Text

Response to NRC Letter Dated June 18, 2010, Request for Additional Information (High Energy Piping) for License Renewal Application
	ML102150030
Person / Time
Site:	Diablo Canyon
Issue date:	07/28/2010
From:	Becker J; Pacific Gas & Electric Co
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	DCL-10-091
	Download: ML102150030 (82)
	v • d • e

PacificGas and ElectricCompany' James R.Becker Diablo Canyon Power Plant Site Vice President Mail Code 104/5/601 P.0. Box 56 Avila Beach, CA 93424 805.545.3462 July 28, 2010 Internal: 691.3462 Fax: 805.545.6445 PG&E Letter DCL-10-091 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Docket No. 50-275, OL-DPR-80 Docket No. 50-323, OL-DPR-82 Diablo Canyon Units 1 and 2 Response to NRC Letter dated June 18, 2010, Request for Additional Information (High Energy Piping) for the Diablo Canyon License Renewal Application Reference 1: PG&E Letter DCL-09-079, "License Renewal Application," dated November 23, 2009

Dear Commissioners and Staff:

By letter dated November 23, 2009 (Reference 1), Pacific Gas and Electric Company (PG&E) submitted a License Renewal Application (LRA) for Diablo Canyon Units 1 and 2 (DCPP) requesting the DCPP Facility Operating Licenses be extended for 20 years beyond their current expiration dates.

In a letter to PG&E dated May 24, 2010, the NRC requested additional information (RAI) related to the LRA Scoping and Screening Methodology Audit conducted at DCPP March 15-18, 2010. PG&E Letter DCL-10-067, dated June 18, 2010, responded to this RAI, and determined that high-energy piping in the turbine building should be included in the scope of the license renewal in accordance with 10 CFR 54.4(a)(2) under the preventative option of NEI 95-10, Appendix F, to protect safety-related cable in the turbine building from the effects of pipe whip and jet impingement. DCL-10-067 committed to including the high-energy piping in a future LRA.

Enclosure 1 of this letter is Amendment 5 which includes the addition of the high-energy piping in the turbine building to the scope of the LRA. PG&E has identified these additional changes to the LRA submitted in Reference 1 with line-in/line-out annotations in the attached pages.

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance "Z4 Callaway

Comanche Peak

Diablo Canyon

Palo Verde

San Onofre

South Texas Project

Wolf Creek

Document Control Desk PG&E Letter DCL-10-091 July 28, 2010 Page 2 Should you have any questions or if additional information is needed regarding this letter, please contact Mr. Terence L. Grebel, License Renewal Project Manager, at (805) 545-4160.

I declare under penalty of perjury that the foregoing is true and correct.

Executed on July 28, 2010.

James-"ecke Site Vice President pns3/9782 Enclosures cc: Diablo Distribution cc/enc: Elmo E. Collins, NRC Region IV Regional Administrator Nathaniel Ferrer, NRC Project Manager, License Renewal Kimberly J. Green, NRC Project Manager, License Renewal Michael S. Peck, NRC Senior Resident Inspector Alan B. Wang, NRC Project Manager, Office of Nuclear Reactor Regulation A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Caltaway o Comanche Peak o Diabto Canyon o Pato Verde o San Onofre o South Texas Project o Wolf Creek

Enclosure 1 License Renewal Application Amendment 5 and Methodology Summary Page 1 of 80

PG&E Letter DCL-10-091 Page 2 of 80 In PG&E letter DCL-10-067, dated June 18, 2010, PG&E responded to request for additional information (RAI) 2.3-4 and committed to add high energy systems in the turbine building into the scope of license renewal. These systems are being added because these high energy systems could interact with safety-related electrical cable in the turbine building. The preventive approach is being used for the high energy systems in order to provide added assurance that safety-related cable in the turbine building is not damaged by the effects of pipe whip and jet impingement due to the potential aging-related failure of a high energy component.

The high energy systems in the Diablo Canyon Power Plant (DCPP) turbine building were identified based on the plant licensing basis. The high energy portions of the following systems were evaluated and included within the scope of license renewal. An aging evaluation has been performed, and the corresponding license renewal application (LRA) sections and tables have been revised. The corresponding tables in Chapter 3 were also revised. The following systems or portions of systems in the turbine building contain high energy.

These high energy systems were added to the scope of license renewal:

Extraction steam and heater drip system (2.3.3.18)

Turbine generator and associated systems (2.3.3.18)

Secondary sampling system (2.3.3.18)

Turbine steam supply system (2.3.4.1)

Auxiliary steam system (2.3.4.2)

Feedwater system (2.3.4.3)

Condensate system (2.3.4.4)

The components in the portions of the above systems that were added to scope were evaluated using the methodology as described in Chapter 2. The newly added components were evaluated, and any new materials or environments were identified and added to the materials, environments, aging effects, and aging management programs list contained in Chapter 3. Additionally the Chapter 3 tables were revised to reflect the results of the aging evaluations of the newly added components. The LRA page changes included in this amendment only show text and individual table line items that have been added or deleted from the previous amendment (with exception to Table 2.2-1, for the purpose of clarity). Existing text and table line items that did not change have not been included in this amendment.

In addition to the changes resulting from the addition of high energy systems, there are also revisions to screening and aging management review results identified due to the adjustment of the scoping boundary and identification of corrections that were needed.

PG&E Letter DCL-10-091 Page 3 of 80 List of Revised License Renewal Application Sections and Tables TablelSection No. Name Section 2.3.3.18 Miscellaneous Systems In Scope ONLY for Criterion 10 CFR 54.4(a)(2)

Section 2.3.4.1 Turbine Steam Supply System Section 2.3.4.2 Auxiliary Steam System Section 2.3.4.3 Feedwater System Section 2.3.4.4 Condensate System Section 3.3.2.1.18 Miscellaneous Systems In-Scope ONLY based on Criterion 10 CFR 54.4(a)(2)

Section 3.4.2.1.1 Turbine Steam Supply System Section 3.4.2.1.2 Auxiliary Steam System Section 3.4.2.1.4 Condensate System Table 2.2-1 DCPP Scoping Results Table 2.3.3-18 Miscellaneous Systems In Scope ONLY Based on Criterion 10 CFR 54.4(a)(2)

Table 2.3.4-1 Turbine Steam Supply System Table 2.3.4-2 Auxiliary Steam System Table 2.3.4-3 Feedwater System Table 2.3.4-4 Condensate System Table 3.3.1 Summary of Aging Management Evaluations in Chapter VII of NUREG-1 801 for Auxiliary Systems Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2)

Table 3.4.1 Summary of Aging Management Evaluations in Chapter VIII of NUREG-1801 for Steam and Power Conversion System Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation - Turbine Steam Supply System Table 3.4.2-2 Steam and Power Conversion System - Summary of Aging Management Evaluation - Auxiliary Steam System Table 3.4.2-3 Steam and Power Conversion System - Summary of Aging Management Evaluation - Feedwater System Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate System Appendix B2.1.10 Closed-Cycle Cooling Water System Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 4 of 80 MECHANICAL SYSTEMS 2.3.3.18 Miscellaneous Systems In Scope ONLY for Criterion 10 CFR 54.4(a)(2)

The following systems are within the scope of license renewal only based on the criterion of 10 CFR 54.4(a)(2):

0 Turbine generator associated systems System Descriptions/System Intended Functions Extraction steam and heaterdrip system The purpose of the extraction steam and heater drip system is to provide preheated feedwater to the steam generators to improve cycle efficiency.

Extraction steam from the high pressure turbine and drains from the moisture separator reheaters are used to heat the feedwater in the last two stages of the feedwater heaters. Extraction steam from the low pressure turbines is used to heat the feedwater in the first four stages of the feedwater heaters. The extraction steam and heater drip system is nonsafety and performs no safety-related functions.

The extraction steam and heater drip system contains nonsafety piping that is located within safety-related areas. The extraction steam and heater drip system piping and piping components in the turbine building contain high energy fluids.

The majority of the extraction steam and heater drip system consists of piping which contains high energy fluids located in the turbine building where there are some safety related cables. There is also a portion of system piping located in the auxiliary building. Therefore, portions Portions of the extraction steam and heater drip system are within the scope of license renewal as nonsafety-related affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2) for spatial interaction.

Secondary Sampling System The secondary sampling system is a nonsafety-related system that provides sampling and analysis of secondary plant systems.

Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 5 of 80 MECHANICAL SYSTEMS The central sample panel for each unit is located in the auxiliary building. Each unit has another sample panel located in the buttress area west of the turbine building. Most of the sample points and lines are in the turbine building but the lines leading to the central sample panels are in the auxiliary building. Portions of the secondary sampling system piping and piping components in the turbine building contain high energy fluids.

Portions of the secondary sampling system are in scope as nonsafety affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2) due to spatial interaction and structural integrity. High energy portions of the secondary sampling system in the turbine building could prevent the satisfactory accomplishment of a safety-related function associated with certain safety-related cables. These portions of the secondary sampling system are within the scope of license renewal as nonsafety affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2).

Turbine GeneratorAssociated Systems The purpose of the turbine generator associated systems is to support operation of the main turbine and generator by supplying turbine shaft sealing, generator shaft sealing, generator gas cooling, and generator water cooling. It also supplies shaft sealing for the main feed pump turbines. It includes the following systems:

Gland sealing system, which prevents air leakage into the turbine along the shaft

" Hydrogen cooling for the main generator

Generator seal oil, which prevents hydrogen from leaking from the main generator

Stator cooling water system The turbine generator associated systems do not perform any safety functions.

The turbine generator associated systems piping and piping components in the turbine building contain high energy fluids.

The high energy portions of the turbine generator associated systems in the turbine building could prevent the satisfactory accomplishment of a safety-related function associated with certain safety-related cables. Therefore, portions of the turbine generator associated systems are within the scope of license renewal as nonsafety-related affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2) for spatial interaction.

Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 6 of 80 MECHANICAL SYSTEMS FSAR References Details of the extraction steam and heater drip system are discussed in FSAR Sections 3.6.1.2, 10.2.2.1, and 10.4.7.2.

Details of the radiation monitoring system (mechanical) system are discussed in FSAR Sections 11.4.1, 11.4.2.2, and Table 11.4-1.

Details of the sanitary sewage system are discussed in FSAR Section 9.2.8.

Details of the secondary sampling system are discussed in FSAR Sections 3.6.1.2 and 9.3.2.3.

Details of the service cooling water system are discussed in FSAR Section 9.2.1.

Details of the solid radwaste system are discussed in FSAR Sections 11.2 and 11.5.

Details of the turbine generator associated systems are discussed in FSAR Sections 3.6.1.2, 10.2.2.3, and 10.4.3.

License Renewal Boundary Drawings The license renewal boundary drawings for the extraction steam and heater drip system are listed below:

LR-DCPP-05-106705-02 LR-DCPP-05-106705-03 LR-DCPP-05-106705-04 LR-DCPP-05-106705-05 LR-DCPP-05-106705-06 LR-DCPP-05-106705-07 LR-DCPP-05-107705-02 LR-DCPP-05-107705-03 LR-DCPP-05-107705-05 LR-DCPP-05-107705-06 LR-DCPP-05-107705-07 LR-DCPP-28-106728-04 LR-DCPP-28-106728-05 LR-DCPP-28-107728-04 LR-DCPP-28-107728-05 Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 7 of 80 MECHANICAL SYSTEMS The license renewal boundary drawings for the secondary sampling system are listed below:

LR-DCPP-02-106702-02 LR-DCPP-02-106702-03 LR-DCPP-02-106702-04 LR-DCPP-02-106702-05 LR-DCPP-02-106702-08 LR-DCPP-02-107702-02 LR-DCPP-02-107702-03 LR-DCPP-02-107702-05 LR-DCPP-02-107702-08 LR-DCPP-02-107702-14 LR-DCPP-03-106703-02 LR-DCPP-04-106704-02 LR-DCPP-04-106704-03 LR-DCPP-04-106704-05 LR-DCPP-04-106704-06 LR-DCPP-04-106704-14 LR-DCPP-05-106705-02 LR-DCPP-06-106706-05 LR-DCPP-06-106706-07 LR-DCPP-06-106706-08 LR-DCPP-28-106728-04 LR-DCPP-28-106728-05 LR-DCPP-28-106728-07A LR-DCPP-28-107728-04 LR-DCPP-28-107728-05 LR-DCPP-28-107728-07A The license renewal boundary drawings for the turbine generator associated systems are listed below:

LR-DCPP-22-106722-02 LR-DCPP-22-106722-03 LR-DCPP-22-106722-04 LR-DCPP-22-106722-05 LR-DCPP-22-106722-05A LR-DCPP-22-106722-06 LR-DCPP-22-107722-02 LR-DCPP-22-107722-03 LR-DCPP-22-107722-04 LR-DCPP-22-107722-05 LR-DCPP-22-107722-06 Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 8 of 80 MECHANICAL SYSTEMS 2.3.4.1 Turbine Steam Supply System

System Description

The turbine steam supply system conveys the generated steam from the nuclear steam supply system to the turbine generator, turbine driven feedwater pumps, the turbine-driven auxiliary feed-feedwater pump, condenser steam dumps, and the auxiliary steam system. Portions of the turbine steam supply system piping and piping components in the turbine building contain high energy fluids.

System Intended Functions The turbine steam supply system provides heat removal from the RCS for controlled cooldown during normal, accident and post-accident conditions.

Portions of the turbine steam supply system provide containment isolation and overpressure protection for the secondary side of the steam generators and the main steam piping. The turbine steam supply system also provides steam as a motive force to support the operation of the turbine-driven auxiliary feedwater pumps. Therefore, pe;i,,.theof- turbine steam supply system is are-within the scope of license renewal based on the criteria of 10 CFR 54.4(a)(1).

Portions of the safety-related turbine steam supply system attach to nonsafety-related piping such that the structural failure of the nonsafety-related piping could prevent satisfactory accomplishment of safety-related system functions. Some of the turbine steam supply system in the auxiliary building contains nonsafety-related components that are spatially oriented such that their failure could prevent the satisfactory accomplishment of a safety-related function associated with a safety-related component. TheFefeTe, High energy portions of turbine steam supply system in the turbine building could prevent the satisfactory accomplishment of a safety-related function associated with certain safety-related cables. These portions of the turbine steam supply system are within-the in scope of license renewal as nonsafety affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2).

Portions of the turbine steam supply system support ATWS, fire protection, SBO and EQ requirements and are within the scope of license renewal based on the criteria 10 CFR 54.4(a)(3).

FSAR References Additional details of the turbine steam supply system can be found in FSAR Sections 3.6.1.2, 6.5.2.1.2, 10.2, 10.3, 10.4.4, and 10.4.8.

Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 9 of 80 MECHANICAL SYSTEMS License Renewal Boundary Drawings The license renewal boundary drawings for the turbine steam supply system are listed below:

LR-DCPP-04-106704-05 LR-DCPP-04-106704-06 LR-DCPP-04-106704-07 LR-DCPP-04-106704-09 LR-DCPP-04-106704-10 LR-DCPP-04-106704-11 LR-DCPP-04-106704-12 LR-DCPP-04-106704-13 LR-DCPP-04-106704-17 LR-DCPP-04-107704-05 LR-DCPP-04-107704-06 LR-DCPP-04-107704-07 LR-DCPP-04-107704-10 LR-DCPP-04-107704-11 LR-DCPP-04-107704-12 LR-DCPP-04-107704-13 Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 10 of 80 MECHANICAL SYSTEMS 2.3.4.2 Auxiliary Steam System

System Description

The auxiliary steam system consists of two auxiliary boilers, pumps, receivers, tanks, piping, and valves. One auxiliary boiler (0-2) is located in a separate building; the other auxiliary boiler (0-1) is located in a separate room in the Unit 1 ventilation building and is abandoned. The piping and valves associated with the auxiliary steam system are located in the auxiliary boiler enclosure, the turbine building, the auxiliary building, the fuel handling building, and the containment.

The system contains piping which penetrates containment and contains the necessary containment isolation valves. The auxiliary steam system piping and piping components in the turbine building contain high energy fluids.

System Intended Functions Portions of the nonsafety-related auxiliary steam system piping are attached to safety-related containment penetration piping such that the structural failure of the nonsafety-related piping could prevent satisfactory accomplishment of safety-related system functions. Portions of the auxiliary steam system in the auxiliary building and containment contain nonsafety-related components that are spatially oriented such that their failure could prevent the satisfactory accomplishment of a safety-related function associated with a safety-related component. The high energy portions of the auxiliary steam system in the turbine building could prevent the satisfactory accomplishment of a safety-related function associated with certain safety-related cables. These portions of the auxiliary steam system are within the scope of license renewal as nonsafety-related components affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2).

FSAR References Additional details of the auxiliary steam system are included in FSAR Sections 3.6.1.2 and 9.3.7.1.

License Renewal Boundary Drawings The license renewal boundary drawings for the auxiliary steam system are listed below:

LR-DCPP-06-106706-04 Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 11 of 80 MECHANICAL SYSTEMS 2.3.4.3 Feedwater System

System Description

The water discharged from the feedwater pumps flows through the single stage of high pressure heaters to the steam generators through four lines penetrating the containment, one line for each steam generator. Flow regulating valves, flow venturis, isolation valves, bypass regulating valves, and a check valve are installed in each line outside the containment. The feedwater system piping and piping components in the turbine building contain high energy fluids.

System Intended Functions Portions of the safety-related feedwater system attach to nonsafety-related piping such that the structural failure of the nonsafety-related piping could prevent satisfactory accomplishment of safety-related system functions. Portions of the feedwater system in the auxiliary building contain nonsafety-related components that are spatially oriented such that their failure could prevent the satisfactory accomplishment of a safety-related function associated with a safety-related component. The high energy portions of the feedwater system that are in the turbine building could prevent the satisfactory accomplishment of a safety-related function associated with certain safety-related cables. These portions of feedwater system are within the scope of license renewal as nonsafety affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2).

FSAR References Additional details of the feedwater system are included in FSAR Sections 3.6.1.2 and 10.4.7.

License Renewal Boundary Drawings The license renewal boundary drawings for the feedwater system are listed below:

LR-DCPP-03-106703-05 LR-DCPP-03-107703-05 Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 12 of 80 MECHANICAL SYSTEMS 2.3.4.4 Condensate System

System Description

The purposes of the condensate system are: (1) to collect the condensate from the exhaust steam of main turbines and feedwater pump turbines and the steam cycle drains in the main condenser hotwell, and (2) to deliver deaerated water from the main condenser hotwells to the suction of the main feedwater pumps.

Together with the feedwater system, the feedwater is delivered to the steam generators at the required pressure and temperature. The hotwell may also provide water to the firewater system or the auxiliary feedwater system for long-term cooling.

Major components in the condensate system include the main condenser, condensate demineralizers three half capacity centrifugal condensate pumps and three condensate booster pumps.

The condensate system interfaces with the feedwater system, which is evaluated in Section 2.3.4.3. The condensate system interfaces with the secondary sampling system, which is evaluated in the secondary sampling system in Section 2.3.3.18. The condensate storage tank, which provides makeup and surge capacity to compensate for changes in condensate system inventory, is evaluated in the makeup water system in Section 2.3.3.5.

Portions of the condensate system piping and piping components in the turbine building contain high energy fluids.

System Intended Functions Portions of the condensate system are located in the auxiliary building and contain nonsafety-related components that are spatially oriented such that their failure could prevent the satisfactory accomplishment of a safety-related function associated with a safety-related component. High energy portions of the condensate system in the turbine building could prevent the satisfactory accomplishment of a safety-related function associated with certain safety-related cables. Portions of the condensate system may be used to provide water for long term cooling. These portions of the condensate system are in scope as nonsafety affecting safety-related components based on the criterion of 10 CFR 54.4(a)(2).

The license renewal boundary drawings for the condensate system are listed below:

LR-DCPP-02-106702-05 LR-DCPP-02-106702-06 Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 13 of 80 MECHANICAL SYSTEMS LR-DCPP-02-106702-07 LR-DCPP-02-106702-08 LR-DCPP-02-106702-12 LR-DCPP-02-106702-14 LR-DCPP-02-107702-05 LR-DCPP-02-107702-06 LR-DCPP-02-107702-07 LR-DCPP-02-107702-08 LR-DCPP-02-107702-12 LR-DCPP-02-107702-14 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 14 of 80 3.3.2.1.18 Miscellaneous Systems In-Scope ONLY based on Criterion 10 CFR 54.4(a)(2)

Materials The materials of construction for the miscellaneous systems in scope ONLY based on Criterion 10 CFR 54.4(a)(2) component types are:

Copper Alloy (greater than 15 percent Zinc)

Nickel Alloys Environment The miscellaneous systems in scope ONLY based on Criterion 10 CFR 54.4(a)(2) component types are exposed to the following environments:

Dry Gas

Lubricating Oil Aging Effects Requiring Management The following miscellaneous systems in-scope ONLY based on Criterion 10 CFR 54.4(a)(2) aging effects require management:

0 Wall thinning Aging Management Programs The following aging management programs manage the aging effects for the miscellaneous systems in scope ONLY based on Criterion 10 CFR 54.4(a)(2) component types:

Flow-Accelerated Corrosion (B2.1.6)

Lubricating Oil Analysis (B2.1.23)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 15 of 80 POWER CONVERSION SYSTEMS 3.4.2.1.1 Turbine Steam Supply System Materials The materials of construction for the turbine steam supply system component types are:

S Glass S Nickel Alloys Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 16 of 80 POWER CONVERSION SYSTEMS 3.4.2.1.2 Auxiliary Steam System Materials The materials of construction for the auxiliary steam system component types are:

Cast Iron (Gray Cast Iron)

Environment The auxiliary steam system components are exposed to the following environments:

Dr-y Gas Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 17 of 80 POWER CONVERSION SYSTEMS 3.4.2.1.4 Condensate System Environment The condensate system components are exposed to the following environments:

Closed Cycle Cooling Water

Dry Gas Aging Effects Requiring Management The following condensate system aging effects require management:

0 Cracking Aging Management Programs The following aging management programs manage the aging effects for the condensate system component types:

Closed-Cycle Cooling Water System (B2.1.10)

Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 18 of 80 Table 2.2-1 DCPP Scoping Results In Section 2 System/Structure Scope Scoping Results Reactor Vessel, Internals, and Reactor Coolant System Pressurizer Yes 2.3.1.3 Reactor coolant, includes: Yes 2.3.1.2 RVLIS and RVRLIS Reactor core, includes:

Nuclear Fuel Yes 2.3.1.5 Control Rod Mechanical SSCs Reactor vessel and internals Yes 2.3.1.1 Steam generators Yes 2.3.1.4 Engineered Safety Features Containment HVAC, including: Yes 2 3.2.4 Containment H2 control Containment spray Yes 2.3.2.2 Residual heat removal Yes 2.3.2.3 Safety injection Yes 2.3.2.1 Auxiliary Systems Auxiliary building HVAC, includes:

Main auxiliary building HVAC Yes 2.3.3.11 Miscellaneous auxiliary building HVAC Fuel handling building HVAC Chemical and volume control Yes 2.3.3.8 Component cooling water Yes 2.3.3.4 Compressed air, includes:

Backup air and N2 Yes 2.3.3.7 Compressed breathing air Control Room HVAC, includes: Yes 2.3.3.10 Plant process computer HVAC Cranes and fuel handling, includes:

Fuel handling Yes 2.3.3.1 cranes, hoists, and monorails Nuclear fuel storage Diesel generator fuel oil Yes 2.3.3.13 Diesel generator Yes 2.3.3.14 Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 19 of 80 In Section 2 System/Structure Scope Scoping Results Fire Protection, includes:

Fire Detection Firewater system Yes 2.3.3.12 CO 2 system Halon (Sim/Comp Rooms) system Portable fire extinguishers Gaseous radwaste Yes 2.3.3.16 Liquid radwaste Yes 2.3.3.17 Lube Oil Yes 2.3.3.15 Makeup water, includes Yes 2.3.3.5 Domestic and drinking water Miscellaneous HVAC, includes:

Turbine Building Yes 2.3.3.9 ASW Pump Room Ventilation Radwaste Storage Building Miscellaneous systems in scope ONLY for criterion Yes 2.3.3.18 10 CFR 54.4(a)(2), includes:

Extraction steam and heater drip Radiation monitoring (mechanical)

Sanitary sewage Secondary sampling Service cooling water Solid radwaste Turbine generator associated systems -

Nuclear steam supply sampling Yes 2.3.3.6 Oily water and turbine sump Yes 2.3.3.19 Saltwater and chlorination, includes:

Saltwater system Yes 2.3.3.3 Auxiliary saltwater Chlorination Spent fuel pool cooling, includes:

Spent fuel pool cooling Yes 2.3.3.2 Spent fuel pool purification Hazardous waste No N/A Laundry facility and decontamination equipment No N/A Nitrogen and hydrogen No N/A Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 20 of 80 System/Structure Steam and Power Conversion System Auxiliary feedwater, includes:

Long-term cooling water - auxiliary feedwater alternate Yes 2.3.4.5 suction sources Auxiliary steam Yes 2.3.4.2 Condensate, includes: Yes 234.4 Condensate polishing Feedwater Yes 2.3.4.3 Turbine steam supply (TSS), includes:

TSS -downstream of MSIV Yes 2.3.4.1 TSS -upstream of MSIV TSS -steam generator blowdown Tu rbine generator associated systemns No WA l Containments, Structures, and Component Supports Auxiliary building Yes 2.4.3 Containment building Yes 2.4.1 Control room (located in auxiliary building) Yes 2.4.2 Discharge structure Yes 2.4.12 Diesel fuel oil pump vaults and structures Yes 2.4.7 Earthwork and yard structures Yes 2.4.11 Fuel handling building Yes 2.4.9 Intake structure and intake control building Yes 2.4.10 Outdoor water storage tank foundations and encasements Yes 2.4.13 Pipeway structure Yes 2.4.6 Radwaste storage facilities Yes 2.4.5 Supports Yes 2.4.14 Turbine building, includes:

Administration building CCW heat exchanger room Yes 2.4.4 Elevated walkway Emergency diesel generator rooms 230kV Switchyard, 500kV Switchyard, and electrical Yes 2.4.8 foundations and structures Independent spent fuel storage installation and cask transfer No N/A facility NoN/A Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 21 of 80 tIn Section 2 System/Structure Scope Scoping Results Auxiliary boiler enclosure No N/A Avila gate guardhouse No N/A Avila gate storage building No N/A Bechtel administration trailers No N/A Bio-lab shower / Laboratory facility No N/A Biological laboratory and offices No N/A Blast and paint facility No N/A Boat dock No N/A Boat repair shop No N/A Building, auto, and land services trailer No N/A Building mechanic'shop No N/A Chemical storage building No N/A Chlorination and domestic water building (not in use) No N/A Clarifier and make-up pretreatment building No N/A Document Control RMS Building No N/A Document storage facilities No N/A Emergency Operations Facility No N/A Employee assistance program office trailer ,No N/A Energy Information Center No N/A Engineering services trailer No N/A Environmental monitoring program facilities , No N/A Firing range No N/A Fitness for duty buildings No N/A Fitness trailer No N/A Fleet mechanic office No N/A Gas cylinder storage No N/A General construction paint compressor building (not in use) No N/A General construction paint shack /sand blast facility' No N/A Hazardous waste facility No N/A Hazardous material office and warehouse No N/A Housekeeping field office No N/A Intake maintenance shop No N/A Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 22 of 80 InSopn Section 2 System/Structure Scope Scoping Sp Results Intake office/security access building No N/A Ionics reverse osmosis facility No N/A Laundry facility No N/A Learning center and maintenance shop No N/A Learning center and simulator No N/A Main warehouse No N/A MATCON express trailer No N/A Meteorological Tower No. 1 and building No N/A Meteorological Tower No. 2 and'building No N/A NOS project files No N/A Nuclear Quality Services trailer No N/A Oceanography laboratory No N/A Offsite emergency laboratory No N/A Old Steam Generator Storage Facility No N/A Outage services facilities No N/A Plant compressed air facility No N/A Plant security building and structures No N/A Portable fire pump building No N/A Raw water collection facility and wells at Diablo Creek No N/A Radiation protection trailer No N/A Restroom trailers No N/A Scaffold storage building No N/A Security guard station No N/A Service air pad building No N/A Sewage treatment plant No N/A Site overlook No N/A Storage building - 500kV switchyard No N/A Technical maintenance/Telecom/Medical facility No N/A Telecommunications trailer No N/A Telephone terminal building No N/A Turbine generator equipment warehouse No N/A Unit 2 cold machine shop No N/A Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 23 of 80 In Section 2 System/Structure Scope Scoping Results Utility Crew / Firewatch / Radwaste field office No N/A Vehicle maintenance shop No N/A Vehicle maintenance shop parts office No N/A Vending machine facility No N/A Warehouse A No N/A Warehouse B No N/A Wastewater holding and treatment equipment enclosure No N/A Westinghouse office trailer No N/A Yard Containment Access Facility No N/A Electrical and Instrumentation and Controls AMSAC Yes N/A Control rod electrical SSCs Yes N/A Communications Yes N/A Eagle 21 Yes N/A Emergency lighting, includes:

Emergency AC lighting Emergency DC lighting Yes N/A Battery operated lighting Control room lighting Pipe rack lighting Incore flux mapping Yes N/A Main generator electrical equipment (25kV) Yes N/A Nuclear instrumentation Yes N/A Radiation monitoring Yes N/A Safety parameter display Yes N/A Seismic monitoring, includes: Yes N/A Reactor seismic trip Site emergency and containment evacuation Yes N/A Solid state protection Yes N/A 120 VAC Yes N/A 125 VDC Yes N/A 480V \ Yes N/A 4.16kV Yes N/A 12kV Yes N/A Section 2.2 PG&E Letter DCL-10-091 PLANT-LEVEL SCOPING RESULTS Page 24 of 80 In Section 2 System/Structure Scope Scoping Results 230kV Yes N/A 500kV Yes N/A Auxiliary building control board digital No N/A Boric acid heat trace No N/A Cathodic protection No N/A Digital rod position indication No N/A Loose parts monitoring No N/A Meteorological monitoring No N/A Plant data network No N/A Plant process computer and annunciator No N/A Security No N/A Security UPS No N/A 120V general use and normal lighting No N/A Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 25 of 80 MECHANICAL SYSTEMS Table 2.3.3-18 Miscellaneous Systems In Scope ONLY Based on Criterion 10 CFR 54.4(a)(2)

Component Type Intended Function Expansion Joint Leakage Boundary (spatial)

Heat Exchanger (Air Side Seal Oil Cooler) Leakage Boundary (spatial)

Heat Exchanger (Gas Dryer Water Gas) Leakage Boundary (spatial)

Heat Exchanger (Gas Dryer) Leakage Boundary (spatial)

Heat Exchanger (H2 Side Seal Oil Cooler) Leakage Boundary (spatial)

Heat Exchanger (Stator CIg 02 Cooler) Leakage Boundary (spatial)

Orifice Leakage Boundary (spatial)

Regulators Leakage Boundary (spatial)

Rupture Disc Leakage Boundary (spatial)

Thermowell Leakage Boundary (spatial)

Trap Leakage Boundary (spatial)

Table 2.3.4-1 Turbine Steam Supply System Component Type Intended Function Expansion Joint Leakage Boundary (spatial)

Flow Indicator Leakage Boundary (spatial)

Heat Exchanger (Steam Generator Blowdown) Leakage Boundary (spatial)

Heat Exchanger (Turbine Bldg) Leakage Boundary (spatial)

Sight Gauge Leakage Boundary (spatial)

Strainer Filter Leakage Boundary (spatial)

Pressure Boundary Test Gonnection Pressure BRounda.,'t Turbine Leakage Boundary (spatial)

Pressure Boundary Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 26 of 80 MECHANICAL SYSTEMS Table 2.3.4-2 Auxiliary Steam System Component Type Intended Function Heat Exchanger (C02 Vaporizer) Leakage Boundary (spatial)

Heat Exchanger (Reboiler) Leakage Boundary (spatial)

Heater Leakage Boundary (spatial)

Table 2.3.4-3 FeedwaterSystem Component Type Intended Function Filter Leakage Boundary (spatial)

Flow Element Leakage Boundary (spatial)

Pressure Boundary Throttle Heat Exchanger (Feedwater Heater) Leakage Boundary (spatial)

Structural Integrity (attached)

Orifice Leakage Boundary (spatial)

Table 2.3.4-4 Condensate System Component Type Intended Function Demineralizer Leakage Boundary (spatial)

Ejector Leakage Boundary (spatial)

Filter Leakage Boundary (spatial)

Flexible Hoses Leakage Boundary (spatial)

Flow Element Leakage Boundary (spatial)

Flow Indicator Leakage Boundary (spatial)

Heat Exchanger (Caustic Dilution Hx - Shell) Leakage Boundary (spatial)

Heat Exchanger (Caustic Dilution Hx - Leakage Boundary (spatial)

Tubesheet)

Heat Exchanger (Condensate Cooler - Shell) Leakage Boundary (spatial)

Heat Exchanger (Condensate Cooler - Leakage Boundary (spatial)

Tubesheet)

Heat Exchanger (Feedwater Heater - Head) Leakage Boundary (spatial)

Section 2.3 PG&E Letter DCL-10-091 SCOPING AND SCREENING RESULTS:

Page 27 of 80 MECHANICAL SYSTEMS Table 2.3.4-4 Condenm sate System (Continued)

Component Type Intended Function Heat Exchanger (Feedwater Heater - Shell) Leakage Boundary (spatial)

Heat Exchanger (Feedwater Heater) Leakage Boundary (spatial)

Heat Exchanger (Gland Steam Condenser - Leakage Boundary (spatial)

Head)

Heat Exchanger (Gland Steam Condenser - Leakage Boundary (spatial)

Shell)

Heat Exchanger (Heaters Drain Cooler - Head) Leakage Boundary (spatial)

Heat Exchanger (Heaters Drain Cooler - Shell) Leakage Boundary (spatial)

Heat Exchanger (Hydrogen Cooler - Head) Leakage Boundary (spatial)

Heat Exchanger (Hydrogen Cooler - Shell) Leakage Boundary (spatial)

Heat Exchanger (SJAE Aftercondenser - Leakage Boundary (spatial)

Head)

Heat Exchanger (SJAE Aftercondenser - Shell) Leakage Boundary (spatial)

Heat Exchanger (SJAE Intercondenser - Leakage Boundary (spatial)

Head)

Heat Exchanger (SJAE Intercondenser - Shell) Leakage Boundary (spatial)

Heat Exchanger (Stator Coil Cooler - Head) Leakage Boundary (spatial)

Heat Exchanger (Stator Coil Cooler - Shell) Leakage Boundary (spatial)

Orifice Leakage Boundary (spatial)

Pulsation Dampener Leakage Boundary (spatial)

Strainer Leakage Boundary (spatial)

Tank Leakage Boundary (spatial)

Trap Leakage Boundary (spatial)

Tubing Leakage Boundary (spatial)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 28 of 80 Table 3.3.1 Summary of Aling Management Evaluations in Chapter VII of NUREG-1801 for Auxiliary Systems Item Component Type Aging Effect I Mechanism Aging Management Further Discussion Number Program Evaluation I Recommended 3.3.1.80 Stainless steel and Loss of material due to pitting, Open-Cycle Cooling Water No Consistent with NUREG-copper alloy piping, crevice, and microbiologically System (B2.1.9) 1801 for material, piping components, influenced corrosion environment, and aging and piping elements effect, but a different aging exposed to raw water management program Inspection of Internal Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22) is credited. Not applieable-DCPP has no in'cope stainlcss steel and coppet alloy piping, iping elements expsdtra wtr inthe emergency diesl geneFratFr system, o the applicable NUREG 1801 lines were not used.

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 29 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Closure Bolting LBS,-SIA Carbon Steel Plant Indoor Air Loss of material Bolting Integrity (B2.1.7) VIII.H-4 3.4.1.22 B (Ext)

Closure Bolting LBS Carbon Steel Plant Indoor Air Loss of preload Bolting Integrity (B2.1.7) VIII.H-5 3.4.1.22 B (Ext)

Demineralizer LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VII.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2. 1.10)

Demineralizer LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Expansion LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Joint Steel (Ext)

Expansion LBS Stainless Secondary Water Loss of material Water Chemistry VIII.C-1 3.4.1.16 A Joint Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Expansion LBS Stainless Secondary Water Cracking Water Chemistry VIII.C-2 3.4.1.14 A Joint Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Filter LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VII.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2.1.10)

Filter LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B (B2.1.23) and One-Time Inspection (B2.1.16)

Filter LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Filter LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII. E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2. .10)

Filter LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 30 of 80 agement Evaluation - Miscellaneous Systems in scope inagement NUREG- Table I Item Notes Pro gram 1801 Vol.

2 Item

! I =

Lubricating Oil Analysis VIII.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Filter LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Flow Element LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VII.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2.1.10)

Flow Element LBS Carbon Steel Dry Gas (Int) None None VII1.1-15 3.4.1.44 A Flow Element LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B (B2.1.23) and One-Time Inspection (B2.1.16)

Flow Element LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Flow Element LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2.1.10)

Flow Element LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Flow Element LBS Stainless Dry Gas (Int) None None VII1.1-12 3.4.1.44 A Steel Flow Element LBS Stainless Plant Indoor Air None None VIII.l-10 3.4.1.41 A Steel (Ext)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 31 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment AgIng Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

TManagement 2 Item Flow Element LBS Stainless Secondary Water Loss of material Water Chemistry VIII.C-1 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Stainless Secondary Water Cracking Water Chemistry VIII.C-2 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Flow Indicator LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Glass Plant Indoor Air None None VIII.I-5 3.4.1.40 A (Ext)

Flow Indicator LBS Glass Secondary Water None None VIII.I-8 3.4.1.40 A (Int)

Flow Indicator LBS Stainless Plant Indoor Air None None VII.J-15 3.3.1.94 A Steel (Ext)

Flow Indicator LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Flow Indicator LBS Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 32 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation- Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4 (a)(2) (Continued)

Component Intended IMaterial Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Flow Indicator LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Heat LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VIII.A-1 3.4.1.24 B Exchanger (Air Cooling Water (Int) Water System (B2.1.10)

Side Seal Oil Cooler)

Heat LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B Exchanger (Air (B2.1.23) and One-Time Side Seal Oil Inspection (B2.1.16)

Cooler)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B

Exchanger (Air (Ext) Monitoring Program Side Seal Oil (B2.1.20)

Cooler)

Heat LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 D Exchanger (Air Cooling Water Water System (B2.1.10)

Side Seal Oil (Ext)

Cooler)

Heat LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 D Exchanger (Air Cooling Water (Int) Water System (B2.1.10)

Side Seal Oil Cooler)

Heat LBS Copper Alloy Lubricating Oil Loss of material Lubricating Oil Analysis VIII.A-3 3.4.1.18 B Exchanger (Air (Ext) (B2.1.23) and One-Time Side Seal Oil Inspection (B2.1.16)

Cooler)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 33 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scone ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Noe Type Function Requiring Program 1801 Vol.

IManagement 2 Item Heat LBS Copper Alloy Lubricating Oil (lnt) Loss of material Lubricating Oil Analysis Vlll.A-3 3.4.1.18 B Exchanger (Air (B2.1.23) and One-Time Side Seal Oil Inspection (B2.1.16)

Cooler)

Heat LBS Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Exchanger (Gas Dryer Water Gas)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Gas Dryer (B2.1.20)

Water Gas)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Ext) (B2.1.2) and One-Time (Gas Dryer Inspection (B2.1.16)

Water Gas)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Gas Dryer Inspection (B2.1.16)

Water Gas)

Heat LBS Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Exchanger (Gas Dryer)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Gas Dryer) (B2.1,20)

Heat LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VIII.A-1 3.4.1.24 B Exchanger (H2 Cooling Water (Int) Water System (B2.1.10)

Side Seal Oil Cooler)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 34 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation- Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table 1 Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Heat LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B Exchanger (H2 (B2.1.23) and One-Time Side Seal Oil Inspection (B2.1.16)

Cooler)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (H2 (Ext) Monitoring Program Side Seal Oil (B2.1.20)

Cooler)

Heat LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 D Exchanger (H2 Cooling Water Water System (B2.1.10)

Side Seal Oil (Ext)

Cooler)

Heat LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 D Exchanger (H2 Cooling Water (Int) Water System (B2.1.10)

Side Seal Oil Cooler)

Heat LBS Copper Alloy Lubricating Oil Loss of material Lubricating Oil Analysis VIII.A-3 3.4.1.18 B Exchanger (H2 (Ext) (B2.1.23) and One-Time Side Seal Oil Inspection (B2.1.16)

Cooler)

Heat LBS Copper Alloy Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-3 3.4.1.18 B Exchanger (H2 (B2.1.23) and One-Time Side Seal Oil Inspection (B2.1.16)

Cooler)

Heat LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VIII.A-1 3.4.1.24 B Exchanger Cooling Water (Int) Water System (B2.1.10)

(Stator CIg 02 Cooler)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 35 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4 (a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging manage Type Function Requiring Program Management ! I Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces 3.4.1.28 Exchanger (Ext) Monitoring Program (Stator CIg 02 (B2.1.20)

Cooler)

Heat LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 D Exchanger Cooling Water Water System (B2.1.10)

(Stator CIg 02 (Ext)

Cooler)

Heat LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 D Exchanger Cooling Water (Int) Water System (B2.1.10)

(Stator CIg 02 Cooler)

Orifice LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VI1.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2. 1.10)

Orifice LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B (B2.1.23) and One-Time Inspection (B2.1.16)

Orifice LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Orifice LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2.1.10)

Orifice LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Orifice LBS Stainless Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 36 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Water Chemistry Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Secondary Water Cracking Water Chemistry VIII.C-2 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Piping LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Piping LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.B1-7 3.4.1.30 B (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Piping LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.C-7 3.4.1.0440 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.11.16)

Piping LBS Carbon Steel Secondary Water Wall thinning Flow-Accelerated VIII.E-35 3.4.1.29 B (Int) Corrosion (B2.1.6)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 37 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4 (a)(2) (Continued)

Component Intended Material Evironment Aging Effect Aging Management NUREG- Table 1 Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Piping LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Steam (Int) Wall thinning Flow-Accelerated VIII.A-17 3.4.1.29 B Corrosion (B2.1.6)

Piping LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.C-4 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Steam (Int) Wall thinning Flow-Accelerated VIII.C-5 3.4.1.29 B Corrosion (B2.1.6)

Piping LBS Nickel Alloys Plant Indoor Air None None VIII.I-9 3.4.1.41 A (Ext)

Piping LBS Nickel Alloys Steam (Int) Loss of material Water Chemistry VIII.B1-1 3.4.1.37 E, 4 (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2. 1.10)

Piping LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Piping LBS Stainless Dry Gas (Int) None None VIII.1-12 3.4.1.44 A Steel Piping LBS Stainless Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Piping LBS Stainless Secondary Water Loss of material Water Chemistry VIII.C-1 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 38 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Type Function Piping LBS Stainless Secondary Water Cracking Water Chemistry VIII.C-2 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS, SIA Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Pump LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B (B2.1.23) and One-Time Inspection (B2.1.16)

Pump LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Pump LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.C-7 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Pump LBS Stainless Closed Cycle Loss of rr aterial Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2.1.10)

Pump LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Pump LBS Stainless Lubricating Oil (Int) Loss of rr aterial Lubricating Oil Analysis VIII.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Pump LBS Stainless Plant Indoor Air None None VIII.l-10 3.4.1.41 A Steel (Ext)

Regulators LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VII.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2.1.10)

Regulators LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 39 of 80 Table 3.3.2-1 8 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4 (a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Rupture Disc LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 (Ext) Monitoring Program (B2.1.20)

Rupture Disc LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.C-7 3.4.1.04 (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 (B2.1.23) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 (Ext) Monitoring Program (B2.1.20)

Secondary Water Sight Gauge LBS Carbon Steel Loss of material Water Chemistry VIII.B1-1 1 3.4.1.04 (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Glass Lubricating Oil (Int) None None VIII. 1-6 3.4.1.40 Sight Gauge LBS Glass Plant Indoor Air None None VIII. 1-5 3.4.1.40 (Ext)

Sight Gauge LBS Stainless Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-9 3.4.1.19 Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 Steel (Ext) _

Sight Gauge LBS Stainless Secondary Water Loss of material Water Chemistry VIII.B1-4 3.4.1.16 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Stainless Secondary Water Cracking Water Chemistry VIII.1B31-5 3.4.1.14 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.116)_

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 40 of 80 Table 3.3.2- 18 Auxiliary Systems - Summary of Aging Management Evaluation- Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Strainer LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Strainer LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Stainless Steam (Int) VIII.A-12 3.4.1.37 E, 4 Strainer LBS Loss of material Water Chemistry Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Tank LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VII.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2.1.10)

Tank LBS Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Tank LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 D (B2.1.23) and One-Time Inspection (B2.1.16)

Tank LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Tank LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.Bi1-7 3.4.1.30 D (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Tank LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.B1-7 3.4.1.30 B (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 41 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Tank LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.C-7 3.4.1.04 C (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Tank LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 C (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Tank LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 D Steel Cooling Water (Int) Water System (B2.1.10)

Tank LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 D Steel Cooling Water (Int) Water System (B2.1.10)

Tank LBS Stainless Dry Gas (Int) None None VIII.1-12 3.4.1.44 C Steel Tank LBS Stainless Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Tank LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 C Steel (Ext)

Test LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Connection (Ext) Monitoring Program (B2.1.20)

Test LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.C-7 3.4.1.04 A Connection (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Test LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.C-4 3.4.1.02 A Connection (B2.1.2) and One-Time Inspection (B2.1.16)

Thermowell LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2.1.10)

Thermowell LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 42 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation- Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table- 1 Item Notes Type Function Requiring Program 1801 Vol.

I L Management 2 Item Thermowell LBS Stainless Dry Gas (Int) None None VIII.l-12 3.4.1.44 A Steel Thermowell LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Trap LBS Carbon Steel Dry Gas (Int) None None VII1.1-15 3.4.1.44 A Trap LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Trap LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.C-4 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Stainless Dry Gas (Int) None None VII1.1-12 3.4.1.44 A Steel Trap LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Trap LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VII.C2-14 3.3.1.47 B Cooling Water (Int) Water System (B2.1.10)

Tubing LBS Carbon Steel Dry Gas (Int) None None VII1.1-15 3.4.1.44 A Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 43 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Tubing LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B (B2.1.23) and One-Time Inspection (B2.1.16)

Tubing LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Tubing LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2.1.10)

Tubing LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2.1.10)

Tubing LBS Stainless Dry Gas (Int) None None VIII.1-12 3.4.1.44 A Steel Tubing LBS Stainless Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VI II.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Tubing LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Enclosure 1 Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 44 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect~ Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Tubing LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Valve LBS Carbon Steel Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-14 3.4.1.07 B (B2.1.23) and One-Time Inspection (B2.1.16)

Valve LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Valve LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.Bi1-7 3.4.1.30 B (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Valve LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.C-7 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 45 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation - Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Water Chemistry VIII.C-4 (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 B Cooling Water (Int) Water System (B2.1.10)

Valve LBS Copper Alloy Dry Gas (Int) None None VIII.I-3 3.4.1.44 A Valve LBS Copper Alloy Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-3 3.4.1.18 B (B2.1.23) and One-Time Inspection (B2.1.16)

Valve LBS Copper Alloy Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-16 3.4.1.26 B

(> 15% Zinc) Cooling Water (Int) Water System (B2.1.10)

Valve LBS Copper Alloy Closed Cycle Loss of material Selective Leaching of VIII.E-19 3.4.1.35 A

(> 15% Zinc) Cooling Water (Int) Materials (B2.1.17)

Valve LBS Copper Alloy Dry Gas (Int) None None VIII.I-3 3.4.1.44 A

(> 15% Zinc)

Valve LBS Copper Alloy Plant Indoor Air None None VIII.I-2 3.4.1.41 A

(> 15% Zinc) (Ext)

Valve LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-24 3.4.1.25 B Steel Cooling Water (Int) Water System (B2.1.10)

Valve LBS Stainless Closed Cycle Cracking Closed-Cycle Cooling VIII.E-25 3.4.1.23 B Steel Cooling Water (Int) Water System (B2. 1.10)

Valve LBS Stainless Dry Gas (Int) None None VIII.1-12 3.4.1.44 A Steel Valve LBS Stainless Lubricating Oil (Int) Loss of material Lubricating Oil Analysis VIII.A-9 3.4.1.19 B Steel (B2.1.23) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Section 3.3 PG&E Letter DCL-10-091 AGING MANAGEMENT OF AUXILIARY SYSTEMS Page 46 of 80 Table 3.3.2-18 Auxiliary Systems - Summary of Aging Management Evaluation- Miscellaneous Systems in scope ONLY for Criterion 10 CFR 54.4(a)(2) (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table 1 ItemMNotes Type Function Requiring Program 1801 Vol.

Managemen 2 Item Valve LBS Stainless Secondary Water Loss of material Water Chemistry VIII.C-1 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Secondary Water Cracking Water Chemistry VIII.C-2 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 47 of 80 POWER CONVERSION SYSTEM Table 3.4.1 Summary of Aging Management Evaluationsin ChapterVIII of NUREG-1801 for Steam and Power Conversion System Item Component Type Aging Effect / Mechanism Aging Management Further Discussion Number Program Evaluation Recommended 3 4 1 19 Stainless steel ninino Loss of material due to Dittina. Lubricatina Oil Analvsis Yes Consistent with NUREG-piping components, crevice, and microbiologically- (B2.1.23) and One-Time 1801 with aging piping elements, and influenced corrosion Inspection (82.1.16) management program heat exchanger exceptions. **The aging components exposed management program(s) to lubricating oil with exceptions to NUREG-1801 include: Lubricating Oil Analysis (B2.1.23) **See further evaluation in subsection 3.4.2.2.8. Not applicable. DCPP has no'i scope stainless steel components exposed to lubee Gil in the steam and power ccnvcrsion systems, so the applicable NI IREG 1801 lines were not used.

See further evaluation in Section 3.4.2.2.8.

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 48 of 80 POWER CONVERSION SYSTEM Table 3.4.1 Summary of Aging Management Evaluationsin Chapter VIII of NUREG-1801 for Steam and Power Conversion System (Continued)

Item Component Type Aging Effect, Mechanism ging Management Further Discussion Number Program Evaluation Recommended 3.4.1.23 Stainless steel piping, Cracking due to stress Closed-Cycle Cooling Water No Consistent with NUREG-piping components, corrosion cracking System (B2.1.10) 1801 with aging and piping elements management program exposed to closed- exceptions. **The aging cycle cooling water management program(s)

>60 0 C (>140 0 F) with exceptions to NUREG-1801 include: Closed-Cycle Cooling Water System (B2.1.10) Net-appliable-DCPP has no in scope components,orpin

............ - L]* .... . ........ -i{ l[-ut]

cGcl coln 'ate >60 0C (Io 0F), so the applicable NUREG 1801 line Was not used.

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 49 of 80 POWER CONVERSION SYSTEM Table 3.4.1 Summary of Aging Management Evaluationsin Chapter VIII of NUREG-1801 for Steam and Power Conversion System (Continued)

Item Component Type Aging Effect / Mechanism Aging Management Further Discussion Number Program Evaluation Recommended 3.4.1.24 Steel heat exchanger Loss of material due to Closed-Cycle Cooling Water No Consistent with NUREG-components exposed general, pitting, crevice, and System (B2.1.10) 1801 with aging to closed cycle cooling galvanic corrosion management program water exceptions. **The aging management program(s) with exceptions to NUREG-1801 include: Closed-Cycle Cooling Water System (B2.1.10) Notappli~able-neat cxcnanger comnponent exposed to closed cYcle cooling wateF in the steam and power Govrso systcmns, so the applic~ible used~

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 50 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation - Turbine Steam Supply System Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function IRequiring Program 1801 Vol.

(Et)Management 2Item Expansion LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Joint Steel (Ext)

Expansion LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Joint Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Expansion LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Joint Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS, PB, Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B TH (Ext) Monitoring Program (B2.1.20)

Flow Element LBS, PB, Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A TH (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS, PB, Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 TH Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS, PB, Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 TH Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.11.20)

Flow Indicator LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.D1-8 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 51 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation - Turbine Steam Supplv System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

IManagement 2 Item Flow Indicator LBS Glass Plant Indoor Air None None VIII.I-5 3.4.1.40 A (Ext)

Flow Indicator LBS Glass Secondary Water None None VIII.I-8 3.4.1.40 A (Int)

Flow Indicator LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Flow Indicator LBS Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Heat LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Exchanger Steel (B2.1.2) and One-Time (Sample Inspection (B2.1.16)

Cooler)

Heat LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Exchanger Steel (B2.1.2) and One-Time (Sample Inspection (B2.1.16)

Cooler)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Steam (B2.1.20)

Generator Blowdown)

Heat LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A Exchanger (B2.1.2) and One-Time (Steam Inspection (B2.1.16)

Generator Blowdown)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 52 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation- Turbine Steam Supply System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item N otes Type Function Requiring Program 1801 Vol.

Management 2 Item Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 D Exchanger (Ext) Monitoring Program (Turbine Bldg) (B2.1.20)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.B1-11 3.4.1.04 C Exchanger (Int) (B2.1.2) and One-Time (Turbine Bldg) Inspection (B2.1.16)

Heat LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A Exchanger (B2.1.2) and One-Time (Turbine Bldg) Inspection (B2.1.16)

Orifice LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Orifice LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Stainless Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Orifice LBS Steam (Int)

Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Nickel Alloys Plant Indoor Air None None VIII.1-9 3.4.1.41 A (Ext)

Piping LBS Nickel Alloys Steam (Int) Loss of material Water Chemistry VIII.B1-1 3.4.1.37 E, 4 (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Plant Indoor Air None None None None G Steel (Int)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 53 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation- Turbine Steam Supply System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

TManagement 2 Item Piping LBS Stainless Steam (Int) Cracking Water Chemistry VIll.A-la 3.4.1.39 E,4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Sight Gauge LBS Carbon Steel Sodium Hydroxide Loss of material Water Chemistry None None G (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Sight Gauge LBS Carbon Steel Sulfuric Acid (Int) Loss of material Inspection of Internal None None G Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Sight Gauge LBS Glass Plant Indoor Air None None VIII.I-5 3.4.1.40 A (Ext)

Sight Gauge LBS Glass Sodium Hydroxide Loss of material Inspection of Internal None None G (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1 .22)

Sight Gauge LBS Glass Sulfuric Acid (Int) None None None None G Strainer FIL, LBS, Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B PB (Ext) Monitoring Program (B2.1.20)

Section 3.4 PG&E Letter DCL-1 0-091 AGING MANAGEMENT OF STEAM AND Page 54 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation - Turbine Steam Supply System (Continued)

Component Intended Material Environment [ Aging Effect Aging Management NUREG- Table I Item Notes Type Function " Requiring Program 1801 Vol.

gManagement 2 Item Strainer LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (82.1.16)

Tank LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.B1-7 3.4.1.30 D (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Tank LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Test pa Stainless Plant !ndoer Air None NOee VHU-i- 3.4.1-44 A GOR~e~tIG Stee4 (F*t)

Test P8 Stainless SeGG~dawy WateF Loss of meriae WateiF-Ghernistfy VIW-.-DI 4 .4. 6 A

Gne~eto Steel (82.1.2) and One Time Inspection (12.1.16)

Test P9 Stainless Water Ghemistry VIII.A410 3.4.1.39 E-ý-4 Genineotio Steel (B2.1.2) and One Time Steam (nt Inspection (82.1.16)

P9 Stainless V11 -142 3A.-1.37 Test Loss of material WN he msry GGRe~neie Steel (92.1.2) and One Time Inspection (82.1.16)

Trap LBS Carbon Steel Atmosphere/ Loss of material External Surfaces VIII.H-8 3.4.1.28 B Weather (Ext) Monitoring Program (132.1.20)

Trap LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (832.1.2) and One-Time Inspection (832.1.16)

Trap LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 55 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and PowerConversion System - Summary of Aging Management Evaluation - Turbine Steam Supply System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function lmRequiring Program 1801 Vol.

IManagement 2Item Trap LBS Stainless Steam (Int) Cracking Water Chemistry Vill.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Turbine LBS, PB Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Turbine LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 C (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS, PB, Carbon Steel Atmosphere/ Loss of material External Surfaces VIII.H-8 3.4.1.28 B SIA Weather (Ext) Monitoring Program (B2.1.20)

Valve LBS, PB Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Valve LBS Copper Alloy Plant Indoor Air None None VIII.I-2 3.4.1.41 A (Ext)

Valve LBS Copper Alloy Secondary Water Loss of material Water Chemistry VIII.A-5 3.4.1.15 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Dry Gas (Int) None None VIII.1-12 3.4.1.44 A Steel Valve LBS Stainless Plant Indoor Air None None None None G Steel (Int)

Valve LBS, PB, Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 SIA Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 56 of 80 POWER CONVERSION SYSTEM Table 3.4.2-1 Steam and Power Conversion System - Summary of Aging Management Evaluation- Turbine Steam LBS, PB, Stainless Steam (Int) Loss of material Water Chemistry SIA Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 57 of 80 POWER CONVERSION SYSTEM Table 3.4.2-2 Steam and Power Conversion System - Summary of Aging Management Evaluation- Auxiliary Steam Steel (Ext)

Heat LBS, SIA, Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VIII.G-5 3.4.1.243-_Z4 B Exchanger SS Cooling Water (Int) Water System (B2.1.10y V 48

-F29 (Aux Steam Drain Rec Vent Cond)

Meat Wall thining F=o Acccleratcd V!!.B -1 3.4.1.2 B LBSSA abRSe Sta I) Corrosion (132. 1.6)

Heat External Surfaces VIII.H-7 3.4.1.28 B LBS Carbon Steel Plant Indoor Air Loss of material Exchanger Monitoring Program (Ext)

(CO2 (B2.1.20)

Vaporizer)

Heat Water Chemistry VIII.B1-8 3.4.1.37 E, 6 LBS Carbon Steel Steam (Int) Loss of material Exchanger (B2.1.2) and One-Time (C02 Inspection (B2.1.16)

Vaporizer)

Heat Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger LBS Carbon Steel Plant Indoor Air (Ext) Monitoring Program (Reboiler) (B2.1.20)

Heat Water Chemistry VIII.B1-8 3.4.1.37 E, 6 LBS Carbon Steel Steam (Int) Loss of material Exchanger (B2.1.2) and One-Time (Reboiler) Inspection (B2.1.16)

Heater External Surfaces VIII.H-7 3.4.1.28 B LBS Carbon Steel Plant Indoor Air Loss of material (Ext) Monitoring Program (B2.1.20)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 58 of 80 POWER CONVERSION SYSTEM Table 3.4.2-2 Steam and Power Conversion System - Summary of Aging Management Evaluation - Auxiliary Steam System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table 1 Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Heater LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.B1-8 3.4.1.37 E, 6 (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS, SIA Carbon Steel Atmosphere/ Loss of material External Surfaces VIII.H-8 3.4.1.28 B Weather (Ext) Monitoring Program (82.1.20)

P*"9 LBs Ga~bon-~e Demniner-alized Loss of material Water-Ghemis" VI1.91 11 3.4.1. A (132.1.2) and Onc Time inspection (B2.1.16)

Piping LBS, SIA Carbon Steel Secondary Water Loss of material Water Chemistry VIII.B1-11 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (82.1.16)

Piping LBS, SIA Carbon Steel Secondary Water Wall thinning Flow-Accelerated VIII.G-39 3.4.1.29 B (Int) Corrosion (82.1.6)

Piping LBS Stainless Raw Water (Int) Loss of material Inspection of Internal VII.H2-18 3.3.1.8014 E, 5 Steel Surfaces in VIWI.G 30 -

Miscellaneous Piping and Ducting Components (82.1.22)

Piping LBS Stainless Secondary Water Loss of material Water Chemistry VIII.B1-4 3.4.1.16 EA Steel (Int) (B2.1.2) and One-Time Inspection (82.1.16)

Inspection of Internal Miscellaneous Piping and Duoting Components (132.1.ý22)

L-BS Stainless Stearn ({tn Gae hemistj steeI (82.1.2) and Ono Time In!spection (132.1.46)

Section 3.4 PG&E Letter DC L-10-091 AGING MANAGEMENT OF STEAM AND Page 59 of 80 POWER CONVERSION SYSTEM Table 3.4.2-2 Steam and Power Conversion System - Summary of Aging Management Evaluation - Auxiliary Steam System (Continued)

Aging Management Program w

Stailn~ess Loss of material Water Ghemistry Steel (B2.1.2) and One Time Inspection (B2.1.16)

Pump LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.G-38 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Strainer LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.1B1-8 3.4.1.37 E, 6 (B2.1.2) and One-Time Inspection (B2.1.16)

Test LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.1B1-8 3.4.1.37 E, 6 Connection (B32.1.2) and One-Time Inspection (B32.1.16)

Valve LBS Cast Iron Plant Indoor Air Loss of material External Surfaces None None G (Gray Cast (Ext) Monitoring Program Iron) (B2.1.20)

Valve LBS Cast Iron Secondary Water Loss of material Selective Leaching of VIII.G-26 3.4.1.36 A (Gray Cast (Int) Materials (B2.1.17)

Iron)

Nene Noem V1w -a A Valve LBS Copper A44y Dry*Gas,(n/. 3.4.1.44 (Aluinnum->

Valve LBS Stainless Secondary Water Loss of material Water Chemistry VIII.B1-4 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 60 of 80 POWER CONVERSION SYSTEM Notes for Table 3.4.2-2:

Standard Notes:

r I,*+

/", , + ;+L, Kit*-.IDr"t2- 4-10 n,. f;+ .- ,+ l nnwhrr'nn mnt and aging effect. AMP takes some eXceptions to NUREG 1801 AMP.

G Environment not in NUREG-1801 for this component and material.

H Aging effect not in NUREG-1 801 for this component, material and environment combination.

Plant Specific Notes:

1 The Loss of Preload aging effect is not identified in NUREG-1 801 for this component, material, and environment combination. Loss of preload is managed by the Bolting Integrity (B2.1.7) AIMP..ompon.nt is abandoned in place; thus the Wate Qhemist, ' aging mnanaaement Droa-ram. does not am)ly.

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 61 of 80 POWER CONVERSION SYSTEM Table 3.4.2-3 Steam and Power Conversion System - Summary of Aging Management Evaluation - Feedwater System Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item I Filter LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 (Ext) Monitoring Program (B2.1.20)

Filter LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.D1-8 3.4.1.04 (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Filter LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 Steel (Ext)

Filter LBS Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Filter LBS Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS, PB, Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 TH (Ext) Monitoring Program (B2.1.20)

Flow Element LBS, PB, Carbon Steel Secondary Water Loss of material Water Chemistry VIII.D1-8 3.4.1.04 TH (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

LBS, PB, Stainless Flow Element Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 TH Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Heat LBS, SIA Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 1 Exchanger (Ext) Monitoring Program (Feedwater (B2.1.20)

Heater)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 62 of 80 POWER CONVERSION SYSTEM Table 3.4.2-3 Steam and Power Conversion System - Summary of Aging Management Evaluation- Feedwater Heat LBS, SIA Carbon Steel Secondary Water Loss of material Water Chemistry Exchanger (Int) (B2.1.2) and One-Time (Feedwater Inspection (B2.1.16)

Heater)

Heat LBS Stainless Closed Cycle Loss of material Closed-Cycle Cooling VIII.G-2 3.4.1.25 Exchanger Steel Cooling Water (Int) Water System (B2.1.10O (Sample Cooler)

Heat LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 Exchanger Steel (Ext)

(Sample Cooler)

Orifice LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 Steel (Ext)

Orifice LBS Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 Steel (Ext)

Piping LBS Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 63 of 80 POWER CONVERSION SYSTEM Table 3.4.2-3 Steam and Power Conversion System - Summary of Aging Management Evaluation- Feedwater External Surfaces (Ext) Monitoring Program (B2.1.20)

Pump LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.D1-8 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Pump LBS, SIA Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel Cast (Ext)

Austenitic Pump LBS, SIA Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 A Steel Cast (Int) (B2.1.2) and One-Time Austenitic Inspection (B2.1.16)

Pump LBS, SIA Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 A Steel Cast (Int) (B2.1.2) and One-Time Austenitic Inspection (B2.1.16)

Valve LBS, PB Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Valve LBS, PB Stainless Secondary Water Loss of material Water Chemistry VIII.D1-4 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS, PB Stainless Secondary Water Cracking Water Chemistry VIII.D1-5 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DC L-10-091 AGING MANAGEMENT OF STEAM AND Page 64 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate Svstem ing Managei Requiring Program 1801 Vol.

lanagement 2 Item Closure Bolting LBS Stainless Plant Indoor Air Loss of preload Bolting Integrity (B2.1.7) None Steel (Ext)

Demineralizer LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Demineralizer LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.G-34 3.4.1.30 D (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Demineralizer LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Ejector LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Ejector LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Ejector LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Ejector LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Ejector LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Filter LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 65 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate System (Continued)

Loss of material Water Chemistry VIII. E-34 3.4.1.04 (Int) (B2.1.2) and One-Time Inspection (B2.1,16)

Filter LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Filter LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Filter LBS Stainless Secondary Water Cracking Water Chemistry VIII. E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flexible Hoses LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Flexible Hoses LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flexible Hoses LBS Stainless Secondary Water Cracking Water Chemistry VIII. E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Flow Element LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 66 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation- Condensate g Management NUREG- Table I Item Notes Program 1801 Vol.

2 Item Flow Element LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Element LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Flow Indicator LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Glass Plant Indoor Air None None VIII.I-5 3.4.1.40 A (Ext)

Flow Indicator LBS Glass Secondary Water None None VIII.I-8 3,4.1.40 A (Int)

Flow Indicator LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Flow Indicator LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Flow Indicator LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Caustic (B2.1.20)

Dilution Hx -

Shell)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 67 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate Water Chemistry Exchanger (B2.1.2) and One-Time (Caustic Inspection (B2.1.16)

Dilution Hx -

Shell)

Heat LBS Copper Alloy Secondary Water Loss of material Water Chemistry VIII.A-5 3.4.1.15 C Exchanger (Ext) (B2.1.2) and One-Time (Caustic Inspection (B2.1.16)

Dilution Hx -

Tubesheet)

Heat LBS Copper Alloy Steam (Int) Loss of material Water Chemistry VIII.A-5 3.4.1.15 C Exchanger (B2.1.2) and One-Time (Caustic Inspection (B2.1.16)

Dilution Hx -

Tubesheet)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Condensate (B2.11.20)

Cooler - Shell)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Condensate Inspection (B2.1.16)

Cooler - Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Feedwater (B2.1.20)

Heater - Head)

Section 3.4 PG&E Letter DCL-1 0-091 AGING MANAGEMENT OF STEAM AND Page 68 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry Exchanger (Int) (B2.1.2) and One-Time (Feedwater Inspection (B2.1.16)

Heater - Head)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Feedwater (B2.1.20)

Heater - Shell)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Feedwater Inspection (B2.1.16)

Heater - Shell)

Heat LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A Exchanger (B2.1.2) and One-Time (Feedwater Inspection (B2.1.16)

Heater - Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Gland Steam (B2.1.20)

Condenser -

Head)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Gland Steam Inspection (B2.1.16)

Condenser -

Head)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 69 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and PowerConversion System - Summary of Aging Management Evaluation - Condensate System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table 1 Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Itemn Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Gland Steam (B2.1.20)

Condenser -

Shell)

Heat LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A Exchanger (B2.1.2) and One-Time (Gland Steam Inspection (B2.1.16)

Condenser -

Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Heaters Drain (B2.1.20)

Cooler - Head)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Heaters Drain Inspection (B2.1.16)

Cooler - Head)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Heaters Drain (B2.1.20)

Cooler - Shell)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Heaters Drain Inspection (B2.1.16)

Cooler - Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Hydrogen (B2.1.20)

Cooler - Head)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 70 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Hydrogen Inspection (B2.1.16)

Cooler - Head)

Heat LBS Carbon Steel Dry Gas (Int) None None VIII.1-15 3.4.1.44 A Exchanger (Hydrogen Cooler - Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Hydrogen (B2.1.20)

Cooler - Shell)

Heat PB, SIA Carbon Steel Secondary Water Loss of material Inspection of Internal VIII.E-37 3.4.1.03 E, 24 Exchanger (Int) Surfaces in (Main Miscellaneous Piping Condenser) and Ducting Components (B2.1.22)

Heat PB, SIA Carbon Steel Steam (Int) Loss of material Inspection of Internal VIII.A-16 3.4.1.02 E, 24-Exchanger Surfaces in (Main Miscellaneous Piping Condenser) and Ducting Components (B2.1.22)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (SJAE (B2.11.20)

Aftercondenser

- Head)

Enclosure 1 Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 71 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (SJAE Inspection (82.1.16)

Aftercondenser

- Head)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (SJAE (82.1.20)

Aftercondenser

- Shell)

Heat LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A Exchanger (B2.1.2) and One-Time (SJAE Inspection (82.1.16)

Aftercondenser

- Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (SJAE (B2.1.20)

Intercondenser

- Head)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (82.1.2) and One-Time (SJAE Inspection (82.1.16)

Intercondenser

- Head)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (SJAE (82.1.20)

Intercondenser

- Shell)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 72 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate Environment Aging Etrect Requiring Management Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry Exchanger (Int) (B2.1.2) and One-Time (SJAE Inspection (B2.1.16)

Intercondenser

- Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Stator Coil (B2.1.20)

Cooler - Head)

Heat LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-37 3.4.1.03 A Exchanger (Int) (B2.1.2) and One-Time (Stator Coil Inspection (B2.1.16)

Cooler - Head)

Heat LBS Carbon Steel Closed Cycle Loss of material Closed-Cycle Cooling VIII.E-5 3.4.1.24 B Exchanger Cooling Water (Int) Water System (B2. 1.10)

(Stator Coil Cooler - Shell)

Heat LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B Exchanger (Ext) Monitoring Program (Stator Coil (B2.1.20)

Cooler - Shell)

Orifice LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Orifice LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 73 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table 1 Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Orifice LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Orifice LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Raw Water (Int) Loss of material Inspection of Internal VIII.G-36 3.4.1.08 E, 32 Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Piping LBS, PB Carbon Steel Secondary Water Loss of material Water Chemistry VIII.E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Secondary Water Wall thinning Flow-Accelerated VIII.E-35 3.4.1.29 B (Int) Corrosion (B2.1.6)

Piping LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Carbon Steel Steam (Int) Wall thinning Flow-Accelerated VIII.A-17 3.4.1.29 B Corrosion (B2.1.6)

Piping LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Steel (Ext)

Piping LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 74 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table 1 Item Notes Type Function Reqnuiring Program 1801 Vol.

Management 2 Item Piping LBS Stainless Steam (lnt) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Piping LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Pulsation LBS Stainless Plant Indoor Air None None VIII.I-10 3.4.1.41 A Dampener Steel (Ext)

Pulsation LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Dampener Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Pulsation LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Dampener Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Pump LBS Carbon Steel Raw Water (Int) Loss of material Inspection of Internal VIII.G-36 3.4.1.08 E, 32 Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Pump LBS Stainless Plant Indoor Air None None VIII1.-10 3.4.1.41 A Steel (Ext)

Pump LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Pump LBS Stainless Secondary Water Cracking Water Chemistry VIII. E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DC L-10-091 AGING MANAGEMENT OF STEAM AND Page 75 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate Svstem (Continued)

Inspection of Internal Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Strainer LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 (Ext) Monitoring Program (B2.1.20)

Strainer LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 (B2.1.2) and One-Time Inspection (B2.1.16)

Tank LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 (Ext) Monitoring Program (B2.1.20)

Tank LBS Carbon Steel Plant Indoor Air Loss of material Inspection of Internal VIII.G-34 3.4.1.30 (Int) Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Tank LBS Carbon Steel Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 (Ext) Monitoring Program (B2.1.20)

Trap LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 Steel (Ext)

Section 3.4 PG&E Letter DC L-1 0-091 AGING MANAGEMENT OF STEAM AND Page 76 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation- Condensate System (Continued)

Trap LBS Stainless Steam (Int) Cracking Water Chemistry Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Trap LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Tubing LBS Stainless Secondary Water Loss of material Water Chemistry VIII. E-29 3.4.1.16 A Steel (Ext) (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Ext) (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-10 3.4.1.39 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Tubing LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS, PB Carbon Steel Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 77 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation - Condensate Monitoring Program Valve LBS Carbon Steel Raw Water (Int) Loss of material Inspection of Internal VIII.G-36 3.4.1.08 E, 32-Surfaces in Miscellaneous Piping and Ducting Components (B2.1.22)

Valve LBS Carbon Steel Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS, PB Cast Iron Plant Indoor Air Loss of material External Surfaces VIII.H-7 3.4.1.28 B (Ext) Monitoring Program (B2.1.20)

Valve LBS, PB Cast Iron Secondary Water Loss of material Water Chemistry VIII. E-34 3.4.1.04 A (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Cast Iron Steam (Int) Loss of material Water Chemistry VIII.A-16 3.4.1.02 A (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS, PB Stainless Plant Indoor Air None None VIII.1-10 3.4.1.41 A Steel (Ext)

Valve LBS, PB Stainless Secondary Water Loss of material Water Chemistry VIII.E-29 3.4.1.16 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Secondary Water Cracking Water Chemistry VIII.E-30 3.4.1.14 A Steel (Int) (B2.1.2) and One-Time Inspection (B2.1.16)

Section 3.4 PG&E Letter DCL-10-091 AGING MANAGEMENT OF STEAM AND Page 78 of 80 POWER CONVERSION SYSTEM Table 3.4.2-4 Steam and Power Conversion System - Summary of Aging Management Evaluation- Condensate System (Continued)

Component Intended Material Environment Aging Effect Aging Management NUREG- Table I Item Notes Type Function Requiring Program 1801 Vol.

Management 2 Item Valve LBS Stainless Steam (Int) Cracking Water Chemistry VIII.A-1Q 3.4.1.39 E,4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Valve LBS Stainless Steam (Int) Loss of material Water Chemistry VIII.A-12 3.4.1.37 E, 4 Steel (B2.1.2) and One-Time Inspection (B2.1.16)

Notes for Table 3.4.2-4:

Standard Notes:

H Aging effect not in NUREG-1 801 for this component, material and environment combination.

Plant Specific Notes:

1 The Loss of Preload aging effect is not identified in NUREG-1801 for this component, material, and environment combination. Loss of preload is managed by the Bolting Integrity (B2.1.7) AMP.

3 The in-scope condensate system components which may have a raw water environment are abandoned-in-place. Thus, the Open-Cycle Cooling Water System aging management program does not apply.

4 The Water Chemistry Program (B2.1.2) and the One-Time Inspection Program (B2.1.16) manages loss of material due to pitting and crevice corrosion and cracking due to stress corrosion cracking. The One-Time Inspection Program (82.1.16) includes selected components at susceptible locations.

Appendix B.

PG&E Letter DCL-10-091 AGING MANAGEMENT PROGRAMS.

Page 79 of 80 B2.1.10 Closed-Cycle Cooling Water System Program Description The closed-cycle cooling water (CCCW) system program manages loss of material, cracking and reduction of heat transfer for components in the closed-cycle cooling wvater systems. The program provides for: (1) preventive measures to minimize corrosion including maintenance of corrosion inhibitor, pH buffering agent, and biocide concentrations, and (2) periodic system and component performance testing and inspection. Preventive measures include the monitoring and control of corrosion inhibitors and other chemical parameters, such as pH, in accordance with the guidelines of EPRI TR-107396, Revision 1 (EPRI 1007820). Periodic inspection and testing to confirm function and monitor corrosion is performed in accordance with EPRI TR-1 07396, Revision 1 (EPRI 1007820), and industry and plant operating experience.

DCPP has four systems within the scope of license renewal that meet the definition for CCCW systems in Generic Letter 89-13 and portions of additional systems (heat exchangers or coolers) that are serviced directly by these systems. These CCCW systems are not subject to significant sources of contamination. The water chemistry is controlled in these systems and heat is not directly rejected to a heat sink.

The CCCW systems in License Renewal scope are:

component cooling water (CCW) system

service cooling water (SCW) system

diesel engine jacket cooling water (DECW) system, a subsystem of the diesel generator system

auxiliary building HVAC system The program maintains water chemistry within the parameter limits specified in plant procedures and consistent with those in EPRI TR-1 07396, Revision 1 (EPRI 1007820), in order to minimize corrosion and microbiological growth. The chemicals added to the CCW and SCW systems are potassium molybdate (iron and aluminum corrosion inhibitor), potassium nitrite (iron corrosion inhibitor),

tolyltriazole (TTA - a copper corrosion inhibitor), potassium tetra borate (buffering), potassium hydroxide (pH control), glutaraldehyde (biocide) and isothiazoline (biocide). The chemicals added to the DECW system are potassium dichromate and potassium hydroxide (corrosion inhibitors). The cooling water system associated with the auxiliary building HVAC system is maintained as a sealed pure water system based on potable water, without additives.

Appendix B PG&E Letter DCL-10-091 AGING MANAGEMENT PROGRAMS Page 80 of 80 The CCCW system program periodically monitors system chemistry to verify it is being maintained in accordance with the guidelines of EPRI TR-1 07396, Revision 1 (EPRI 1007820), with stated exceptions, to minimize corrosion and SCC. In addition, nonchemistry testing and inspection techniques consistent with EPRI TR-1 07396, Revision 1 (EPRI 1007820), are used to confirm the effectiveness of the program.

The CCW pumps are periodically tested to verify pump performance.

Nondestructive examinations are used to verify that the pressure boundary intended function of the CCW heat exchangers is maintained. Periodic performance testing of the CCW heat exchangers is part of the open-cycle cooling water system program (B2.1.9). Diesel engine performance parameters are monitored through periodic surveillance tests. These tests are used to monitor the performance of the DECW system components. Inspections are performed periodically on the in-scope DECW components.

The SCW system, stator cooling water system, and the auxiliary building HVAC system chilled water systems are within the scope of license renewal per 10 CFR 54.4(a)(2) for spatial interaction concerns only. Therefore, the only component intended function applicable to these systems is (a)(2) leakage boundary (spatial). The periodic sampling and maintenance of system chemistry within specified limits are adequate to manage aging before the loss of this intended function.

DCL-10-091, Response to NRC Letter Dated June 18, 2010, Request for Additional Information (High Energy Piping) for License Renewal Application

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DCL-10-091, Response to NRC Letter Dated June 18, 2010, Request for Additional Information (High Energy Piping) for License Renewal Application

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Dear Commissioners and Staff:

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