OUR SERVICES
Expert Witness Testing & Independent Vertical Transportation Audits in India
Independent Technical Expertise for Elevators, Escalators & Moving Walks
Dunbar & Boardman India (D&B India) provides independent expert witness testing, technical audits, and forensic evaluation services for vertical transportation systems across India. Our services support developers, asset owners, PMCs, lenders, legal advisors, and public authorities where objective, standards‑based technical opinion is required.
With decades of specialist experience in elevators, escalators, and moving walkways, D&B India delivers fact‑based, impartial technical assessments aligned with Indian and international standards, suitable for dispute resolution, arbitration support, and risk mitigation.
Our Expert Witness & Independent Testing Services
1. Expert Witness Testing (Technical)
We undertake independent testing and performance verification of vertical transportation systems, including:- Lift speed, ride quality, levelling accuracy, and door performance
- Escalator and moving walk duty cycle, availability, and operational reliability
- Compliance testing against approved specifications, BOQs, and codes
- Performance shortfall and non‑conformance identification
2. Independent Technical Audits & Forensic Reviews
Our forensic audit services are designed to identify root causes of technical failure, delays, or disputes, including:- Installation quality and workmanship audits
- Commissioning and testing verification
- Design vs installation mismatch analysis
- Failure analysis and root‑cause evaluation
- Maintenance vs installation responsibility differentiation
3. Arbitration, Dispute & Claim Support (Technical)
We support legal and commercial teams with clear, structured technical reports suitable for arbitration and expert proceedings:- Independent expert reports
- Technical substantiation of claims or counter‑claims
- Review of OEM submissions, variation claims, and test data
- Standards‑based technical opinion for arbitration panels
4. Lender, Investor & Employer Technical Assurance
For lenders, investors, and asset owners, D&B India provides:- Pre-handover technical assurance
- Readiness‑to‑operate assessments
- Performance and availability benchmarking
- Risk identification for large or distressed assets
Systems Covered
- Passenger lifts and service lifts
- High-speed and high-rise elevators
- Escalators and moving walkways
- Airport, metro, and transit systems
- Modernisation and upgrade projects
Applicable Standards & Codes
Our assessments are aligned with:- IS Codes & National Building Code (NBC – India)
- EN 81 series
- Project-specific specifications and authority requirements
Nationwide Coverage Across India
D&B India delivers expert witness and independent testing services across Tier 1, Tier 2, and Tier 3 cities, including but not limited to: Tier 1: Mumbai, Delhi NCR, Bengaluru, Chennai, Hyderabad, Kolkata, Pune Tier 2: Ahmedabad, Surat, Jaipur, Chandigarh, Kochi, Trivandrum, Coimbatore, Indore, Bhopal, Nagpur, Lucknow, Kanpur, Noida, Gurugram Tier 3 & Emerging Cities: Vizag, Vijayawada, Trichy, Madurai, Salem, Trivandrum, Thrissur, Calicut, Udaipur, Jodhpur, Ranchi, Patna, Bhubaneswar, Raipur Our teams are supported by regional delivery hubs and senior technical specialists, enabling rapid mobilisation anywhere in India.Why Choose Dunbar & Boardman India
- Independent, OEM-neutral consultancy, free from sales, installation, or maintenance conflicts
- Over four decades of global legacy as a specialist vertical transportation consultancy
- Established presence across India, supported by regional delivery teams and senior technical leadership
- Decades of hands-on execution, testing, and commissioning experience across airports, metros, high-rise, and mixed-use developments
- Deep understanding of OEM systems, site realities, and failure mechanisms, gained from direct OEM and PMC-side experience
- Clear, defensible, and standards-based technical reporting, aligned with IS, NBC, EN 81, and ASME codes
- Trusted by developers, PMCs, lenders, and international stakeholders for independent audits, dispute support, and high-risk projects
Typical Use Cases
- OEM performance disputes
- Arbitration and expert proceedings
- Airport and metro project reviews
- Post‑handover performance issues
- Modernisation failures
- Lender or investor technical due diligence
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