ML13169A112
| ML13169A112 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 05/17/2013 |
| From: | Entergy Operations |
| To: | NRC/SECY |
| SECY RAS | |
| References | |
| 07-858-03-LR-BD01, RAS 24547, Indian Point 50-247-LR and 50-286-LR | |
| Download: ML13169A112 (3) | |
Text
United States Nuclear Regulatory Commission Official Hearing Exhibit In the Matter of:
Entergy Nuclear Operations, Inc.
(Indian Point Nuclear Generating Units 2 and 3)
ASLBP #: 07-858-03-LR-BD01 Docket #: 05000247 l 05000286 Exhibit #:
Identified:
Admitted:
Withdrawn:
Rejected:
Stricken:
Other:
NYS000476-00-BD01 6/12/2013 6/12/2013 NYS000476 Submitted: May 17, 2013 EXCERPT ATTACHMENT 1 TO NL-13-075 License Renewal Application-Completed Engineering Project Cost Estimates for SAMAs Previously Identified as Potentially Cost Beneficial ENTERGY NUCLEAR OPERATIONS, INC.
INDIAN POINT NUCLEAR GENERATING UNIT NOS. 2 & 3 DOCKET NOS. 50-247 AND 50-286
NL-13-075 Page 4 of 13 contingencies reflecting the location and complexity of the work and consIstency with Association for Advancement for Cost Engineering (AACE) guidance (Reference 14).
TABLE 1 Results of Cost Benefit Analysis of IP2 SAMA Candidates Benefit Estimated IP2 Phase II SAMA Benefit with Conclusion 1 Uncertainty Cost 009 - Create a reactor cavity flooding
$6,347,528
$13,363,217
$1,738,982 Cost Beneficial system.
(Deferred) 021 - Install additional pressure or leak
$2,093,852
$4,408,109
$4,607,051 Not Cost Beneficial monitoring instrumentation for inter-system loss of coolant accident (ISLOCAs).
022 - Add redundant and diverse limit
$1,071,465
$2,255,716
$7,685,460 Not Cost Beneficial switches to each containment isolation valve.
028 - Provide a portable diesel-driven
$1,357,046
$2,856,939
$2,137,804 Cost Benefic ial battery charger.
(Deferred) 044 - Use fire water system as backup
$2,350,530
$4,948,485
$3,046,418 Cost Beneficial for steam generator inventory.
(Deferred) 053 - Keep both pressurizer power-
$659,715
$1,388,873
$1,467,848 Not Cost Beneficial operated relief valves (PORV) block valves open.
054 - Install flood alarm in the 480V
$5,591,781
$11,772,170
$456,985 Cost Beneficial switchgear room.
(Deferred) 056 - Keep residual heat removal (RHR)
$48,723
$102,574
$1,705,367 Not Cost Beneficial heat exchanger discharge motor operated valves (MOVs) normally open.
060 - Provide added protection against
$1,275,337
$2,684,920
$715,145 Cost Beneficial flood propagation from stairwell 4 into the 480V switchgear room.
(Deferred) 061 - Provide added protection against
$2,754,991
$5,799,982
$933,981 Cost Beneficial flood propagation from the deluge room into the 480V switchgear room.
(Deferred)
I 062 Provide a hard-wired connection to
$850,165
$1,789,822
$1,624,840 Cost Beneficial an SI pump from alternate safe shutdown system (ASSS) power supply.
(Deferred) 065 - Upgrade the ASSS to allow timel:
$5,591,781
$11,772,170
$1,789,771 Cost Beneficial restoration of seal and cooling.
(Deferred)
IP2-GAG N/A
$13,000,000
$458,617 Cost Beneficial (To Be Implemented)
Bases for conclusions are discussed further below.
Results of Cost Benefit Analysis of IP3 SAMA Candidates Benefit Estimated IP3 Phase II SAMA Benefit with Uncertainty Cost 007 - Create a reactor f.I
~:
$5,038,071
$7,301,552
$1,869,811
'0 svstem.
018 Route the discharge from the main
$4,821,779
$14,637,545
$35,676,701 steam safety valves through a structure where a water spray would condense the steam and remove most of the fission products.
° 19 - Install additional pressure or leak
$2,126,663
$3,082,120
$6,462,470 monitoring instrumentation for ISLOCAs.
052 Open city water supply valve for
$249,398
$361,446
$138,378 alternative AFW pump suction.
053 Install an excess flow valve to
$498,795
$722,892
$340,790 reduce the risk associated with hydrogen explosions.
055 - Provide hard-wired connection to a
$4,073,152
$5,903,118
$1,589,189 safety injection (SI) or RHR pump from the Appendix R bus (MCC 312A).
061 - Upgrade the ASSS to allow timely
$4,359,371
$6,317,929
$2,258,137 restoration of seal injection and cooling.
062 - Install flood alarm in the 480 V AC
$4,359,371
$6,317,929
$494,175 switchgear room.
IP3-GAG N/A
$19,000,000
$458,617 NL-13-075 Page 5 13 Conclusion2 Cost Beneficial (Deferred)
Not Cost Beneficial Not Cost Beneficial Cost Beneficial (Implemented)
Cost Beneficial (To Be Implemented)
Cost Beneficial (Deferred)
Cost Beneficial (Deferred)
Cost Beneficial (Deferred)
Cost Beneficial (To Be Implemented)
As noted in Table 1 above, six SAMAs previously identified as potentially cost-beneficial (IP2-021, IP2-022, IP2-053, IP2-056, IP3-018, IP3-019) are not cost-beneficial based on the now-completed, more comprehensive engineering project cost estimates. Further information regarding the cost estimates for the six no-Ionger-cost-beneficial SAMAs is provided below.
- 1. IP2-021: Install Additional Pressure and Leak Monitoring Instrumentation for ISLOCAs IP2-021 the installation of at nine separate inter-system loss of coolant accident (ISLOCA) paths (inside containment) in order to measure pressure changes within an isolation boundary. The installed pressure transmitters would transmit information to a location outside containment for remote display and monitoring. The previous cost estimate for IP2-021 was $3.2 million. That estimate was updated accordance with the methodology described above, including use of more detailed plant-specific design information, current labor rates, updated contingency factors, and accounting site access The Bases for conclusions are discussed further below.