Westinghouse AP1000® Reactor GDA Issues and Resolution Plans

GDA Issue	GDA Issue Ref.	Resolution Plan
Internal Hazards
Internal Fire Safety Case Substantiation	GI-AP1000-IH-01 GDA Issue	GI-AP1000-IH-01 Resolution Plan
Internal Flooding Safety Case	GI-AP1000-IH-02 GDA Issue	GI-AP1000-IH-02 Resolution Plan
Pressure Part Failure	GI-AP1000-IH-03 GDA Issue	GI-AP1000-IH-03 Resolution Plan
Internal Explosion Safety Case Substantiation	GI-AP1000-IH-04 GDA Issue	GI-AP1000-IH-04 Resolution Plan
Internal Missile Safety Case	GI-AP1000-IH-05 GDA Issue	GI-AP1000-IH-05 Resolution Plan
Substantiation and Analysis of the Consequences of Dropped Loads and Impact from Lifting Equipment Included Within the AP1000 Design	GI-AP1000-IH-06 GDA Issue	GI-AP1000-IH-06 Resolution Plan
Civil Engineering
Justification of Novel Form of Structure for the Steel/ Concrete Composite Walls and Floors Known as CA Modules	GI-AP1000-CE-01 GDA Issue	GI-AP1000-CE-01 Resolution Plan
Further Justification of Novel Form of Structure for Steel / Concrete Composite Wall to the Enhanced Shield Building	GI-AP1000-CE-02 GDA Issue	GI-AP1000-CE-02 Resolution Plan
AP1000 Material Standards and Material Specifications	GI-AP1000-CE-03 GDA Issue	GI-AP1000-CE-03 Resolution Plan
Fuel Handling Area – Secondary Containment Leak Detection and Collection System	GI-AP1000-CE-04 GDA Issue	GI-AP1000-CE-04 Resolution Plan
Probabilistic Safety Analysis (PSA)
Success Criteria for the PSA	GI-AP1000-PSA-01 GDA Issue	GI-AP1000-PSA-01 Resolution Plan
Fire PSA	GI-AP1000-PSA-02 GDA Issue	GI-AP1000-PSA-02 Resolution Plan
Fault Studies
Spent Fuel Pool Safety Case	GI-AP1000-FS-01 GDA Issue	GI-AP1000-FS-01 Resolution Plan
Design Reference Point and Adequacy of Design Basis Analysis	GI-AP1000-FS-02 GDA Issue	GI-AP1000-FS-02 Resolution Plan
Diversity for Frequent Faults	GI-AP1000-FS-03 GDA Issue	GI-AP1000-FS-03 Resolution Plan
Use of In-core Detectors to Protect Against Adverse Power Distributions	GI-AP1000-FS-04 GDA Issue	GI-AP1000-FS-04 Resolution Plan
Potential Enhancements to the Diverse Safety Injection System	GI-AP1000-FS-05 GDA Issue	GI-AP1000-FS-05 Resolution Plan
Validation of the IRWST Cooling Function for the PRHR	GI-AP1000-FS-06 GDA Issue	GI-AP1000-FS-06 Resolution Plan
Safety Case for Shutdown Faults	GI-AP1000-FS-07 GDA Issue	GI-AP1000-FS-07 Resolution Plan
Fault Schedule for AP1000	GI-AP1000-FS-08 GDA Issue	GI-AP1000-FS-08 Resolution Plan
Control & Instrumentation
Adequacy of Safety Case for DAS	GI-AP1000-CI-01 GDA Issue	GI-AP1000-CI-01 Resolution Plan
DAS – Adequacy of Architecture	GI-AP1000-CI-02 GDA Issue	GI-AP1000-CI-02 Resolution Plan
Diversity Between the PMS (CIM) and DAS	GI-AP1000-CI-03 GDA Issue	GI-AP1000-CI-03 Resolution Plan
PMS Spurious Operation	GI-AP1000-CI-04 GDA Issue	GI-AP1000-CI-04 Resolution Plan
SMART Device Justification for Use	GI-AP1000-CI-05 GDA Issue	GI-AP1000-CI-05 Resolution Plan
Ovation Platform - Adequacy of Safety Case	GI-AP1000-CI-06 GDA Issue	GI-AP1000-CI-06 Resolution Plan
DCIS - Adequacy of Safety Case	GI-AP1000-CI-07 GDA Issue	GI-AP1000-CI-07 Resolution Plan
PMS - Adequacy of Safety Case	GI-AP1000-CI-08 GDA Issue	GI-AP1000-CI-08 Resolution Plan
CIM - Adequacy of Safety Case	GI-AP1000-CI-09 GDA Issue	GI-AP1000-CI-09 Resolution Plan
Class 1 Displays and Controls	GI-AP1000-CI-010 GDA Issue	GI-AP1000-CI-010 Resolution Plan
Essential Electrical Systems
PCSR Presentation of Claims Arguments and Evidence	GI-AP1000-EE-01 GDA Issue	GI-AP1000-EE-01 Resolution Plan
Fuel Design
Fuel Pin Modelling Safety Justification	GI-AP1000-FD-01 GDA Issue	GI-AP1000-FD-01 Resolution Plan
Tolerability of Depressurisation Forces in LBLOCA	GI-AP1000-FD-02 GDA Issue	GI-AP1000-FD-02 Resolution Plan
Use of the BEACON Code for On-line Compliance	GI-AP1000-FD-03 GDA Issue	GI-AP1000-FD-03 Resolution Plan
Reactor Chemistry
Accident Source Terms	GI-AP1000-RC-01 GDA Issue	GI-AP1000-RC-01 Resolution Plan
Primary Sampling System	GI-AP1000-RC-02 GDA Issue	GI-AP1000-RC-02 Resolution Plan
Hydrogen Dosing System	GI-AP1000-RC-03 GDA Issue	GI-AP1000-RC-03 Resolution Plan
Radiation Protection
Spent Fuel Pool – Criticality Safety Case	GI-AP1000-RP-01 GDA Issue	GI-AP1000-RP-01 Resolution Plan
Mechanical Engineering
Squib Valve Concept and Design Substantiation	GI-AP1000-ME-01 GDA Issue	GI-AP1000-ME-01 Resolution Plan
Metrication of Mechanical Equipment and Civil Structural Steelwork Connections	GI-AP1000-ME-02 GDA Issue	GI-AP1000-ME-02 Resolution Plan
Mechanical System Pipework Design	GI-AP1000-ME-03 GDA Issue	GI-AP1000-ME-03 Resolution Plan
Structural Integrity
Avoidance of Fracture	GI-AP1000-SI-01 GDA Issue	GI-AP1000-SI-01 Resolution Plan
Fatigue Analysis	GI-AP1000-SI-02 GDA Issue	GI-AP1000-SI-02 Resolution Plan
Reactor Coolant Pump	GI-AP1000-SI-03 GDA Issue	GI-AP1000-SI-03 Resolution Plan
Containment Vessel	GI-AP1000-SI-04 GDA Issue	GI-AP1000-SI-04 Resolution Plan
Compliance of AP1000 Main Structural Components with ASME III Design Rules	GI-AP1000-SI-05 GDA Issue	GI-AP1000-SI-05 Resolution Plan
Categorisation and Classification	GI-AP1000-SI-06 GDA Issue	GI-AP1000-SI-06 Resolution Plan
Human Factors
Completeness of the HF Safety Case	GI-AP1000-HF-01 GDA Issue	GI-AP1000-HF-01 Resolution Plan
Cross-Cutting
Limits and Conditions	GI-AP1000-CC-01 GDA Issue	GI-AP1000-CC-01 Resolution Plan
PCSR to Support GDA	GI-AP1000-CC-02 GDA Issue	GI-AP1000-CC-02 Resolution Plan
Consider and Action Plans to Address the Lessons Learnt from the Fukushima Event	GI-AP1000-CC-03 GDA Issue	GI-AP1000-CC-03 Resolution Plan