ML25290A129

Susquehanna, Units 1 and 2 - Updated Final Safety Analysis Report, Rev. 72, Questions 361

ML25290A129
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Site:	Susquehanna
Issue date:	10/13/2025
From:	Talen Energy, Susquehanna
To:	Office of Nuclear Reactor Regulation
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SSES-FSAR QUESTION 361.1 FSAR Figure 2.5-8 is unclear.

Provide two new maps: (1) one map showing earthquake epicenters and province boundaries out to their maximum extent for provinces coming within 200 miles of the site {no geologic symbols) and (2) a second map showing only earthquake epicenters (no geologic symbols or province boundaries) within 200 miles of the site.

The earthquake symbols should be changed to better differentiate epicentral intensities on the maps.

RESPONSE

Figure 2. 5-Sa shows earthquake epicenters and tectonic province boundaries for provinces coming within 200 miles of the site.

Figure 2.5-8b shows earthquake epicenters wi~hin 200 miles of the site. On both maps, earthquake symbols have been changed to better differentiate epicentral intensities.

Rev. 46, 06/93 361.1-1

SSES-FSAR QUESTION 361. 2 Since the design response spectra for the OBE and SSE deviate from those suggested in Regulatory Guide 1. 60, provide and compare graphs showing both the design response spectra and the Regulatory Guide 1.60 spectra for the OBE and SSE.

RESPONSE

The comparison is given in revised Subsection 3.7b.l.l.

Rev. 46, 06/93 361.2-1

SSES-FSAR QUESTION 361.3 FSAR Figure 2.5-11 depicts the regional landsat lineaments.

A discussion of these lineaments and their relationship to the regional geology has not been provided in the FSAR text.

Provide a detailed discussion of the lineaments.

Include in this discussion the relationship of lineaments as proposed by Saunders and Hick, 1976 to the regional geology.

RESPONSE

The response to the Subsection 2.5.1.1.3.5.

Rev. 46, 06/93 question 361.3-1 is provided in

SSES-FSAR QUESTION 361. 4 Discuss the potential for and hazards resulting from subsurface gas and waste storage in the local geologic structures in the near site vicinity.

RESPONSE

This response to Subsection 2.2.3.1.7.

Rev. 46, 06/93 this question 361.4-1 is provided in

SSES-FSAR QUESTION 361.5 FSAR Figures 2.5-18 and 2.5-19 are blurred.

Please provide legible copies of these figures.

RESPONSE

FSAR Figures have been revised.

Rev. 46, 06/93 361.5-1