Stewart & Lamont Consultants

Partners: Eur Ing I D Lamb C Eng. MIEE MCIM, M M Lamb


Consultant Four

Key Qualifications

10 years experience in the control and production of safety case documentation for nuclear safety related structures and associated plant in accordance with the all civil and MOD requirements.

15 years experience in the design/structural integrity assessment of a wide range of mechanical plant and structures conditions subject to extreme loading conditions using classical and computer based methods.

In depth knowledge of nuclear conventional/pressure vessel design codes such as ASME III, ASME VIII, BS5500 and structural integrity assessment methods such as R6, PD 6493.


Education:


Chronlogical History

1988 - BRITISH AEROSPACE
  PRINCIPAL CONSULTANT - NAVAL BASE SUPPORT AND SAFETY GROUP
  Principal Nuclear Safety Engineer in the Naval Base support and safety Group with the following duties and responsibilities:
  - Project Manager/Technical Authority for the production of DSR's to support NSSJ HMNB Clyde in accordance with BR3018
  - Project Manager for various Nuclear Safety Tasks
  - Technical Authority on mechanical/structural integrity engineering matters
  - Technical Authority on nuclear safety aspects
   
  SKILLS EMPLOYED
  - Good working knowledge of Civil and MOD Naval Nuclear Safety Assessment Principles (N11 SAPs and SPSCs) and NBAWG requirements.
  - Hazard identification and analysis techniques including HAZOP, SWIFT, FMECA and Fault Tree and Event Tree Analyses methods.
  - Responsible for ensuring that the safety related M&E equipment employed at CSB Faslane fully comply with the requiring of the base nuclear safety case.
   
  Key systems and equipment addresses are:
  - Nuclear safety related shore based supplies to berthed nuclear submarines
  - 60Hz and DC electrical supplies including HV/LV switchgear, transformers, rectifiers, batter chargers, cable handling chains, booms etc.
  - Essential cooling water supplies to submarine raised on the Shiplift including pumps, pipework, valves, hose reels, service booms, etc.
   
  GENERAL MECHANICAL ENGINEERING/STRUCTURAL INTEGRITY ASSESSMENT
  - Six month secondment to Shell Expro, Aberdeen, during which I provided specialist mechanical engineering expertise and advice to Shell Expro's Central Field Business unit, primarily on the static pressure plant, or their various offshore facilities. This involved plant incident plant/failure investigations and fitness for purpose assessments following adverse in service or out of service inspection reports.
  - Thermal fatigue assessment of a regenerative molecular sieve vessel operating at 150 bar.g and 280oC following the discovery of a crack like defect at the root of the thermal sleeve in the inlet nozzle. Supervision of a 3D axisymmetric finite thermal transient and stress analysis of the critical area of molecular sieve vessel inlet nozzle followed by a remnant life assessment using conventional S-N and a fracture mechanics based fatigue assessment using appropriate fatigue crack growth correlations and maximum tolerable defects determined using PD6493.
  - Preparation of a case for continued operation to the certifying authorities together with recommendations for future in service inspection requirements.
  - Structural integrity assessment of DISPS RGV submersible frame for BP Exploration under design and faulted environmental loading conditions.
  - Self weight buckling analysis of riser from first principles for Mobil.
  - Independent review of Westinghouse Energy Systems Stress Report on the Reactor Coolant Loop and Primary Equipment Support of Sizewell B PWR on behalf of the NTI.
  - Independent review of NNC damage assessment of superheater penetration reinforcing nozzle PV liner weld during high temperature excursion using ASME III and BS 5500 data.
  - Independent review of critical boiler and reactor components structural integrity assessment performed by Scottish Nuclear in support of Natural Circulation Safety Case for Hunterston 'B' Power Station.
  - Technical awareness of many fields of engineering
  - Team working and motivation of staff of a wide range of disciplines.
  - Ability to plan to meet demanding timescales and work under pressure.
  - Ability to communicate effectively with staff at all levels
   
  ACHIEVEMENTS
  - Seconded to MOD as Safety Case Development and Integration Manager (SCDIM) for AFD 60, involving preparation and management of a HAZOP on a floating dock facility for undertaking essential maintenance on nuclear submarines at CSB Faslane.
  - Development of a strategy for the production of suitable safety case documentation for submission to MOD Nuclear Safety Advisors (SRD) to allow continued operation of floating dock beyond on the facility's design life.
  - Preparation of a tender for the design and safety case substantiation of dock gates for an emergency docking for Vanguard Nuclear Submarine.
   
  Mechanical and Process Engineering Group (MPEG) responsible for the production of safety case reports primarily using deterministic methods in support of the Design Site Safety Case (DSSC) for CSB Faslane and provision of authoritative expertise and advice on structural integrity within the Glasgow Office of the Engineering Division of BAeSEMA
  - Responsible for the seismic qualification of CSB Faslane 1-4 Electrical Equipment by a combination of analysis and equivalence arguments.
  - Liaising with the nuclear safety authorities to establish safety related M&E equipment design and waste hazard withstand requirements.
  - Assessing safety related M&E equipment performance against safety case requirements i.e. extreme hazard 1:10,000 year return period withstand substantiation (earthquake, extreme temperature, wind, wave and tide).
  - Reviewing and approving I&TPs for seismic shake table testing of M&E equipment.
  - Liaising with design team, site team and testing/commissioning team to ensure all safety case requirements are met.
  - Liaising with Civil Engineers and Architects on safety case issues.
  - Responsible for the technical supervision of external consultants engaged in the seismic qualification of a novel electrical/mechanical services boom employed on the Shiplift at CSB Faslane, involving a non-linear analysis using ANSYS.
  - Independent review of Sizewell 'B' IOF Component ASME III Stress Reports on behalf of NII.
  - World review of current and new PWR Reactor Pressure Vessel Designs on behalf of DTI to identify RPB Design features of systems currently under consideration by UK utilities which would influence their licensibility in the UK.
  - Project leader for two nuclear research studies carried out on behalf of the HSE "Inherent Seismic Robustness of H&E Plant", Development of Walkdown Methods of Seismic Qualification of M&E Equipment".
  - Hazard Analysis of Primary Selector Valves in Burst Cartridge Detection System utilising FMECA and FTA techniques leading to the development of Incredibility of Failure (IOF) safety case arguments for Wyefa nuclear power station.
   
1980 - 1988 JAMES HOWDEN AND COMPANY LIMITED, GLASGOW
  Mechanical Design Engineer - Nuclear Division
   
1978 - 1980 WEIR WESTGARTH LIMITED, GLASGOW
  Research Mechanical Engineer - R&D Department
   
1976 - 1978 BRITISH AEROSPACE - WARTON
  Junior Aerodynamicist - Aerodynamics Department

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