Pharmaceutical Clean Room &
Process Engineering India
Specialist engineering for pharmaceutical manufacturing, biotech, and life science facilities — where engineering quality directly determines regulatory compliance and product safety. ISO 14644 and EU GMP Grade A/B/C/D clean room design. HVAC validation protocols (IQ/OQ/PQ). Process piping for WFI, purified water, and clean steam to ASME BPE. FDA 21 CFR Part 210/211 and CDSCO compliant documentation. Serving pharmaceutical projects across Hyderabad, Bangalore, Mumbai, Ahmedabad, Pune, and internationally from New Delhi and Navi Mumbai.
Pharmaceutical Engineering Expertise
Every pharmaceutical engineering deliverable is designed for regulatory submission — not just for construction. Clean room classifications, HVAC validation protocols, and process piping specifications that are built to survive inspection.
What We Deliver
Complete clean room engineering for pharmaceutical and biotech manufacturing — from classification and airflow design to HEPA filtration layout and DQ documentation. Every clean room design is mapped against both ISO 14644 particle classification and EU GMP Annex 1 (2022) Grade requirements — ensuring correct zoning, correct air change rates, and correct differential pressure cascades for the manufacturing process in each area.
- Classification — ISO Class 5 (Grade A), ISO 6 (Grade B), ISO 7 (Grade C), ISO 8 (Grade D)
- Unidirectional (laminar) airflow design for Grade A critical zones — 0.45 m/s ±20%
- Turbulent airflow and air change rate design — Grade B (>20 ACH), Grade C/D (6–20 ACH)
- Differential pressure cascade — positive/negative pressure between clean zones
- HEPA H14 filtration system design and filter validation methodology
- Temperature (21±2°C) and humidity (45±10% RH) control design
- Airlock and personnel/material flow strategy — gowning room design
- EU GMP Annex 1 (2022) — updated contamination control strategy (CCS) documentation
- Pass-through airlocks, gowning rooms, and equipment pass-through design
- Viable and non-viable particle monitoring system layout
- Return air plenum and recirculation design
- Design Qualification (DQ) documentation for regulatory submission
Pharmaceutical HVAC systems must be validated — not just commissioned. KVRM provides engineering support throughout the IQ/OQ/PQ validation lifecycle, ensuring that the design basis (from DQ) is traceable through to the PQ performance data that appears in the regulatory submission.
- IQ — Installation Qualification: verify installed system matches approved design
- OQ — Operational Qualification: verify system operates within design parameters
- PQ — Performance Qualification: verify system maintains GMP conditions consistently
- Air change rate measurement and documentation
- Filter integrity test (aerosol challenge, DOP / PAO testing)
- Differential pressure monitoring and alarm verification
- Temperature and humidity mapping — 13-point or grid-based thermal mapping
- Smoke study assessment support — airflow pattern visualisation
- Requalification schedule — change control triggered revalidation planning
- HVAC validation master plan (VMP) preparation support
Process piping design for pharmaceutical critical utilities — Water for Injection (WFI), Purified Water (PW), clean steam, and CIP/SIP systems — to ASME BPE (Bioprocessing Equipment) standard. Surface finish, slope, dead-leg criteria, and weld documentation all designed for regulatory compliance from the outset.
- WFI (Water for Injection) — generation (distillation or membrane) and distribution loop
- Purified Water (PW) — RO/EDI generation, distribution loop to pharmacopoeia spec
- Clean Steam generation and distribution — autoclaving and sterilisation supply
- CIP (Clean-in-Place) and SIP (Steam-in-Place) system design
- ASME BPE surface finish specifications — SF1–SF6 selection per application
- Dead-leg criteria compliance — maximum 6D dead-leg length per cGMP guidance
- Slope and self-draining piping design — minimum 1% slope for WFI loops
- Orbital welding specification and weld log documentation
- Passivation and sanitisation protocol for stainless steel piping systems
- Distribution loop velocity analysis — turbulent flow verification (Re >10,000)
- Material certification and traceability — 316L SS, EP/USP-grade gaskets
- P&ID preparation for all critical utilities
Complete Mechanical, Electrical, and Plumbing design for pharmaceutical manufacturing buildings — production blocks, QC laboratories, warehouses, utilities buildings, and support areas — delivered in REVIT BIM with full multi-discipline coordination.
- HVAC design for production blocks — GMP and non-GMP area conditioning
- Chilled water system design and hydraulic analysis for process and building cooling
- Containment HVAC for potent compound handling — OEB3/OEB4/OEB5 categories
- Negative pressure suites for high-potency API (HPAPI) manufacturing
- HT/LT electrical distribution — SLDs, load flow, UPS for critical systems (ETAP)
- Emergency power — DG sizing, automatic transfer switching
- Fire protection — NFPA/NBC compliant for pharma manufacturing environments
- Multi-discipline REVIT BIM coordination — clash detection, MTO, IFC export
Design of critical pharmaceutical process utilities beyond water systems — compressed air, nitrogen, and vacuum systems that must meet pharmacopoeia quality specifications at every point of use.
- Compressed air (instrument quality, oil-free) — ISO 8573 Class 1.2.1 specification
- Nitrogen generation and distribution — inerting for sensitive API and formulation
- Vacuum system design — process and laboratory vacuum network
- Cold room and freezer room design — API and finished product cold chain
- Compressed air quality monitoring — continuous TOC, particle, and dew point monitoring
- Utility qualification (UQ) documentation support for all critical utilities
Engineering documentation structured for regulatory submission — whether to the USFDA (21 CFR Part 210/211), EMA (EU GMP Annex 1), or CDSCO. KVRM understands that the design document package is a regulatory document as much as an engineering document, and structures every deliverable accordingly.
- FDA 21 CFR Part 210/211 — current Good Manufacturing Practice facility design
- FDA 21 CFR Part 11 — electronic records and electronic signatures in BMS/SCADA
- EU GMP Annex 1 (2022 revision) — contamination control strategy (CCS) documentation
- EU GMP Annex 15 — qualification and validation documentation requirements
- CDSCO Schedule M compliance — Indian GMP facility requirements
- WHO TRS 961 GMP guidelines — for WHO pre-qualification manufacturers
- ISPE Baseline Guide structure for facility design documentation
- Change control documentation — engineering change control for validated systems
ISO 14644 vs EU GMP Grade — Classification Crosswalk
The ISO 14644 classification system and the EU GMP Grade system use different terminology for the same contamination control zones. This crosswalk is the foundation of correct pharmaceutical clean room design — using the wrong classification for a manufacturing zone is a critical regulatory error.
| EU GMP Grade | ISO 14644-1 Class (At Rest) | Max Particles ≥0.5μm per m³ (At Rest) | Max Particles ≥0.5μm per m³ (In Operation) | Typical Pharmaceutical Operations |
|---|---|---|---|---|
| Grade A | ISO Class 5 | 3,520 | 3,520 | Aseptic filling, stopper bowl, open ampoule filling, critical sterile operations |
| Grade B | ISO Class 5 (at rest) / ISO 7 (in operation) | 3,520 | 352,000 | Background environment for Grade A aseptic filling zones |
| Grade C | ISO Class 7 | 352,000 | 3,520,000 | Preparation of solutions to be sterile filtered. Filling of non-sterile products. Secondary packaging of sterile products. |
| Grade D | ISO Class 8 | 3,520,000 | Not defined | Granulation, tablet compression, tablet coating, non-sterile bulk manufacturing |
Note: EU GMP Annex 1 (2022 revision) also introduces limits for viable (microbial) contamination in addition to non-viable particle counts. KVRM designs to both non-viable particle limits (ISO 14644-1) and viable contamination limits (EU GMP Annex 1) as an integrated contamination control strategy.
HVAC Validation — IQ / OQ / PQ / PV Lifecycle
Pharmaceutical HVAC validation follows a structured qualification lifecycle. KVRM provides engineering support at every stage — from the design qualification documentation that defines what is being built, through to performance verification that confirms it works as designed.
What the HVAC system must achieve — temperature, humidity, air changes, pressures, microbiological limits. The regulatory benchmark.
Confirms the engineering design meets the URS. KVRM provides the DQ design documentation package — equipment data sheets, calculations, specifications, and P&IDs.
Installed system matches the approved DQ design. KVRM verifies equipment model numbers, installation dimensions, utility connections, and documentation completeness.
HVAC system operates within defined parameters — air volumes, filter integrity, differential pressures, temperature and humidity within setpoints. Alarm and interlock testing.
System maintains GMP conditions consistently under normal operating conditions — thermal mapping, viable and non-viable particle monitoring, and smoke studies to confirm airflow patterns.
Codes, Standards & Tools We Work To
Every pharmaceutical engineering deliverable designed and documented to the applicable regulatory and technical standard — built to survive inspection.
- ISO 14644-1 / 14644-3 — Clean Room Classification & Testing
- EU GMP Annex 1 (2022) — Manufacture of Sterile Medicinal Products
- EU GMP Annex 15 — Qualification and Validation
- FDA 21 CFR Part 210/211 — cGMP for Finished Pharmaceuticals
- FDA 21 CFR Part 11 — Electronic Records & Signatures
- CDSCO Schedule M — Indian GMP Requirements
- WHO TRS 961 — GMP for Pharmaceutical Products
- GAMP 5 — Good Automated Manufacturing Practice
- ASME BPE — Bioprocessing Equipment Standard
- USP <1231> / EP 7.0 — Water for Pharmaceutical Purposes
- ISPE Baseline Guides — Pharmaceutical Engineering Standards
- REVIT MEP — BIM & Multi-discipline Coordination
- ETAP — Electrical Power System Studies
- HAP — HVAC Load Calculations
- AutoCAD — Clean Room Layout & Piping Design
- Caesar II — Process Piping Stress (utility piping)
- PIPENET / AFT Fathom — Utility Hydraulic Analysis
- NBC 2016 — National Building Code India
- NFPA 13 / NBC — Fire Protection Systems
- ISO 8573 — Compressed Air Quality Classes
- Primavera P6 — PMC & Validation Schedule Management
Serving pharmaceutical and biotech projects across India:
Explore Our Engineering Services
ISO 14644 clean room design, HVAC validation (IQ/OQ/PQ), ASME BPE process piping, or FDA/EU GMP compliance documentation — our team in New Delhi and Navi Mumbai responds within 24 hours.