Standard Operating Procedure for Line Clearance Before Gel Transfer in Gel Manufacturing
| Department | Gel Manufacturing |
|---|---|
| SOP No. | SOP/GM/126/2025 |
| Supersedes | SOP/GM/126/2022 |
| Page No. | Page 1 of 10 |
| Issue Date | 09/06/2025 |
| Effective Date | 11/06/2025 |
| Review Date | 09/06/2027 |
1. Purpose
To define the procedure for line clearance before the transfer of bulk gel from manufacturing vessels to ensure that the area, equipment, and documentation are free from remnants of previous batches or materials.
2.
Scope
This SOP applies to all line clearance activities prior to gel transfer in the Gel Manufacturing area of the facility.
3. Responsibilities
- Production Operator: Prepares area and equipment for clearance and notifies QA.
- QA Officer: Conducts line clearance, completes checklist, and authorizes transfer.
- Production Supervisor: Ensures implementation and documentation of procedure.
4. Accountability
Department Head – Gel Manufacturing
5. Procedure
5.1 Preparation for Line Clearance
- Ensure completion of cleaning and drying of vessels, transfer lines, and holding tanks.
- Remove all raw materials, printed materials, and product remnants of the previous batch.
- Place “Line Clearance in Progress” signage at entry points.
5.2 QA Line Clearance Checks
- Verify cleanliness of equipment, utensils, pipelines, and environment.
- Check for absence of product residues, previous batch labels, and documents.
- Ensure environmental conditions meet the specified limits for cleanliness and temperature.
- Confirm calibration status of instruments and equipment.
5.3 Documentation
- Record line clearance details in the Line Clearance Checklist (Annexure-1).
- QA Officer and Production Supervisor to sign and date the clearance form.
- Only after QA clearance can gel transfer begin.
5.4 Frequency
- Before every batch transfer activity.
- After cleaning or changeover of equipment or area.
- Post any maintenance or repair work within the gel transfer area.
6. Abbreviations
- QA: Quality Assurance
- SOP: Standard Operating Procedure
- cGMP: current Good Manufacturing Practices
7. Documents
- Line Clearance Checklist – Annexure-1
- Equipment Cleaning Log Book
8. References
- WHO TRS 986 – cGMP Guidelines
- FDA 21 CFR Part 211 – Subpart D: Equipment
9. SOP Version
Version: 2.0
10. Approval Section
| Prepared By | Checked By | Approved By | |
|---|---|---|---|
| Signature | |||
| Date | |||
| Name | |||
| Designation | Jr. Production Chemist | QA Executive | Head – Manufacturing |
| Department | Gel Manufacturing | Quality Assurance | Manufacturing |
11. Annexures
Annexure-1: Line Clearance Checklist
| Check Point | Status (Yes/No) | Remarks |
|---|---|---|
| Area free from previous product residues | ||
| All raw and printed materials removed | ||
| Equipment cleaned and dried | ||
| No obsolete documents or labels present | ||
| Environmental parameters within limits | ||
| Calibration of instruments verified | ||
| QA Approval Given |
Revision History
| Revision Date | Revision No. | Change Description | Reason | Approved By |
|---|---|---|---|---|
| 01/03/2022 | 1.0 | Initial issue | New SOP | QA Head |
| 09/06/2025 | 2.0 | Updated checklist and formatting | cGMP Alignment | QA Head |