Effective SOP for Good Warehousing Practices (GWP)

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Learn how to design and write a SOP for Good Warehousing Practices (GWP) to ensure proper storage, handling, and distribution of pharmaceutical materials in warehouse.
SOP for Good Warehousing Practices

1.0 PURPOSE

To describe the procedure and requirements for the receipt, storage, handling, and dispatch of raw materials, packaging materials, intermediates, and finished pharmaceutical products in compliance with Good Warehousing Practices (GWP).

2.0 SCOPE

This SOP is applicable to all personnel and operations within the warehouse areas involved in pharmaceutical warehousing at pharmaceuticals, including cold chain and controlled substances where applicable.

3.0 RESPONSIBILITY

3.1 Warehouse Officer/Staff is responsible to ensure receipt, storage, and dispatch of materials/products as per GWP and maintain documentation and cleanliness.

3.2 Quality Assurance (QA) is responsible to conduct regular audits, training for SOP, review and approve records.

3.3 Engineering/Maintenance is responsible to ensure proper functioning of HVAC, temperature control, and monitoring systems.

4.0 ACCOUNTABILITY

4.1 Head of Quality Assurance (QA) is accountable for the overall implementation and compliance with this SOP.

5.0 ASSOCIATED DOCUMENTS

5.1 Material Receipt Logbook

5.2 Temperature & Humidity Monitoring Records

5.3 Pest Control Records

5.4 Material Movement Record

5.5 Cleaning Checklist

5.6 FIFO/FEFO Record Sheet

6.0 PRECAUTIONS

6.1 Ensure materials are protected from sunlight, moisture, contamination, and pests.

6.2 Monitor temperature and humidity continuously.

6.3 Segregate quarantine, rejected, and expired materials.

6.4 Maintain cleanliness and orderliness to avoid cross-contamination.

7.0 PROCEDURE

7.1 Material Receipt

7.1.1 Verify supplier documents (CoA, invoice, delivery note).

7.1.2 Check physical condition of consignment.

7.1.3 Label materials as “Under Quarantine” and store in designated quarantine area.

Inform QA for sampling and approval.

7.2 Material Storage

7.2.1 Store approved materials in designated areas (e.g., RM, PM, FG).

7.2.2 Follow FIFO or FEFO system as per product type.

7.2.3 Maintain environmental conditions as per product requirement (e.g., 15–25°C, 60% RH).

7.2.4 Use racks, pallets, and bins to prevent floor contact.

7.2.5 Clearly label storage areas and materials with status tags.

7.3 Controlled Materials Storage

7.3.1 Store narcotics or restricted substances under lock and key.

7.3.2 Maintain a separate register and access log.

7.4 Cold Storage Management

7.4.1 Store temperature-sensitive materials in cold rooms or refrigerators (2–8°C).

7.4.2 Use calibrated temperature monitoring devices with alarms.

7.5 Stock Rotation

7.5.1 Implement FIFO/FEFO to minimize expiry-related waste.

7.5.2 Perform regular stock checks and reconciliations.

7.6 Cleaning & Housekeeping

7.6.1 Follow cleaning schedules for floors, walls, racks, and equipment.

7.6.2 Record cleaning activity in the cleaning log book.

7.7 Pest Control

7.7.1 Conduct routine pest control per schedule.

7.7.2 Maintain records and verify effectiveness.

7.8 Dispatch of Goods

7.8.1 Ensure QA release before dispatch.

7.8.2 Pack and label finished goods securely.

7.8.3 Verify dispatch documentation and vehicle conditions.

7.9 Documentation & Record-Keeping

7.9.1 Maintain all logs, checklists, and records for traceability.

7.9.2 Archive records as per document retention policy.

8.0 ABBREVIATIONS/DEFINITIONS

8.1 GWP: Good Warehousing Practices

8.2 SOP: Standard Operating Procedure

8.3 QA: Quality Assurance

8.4 FIFO: First In First Out

8.5 FEFO: First Expiry First Out

8.6 RM: Raw Material

8.7 PM: Packaging Material

8.8 FG: Finished Goods

8.9 HVAC: Heating, Ventilation, and Air Conditioning

9.0 ANNEXURES

9.1 Annexure I: Warehouse Cleaning Checklist Log Book

Annexure I: Warehouse Cleaning Checklist Log Book

DateTimeAreaActivityStatus (/)Cleaned ByChecked ByRemarks
  Floor AreaSweeping & Mopping
 Racks & ShelvesDusting
 Storage ContainersWiping & Disinfection
 Cold RoomCleaning Walls & Floor
 Entry/Exit PointsCleaning Door Area
 General ObservationPest Activity Signs

9.2 Annexure II: Temperature Monitoring Log Book

Annexure II: Temperature Monitoring Log Book


Location: ___________________

DateTimeTemp (°C)Humidity (%RH)Recorded ByChecked ByRemarks
       
       
       

9.3 Annexure III: Material Receipt & Verification Form

Annexure III: Material Receipt & Verification Form


Date of Receipt: ____________
Supplier Name: _______________
Invoice No.: ________________

Material NameMaterial CodeBatch No.Qty. ReceivedConditionQuarantine Label Applied (Yes/No)Received ByRemarks
        
        
        
        

Checked by (Warehouse In-charge): __________________
Signature: _____________________

Forwarded to QA for Sampling: □ Yes □ No

9.4 Annexure IV: FIFO/FEFO Tracking Sheet

Annexure IV: FIFO/FEFO Tracking Sheet

Material Type: RM / PM / FG
Tracking Method: □ FIFO □ FEFO

Material NameBatch No.Date ReceivedExpiry DateQty. in StockIssue DateIssued QuantityIssued ToRemarks
         
         
         
         
         

Verified by (Store Supervisor): __________________
Signature: _____________________

9.5 Annexure V: Pest Control Record Sheet

Annexure V: Pest Control Record Sheet

Frequency: Weekly / Monthly

DateLocation TreatedPest Control ActivityService Provider NameObservations (Dead/Insects Found)Signed by TechnicianVerified by QARemarks
        
        
        
        

10. REVISION HISTORY

VersionDateDescription of ChangeReviewed ByApproved By
1.0

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