Design Qualification of Stability Room is a process for GMP qualification that confirms the stability area design meets predefined requirements for temperature, humidity control, storage conditions, and regulatory expectations. This guide covers DQ requirements, documentation, design review, and key considerations for establishing a compliant stability testing facility.
TABLE OF CONTENT
| Description |
| Title Page |
| Table of Contents |
| Pre – Approval of Documents |
| Objective |
| Scope |
| Responsibilities |
| Facility Design Brief Description |
| Critical Attributes to be met while designing facility |
| Layouts & Design |
| Location & Surroundings |
| Premises |
| Floor |
| Walls |
| Ceiling |
| Doors & View Panels |
| Utilities to be provided |
| Electrical Requirements |
| Safety Aspects |
| Regulatory Requirements |
| Equipment’s |
| Observation (Section Wise) |
| Specification (Room wise) |
| Summary and conclusion |
| Abbreviations |
| References |
| Post Approval of Documents |
| Revision History |
Pre-Approval of Documents:
PREPARED BY:-
| Name | Designation/Department | Signature | Date |
REVIEWED BY:-
| Name | Designation/Department | Signature | Date |
APPROVED BY:-
| Name | Designation/Department | Signature | Date |
Objectives of Design Qualification of Stability Room:
This document is generating under the authority of the XYZ company for the purpose of specifying the Design Qualification for Stability Area. The objective of this document is to provide the requirement and appropriate design to support the in-house requirements as well as compliance with cGMP and to fulfill market demand.
The purpose of this Design Qualification (DQ) Protocol is to verify and document that the proposed design of the stability area used for storage and testing of stability samples in accordance with applicable pharmaceutical GMP requirements, ICH guidelines, and internal quality standards. The protocol ensures that the facility consistently maintains required environmental conditions for long-term, intermediate, accelerated, and special stability studies.
Scope:
The scope of this document is to define the requirements for new stability area in XYZ company
Responsibilities
| Department | Responsibility |
| Quality assurance | Preparation of Design Qualification protocol cum report Execution of Design Qualification Review of DQ Pre & Post Approval of DQ Responsible for the compliance of DQ |
| Engineering | Review of DQ Support in execution of Design Qualification To assist concerned department for the preparation of DQ |
| Quality control | Review of DQ To assist concerned department for the preparation & execution of DQ |
Facility Design Brief Description:
The Stability Area shall be a controlled environment facility intended for storage of stability samples under defined temperature and humidity conditions. The area shall include The laboratory shall be designed to:
- Stability chambers/rooms
- Controlled access provisions
- Environmental monitoring systems
- Utility provisions for uninterrupted operation
- Data acquisition and alarm systems
- Adequate movement space for personnel and materials
The facility shall be designed to prevent contamination, mix-ups, unauthorized access, and environmental excursions.
Design Qualification of Stability Room: Critical Facility Design Requirements
Layouts & Design
Layout shall ensure the logical flow of man and material
Sample receipt
Stability storage
Adequate space shall be available around chambers for maintenance and cleaning.
Access control shall be incorporated.
Location & Surroundings
Stability area shall preferably be located away from:
Utility vibration sources
Chemical storage
External walls exposed to direct sunlight (where possible) Area shall be protected from water seepage, flooding, dust, pests, and excessive vibration.
Surroundings shall support environmental control stability.
Premises
To ensure premises are suitable for charging and discharging operations. Room dimensions shall be adequate for operation and cleaning.
Premises shall be designed for easy cleaning and maintenance.
Adequate illumination shall be provided.
HVAC system shall maintain specified environmental conditions.
Differential pressure requirements shall be defined where applicable.
Premises shall prevent ingress of insects, rodents, and contaminants.
Floor
Floor surface shall be smooth, non-porous and finished, suitable for cleanroom. Rounded coving shall be provided which is easy to clean.
Walls
Walls material shall be suitable for controlled environments which shall be non-shedding and durable having sealed joints and resistant to cleaning agent.
Ceiling
Ceiling shall be flush, smooth, and non-shedding.
False ceiling, if provided, shall be sealed and accessible for maintenance. No exposed joints or gaps shall be present. Ceiling material shall resist moisture and fungal growth.
Doors & View Panels
Door material shall be non-corrosive and cleanable with self closing doors provided. View panel shall be flush mounted with proper door sealing and drop sealing available.
Utilities to be provided
Utility requirements shall be adequately addressed with proper HVAC, controlled environment monitoring. Purified/raw water and compressed air (if required) line LAN connectivity, power supply with UPS backup and alarm system shall be made available wherever applicable.
Electrical Requirements
Dedicated electrical supply for stability chambers.
Essential equipment shall be connected to UPS and emergency power.
Electrical panels shall be identified and accessible.
Proper earthing shall be provided.
Electrical wiring shall comply with applicable electrical standards.
Socket points shall be adequate and strategically located.
Alarm system for power failure shall be provided.
Safety Aspects
Safety provisions shall includes fire extinguisher shall be installed wherever applicable.
Regulatory Requirements
WHO GMP requirements
EU GMP
US FDA 21 CFR Part 210 & 211
Schedule M requirements
ICH Q1A (R2)
Equipment’s
Stability chambers
Walk-in stability Chamber
Temperature and humidity monitoring systems
Data loggers
Access control systems
UPS systems
Alarm systems
Observation (Section Wise)
| Objective | Observation |
| Approved layout available | |
| URS reviewed and incorporated | |
| Personnel/material flow defined | |
| Utility requirements identified | |
| Floor finish suitable | |
| Walls smooth and cleanable | |
| Ceiling sealed and flush | |
| Doors self-closing | |
| View panels flush mounted | |
| Safety systems provided | |
| Fire protection available | |
| Equipment layout finalized | |
| Maintenance access available | |
| Cleaning accessibility ensured | |
| Environmental monitoring points identified | |
| Regulatory requirements considered |
Remark:__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Specification (Room Wise)
Section usually lists the design requirements and specifications for each functional area of the facility, system, or equipment. This helps verify that the design meets regulatory, user requirement specification (URS), and GMP requirements.
Design Qualification of Stability Room Checklist
| CHECK POINTS | REQUIREMENT |
| Description | |
| Check the dimension of the room (length, width, and height in meters / metric system). | Drawing should be available |
| Identification | |
| Walls/Panels of Area & Air lock | |
| Wall/Panel in area. | Availability of wall/Panel in area. |
| Appropriate walls paint (quality, colour, grade) (if any) | Suitable paint depending on wall type (if any) |
| Panel to panel/wall to wall coving (if required) | Availability of coving |
| Coving in respective area done. | Coving should be available |
| PP strips coving with silicon work finish (if required) | PP strip coving should be available |
| Wall to floor coving with sand coving | Coving should be available |
| Floors of Area | |
| Ensure floor to wall corners have cove | Coving surface should be smooth |
| Ensure that floor is cleaned | Floor surface should be clean |
| Ceiling of Area & Air lock: | |
| Verify the appropriate ceiling of the area. | Ceiling should be available |
| Ceiling to panel/wall coving (if required) | Coving should be available |
| Doors of Area & Air lock: | |
| Availability of doors in each area. | – |
| Check that proper direction stickers are provided in all door i.e, (Push and Pull). | – |
| Door view glass availability | Door view glass should be available |
| Door Closer | Should be available |
| Door SS handle | Should be available |
| Door electric magnet (if interlocking in place) | Should be available |
| Door air seal | Should be available |
| Door base air seal (Drop Seal) | Should be available |
| Panel/View Panel/window of Area | |
| Ensure that it is properly sealed to prevent dirt accumulation. | Panel/View Panel/window should be sealed |
| Check the material of construction, as per design. | Pre-coated panels with PUF (Polyurethane Foam) insulation Double-glazed toughened glass |
| Check single/double glass, colour of glass, type of glass as per requirement. | Double-glazed toughened glass Flush fitted with panel system |
| Availability of windows | – |
| Electrical Works: | |
| Wiring of Area: | |
| Availability of Electric switches at respective location | – |
| Verify all the electrical cables present in the room are concealed. | Electrical switches should be concealed |
| Lighting of Area & Air lock | |
| Availability of LED/Monochromatic lights of area as per drawing | – |
| Location of the connections and its voltage and phase. | Connections should be concealed |
| Size of LED/Monochromatic lights as per drawing | – |
| Openable from area side by screw or from service floor | – |
| Electrical switches/sockets available | Electrical of switches should be available |
| Air Handling System of Area & Air lock: | |
| Availability of Supply grills in area | – |
| Availability of Return grills in area | – |
| Services/Utilities: | |
| Machine Utility Supply Line Availability | Should be available |
| Compressed Air line availability | – |
| Availability of Power plugs and sockets | Should be available |
| Process water supply line | – |
| Purified water supply loop (if applicable) | Purified water line should be available and marked |
| Drains: | |
| Availability of drain points (If required) | – |
| General Requirement : | |
| Man movement and Material Flow: | |
| Availability of entry and exit for man and material flow. | – |
Summary and conclusion for Design Qualification of Stability Room
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Abbreviations
| cGMP | Current Good Manufacturing practices |
| URS | User Requirement Specification |
| HVAC | Heat Ventilation & Air Conditioning |
| GMP | Good Manufacturing Practices |
| UPS | Uninterrupted power supply |
| NMT | Not more than |
| LED | Light Emitting Diode |
| PUF | Polyurethane Foam |
| PP | Poly Propylene |
| WHO | World Health Organization |
| ICH | International Council for Harmonisation |
| AC | Alternate Current |
| SB | Stability |
| HVAC | Heating Ventilation and Air Conditioning |
| DQ | Design Qualification |
Reference
- EU GMP Part 1 chapter 6
- WHO Technical Report Series 961 Annex 9
Post Approval of Documents
CHECKED BY:-
| Name | Designation/Department | Signature | Date |
REVIEWED BY:-
| Name | Designation/Department | Signature | Date |
APPROVED BY:-
| Name | Designation/Department | Signature | Date |
Revision History:
| Revision No. | Effective Date | Nature of revision |
FAQ’s for Design Qualification of Stability Room
Q1. What is Design Qualification (DQ) of a Stability Room?
Answer: Design Qualification (DQ) confirms that the stability room design meets predefined GMP, temperature, humidity before installation requirements.
Q2. Why is DQ required for a stability room?
Answer: DQ ensures the facility design is suitable for maintaining required storage conditions and supporting reliable stability studies.
Q3. What are the key parameters checked during stability room DQ?
Answer: Temperature control, humidity control, HVAC design, storage capacity, monitoring system, alarms, and utilities are reviewed.
Q4. What documents are required for stability room DQ?
Answer: URS, layout, HVAC design, risk assessment and design review documents are required.