ACRS Thermo-Hydraulic Phenomena Subcommittee Meeting - October 25-26, 2001

ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
THERMAL-HYDRAULIC PHENOMENA SUBCOMMITTEE MEETING:
DRESDEN/QUAD CITIES NUCLEAR POWER STATION UPRATE REQUEST
OCTOBER 25-26, 2001
ROCKVILLE, MARYLAND

PRESENTATION SCHEDULE

Contact:

P. Boehnert (301/415-8065) (pab2@nrc.gov)

October 25, 2001

	TOPIC		SPEAKER	TIME
I.	Opening Remarks		G. Wallis, Chairman,	1:00 p.m.
II.	Dresden/Quad Cities Power Uprates
	A. Exelon Presentations (Open/Closed?)		Exelon/GE Nuclear Energy	1:15 p.m.
		1. Introduction
		2. Plant Changes to Accommodate Power Uprate(1)
		3. Compliance with Regulatory Requirements
		- Hardware Modifications - Analyses Performed - Impact on Plant Margins
		4. Review Issues:
		- Plant Operator Training/Operator Action Times - Stability Monitor/Instability Avoidance - ATWS Event Response for Uprate Conditions - Fuel response for ATWS/Power Excursions - Material Degradation Issues (e.g.,IASCC/FAC) - Impact on Containment Response/Load Limits - Piping Stress Limit - Inspection Program - Impact of Uprate on Steam Separator/Dryer System
		5. ECCS Analyses
		- Results
		6. Resolution of Open Issues
		- NPSH Requirements - Ultimate Heat Sink - ATWS Audit - Transient Tests
		7. PRA Analysis
		- Analyses Performed/Results (CDF LERF, CDFs & LERFs, Associated Uncertainties(2)) - Evaluation of Missing PRA Elements(3)(e.g., fire, seismic, shutdown risk)
		8. Concluding Remarks
III.	Recess			6:00 p.m.
October 26, 2001
IV.	Reconvene		G. Wallis, Chairman	8:30 a.m.
V.	Dresden/Quad Cities Uprate (Cont.)
	B. NRR Presentations (Open)		NRR	8:40 a.m.
		1. Introduction
		-Staff Evaluation -Response to Duane Arnold Review
		2. NRR SER Results/Response to ACRS Questions
		- Key Staff Review Issues/Review Results - Audits of Licensee's Code Calculations - Evaluation of Containment Response - Evaluation of ATWS Response - Material Degradation Issues - Impact on Plant Margins - PRA Analyses/Evaluation Of Licensee's PRA Examinations
		3. Open Issues
		4. Concluding Remarks
	C. Subcommittee Caucus (Open)			12:00 p.m.
		1. Comments on Meeting Presentations
		2. Follow-on Actions
		3. Decision to Bring Review to ACRS
VI.	Adjourn			12:30 p.m.

1. For discussion items 2-7, note differences in plant designs as necessary.

2. If uncertainty evaluations not performed, provide a qualitative discussion of this matter.

3. If quantitative analyses not available, provide rigorous qualitative arguments.