Computer Codes

ARCON ATLAS CAFTA CONTAIN CONTEMPT EPANET EPRI NAVIGATOR

GOTHIC HEATING M3CPT MAAP MELCOR ORACLE PCTRAN

PCTRAX PEPSE PIPE-FLO RADTRAD RELAP5 RETRAN RISKMAN

SAPHIRE SHEX TRAC VISUAL BASIC

Thermal Hydraulic Analysis

• Accident and transient analyses for best estimate, operational and licensing applications.
• Plant/System/Component design and performance analyses.
• Simulator qualification and evaluation.
• Extensive RETRAN, RELAP5, GOTHIC, CONTEMPT, CONTAIN, TRAC and SHEX experience.
• Broad experience with HEATING, MAAP and MELCOR.

Design Basis, Licensing & Safety Analysis

• Licensing submittal support.
• Design basis evaluations.
• 50.59 Safety evaluations.
• License amendments and safety analyses.
• Equipment qualification component list.
• NSSS transients and accidents.
• Containment design/performance.
• Generic letter responses.
• FSAR and Tech Spec updates.

Systems Engineering

• Effect of degraded performance.
• Determination of performance margins.
• System design basis requirements.
• System operating and surveillance procedures.
• Inter-system interactions.
• Development of system models.
• System modifications.

Probabilistic Risk Analysis (PRA, QRA)

• PRA analysis (Level 1 and 2).
• PRA applications support.
• Failure mode and effects analyses.
• Root cause evaluation.

Reliability, Availability & PRA

• On Line Maintenance.
• Outage Risk Management (e.g., ORAM).
• System and component availability studies.
• System and component reliability studies.

Operations Support

• Equipment operability determinations.
• Operator/STA training.
• Emergency operating procedures.
• Root cause failure analysis.
• Abnormal operating condition evaluation.
• Abnormal event evaluation.
• Post-trip review.
• Simulator qualification and evaluation.
• Human performance evaluation.

Fire Protection Engineering

• Appendix R Safe Shutdown Analysis.
• Fire Hazards Analysis.
• Code Compliance.
• Triennial Inspection Support.
• GL 86-10 Evaluation (i.e., fire barriers, penetration seals).
• Fire Barrier Evaluation.

Nuclear Fuel Analysis

• Reload support.
• Fuel design and performance.
• Hot channel analysis.
• Performance of core components.
• Mixed vendor fuel support.

Instrumentation & Control

• Safety Parameter Display System (SPDS).
• Control system design/modification.
• Control system analysis/diagnosis.
• Instrument setpoints.
• Instrument design requirements.
• Performance analysis of instrumentation.
• RG 1.97 Post accident monitoring.
• Human factors engineering.

Thermodynamic Efficiency Modeling

• Plant modeling (PEPSE).

Severe Accident & Radiological Analysis

• Emergency drill scenario development.
• Assistance in development of "Emergency Action Levels."
• Severe Accident Management Guidelines and Procedure support.
• Control room habitability and offsite dose analysis.

Heat Transfer & Fluid Flow

• Determination of EQ environment.
• Dry shielded canister heat transfer.
• Plant component thermal evaluation.
• Thermal response of plant structures.
• Single and two-phase flow pressure drop evaluations.
• Water hammer analyses.