| Field | Value |
|---|---|
| Document ID | QC-UTIL-003 |
| Title | Wastewater & Drainage Systems Specification |
| Document Type | Authoritative QC Specification |
| Owner | Quality Unit (QU) |
| Approver | Quality Unit (QU) |
| Effective Date | 03/01/2026 |
| Version | v3.0 |
| Change Control Reference | QMS-UTIL-003 |
This specification establishes mandatory Quality Control requirements governing wastewater, sewer, and drainage infrastructure serving GMP-designated areas to prevent contamination of components, in-process materials, packaging materials, labels, and finished dietary supplements.
This specification mitigates risks including cross-contamination, backflow, pest ingress, leakage, and structural compromise that could result in adulteration under 21 CFR Part 111.
Compliance with 21 CFR 111.20, 111.23, 111.27, and 111.35 requires physical plant design and maintenance that prevent contamination. This specification defines objective control states and mandatory QMS escalation triggers to ensure regulatory conformity.
Applies To: Wastewater piping, sewer mains, trench drains, backflow prevention systems, and drainage routing serving GMP-designated areas.
Excludes: Floor slope, trap depth, and localized drain geometry governed under QC-FAC-003.
Compliant State: All acceptance criteria satisfied.
Nonconforming State: One or more acceptance criteria not met.
Invalid State: Record incomplete, missing required element, missing authorization, or control parameter undefined.
Escalation Trigger: Objective condition that requires mandatory entry into a defined QMS process.
Stop-Execution Condition: Execution is prohibited until resolution under QMS governance.
| Attribute | Compliant State | Nonconforming State | Invalid State | Escalation Trigger | Required QMS Process Entry | QU Authorization Required? |
|---|---|---|---|---|---|---|
| System Segregation | No unprotected cross-connections between sanitary, process, or utility wastewater systems. | Unprotected cross-connection identified. | Routing verification documentation missing. | Cross-connection within GMP envelope. | Deviation + Change Control | Yes |
| Backflow Prevention | No backflow events within GMP envelope. | Backflow event detected. | Inspection record missing. | Backflow reaches exposed material zone. | Deviation + Quality Defect | Yes |
| Leakage Integrity | No wastewater leakage within GMP envelope. | Leak detected. | Inspection documentation incomplete. | Leak within 10 feet of exposed materials or above ceiling grid. | Deviation + Quality Defect | Yes |
| Pest Barrier Integrity | All penetrations sealed; no pest entry pathway. | Unsealed penetration identified. | Verification record missing. | Pest pathway identified in GMP envelope. | Deviation | No |
| Systemic / Repeated Failure | Fewer than 2 Nonconforming States within a 30-day rolling period. | 2 or more Nonconforming States within a 30-day rolling period. | Trend evaluation record missing for a period with one or more Nonconforming States. | 2 or more Nonconforming States within a 30-day rolling period. | CAPA | Yes |
| Trigger Condition | Execution May Continue? | Required Action | QMS Process Entry | Workflow (W)? | QU Authorization (A)? | Required Record |
|---|---|---|---|---|---|---|
| Compliant State | Yes | Continue execution. | None | No | No | Wastewater System Inspection Log |
| Nonconforming State | No | Execution is prohibited until evaluated under QMS governance. | Deviation | Yes | No | Deviation Record |
| Escalation Trigger | No | Execution is prohibited until QU authorization where required. | Deviation + Quality Defect | Yes | Yes | Quality Defect Record + QU Authorization Record |
| Systemic / Repeated Failure (2 or more Nonconforming States within a 30-day rolling period) | No | Execution is prohibited until systemic evaluation is governed under QMS. | CAPA | Yes | Yes | CAPA Record + QU Authorization Record |
| Invalid State | No | Execution is prohibited until record correction and verification. | Deviation | Yes | No | Deviation Record |
When a Nonconforming State occurs, Deviation entry is mandatory.
When an Escalation Trigger occurs, Quality Defect entry is mandatory.
When wastewater system redesign is required, Change Control entry is mandatory.
When 2 or more Nonconforming States occur within a 30-day rolling period, CAPA entry is mandatory.
E: Execute inspections and document objective findings.
W: Mandatory QMS workflow entry upon defined triggers.
A: QU authorization is required prior to disposition decision gates and prior to implementation of facility modifications governed under Change Control.
Compliant State: All acceptance criteria satisfied.
Nonconforming State: One or more acceptance criteria not met.
Invalid State: Record incomplete, missing required element, missing authorization, or control parameter undefined.
Escalation Trigger: Objective condition that requires mandatory entry into a defined QMS process.
Stop-Execution Condition: Execution is prohibited until resolution under QMS governance.
Change Control entry is required for modification to wastewater routing, system segregation, backflow protection, or containment architecture. Independent QU approval is required prior to implementation. No implementation is permitted without QU authorization.