Quality Assurance and Certifications
Committed to Excellence Through International Standards
At TMT Group, quality is not just a goal—it’s the foundation of everything we do. Our comprehensive quality management systems, international certifications, and rigorous quality control procedures ensure that every project we undertake meets or exceeds client expectations and industry standards. With certifications from leading classification societies and adherence to ISO standards, TMT Group delivers marine and offshore engineering solutions you can trust.
ISO Quality Management System
ISO 9001:2015 Quality Management System
TMT Group maintains ISO 9001 certification, demonstrating our commitment to quality management excellence
Scope of Certification
- Our ISO 9001 certification covers all aspects of our marine and offshore engineering services:
- Structural fabrication and installation
- Piping systems fabrication, installation, and testing
- Electrical and instrumentation works
- Hydraulic and pneumatic systems
- Boiler installation, maintenance, and repair
- Project management and execution
- Training and workforce development through TMSTI
Scope of Certification
- Our ISO 9001 certification covers all aspects of our marine and offshore engineering services:
- Structural fabrication and installation
- Piping systems fabrication, installation, and testing
- Electrical and instrumentation works
- Hydraulic and pneumatic systems
- Boiler installation, maintenance, and repair
- Project management and execution
- Training and workforce development through TMSTI
Quality Management Principles
Customer Focus
- Understanding and meeting customer requirements
- Exceeding customer expectations
- Measuring customer satisfaction
- Continuous improvement based on feedback
- Building long-term customer relationships
Leadership
- Management commitment to quality
- Quality policy communicated throughout organization
- Quality objectives aligned with business strategy
- Resource allocation for quality initiatives
- Management review of quality performance
Engagement of People
- Competent, empowered workforce
- Quality awareness and training
- Employee involvement in improvement
- Recognition and rewards for quality performance
- Clear roles and responsibilities
Process Approach
- Systematic process definition and control
- Process interaction understanding
- Input-output optimization
- Process performance monitoring
- Continuous process improvement
Improvement
- Corrective and preventive action systems
- Root cause analysis methodology
- Lessons learned implementation
- Innovation and efficiency improvements
- Benchmarking against best practices
Evidence-Based Decision Making
- Data collection and analysis
- Performance metrics and KPIs
- Quality records and documentation
- Statistical process control
- Informed strategic decisions
Relationship Management
- Supplier quality management
- Subcontractor evaluation and control
- Client communication and feedback
- Classification society coordination
- Stakeholder engagement
Quality Management System Elements
Document Control
- Controlled distribution of procedures and work instructions
- Document revision and version control
- Obsolete document removal
- Electronic document management systems
- Access control and security
Records Management
- Comprehensive quality records retention
- Material certificates and traceability
- Test and inspection reports
- Non-conformance records
- Training and qualification records
- Project closeout documentation
Internal Audits
- Scheduled internal quality audits
- Independent audit teams
- Audit findings and corrective actions
- Verification of corrective action effectiveness
- Continuous improvement identification
Management Review
- Regular management review meetings
- Quality performance analysis
- Customer feedback review
- Process performance evaluation
- Resource needs assessment
- Improvement opportunities identification
Classification Society Certifications
TMT Group holds approvals and certifications from major classification societies worldwide
Lloyd's Register (LR)
Approvals and Certifications
- Manufacturer approval for structural steel fabrication
- Welding procedure specifications (WPS) approval
- Welder and welding operator approvals
- Service supplier approval for repairs and conversions
- Material and equipment supply approvals
Scope of Lloyd's Register Approval
- Hull structure fabrication and installation
- Pipe spools fabrication
- Welding services (carbon steel, stainless steel, alloys)
- Non-destructive testing services
- Repair and maintenance services
DNV (Det Norske Veritas)
Certification Portfolio
- Type approval manufacturer status
- Welding consumables approval
- Service supplier certification
- Material supplier approval
- Testing and inspection body approval
DNV Approved Services
- Offshore structure fabrication
- Pressure vessel and piping fabrication
- Welding and NDT services
- Commissioning and testing services
- Maintenance and repair works
American Bureau of Shipping (ABS)
ABS Approvals
- Approved service facility status
- Welding procedure approvals
- Welder qualification certifications
- Material manufacturer approval
- Product design assessment approval
Capabilities Under ABS Approval
- New construction services
- Repair facility services
- Materials supply and testing
- Equipment installation
- System commissioning
Bureau Veritas (BV)
Bureau Veritas Certifications
- Approved manufacturer status
- Welding procedure approvals
- Service supplier approval
- Material and component supply approval
Other Classification Society Approvals
Additional Certifications From
- China Classification Society (CCS)
- Korean Register of Shipping (KR)
- Nippon Kaiji Kyokai (ClassNK / NK)
- RINA (Registro Italiano Navale)
- Indian Register of Shipping (IRS)
- Russian Maritime Register of Shipping (RS)
Welding Quality Assurance
Welding is critical to marine and offshore construction. TMT Group maintains comprehensive welding quality systems
Welding Procedure Specifications (WPS)
Comprehensive WPS Portfolio
- Procedures for all common base materials
- Carbon steel welding procedures
- Stainless steel (304, 316, duplex, super duplex)
- Aluminum and aluminum alloys
- Copper-nickel alloys
- High-strength and low-temperature steels
- Dissimilar metal welding procedures
Welding Process Coverage
- SMAW (Shielded Metal Arc Welding)
- GMAW (Gas Metal Arc Welding)
- GTAW (Gas Tungsten Arc Welding)
- FCAW (Flux-Cored Arc Welding)
- SAW (Submerged Arc Welding)
- Orbital welding for piping
Qualification Standards
- ASME Section IX
- AWS D1.1 (Structural Welding Code)
- ISO 15614 series
- Classification society specific requirements
- Client project specifications
Welder Qualifications
Comprehensive Welder Qualification Program
- Initial qualification testing per ASME IX and AWS
- Classification society welder approvals
- Position qualifications (flat, horizontal, vertical, overhead, pipe)
- Material and thickness range qualifications
- Process-specific qualifications
- Regular requalification and renewal
- Qualification record maintenance and tracking
TMSTI Welder Training Pipeline
- Structured training programs
- Supervised practice and skill development
- Pre-qualification preparation
- Qualification test support
- Continuous skill enhancement
- Career pathway development
Welding Quality Control
Pre-Weld Inspection
- Base material verification and traceability
- Welding consumable verification
- Joint preparation and fit-up inspection
- Preheat requirements verification
- Equipment calibration verification
- Environmental conditions check
During Welding Inspection
- Welder identification verification
- Welding procedure adherence
- Parameter monitoring and recording
- Interpass temperature control
- Visual inspection of each pass
- Penetrant testing between passes (where required)
Post-Weld Inspection
- Visual inspection per acceptance criteria
- Dimensional verification
- Non-destructive testing (NDT)
- Hardness testing (where required)
- Pressure testing of piping and pressure vessels
- Documentation and traceability
Non-Destructive Testing (NDT)
TMT Group employs comprehensive NDT methods ensuring structural integrity
NDT Methods and Capabilities
Visual Testing (VT)
- Certified visual weld inspectors
- Surface defect detection
- Dimensional verification
- Acceptance per AWS D1.1, ASME standards
- Documentation with photographs
Magnetic Particle Testing (MT)
- Surface and near-surface defect detection
- Ferromagnetic materials inspection
- Wet and dry methods
- UV and visible dye techniques
- ASME Section V procedures
Dye Penetrant Testing (PT)
- Surface-breaking defect detection
- Non-ferromagnetic materials inspection
- Color contrast and fluorescent methods
- Suitable for all material types
- ASME Section V compliance
Ultrasonic Testing (UT)
- Internal defect detection
- Thickness measurement
- Weld joint examination
- Straight beam and angle beam techniques
- Phased array ultrasonic testing (PAUT) capability
Radiographic Testing (RT)
- Internal weld quality verification
- Film radiography
- Digital radiography (where available)
- Interpretation by certified radiographers
- ASME Section V procedures
NDT Personnel Qualifications
Certification Standards
- ISO 9712 / EN ISO 9712 certifications
- ASNT SNT-TC-1A Level II and III
- PCN (Personnel Certification in Non-Destructive Testing) schemes
- Client-specific qualification requirements
- Regular recertification and renewal
Material Quality Assurance
Quality begins with quality materials
Material Procurement
Approved Material Suppliers
- Certified steel mills and suppliers
- Traceable material sourcing
- Material certificates verification (3.1, 3.2 per EN 10204)
- Chemical and mechanical properties verification
- Dimensional tolerance verification
Material Specifications
- ASTM standards
- EN European standards
- JIS Japanese standards
- DIN German standards
- Classification society approved materials
Material Traceability
Comprehensive Traceability System
- Heat number tracking from mill to installation
- Unique identification marking on all materials
- Digital tracking systems
- Material certificate filing and retention
- Cross-reference to welding procedures and qualifications
- Final installation location documentation
Material Testing
In-House and Third-Party Testing
- Chemical composition verification
- Mechanical property testing (tensile, impact, hardness)
- Corrosion testing where required
- Dimensional verification
- Surface quality inspection
- Non-conforming material segregation and control
Quality Control Procedures
Inspection and Test Plans (ITP)
Project-Specific ITPs
- Hold points for client or classification society witness
- Witness points for notification
- Monitoring points for TMT internal inspection
- Test and inspection methods specified
- Acceptance criteria defined
- Documentation requirements identified
Quality Control Points
Structural Fabrication QC
- Material receiving inspection
- Cutting and beveling verification
- Fit-up and alignment inspection
- Weld quality inspection
- Dimensional surveys
- Surface preparation and coating inspection
- Final assembly verification
Piping Systems QC
- Material verification and marking
- Spool fabrication inspection
- Installation alignment checks
- Welding inspection and NDT
- Hydrostatic or pneumatic pressure testing
- System cleanliness verification
- Final documentation and handover
Electrical Systems QC
- Cable and component receiving inspection
- Installation workmanship inspection
- Termination quality verification
- Insulation resistance testing
- Continuity and polarity testing
- Functional testing
- Loop testing and commissioning verification
Continuous Improvement
Quality Performance Metrics
Key Performance Indicators (KPIs)
- Defect rates and trends
- Rework percentages
- First-time quality rates
- Customer satisfaction scores
- On-time delivery performance
- Safety incident rates
- Training compliance rates
- Audit findings and closure rates
Corrective and Preventive Actions (CAPA)
Structured CAPA Process
- Non-conformance identification and documentation
- Root cause analysis (5 Whys, Fishbone diagrams)
- Corrective action development and implementation
- Effectiveness verification
- Preventive action to avoid recurrence
- Lessons learned distribution
- CAPA database maintenance and trending
Lessons Learned
Knowledge Management
- Project debriefs and lessons learned sessions
- Best practice identification and sharing
- Procedure updates based on experience
- Training curriculum improvements
- Technology and methodology adoption
- Inter-project knowledge transfer
Client Quality Assurance
Quality Documentation Delivery
Comprehensive Quality Dossiers
- Material certificates
- Welding procedure specifications
- Welder qualification records
- Non-destructive testing reports
- Dimensional survey reports
- Pressure test certificates
- As-built drawings
- Operation and maintenance manuals
Quality Audits and Inspections
Client and Third-Party Audits
- Open access for client audits
- Facilitation of classification society inspections
- Third-party verification support
- Audit findings response and closure
- Continuous improvement from audit feedback
Quality Meetings and Reporting
Regular Quality Communication
- Quality kick-off meetings
- Periodic quality progress reviews
- NCR review meetings
- Pre-delivery quality audits
- Post-delivery follow-up
Lessons Learned
Knowledge Management
- Project debriefs and lessons learned sessions
- Best practice identification and sharing
- Procedure updates based on experience
- Training curriculum improvements
- Technology and methodology adoption
- Inter-project knowledge transfer
Why TMT Group's Quality Systems Matter
- Consistency :
- Compliance :
- Traceability :
- Continuous Improvement :
- Client Confidence :
- Workforce Excellence :
- Global Recognition :
- Long-Term Value :
- Standardized processes deliver predictable, high-quality outcomes
- Certifications ensure regulatory and client requirement satisfaction
- Complete material and process documentation provides accountability
- Systematic approach to learning and advancing
- Proven quality systems reduce risk and uncertainty
- TMSTI training ensures skilled, quality-conscious
- International certifications enable worldwide project execution
- Quality work reduces lifecycle costs and extends asset life
Contact Us About Quality
For information about our quality management systems, certifications, or project-specific quality requirements, contact TMT Group
- TMT Group Quality Department :
- Tel :
- Whatsapp :
- Email :
- Website :
- Email address:
- +65 6252 1461
- +65 8786 5630
- marketing@tmtquickservice.com
- www.tmtquickservice.com | www.tmtgroup.net
- hello@tmtgroup.net