ENGINEERING STANDARDS

Our engineering practices are grounded in industry-recognized standards, ensuring consistency, safety, and regulatory compliance across every project we deliver. We work in alignment with leading international codes and specifications covering design, analysis, manufacturing, testing, and documentation.

Below is a selection of the key standards and guidelines we regularly apply:

STRUCTURAL INTEGRITY AND DAMAGE TOLERANCE:

  • BS 7910 – Guide to Methods for Assessing the Acceptability of Flaws in Metallic Structures

  • ASTM E561 – Fracture Toughness and Fatigue Crack Growth Standards

  • FAA AC 25.571 / EASA CS-25 – Damage Tolerance and Fatigue Evaluation for Aircraft Structures

ENGINEERING DRAWINGS AND TOLERANCING:

  • ISO 1101 – Geometrical Product Specifications (GPS) – Geometric tolerancing

  • ISO 2768 – General Tolerances for Linear and Angular Dimensions

  • BS 8888 – Technical product documentation and specification (UK equivalent of ISO standards)

PRESSURE VESSELS AND MECHANICAL COMPONENTS:

  • ASME Section VIII, Division 1 & 2 – Rules for the Construction of Pressure Vessels

  • ASME B16.5 – Pipe Flanges and Flanged Fittings

  • ASME B31.3 – Process Piping Code

CONTAINMENT AND SAFETY DESIGN:

  • HSE Guidance Notes (hse.gov.uk) – Pressure Systems Safety, Containment Shields, and Workplace Hazard Control

  • ISO 14120 – Safety of Machinery – Guards – General Requirements

  • ISO 13849-1 – Safety-Related Parts of Control Systems

ROTORDYNAMICS:

  • API 684 – Rotordynamics Analysis Methodology for High-Speed Machinery

  • API 617 – Centrifugal Compressors for Petroleum, Chemical, and Gas Industry Services

  • ISO 10437 – Requirements for Machinery Vibration and Shaft Alignment in Rotating Equipment

INDUSTRIAL GAS TURBINES:

  • API 616 – Gas Turbines for the Petroleum, Chemical, and Gas Industry Services

  • API 617 – Centrifugal Compressors for Petroleum, Chemical and Gas Industry Services

  • API 618 – Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services

  • API 671 – Special Purpose Couplings for Petroleum, Chemical, and Gas Industry Services

  • API 684 – Rotordynamics Analysis Methodology for High-Speed Machinery

  • ISO 3977 Series – Gas Turbines – Procurement, Design, and Operational Requirements

    • Part 3: Design requirements

    • Part 4: Fuels and environment

    • Part 5: Applications for petroleum and natural gas industries

  • ISO 10494 – Gas Turbines – Measurement of Emissions of Exhaust Gases

  • ISO 21789 – Gas Turbines – Safety

  • ISO 2314 – Gas Turbines – Acceptance Tests

  • ISO 7919 / ISO 10816 – Mechanical Vibration of Rotating Machinery (Monitoring and Evaluation)

AIRCRAFT STRUCTURES AND ENGINES:

  • FAA AC 25.571 – Aircraft Certification: Damage Tolerance and Fatigue Evaluation of Structure

  • EASA CS-25 – Damage Tolerance and Fatigue Evaluation for Aircraft Structures

  • EASA CS-23 – Certification Specifications for Normal, Utility, Aerobatic, and Commuter Aeroplanes

  • EASA CS-E – Certification Specifications for Engines

  • ARP4754A – Guidelines for Development of Civil Aircraft and Systems

  • RTCA/DO-160 – Environmental Conditions and Test Procedures for Airborne Equipment

  • RTCA/DO-254 – Design Assurance Guidance for Airborne Electronic Hardware

  • ARP4761 – Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment

  • RTCA/DO-178 – Software Considerations in Airborne Systems and Equipment Certification

  • ISO 1101 – Geometrical Product Specifications (GPS) – Geometrical Tolerancing

  • ISO 286-1 – ISO System of Limits and Fits – Basis of Tolerances, Deviations, and Fits

  • ISO 286-2 – ISO System of Limits and Fits – Tables of Standard Tolerance Grades and Limit Deviations

  • ECSS-E-ST-10 – Space Engineering – System Engineering General Requirements

  • ECSS-E-ST-32 – Space Engineering – Structural General Requirements

  • ECSS-Q-ST-70-16C – Space Product Assurance – Structural Materials and Processes