Chapter 6 Engineered Safety Features

This chapter identifies criteria for the engineered

safety features addressed in Regulatory Guide 1.70 that are com-

monly used to limit the consequences of postulated accidents in

light-water-cooled power reactors.

6.1

6.1.1

Code of Federal Regulations

10 CFR 50.55a, "Codes and Standards."

10 CFR 50, Appendix A, "General Design Criteria for

Nuclear Power Plants."

"Quality Standards and Records."

GDC 1,

"Environmental and Missile Design

GDC

Bases."

"Reactor Coolant Pressure Boundary."

GDC 14,

"Fracture Prevention of Reactor

GDC 31,

Coolant Pressure Boundary."

"Emergency Core Cooling."

GDC 35,

"Containment Atmosphere Cleanup."

GDC 41,

"Fracture Prevention of Containment

GDC 51,

Pressure Boundary."

10 CFR 50, Appendix B, "Quality Assurance Criteria

for Nuclear Power Plants and Fuel Reprocessing Plants."

USNRC Regulatory Guides, SRP Branch Technical Positions

6.1.2

and Appendices

Regulatory Guide 1.7, "Control of Combustible Gas

Concentrations in Containment Following a Loss-of-Coolant Acci-

dent."

Guide 1.31,

"Control of Ferrite Con-

Regulatory

tent in Stainless Steel Weld Metal."

1.36, "Nonmetallic Thermal

Guide

Regulatory

Insulation for Austenitic Stainless Steel."

6-1