Website WTS Energy
May 5, 2023
NUCLEAR MAAP CONSULTANT
Brief scope of work:
1. Provide contracting/consulting services to support Client’s Severe Accident Analysis team to review, test, update, run, and optimize their specific severe accident analysis models using MAAP code.
2. Consultant to use MAAP code version 5.03 in the first phase. Following this, the model should be updated to run in MAAP 5.05.
3. Prepare supporting documentation using client’s templates.
4. Consultant to provide training, coaching, and guidance to SAA team members on best practices for MAAP model development and running. This shall be on an ongoing basis during the course of the project.
*Work and preparation of deliverables shall be done according to client processes and procedures.
Description of Services/Material
Provide contracting/consulting services to support client’s Severe Accident Analysis team to review, test, V&V update, run, and optimize their specific severe accident analysis models using MAAP code. This can be broken down into the following activities and tasks:
Planning & Testing of Existing Model
a. Review and update the existing client MAAP model development plan.
b. Prepare a V&V case for the model.
c. Test the existing MAAP 5.03 model and support troubleshooting to run it effectively.
a. Work with SAA team and identified Engineering contact points, use available client design data, and data access systems, to obtain, calculate, and/or update the appropriate plantspecific parameters, inputs and bases.
b. Replace generic values and settings with site specific ones.
c. Review the parameters prepared by the client SAA team, e.g. MAAP tracker file, and their bases.
d. Review the process and methods used in the MAAP 5 development project and associated documentation.
e. Use and reference design documents, internal calculations and reports, as much as possible, improve accuracy and appropriateness of the inputs
f. Review associated documentation.
g. Provide model corrections and suggestions for improvement. Implement those with support from SAA team.
h. With support from SAA team members, prepare a MAAP model development and analysis/run procedure.
i. Prepare a V&V case for the updated model.
Model & Code migration
a. Update the model from MAAP 5.03 to later version such as MAAP 5.05.
b. Support effective client use of the newer code version.
c. Prepare a V&V case for the migrated model.
a.Identify opportunities and methods for future enhancement to the model, supporting calculations, and to support the path to excellence in client MAAP model and analysis capability.
1 Updated client MAAP model development plan. Testing existing model – Preparation of 1 x V&V report. 2 i. MAAP model update
ii. 5x MAAP model reports
iii. 1x V&V Report
iv. Supporting calculation reports
v. MAAP Model Development & run procedure
3 i. Migration of MAAP code version
ii. 5x MAAP model reports
iii. 1x V&V Report 4 Training, coaching & guiding materials