at 2E - 2> EC for at least 1 days is suitable for the growth of bacteria7
Conti: Acceptance
criteria for Airborne .ioburden test/
Critical *nvironment/ no more than 0 C'$&m 2, or E7E2 C'$&ft2($# monograph+
Acceptance criteria for urface .ioburden test/
Critical *nvironment/ no more than 0 C'$&017Mcm 1, or 1 in1 ('%A Aseptic #rocessing !uidelines+
4eferences • upplementary guidelines on good manufacturing practices for HVAC systems for non-sterile pharmaceutical dosage forms7 (H9 Technical 4eport- eries, ?7