ML071770460

Procedure AP 05-005, Rev. 11A, Design, Implementation & Configuration Control of Modifications

ML071770460
Person / Time
Site:	Wolf Creek
Issue date:	07/12/2006
From:	Wolf Creek
To:	Office of Nuclear Reactor Regulation
References
ET 07-0022 AP 05-005, Rev. 11A
Download: ML071770460 (50)

Text

Enclosure 8 to ET 07-0022 WCNOC Procedure AP 05-005, "Design, Implementation & Configuration Control of Modifications"

W,.. L..F CREEK "NUCLEAR OPERATING CORPORATION AP 05-005

DESIGN, IMPLEMENTATION & CONFIGURATION CONTROL OF MODIFICATIONS Responsible Manager Manager Design Engineering Revision Number 11A Use Category Reference Administrative Controls Procedure Yes Management Oversight Evolution No Program Number 05 DC38 7/12/2006

Revision: 11A

DESIGN, IMPLEMENTATION AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 1 of 48 TABLE OF CONTENTS SECTION TITLE PAGE 1.0 PURPOSE 2

2.0 SCOPE 2

3.0 REFERENCES

AND COMMITMENTS 2

4.0 DEFINITIONS 4

5.0 RESPONSIBILITIES 9

6.0 PROCEDURE 13 7.0 RECORDS 35 8.0 FORMS 35 ATTACHMENT A ENGINEERING CHANGE PROCESS FLOWCHART 36 ATTACHMENT B HARDWARE CHANGE FOR CONTROLLED SSC'S 37 ATTACHMENT C

DOCUMENT CHANGE FOR CONTROLLED SSC'S 38 ATTACHMENT D CONTROLLED / NON-CONTROLLED SSC'S 39

Revision: 11A

DESIGN, IMPLEMENTATION &

AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 2 of 48 1.0 PURPOSE 1.1 This document describes the program used by Wolf Creek Nuclear Operating Corporation for the design and implementation of modifications to controlled and non-controlled Structures Systems and/or Components (SSCs).

2.0 SCOPE 2.1 This document addresses:

2.1.1 Permanent engineering changes to controlled SSCs.

2.1.2 Permanent changes to non-controlled SSCs, which do not impact the safe and reliable operation of WCGS.

2.2 STARS (Strategic Teaming and Resource Sharing) design change procedures and associated forms may be used as an alternate means of documenting engineering change.

The following STARS procedures, and associated forms, are approved for use.

2.2.1 STARS-ENG-5000, Engineering Configuration Management Program, revision 001 2.2.2 STARS-ENG-5001, Engineering Change Packages, revision 001 2.2.3 STARS-ENG-5003, Commercial Change, revision 000 2.3 Use of the STARS procedures for design and configuration change activities at Wolf Creek is a qualifying activity and as such these STARS procedures cannot be used if they are not incorporated into the applicable WCNOC qualification standard.

2.4 STARS procedures shall not be used for WCNOC IR' Repair/Alteration Program activities.

3.0 REFERENCES

AND COMMITMENTS 3.1 References 3.1.1 AP 05-001, Change Package Planning and Implementation 3.1.2 AP 05A-001, Design Inputs 3.1.3 AP 05F-001, Design Verification 3.1'.4 AP 05-002, Dispositions and Change Packages 3.1.5 AP 05-003, Design Document Change Notice 3.1.6 AP 05-007, Determination of Safety Classification

Revision: 11A

DESIGN, IMPLEMENTATION &

AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 3 of 48 3.1.7 AP 15A-003, Records 3.1.8 AP 15A-006, Release, Control and Distribution of Change Packages 3.1.9 AP 16C-006, MPAC Work Request/Work Order Process Controls 3.1.10 AP 211-001, Temporary Modifications 3.1.11 AP 22D-001, Refueling Outage Planning and Implementation 3.1.12 AP 24-002, Requisition And Procurement Process 3.1.13 AP 26A-003, 10 CFR 50.59 Reviews 3.1.14 AP 27-004, Controlling Safeguards Information 3.1.15 AP 28A-001, Performance Improvement Requests 3.1.16 AP 230-001, Plant Health Committee 3.1.17 AP 28B-001, Root Cause Analysis 3.1.18 AP 05-010, Design Drawings 3.1.19

10CFR50, Appendix B, Nuclear Quality Assurance Requirements 3.1.20 10CFR50.59, Changes, Tests and Experiments 3.1.21 AP 16A-001, R Program Repairs/Alterations 3.1.22 ANSI N18.7-1976/ANS 3.2, Administrative Controls and Quality assurance for the Operational Phase of Nuclear Power Plants.

3.1.23 AP 28-011, Resolving Deficiencies Impacting SSCs 3.1.24 WCNOC-162, WCNOC Handbook for Professional Engineering Oversight and Conduct.

3.1.25 WCNOC-3, Configuration Identification Scheme Manual 3.2 Commitments 3.2.1 WCNOC Letter No.

WM 88-0028 dated January 29,

1988, from B. D. Withers (WCNOC) to the NRC (RCMS 1988-021)

Revision: 11A

DESIGN, IMPLEMENTATION AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 4 of 48 3.2.2 Letter to the NRC, NO 91-0310, dated 10/28/91, Commitments to the NRC for Notification of changes to the Emergency Response Data Systems 3.2.3 Letter to the NRC, ET 92-0013, dated March 23,

1992, "NRC Approval of Operational Quality Assurance Changes Involving Configuration Change Package Process" (RCMS #s 1992-071 thru 1992-078) 3.2.4 Performance Improvement Request NP93-0130 3.2.5 PIR MA 91-0313, Post Modification Testing 3.2.6 89-089 (Lic. Commitment ID No.),

Operations Training Requirements.

Response to Violation 8908-02.

3.2.7 Response to Violation 8822-01 and 8905-03, Redlining Control Room Dwgs.

3.2.8 PIR MA 91-0329, Work Performed Prior to PSRC Approval.

3.2.9 LER 96-006, Actuation of Engineered Safety Features Due To Failure of the "C" Steam Generator Feedwater Regulating Valve.

3.2.10 PIR 96-3361, Closeout of PIR Before CCP Reaches AP6 Status.

3.2.11 ITIP 0011, SOER 83-8 Reactor Trip Breaker Failures.

3.2.12 PIR 2002-1434, Identify training to complete prior to implementation of the modification 4.0 DEFINITIONS 4.1 Administrative Change 4.1.1 A change to a controlled engineering document that corrects discrepancies to bring the document into conformance with approved design.

Also the capture of a Vendor's document which adds to but does not change the design.

Revision: 11A

DESIGN, IMPLEMENTATION AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 5 of 48 4.2 Change Package 4.2.1 A generic term used in this procedure to identify either Design Change Package (DCP) or Configuration Change Package (CCP) including all forms and associated documents.

Open PMRs are also included.

Change packages may also be classified as hardware change or document change.

Attachments A, B and C show flow charts for the Engineering change process, hardware change for controlled SSCs and document change for controlled SSCs respectively.

4.3 Concurrent Modification 4.3.1 A Concurrent Modification is a hardware change that is being implemented in the field while the corresponding engineering change package is being prepared.

Concurrent Modifications are not often performed because there exists an inherent risk that the field work already performed will have to be modified to ensure agreement with the final approved (and released) change package.

4.4 Configuration Change Package (CCP) 4.4.1 A collection of documentation used to perform a Modification to Controlled Plant Equipment (including warehouse material),

or revise design documentation, that satisfies the existing technical requirements of design output documents required for the SSC to perform its design function(s).

[3.2.3 and 3.2.9]

4.5 Controlled Plant Equipment (Controlled SSCs)

- structures, systems and components that:

4.5.1 are safety related, or 4.5.2 whose functions impact the plant safety analysisi or 4.5.3 are subject to special consideration, such as:

1. Warehouse material for controlled plant equipment

[3.2.9]

2.

Maintenance Rule

3.

Supporting or promoting licensing basis, personnel safety, plant availability, commercial risk, etc.

Revision: IIA

DESIGN, IMPLEMENTATION &

AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 6 of 48 4.5.4 Attachment D categorizes structures and systems (reference WCNOC-3) as either controlled or non-controlled.

4.6 Design Authority 4.6.1 Design Engineering is the final technical authority responsible for maintaining the WCGS design basis.

4.7 Design Basis Information 4.7.1 Information which identifies the specific functions to be performed by a structure, system or component of a facility, and the specific value or range of values chosen for controlling parameters as reference bounds for design.

These values may be restraints derived from generally accepted "state-of-the-art" practices for achieving functional goals or requirements derived from analysis (based on calculation and/or experiments) of the effect of a postulated accident for which a structure, system or component must meet its functional goals (10CFR50.2).

4.8 Design Change 4.8.1 A change where a function is changed or a new failure mode is introduced.

4.9 Design Change Package (DCP) 4.9.1 A collection of documentation used to perform a Modification to Controlled Plant Equipment (including warehouse material),

or revise Engineering Documentation, which changes technical requirements needed to perform an SSCs design function(s).

[3.2.9]

4.10 Design Function (or Function) 4.10.1 The operation an item is required to perform to meet the basis for the component's or system's design.

4.11 Design Input 4.11.1 Those criteria, parameters, basis, or other design requirements upon which detailed final design is based.

(From ANSI N45.2.11-1974)

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DESIGN, IMPLEMENTATION &

AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 7 of 48 4.12 Design Output 4.12.1 Documents such as drawing, specifications, and other documents defining technical requirements of structures, systems and components as delineated in Section 4 of ANSI N45.2.11.

(From ANSI N45.2.11-1974) 4.13 Document Change 4.13.1 A change to a controlled engineering document.

4.14 Engineering Design Basis (or Design) 4.14.1 The entire set of design constraints that are implemented, including those that are (1) part of the current licensing bases and form the bases for the regulator staff's safety judgments and (2) those that are not included in the current licensing bases but are implemented to achieve certain economies of operation, maintenance, procurement, installation, or construction.

(NUREG-1397) 4.15 Engineering Information System (EIS) 4.15.1 A comprehensive database of engineering design information.

This system supersedes CSARs and incorporates many previously independent databases such as: Q-list, CRL, Calculation data base, total plant setpoint document, equipment qualification list, fuse

list, etc.

EIS is also a workflow management tool for processing and approving engineering change packages, calculations, SCAs etc.

4.16 Equivalent Change 4.16.1 A hardware change that results in installation of an item, not identical to the original item, which meets the technical requirements of design function(s) of the item and applicable interfaces.

4.17 Field Change Request (FCR) 4.17.1 A request to change an approved Change Package during its implementation or to provide as-built information.

This request is communicated to Engineering via a WO/SWO.

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DESIGN, IMPLEMENTATION &

AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 8 of 48 4.18 Generic/Ongoing Change Package 4.18.1 A Change Package providing a common disposition that pertains to multiple SSCs, in which a hardware change can be implemented on an "as-needed" basis.

(See Section 5.6) 4.19 Hardware Change 4.19.1 A physical change to a structure, system or component installed in the plant or approved for installation in the plant (e.g. warehouse material).

[3.2.9]

4.20 Implementing 4.20.1 A term used to differentiate between work orders that direct the installation of field work and those support tasks that track the completion of other support activities not required to be completed prior to the equipment being returned to an Operable status.

These "other" activities consist of longer term document updates such as training, spare parts, warehouse

material, PMs, procedures and some miscellaneous field cleanup activities. [3.2.9]

4.21 Independent Verification 4.21.1 The process of reviewing, confirming, or substantiating the design by one or more methods to provide assurance that the design meets the specified design inputs.

Independent verification is performed by any competent individual or group other than those who performed the original design but who may be from the same organization.

(From ANSI N45.2.11-1974) 4.22 Modification 4.22.1 A change to the Design or Configuration of plant hardware.

4.23 Non-Controlled (or Commercial)

SSCs 4.23.1 Plant Equipment which is not controlled.

May also be referred to as commercial controlled SSCs.

(see Controlled Plant Equipment)

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AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 9 of 48 4.24 Qualifying Activities 4.24.1 Certain activities associated with the design change process are qualified activities.

Procedure AP 30F-001, Engineering Support Personnel Training and Qualification Program, describes the qualification program.

4.25 Responsible Work Orqanization (RWO) 4.25.1 A generic term used for any organization or work group that is assigned a work task during the Change Package implementation phase.

5.0 RESPONSIBILITIES NOTE Engineering design activities without regard to controlled, non-controlled, safety related, or non-safety related are generally considered Practice of Engineering as defined in the Kansas Technical Professions Statutes, and performance of these engineering design activities are regulated by these statutes and associated'rules and regulations.

As a general rule, origination and revision of engineered documents, including drafting and other related design documents must be performed by or under the direct responsibility and supervision of a Licensed Professional Engineer.

Wolf Creek compliance with these statutes, rules, and regulations is further described in WCNOC-162 (PE Handbook).

5.1 Manager Design Engineering 5.1.1 5.1.2 Ensuring this procedure is maintained as necessary to provide an effective permanent modification program that satisfies configuration control requirements.

Additional activities as defined in AP 05-001 and 002.

5.2 The Supervisor Configuration and Engineering Performance 5.2.1 Updating Essential/Significant Drawings and updating applicable engineering documents.

5.2.2 Establishing the as-built criteria and minimum standards for drawing updates.

5.2.3 Additional activities as defined in AP 05-001 and 002.

Revision: 11A

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AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 10 of 48 5.3 All Engineering Managers 5.3.1 Initiating, developing and revising Change Packages and related documentation required to support plant operations, licensing or capital improvement needs.

5.3.2 Responding to FCRs; establishing backout scope for backout FCRs in conjunction with the implementing organization.

5.3.3 Initiating procurement of required engineered items, including long lead time (>6 months) operational and start-up spares, in accordance with AP 24-002.

(Also identifying any warranties that are to be obtained with the purchase. Typically warranties of one year after receipt for repairs are included on the Purchase Order.)

[3.2.4]

5.3.4 Additional activities as defined in AP 05-001 and 002.

5.4 Implementation coordinator 5.4.1 Final planning and overall coordination for task assignment, the implementation of field work, the initiation of essential drawing releases, and other activities required to be complete before the equipment can be restored to an operable status.

5.4.2 Additional activities as defined in AP 05-001.

5.5 Manager Maintenance 5.5.1 Preparing, approving, implementing, and performing all necessary reviews and evaluations, for changes to non-controlled SSCs (including regulatory reviews per AP 26A-003)and obtaining Engineering involvement if. a 50.59 Screen and or Evaluation is required.

5.6 Supervisor Document Services 5.6.1 Providing release, control, distribution and storage functions for Change Packages and other change process documentation as required.

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AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 11 of 48 5.7 Licensing 5.7.1 Notifying the NRC of changes to NRC monitored ERDS data points as follows: thirty (30) days prior to implementing changes that will affect the transmission format and computer communication protocol and, thirty (30) days after implementing a change that affects ERDS data points.

[3.2.2]

5.8 Station Personnel 5.8.1 Requesting changes to controlled SSCs and non-controlled SSCs, per established company methods (e.g.,

CR, CDR or WR).

5.9 Responsible Work Organization 5.9.1 Attending Scoping meetings to provide design inputs, Change Package reviews and task assignments.

5.9.2 Providing implementation and support services as assigned for Change Packages.

5.9.3 Additional activities as defined in AP 05-001.

5.10 PSRC 5.10.1 Reviewing Change Packages or revisions that have a 50.59 Evaluation performed.

5.11 Manager Supply Chain Services 5.11.1 Assist in maintaining the configuration control and inventory of warehouse materials based on input provided by engineering during change package development and processing.

[3.2.9]

5.12 Engineering Supervisor 5.12.1 Assigns personnel to develop, review and verify dispositions and change packages.

5.12.2 Assigns Designated Licensed Engineers to projects involving the Practice of Engineering.

5.12.3 Manages assigned work group resources to support the company business plan initiatives.

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AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 12 of 48 5.12.4 Manages and oversees the work group's interface between site processes, such as financial controls, work planning groups, project review groups, scheduling, etc. and the supervised engineers.

5.13 Designated Licensed Engineer 5.13.1 That Licensed Engineer assigned responsibility for a project or document involving Practice of Engineering.

The Designated Licensed Engineer will have overall responsibility for performance of the work, including supervision of involved unlicensed individuals, final certification of the work, and final approval of the effort.

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AP 05-005 CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 13 of 48 6.0 PROCEDURE NOTE Engineering design activities without regard to controlled, non-controlled, safety related, or non-safety related are generally considered Practice of Engineering as defined in the Kansas Technical Professions Statutes, and performance of these engineering design activities are regulated by these statutes and associated rules and regulations.

As a general rule, Practice of Engineering includes drafting, origination and revision of design documents, and this work must be performed by or under the direct responsibility and supervision of a Licensed Professional Engineer.

In addition to Licensed Professional Engineer, the services of a Licensed Architect, Surveyor or Landscape Architect may need to be considered as well.

Wolf Creek compliance with these statutes, rules, and regulations is further described in WCNOC-162 (PE Handbook).

6.1 Initiate Modification Requests to Controlled SSCs and Non-Controlled SSCs, per Established Company Methods 6.1.1 Any deficiency identified at any time during the change process should be immediately discussed with engineering supervision, and promptly identified on a WR or PIR.

Refer to AP 16C-006 or AP 28A-001.

6.1.2 All plant modifications should receive a cost benefit evaluation at a level commensurate with the job's expected cost.

This cost benefit does not necessarily need to be documented in great detail for smaller jobs.

This is to ensure that good business decisions are made prior to modifying the plant.

6.1.3 Each activity / task is performed in accordance with the safety classification for that activity to envelope work governed by the document.

6.2 Design of Changes to Controlled SSCs (Engineering Change Process) 6.2.1 General Notes:

1. Engineering design for refueling outage change packages is completed to satisfy milestones as directed by AP 22D-001.

2.

Disapproval of a Change Package may occur at any point prior to release by Document Services of the Change Package.

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3.

Change Packages initiated due to a deficiency may be disapproved any time prior to "released for planning" status.

However assurance must be made that the deficiency has been properly addressed.

4.

After being released by Document Services, Change Packages which are not to be implemented shall be cancelled. Engineering shall revise the Change Package to cancel.

5.

A generic/ongoing Change Package is used in cases where it is desirable to reflect the specific configuration on documents, once implemented, rather than allowing a "configuration option" on the documents.

As implementation is completed the Implementation coordinator notifies Engineering to facilitate the updating of applicable documents and databases.

Once the entire Change Package is implemented, the normal close-out process is followed.

6.

The engineering change process begins with establishing a need for engineering change.

The categories of engineering changes are Configuration Change and Design Change.

7.

A Concurrent Modification is a hardware change that is being implemented in-the field while the corresponding engineering change package is being prepared.

a.

Agreement to proceed with a part or all of a modification as a concurrent modification must be obtained between engineering supervision and the control room Shift Manager or designee.

b. Obtain approval for the concurrent modification by the Designated Licensed Engineer.

Professional Engineer oversight is established as described by WCNOC-162.

c.

The subject SSC must be 'out of service' Affected building structures may be included in a concurrent modification although they are not taken out of service.

d. Control of the concurrent modification work is governed by AP 16C-006, MPAC WORK REQUEST / WORK ORDER PROCESS CONTROLS.

Work Order Planning is instructed by AI 16C-007, WORK ORDER PLANNING.

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e. Concurrent Modifications may be performed for items or activities governed by the ASME Code.

For use on this issue of concurrent modifications, ASME items are items constructed to ASME B&PV Code Sections I, III, IV, and VIII Division 1 and are now under the jurisdiction of ASME B&PV Code Section XI or the State of Kansas Boiler Act.

Reference AP 16A-001,

'R' PROGRAM REPAIRS / ALTERATIONS and AP 16A-003, SECTION XI REPAIR / REPLACEMENT PROGRAM, for additional conditions / limitations on the use of concurrent modification for ASME items.

f.

The concurrent modification change package must be approved and released for planning and actions required by it, including compliance with the applicable Code requirements, must be implemented before the affected SSC is returned to service (e.g.,:

release of clearance order for restoration).

8.

An equivalency evaluation is the process of determining that a replacement item, not identical to the original item, will meet the technical requirements of design function(s) of the original item and of applicable interfaces with other SSCs.

The intent is to ensure that the replacement item will not affect the design functions of the item it replaces, or affect the design function of interfacing SSCs.

Equivalency evaluation also must ensure that the replacement item will not introduce any failure modes not considered in the current design. To perform an equivalency evaluation, the Engineer must determine the normal and accident design functions of the SSC being replaced and of interfaces to other SSCs.

Performance parameters, critical design characteristics and failure modes are then reviewed to determine the impact of any changes on design functions.

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9.

The evaluation of interfacing SSCs is important for two reasons.

There may be cases where a replacement item is determined to be equivalent to the original item, but the physical interfaces may impact the ability of another SSC to perform a design function.

For example, a replacement valve may meet all of the normal and accident functions of the original valve and the valve weight may not be a critical characteristic to the valve function.

However, increased valve weight could impact a snubber which is designed for a specific weight range.

Second, the interface requirements can vary for each installation when a generic component is used in multiple locations. When approving a generic replacement, the Engineer must consider all applications for which the generic component may be used.

10. It should also be noted that changes to drawings and databases may occur as a result of an equivalent change, and these need to be captured and processed as part of the equivalency process.

11. The Engineering Information System (EIS) is the management tool for processing change packages.

12.

EIS is the database for engineering information, and it is kept as up to date and complete as possible.

The EIS is to be used in all cases where it has superseded another database even though reference may still exist to the superseded database.

Superseded databases may be maintained until migration of data to EIS has been completed and validated.

13.

STARS procedures listed in the scope section of this procedure shall be used only on a case by case basis, as directed by the Design Engineering Manager.

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AP 05-005 Revision:____

11A CONFIGURATION CONTROL OF Reference Use MODIFICATIONS Page 17 of 48 6.2.2 Initial Design Activities NOTE For those activities dealing with Practice of Engineering and requiring eventual certification, as described in WCNOC-162, a

Designated Licensed Engineer will be assigned initial ownership of the activity.

The Designated Licensed Engineer will fulfill the role of supervisor for the assigned activity except for those documents which the Designated Licensed Engineer originates and certifies him/herself.

1. Designate a Licensed Engineer as owner of the design activity.

See WCNOC-162 for further guidance and exceptions.

2.

Establish the design objective.

The objective of the design is a concise statement of the purpose of the change, its scope and/or a description of the problem to be resolved.

The scope of the request should be investigated by discussion with the originator and other knowledgeable personnel, performing field walk downs, warehouse inventory

reviews, reviewing performance trends and investigating industry information.

[3.2.9]

3.

Determine the engineering design basis.

The engineering design basis of the SSC or item involved is determined in order to evaluate the impact of the request on the safe operation of the plant.

When determining the Design Functions, the Engineer should establish functions of the SSCs during normal and accident operating conditions and the resulting safety classification.

The engineer should also take failure modes into account.

4.

The Engineering Screening Form and the corresponding Applicability Statement are used to identify potentially impacted hazards and programs.

5.

Investigate the root cause of the problem that initiated the request for engineering action.

Identifying the root cause helps to ensure meaningful corrective action.

The extent of this root cause should correspond with the significance of the problem and the cost of correcting the problem versus correcting the symptoms.

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6.

Formal Root Cause Analysis may be performed in some cases in accordance with AP 28B-001, Root Cause Analysis.

[3.2.1]

7.

With appropriate input from all potentially affected RWOs, establish a conceptual solution which is responsive to the engineering request.

1

8.

The purpose of a conceptual solution is to establish a basic idea of what potential solutions exist. Conceptual design ranges from a simple thought process to documented alternatives depending on the complexity of the design.

This thought process includes consideration of the advantages/disadvantages and a cost estimate of alternatives.

It should also determine what types of design output documents might be required.

9.

The development of a conceptual solution will require coordination with affected program coordinators and field personnel.

When available, industry experience, such as the ITIP and NPRDS programs, should be utilized in the decision making process.

The conceptual solutions should be thoroughly discussed with potential RWOs.

10. From the conceptual design, an informed decision can be made regarding which potential alternative should be pursued as an actual engineering change.

11. Review the change package for impact on plant probabilistic safety assessment (PSA) quantification.

12.

Any change package that alters the function, type, failure mode, control, etc., of a given component or system, can affect the plant PSA model and thus the resulting core damage quantification.

This review is to ensure that individual and accumulative effects of plant design changes do not exceed the established plant core damage frequency criteria.

The following gives a few examples of design changes that could affect the PSA model and quantification.

a.

Change component types, e.g. from a solenoid valve to a motor operated valve, from a positive displacement pump to a centrifugal pump, etc.

b. Add or delete actuation signals to a component.

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c. Change the power supply of a component to a different power source.

13. The Engineering Screening Form and Engineering Contacts database may be used to identify programs impacted by a change.

6.2.3 Financial and Scheduling Considerations

1. The change may need approval as a major job if the estimated cost of the change, including engineering, implementation labor, materials and overheads is greater than a Management established limit.

6.2.4 Determination of Type of Output Document

1. Determine the appropriate output document for the modification using the guidance below.

Choose the output document with the most stringent requirements.

2.

Basic Engineering Dispositions are not modification or output documents, but are described here for awareness.

a. Basic Engineering Dispositions are used to provide information.

They can communicate operating margin, but cannot provide design margin to the field.

b. Basic Engineering Dispositions are not used to make changes, either documentation or hardware, nor to allow deficiencies to be 'used-as-is' or

'repaired'.

c. Basic Engineering Dispositions do not require certification and supervision of a Licensed Professional Engineer.

See WCNOC-162 for further guidance.

3.

Configuration Changes are used to make changes to design documents and/or controlled plant equipment.

A Configuration Change Package:

a. Dispositions an equivalent change.

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b. Dispositions an administrative change (see definition) to engineering controlled documents.

Administrative changes do not require certification and supervision of a Licensed Professional Engineer.

See WCNOC-162 for further guidance.

c. Does not add or remove SSCs.

d. Does not add or change a function or failure mode of an SSC.

e. Dispositions a repair or use-as-is change that does not change functions or failure modes of the controlled SSC.

4.

Design Changes are the highest level of engineering change and require the most extensive and formalized documentation.

A Design Change Package:

a. Adds or removes controlled SSCs

b.

Adds or changes a function or failure mode of an existing, controlled SSC

c. Dispositions a repair or use-as-is change that does change functions or failure modes of the controlled SSC.

d. Alters the bounding parameters used to define the established Design Basis Information.

5.

Output documents include Design Drawing Revisions, Work In Progress Drawings (WIPs),

Design Drawing Change Notices (DDCNs)and Specifications, and they are usually prepared, reviewed, approved and released with the change package.

a. Output documents are prepared in accordance with their governing procedure.

b. Design Document Change Notices (DDCNs) are used for documenting changes to design documents without immediately revising the original documents.

DDCNs are written against and associated with a released design document.

When issued by Document Services the DDCN documents the "as built" conditions in the field.

They are issued in accordance with AP 05-003.

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c.

Drawings and vendor manuals are issued in accordance with AP 05-013 and must also document the "as built" conditions in the field, when issued by Document Services.

[3.2.9]

d. WIPs describe plant hardware changes which are in some stage of field implementation.

These documents will be incorporated into the parent document after field implementation.

e. Specifications are normally written as early in the design development process as possible to minimize the impact of long procurement lead times.

New specifications or revisions are technically reviewed/verified at the time of issuance and may be issued specifically for procurement prior to the Change Package issuance.

Before equipment purchased to a new or revised Specification can be installed in the plant however, the authorizing change package must be reviewed and approved in accordance with AP 05-002.

This will typically include a review of the governing specifications.

Specification revisions may need to be placed on hold until the Change Package is closed out.

f.

'Essential Drawings' are those drawings that Operations considers essential for normal plant operation.

See also AP 05-010, Design Drawings.

g. Operations' ultimate need is to have these drawings reflect the as-built configuration when a system/component is returned to service, after a modification is completed.

To meet this need, Essential Drawings are routinely updated 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after the modification is completed.

This facilitates the return of SSCs to service.

h.

It has been found that the most expedient method of achieving the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> turn around, is to have interim modification documents (WIPs) released along with the change package.

With the changes already prepared on the WIPs, the Configuration Management Group can then incorporate the changes into the parent documents much faster than starting from scratch.

Therefore, this is the preferred way to handle essential drawing updates.

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i.

If, due to extenuating circumstances, WIPs for Essential Drawings cannot be released at the same time as the change package, concurrence must be obtained from the Supervisor Configuration Management and Manager Operations or designee.

In all cases, changes to Essential Drawings shall be issued or red-lined in the Control Room before the affected equipment is returned to service.

6.2.5 Detailed Design Development

1. Design Inputs

a. Identify design inputs, including any new input documents required.

Design inputs should also be solicited from potential RWOs to ensure a quality product is developed.

b. Design input includes design basis, regulatory requirements, codes and standards, or other design requirements upon which detailed final design is based.

Design input should be to the level of detail necessary to permit the design activity to be carried out in a correct manner and to provide a consistent basis for making design decisions, accomplishing design verification and evaluation of design changes.

Guidance on design input is contained in AP 05A-001, Design Inputs.

2.

Resolution Coordination

a.

Proposed changes must be coordinated with other engineering groups, disciplines and technical service organizations to ensure changes within the expertise of other disciplines and groups are properly considered and to ensure compatibility with concurrent change activities.

This is the reason that affected components are identified upon initiation and during the change development.

The extent of this coordination is contingent upon the complexity of the design activity.

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b. Proposed changes should also be coordinated with the organization requesting the change and potentially affected RWOs, including Operations, to ensure that the design will be responsive to the needs of plant personnel, operational considerations are included in the design, and field conditions which could influence the design are considered.

c.

Proposed hardware changes should be coordinated with Supply Chain Services.

This coordination will enable Supply Chain Services personnel to identify affected materials (e.g. assemblies, subassemblies and piece/parts) that will be either made obsolete or modified.

The scope of this review should include Material or Purchase Requisitions and Purchase Orders as well as existing warehouse stock. [3.2.9]

d. This coordination should begin early in the design process and continue until the final approval of the change.

Coordination ranges from discussions with other groups/disciplines to distribution of conceptual designs for review by potentially impacted organizations.

These reviews will cover concurrent engineering activities, hazards analysis, operational considerations and impact upon WCNOC programs.

e.

As part of this process, the Engineer shall initiate actions to ensure that field documents (e.g., procedures, training, etc.) affected by the changes are identified.

This will ensure that these changes are implemented as necessary to return SSCs to service as part of the Engineering Change Package close-out process.

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3.

Initiation of internal or supporting engineering documentation.

a. Internal/supporting documents are documents used by Engineering for design development and other analysis which are not generally released to the field.

Internal documents include design inputs, design verification, calculations, hazards analysis, Seismic Reports and other electronic databases used for configuration control.

Internal documents should be sufficiently detailed as to purpose, method, assumptions, design input, references and units such that personnel technically qualified in the subject can review and understand the analysis and verify the adequacy of the result without recourse to the originator.

Some internal documents may be revised and released outside the Change Package process only when the revision incorporates changes properly authorized through the Change Package process.

b.

See AP 05-002 for additional guidance on which internal documents may be needed and their associated procedure.

6.2.6 Initiation of Output Documentation

1. Output documents are documents issued or revised as part of the engineering change process that are typically released to the field.

Output documents include drawings, WIPs, DDCNs and specifications.

Whenever practical, the use of DDCNs should be avoided.

While DDCNs may be necessary from an expediency standpoint, it is better to change the document permanently.

2.

Changes to output documents are always reviewed and approved as part of a CCP/DCP.

The actual revision of the output document may be reviewed and approved during the CCP/DCP close-out process provided the revision only incorporates changes properly authorized through the CCP/DCP process, including administrative changes.

If the drawing is being revised in this manner, the drawing must be reviewed and approved in accordance with AP 05-010 and/or AP 05-003.

3.

The Engineering Disposition form is also an output document.

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4.

The relationships of affected components and documents are kept current in EIS to aid other designs under development.

a.

In general, changes to ESSENTIAL DRAWINGS should always be done with the use of WIPs or revisions.

Under special circumstances it is desirable to ask for as-builts on an ESSENTIAL drawing.

b.

The request for as built drawings should be on a very limited basis in order to meet Engineering's commitment to Operations with regard to updating documents.

c. Affected documents include, but are not limited to Engineering drawings, procedures, specifications, calculations, databases, design basis documents, system notebooks and topical notebooks that have been affected by the change.

5.

Engineering Hazards Screenings

a. Hazards screenings are performed to ensure that design basis and programmatic commitments are maintained.

Examples of such programs include Fire Protection, EQ, and ALARA.

b. Guidance on Hazards Screenings is located in AP 05-002.

6.

Licensing 10CFR50.59 Applicability Determination/Screening/Evaluation.

a.

A IOCFR50.59 Applicability Determination is prepared for all Change Packages. This form is used to determine if a proposed activity is controlled by other more specific regulations and can be excluded from the scope of 10 CFR 50.59. Based on the results, a 50.59 Screening/Evaluation may be necessary.

b. Additional guidance on 10CFR50.59 Reviews is located in AP 26A-003.

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See WCNOC-162 for further guidance.

6.2.7 Independent Verification

1. Design changes made to SSCs within the scope of 10CFR50 Appendix B are required to be independently verified.

Independent verification is the process of reviewing, confirming, or substantiating the design by one or more methods to provide assurance that the design meets the specified design inputs.

Independent verification is performed by any competent individual or groups other than those who performed the original design.

2.

Generally, any activities which result in output documents such as drawings, specifications, and other documents which define technical requirements for safety related/special scope SSCs are subject to various levels of design review.

3.

In unusual cases, the engineer's supervisor may perform the verification if the supervisor is the only technically qualified individual and not the Designated Licensed Engineer, and the need for the supervisor to perform the verification is approved and documented in advance by the supervisor's management.

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4.

The extent of the design verification required is a

function of the importance to safety of the item under consideration, the complexity of the design, the degree of standardization, the state-of-the-art, and the similarity with previously proved designs.

However, the applicability of standardized or previously proven designs, with respect to meeting pertinent design inputs, including environmental conditions, should be verified for each application.

Where the design of a particular structure, system, or component has been subjected to an independent verification, the process need not be duplicated for identical design.

However, known problems affecting the standardized design and their effects on other features must be considered.

The original design and associated verification should, however, be adequately documented and referenced in the subsequent DCP.

5.

When changes to previously verified designs have been made, design verification shall be required for the changes, including evaluation of the effects of the changes on the overall design.

The extent of the design verification required is a

function of the importance of the package change being made.

6.

Guidance on Design Verification is contained in AP 05F-001.

6.2.8 Technical Review

1. The purpose of a technical review is to ensure that the document or package:

a.

Is technically adequate, cost effective and responsive to the stated purpose and objective.

b.

Has been properly developed, documented and reviewed.

c.

Has been coordinated with other affected sections and/or disciplines and all concerns have been resolved.

d. Does not adversely affect the design basis of safety related or special scope SSCs involved.

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2.

The supervisor will make the determination of what the depth and scope of the technical review should be and the appropriate groups, disciplines and individuals that should complete a review.

6.2.9 Pre-Implementation Planning

1. Following the technical review, but prior to final approval, the Pre-implementation Planning form is completed by Engineering for all Change Packages.

The Implementation Coordinator and affected RWOs are identified on this form.

RWO activities required to be completed in support of the change package implementation will also be identified on this form, including Post Modification Testing and Essential Drawing updates.

[3.2.5, 3.2.7, 3.2.8]

6.2.10 Engineering Approval

1. Following Pre-implementation planning, the package is submitted for approval.

2.

The Designated Licensed Engineer approves change packages which require certification and he or she has been providing oversight.

3.

The Engineering Supervisor approves change packages that do not require certification.

4.

The Engineering Supervisor approves change packages where the Designated Licensed Engineer is the originator and is certifying his or her own work.

5.

Engineering will obtain PSRC approval, if

required, and then process the completed package to Document Services to be released.

[3.2.10]

6.2.11 Controlled copies of change packages are issued in electronic form by Document Services.

Access to the electronic media is generally available to all site personnel.

Implementation is scheduled and work activities controlled through the MPAC system.

6.3 Planning and Implementation of Changes to Controlled SSCs (Engineering Change Process) 6.3.1 Planning

1. Affected Organizations shall identify all programs, procedures and training that will require revision as a result of the Change Package.

[3.2.5]

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a.

The Organization reviewer shall consider the Spare Parts, Warehouse Material, Preventative Maintenance and Equipment Qualification Programs as a minimum when performing this review.

Operations identifies "Essential Reading."

[3.2.6, 3.2.9 and 3.2.11]

b. This review should be done as soon as practical to expedite implementation of the Change Package.

The discovery of any additional items requiring completion prior to returning the affected equipment to an operable status should be brought to the Implementation Coordinator's attention as soon as possible.

c.

The Organization reviewer then forwards the review form (APF 05-005-04) to the Implementation Coordinator.

d. The reviewer need not hold the original review form until all actions are completed, only until the review is completed.

If the reviewer completes the action prior to returning the review form, the reviewer shall indicate its completion with their initials and date of completion.

2.

The Implementation Coordinator shall

a. Begin final implementation planning based on the change package requirements and the content of the Change Package Review Forms being returned by the RWOs.

b.

Determine if additional field work is required.

3.

If no field work is required, the Implementation Coordinator:

a. Generates Supporting SWOs for each work group to track completion of any remaining support work identified on the review forms (APF 05-005-04).

b. This will allow the supporting activity to be scheduled in the work control process and the change package to be closed.

c. Forwards the original Change Package Review forms (APF 05-005-04) with the list of Supporting SWOs to Document Services for Close-out.

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4.

If field work is required the Implementation Coordinator continues with the following.

a. Identifies and provides a defined scope of work to all WCNOC organizations needed to provide support.

b. Functions as the focal point for the implementation of the full scope of the job.

All involved WCNOC organizations should keep the IC abreast of all activities performed in support of implementation of the Change Package.

The IC should know at all times who needs to do what to complete the implementation in a quality manner.

c. Works with the RWOs to develop the supporting and implementing work order instructions and sequencing of events.

All work groups must coordinate their efforts with the Implementation Coordinator to ensure a quality and timely implementation.

d. Works with the Integrated Plant Scheduling Group to develop the schedule.

The schedule considers the sequence of events and appropriate times for returning SSCs to service.

The appropriate logic ties are developed to ensure timely completion of dependent tasks.

6.3.2 Implementation

1. All persons shall coordinate their efforts with the Implementation coordinator.

2.

As work is completed, the Implementation Coordinator ensures that all activities required to be completed prior to releasing the system or portion of the system to Operations, have been completed.

[3.2.7]

3.

This list of activities can be found on the pre-implementation planning form.

This form is completed in the final stages of approving the change package and is kept up to date after that through the coordination between Engineering, all the RWOs and the IC.

4.

Post-Modification Testing is performed at the completion of field work.

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5.

When a design problem or concern is identified with the Change Package, the Implementation coordinator will generate a WR/WO to initiate an engineering resolution.

6.3.3 Revisions to Change Packages

1. Revisions to Change Packages must be prepared, reviewed and approved in accordance with the engineering change process.

The revision should receive a level of review and approval commensurate with the original change package.

2.

Revisions may only be made to Change Packages which are not completed.

A new Change Package should be initiated for scope changes, rather than continually revising an existing package.

Change packages with a significant number of revisions makes the close out process very difficult and inefficient.

When developing a new revision, it must be reconciled with all previous revisions and their Engineering screenings/Regulatory reviews to ensure that previous conclusions are not invalidated. Procedure AP 26A-003 should be consulted if it is desired to use a 50.59 Evaluation from a previous Change Package revision.

Each revision should clearly state in the objective section as to whether it supplements, partially supersedes or entirely supersedes previous revisions.

3.

If, during implementation, it is determined that completion of all or a portion of a work package cannot be accomplished the IC will issue an SWO to Engineering documenting the desired backout configuration in which the field is to be left.

6.3.4 Close-out

1. When all implementing work has been completed the Implementation Coordinator reviews the package to ensure the following:

a. As-built Configuration agrees with Change Package Requirements.

b. All implementing work and required activities restraining system release to Operations are complete and SSCs restored to designed configuration.

[3.2.7]

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c.

RWOs have been contacted to ensure all follow up activities related to affected warehouse material issues have been identified on supporting SWOs.

[3.2.9].

d. All RWO programs (procedures, databases, training, etc.) identified as being impacted, have been updated.

2.

After implementing activities are complete, the Implementation Coordinator prepares a close-out statement and notifies the applicable engineering group Supervisor that the change package is ready for Engineering close-out.

NOTE Engineering Closeout activities that result in changes to affected documents or incorporation of as-built information may involve Practice of Engineering.

See WCNOC-162 for further guidance.

A Designated Licensed Engineer may need to be assigned for those cases.

3.

Engineering's close-out ensures that all drawings, procedures, specifications, calculations, data bases, design basis documents, system and topical notebooks, vendor manuals, etc., affected by the change have been updated.

[3.2.9]

4.

Previously identified affected drawings are reviewed and approved in accordance with AP 05-010 and/or AP 05-003.

Affected drawings identified during the close-out process that are administrative issues may also be issued in accordance with these procedures if they do not invalidate the Engineering screenings or regulatory reviews.

If these screenings/reviews are affected, a revision must be issued.

A revised USAR Change Request may also be issued, in accordance with AP 26B-003, without a revision to the change package if it does not invalidate the Engineering screenings or Regulatory reviews.

5.

Engineering ensures all close-out activities are complete and prepares a close-out statement.

6.

Document Service progresses the completed change package to vault.

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Wolf Creek compliance with these statutes, rules, and regulations is further described in WCNOC-162 (PE Handbook).

6.4 Modifications to Non-Controlled SSCs (See ATTACHMENT D) 6.4.1 Establish Professional Engineer oversight as needed.

Establish the oversight of a Licensed Architect, Surveyor, or Landscape Architect, as needed.

Refer to WCNOC-162 for guidance.

6.4.2 Modifications to non-controlled SSCs coordinated, designed, planned and implemented in accordance with site processes.

IF there are stock items in the warehouse associated with the modified SSC, THEN those items are to be modified also, as applicable.

[3.2.9]

6.4.3 DCPs or CCPs are not required for changes to non-controlled SSCs, but may be used.

6.4.4 DCPs or CCPs must be used to address changes to controlled SSCs, which are associated with a change to non-controlled SSCs.

6.4.5 Coordinate modifications with Systems Engineering (EFIN team) as needed.

Installation of new structures or systems, and interfaces with controlled structures and systems should be reviewed with them to determine the need of a change package.

6.4.6 Configuration control is maintained for non-controlled SSCs.

Engineering documents are to be kept up to date.

• Identify affected drawings.

Initiate changes to affected drawings which are processed per AP 05-010, Design Drawings.

" Identify affected specifications.

Initiate changes to affected specifications which are processed per AP 05-004, SPECIFICATIONS.

Identify affected vendor technical documents (VTDs).

Initiate changes to affected VTDs which are processed per AI 05C-001, VETIP Process.

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• Identify affected site procedures, programs and/training needs.

Coordinate changes with the affected organizations.

6.4.7 Perform regulatory review in accordance with AP 26A-

003, 10 CFR 50.59 REVIEWS, as required.

6.4.8 As applicable, review the modification to non-controlled SSCs for impact on the following site programs or systems.

Coordinate the modification with the affected work groups.

USAR and Operating License Fire Protection Program 0

Emergency Plan

• Environmental Security Plan

• Underground Utilities

• Control Room Habitability Mixed Radwaste Storage

• Gaitronics System

" Modifications affecting electrical loads on primary feeds (e.g., area transformers).

These would be modifications which add new breakers or increase breaker size.

• All applications, additions and changes, to radio frequency transmission devices 6.4.9 Design Engineering will approve configuration changes and design changes to boilers built to ASME Code Section I or Section IV and to pressure vessels built to ASME Code Section VIII.

(3.1.21) 6.4.10 All modifications are to be accomplished in compliance with applicable codes and standards, such as:

Uniform Building Code; Uniform Mechanical Code; Uniform Plumbing Code; National Electrical Code; OSHA Standards, etc.

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" testing and analysis equipment,

• tools,

• personal protection equipment,

• housekeeping tools and supplies,

" scaffolding and portable ladders,

• chemicals,

• storage cabinets,

• office furnishing, equipment, and cubicles,

• restroom and shower room plumbing fixtures and accessories including stall panels

• kitchen and break room plumbing fixtures, appliances, and accessories 7.0 RECORDS 7.1 Forms generated by this procedure are classified as QA records if the Change Package they are associated to is "safety related" or "special-scope".

Likewise, the forms are Non-QA records if the Change Package they are associated to is "non-safety related".

7.2 Records generated as a result of other modification procedures, will be governed as specified in appropriate procedure(s).

8.0 FORMS 8.1 APF 05-005-03, "Change Package Index" 8.2 APF 05-005-04, "Change Package Review" [3.2.12]

END -

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ENGINEERING CHANGE PROCESS FLOWCHART END -

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HARDWARE CHANGE FOR CONTROLLED SSC'S END -

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DOCUMENT CHANGE FOR CONTROLLED SSC'S END -

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CONTROLLED /

NON-CONTROLLED SSC'S Description and use of the information in this attachment is found in Section 6.4, Modifications to Non-Controlled SSCs.

STRUCTURES ID Ie Controlled Non-controlled Number Z001 Auxiliary Bldg and Hot Machine Shop Doors:

13321.

Z002 Reactor Bldg Z003 Control Bldg Doors:

33031, 33043.

Z004 Turbine Bldg Doors:

43092, 43102,

43122, 43132, 1

43142, 43151,

43211, 43223.

Zoos Diesel Generator Bldg Z006 Fuel Bldg Z007 Radwaste Bldg Doors:

71143, 71323,

72261, 72264.

Z007A Radwaste Storage Addition Z010 Communication Corridor Zoll Radwaste Storage Z012 Systems:

AX, CL, CZ, DC, EW, FQ, Walter P Chrysler Support Complex HT, PP, SL, UU, WM.

All others non-controlled.

Z012A Walter P Chrysler Support Complex-Shop Bldg Z012B Walter P Chrysler Support Complex-Tool Room Z012C Walter P Chrysler Support Complex-I&C/Electrical Maintenance Shop Z013 ESW Chemical Addition Z015 Systems:

RJ, RT, VT Technical Support Center (TSC)

Z016 Systems:

FQ Olive Ann Beech Operations Administration Z017 Systems:

all controlled systems Charles Evans Whittaker Security except KD and HVAC Bldg Z018 ESW Pump House Z019 Circulating Water Screenhouse Doors:

CD-01, CD-02, CD-03, CD-04, CD-07, CD-09, CD-10, CD-lI, CD-12 Z019A Systems:

all controlled systems Circulating Water Pump Enclosure except HVAC Z019B Systems:

all controlled systems Circulating Water Traveling Water except HVAC Screen Enclosure Z020 Heating Fuel Oil Storage Tank &

Pumphouse Z022 Circulating Water Discharge Structure

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CONTROLLED / NON-CONTROLLED SSC'S ID Controlled Non-controlled Number Z023 Security Diesel Generator Bldg Z024 Systems:

CQ, DC, HT, QF, SZ, UU, Makeup Water Screenhouse (MUSH)

WL, WM Z025A Systems:

CS, FQ, QE Dwight D Eisenhower Learning Center-Bldg A Z025B Systems:

FQ Dwight D Eisenhower Learning Center-Bldg B Z025C Systems:

FQ Dwight D Eisenhower Learning Center-Bldg C Z026 Make-up Water Discharge Structure (MUDS)

Z027 Meteorological Tower Facility Z028 Systems:

FQ Dosimetry Bldg Z029 Lube Oil and Chemical Storage Bldg Z030 Systems:

FQ William Allen White Skills Training Center Z031 Systems:

CQ, SL Amelia Earhart Materials Center Z032 Amelia Earhart West Storage Facility Z033 Vehicle Maintenance Z034 Systems:

FQ Outage Support Bldg Z035 Fire Training Facility Z036 Lime Sludge Pond Z037 Systems:

HF, PS, SL, WM Waste Water Treatment Facility Z038 Carbon Dioxide and Hydrogen Storage Area Z039 Oxygen and Nitrogen Storage Area Z040 Dry Cement Storage Tank Z041 Misc Storage Bldg Z042 Systems:

WM Chlorine Bldg Z043 Accelerometer Z044 Paint Storage Z045 Systems:

FQ Paint Shop Z045A Waste Paint Solids & Solvents Bldg Z045B Paint Shop Breakroom Z046 Paint Shop Misc Storage Z047 Hazardous Waste Storage Area Z047A Hazardous Waste Support Bldg Z048 Owens Coring Bldg Z049 Waste Oil Storage Area Z051 Main Dam Structure, Saddle Dams, and Baffle Dikes Z051A Systems:

CQ, HT, SL, UU, WL Blowdown Discharge Structure (BDDS)

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CONTROLLED / NON-CONTROLLED SSC'S ID Controlled Non-controlled Number Z052 Systems:

CW, WS Circulating Water Screen House (CWSH)

Storage Area Z053 Propane Gas Tank Area Z054 Anti-Scale Acid Tank and Pump House Z054A Biocide Bldg Z055 Emer Fuel Oil Tank and Access Vault Z055A RWST FDN (Foundation)

& Valve House Z055B RMWST FDN (Foundation)

Z055C CST (Condensate Storage Tank) FDN (Foundation)

& Valve House Z055D Demineralized Water Tank FDN (Foundation)

Z055E Water Treatment Tank FDN (Foundation)

(Comprising 4 inactive tanks)

Z055F Acid Tank FDN (Foundation) & Berm Z056 Northwest Laydown Yard Storage Bldg Z056A Kelly Bldg #7 Z057 Misc Yard Foundations (Crane Pad, laundry, etc)

Z057A Main & Unit Aux XMFR Support Structures Z057B Start Up XMFR Support Structures Z057C Station Service XMFR Support Structures Z057D ESF XMFR Support Structures Z058 Potable Water Storage Tank &

Pumphouse Z059 Garage Z060 Lake Dam NOTE:

Includes manmade changes to the lakes capacity, drainage, or foot print.

Z061 Systems:

FQ Arthur Capper OJT Center Z062 Cable Reel Shop Z063 New Strawn Warehouse Z065 Ultimate Heat Sink (UHS)

Dam &

Reservoir Z065A ESW Discharge Structure Z066A Charles Curtis Development Center Z066B Pipe Fab Shop Z069 Administrative Services Shop Z070 Roadways Z080 Railroads Z091 Systems:

FQ Ron Evans Outage Processing Center Z092 Systems:

FQ Communications Services / Misc Bldg

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CONTROLLED

/ NON-CONTROLLED SSC'S ID N b Controlled Non-controlled Number Z093A ESW Valve House Train A Z093B ESW Valve House Train B Z094A Main Gate North Security Bldg Z094B Security Search Facility Z095 Systems:

FQ Edward P McCabe Support Facility Z096 Acid Tank (Inactive)

Z097 Lakeview and Flinthills Residences Zi00 345 KV Switchyard / Substation NOTE:

This structure is the utility owners scope of responsibility.

Onsite modifications will be coordinated with Electrical Design Engineering.

ZI01 Systems:

FQ Clyde Cessna Administrative Facility Z102A ESW Access Vault Al Z102B ESW Access Vault B1 Z102C ESW Access Vault A2 Z102D ESW Access Vault B2 Z103 Auxiliary Spillway Z104 Sewage Lagoon Z105 Systems:

all controlled systems Secondary Access except KD and HVAC Z107 Vehicle Access Station Z108 Security Weapons Range Z109 Lake Access Facility ZI10 Water Treatment Bldg ZIlI X-Ray Bldg Z112 Cathodic Protection Rectifier Bldg Z113 MUX #2 Bldg

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CONTROLLED / NON-CONTROLLED SSC'S ID Number Controlled Non-controlled AB Main Steam System AC Main Turbine System AD Condensate System AE Feedwater System AF Feedwater Heater Extraction, Drains and Vents System AK Condensate Demineralizer System AL Auxiliary Feedwater System AN Demineralized Water Makeup Storage and Transfer System AP Condensate Storage and Transfer System AQ Condensate and Feedwater Chemical Addition System AX Acid Feed System BB Reactor Coolant System BG Chemical and Volume Control System BL Reactor Makeup Water System BM Steam Generator Blowdown System BN Borated Refueling Water Storage System CA Steam Seal System CB Main Turbine Lube Oil System CC Generator Hydrogen and Carbon Dioxide System CD Generator Seal Oil System CE Stator Cooling Water System CF Lube Oil Storage, Transfer and Purification System CG Condenser Air Removal System CH Main Turbine Control Oil System CL Chlorination System (See KT for ESW)

CO Carbon Dioxide System (See KH)

CQ Plant Security System (Hoad Doors, Gates:

G001, G009 See SK)

NOTE:

This includes the PAB, secondary barrier, and the vehicle barrier.

In addition, any modification within the 40 foot isolation zone must address the barriers as part of the modification evaluation.

CR I&C Shop Compressed Air System CS Communication Systems (See FQ, QE, QF)

CW Circulating Water System (Yard)

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CONTROLLED / NON-CONTROLLED SSC'S ID Number Controlled Non-controlled CZ Caustic/handling System DA Circulating Water System (Power Block)

DC Battery and DC Distribution System DM Equipment and Floor Drains System (Miscellaneous Buildings)

DO Diesel Oil System (See FO, JE, for D.G.)

DR Onsite and Offsite Drainage System EA Service Water System EB Closed Cooling Water System EC Fuel Pool Cooling and Clean-Up System ED Equipment Drains System EF Essential Service Water System EG Component Cooling Water System EJ Residual Heat Removal System EL Site Emergency Lighting DC System EM High Pressure Coolant Injection System EN Containment Spray System EP Accumulator Safety Injection System EW Electrical Welding Receptacles System FA Auxiliary Steam Generator System FB Auxiliary Steam System FC Auxiliary Turbines System FE Auxiliary Steam Chemical Addition System FO Fuel Oil System (See DO, JE, for D.C.)

FP Fire Protection System (See KC for Power Block)

• EOF components will be considered Bechtel System FQ Fiber Optic Communications System (See CS, QE, QF)

GA Plant Heating System GB Central Chilled Water System GD Essential Service Water Pump House Building HVAC System GE Turbine Building HVAC System GF Miscellaneous Buildings HVAC System GG Fuel Building HVAC System GH Radwaste Building HVAC System GK Control Building HVAC System GL Auxiliary Building HVAC System

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CONTROLLED / NON-CONTROLLED SSC'S ID Controlled Non-controlled Number GM Diesel Generator Building HVAC System GN Containment Cooling System GP Containment Integrated Leak Rate Test System GR Containment Atmospheric Control System GS Containment Hydrogen Control System GT containment Purge HVAC System GV CRDM Cavity Cooling System GX Grounding and Cathodic Protection System HA Gaseous Radwaste System HB Liquid Radwaste System HC Solid Radwaste System HD Decontamination System HE Boron Recycle System HF Secondary Liquid Waste System HT Heat Tracing System HX Hoists, Cranes, Elevators and Manlifts System HY Hydrogen System ( See KH)

JE Emergency Fuel Oil System (See DO, FO, Non-Emerg)

KA Compressed Air System KB Breathing Air System KC Fire Protection System Power Block (See FP for Site)

KD Domestic Water System (See WD)

KE Fuel Handling, Fuel Storage and Reactor Vessel Service System KF Cranes, Hoists, and Elevators System KH Service Gas System (COý:,

N,,,

H,,

and Oj) (See CO, NR, NT, HY, OX)

KJ Standby Diesel Engine System KL MMO Service Air System KT Essential Service Water Chlorination System (See CL)

LA Sanitary Drainage System LB Roof Drains System LC Yard Drainage System LD Chemical and Detergent Waste System LE Oily Waste System LF Floor and Equipment Drains System

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CONTROLLED / NON-CONTROLLED SSC'S ID ue Controlled Non-controlled Number LL Lighting System (See QA)

LP Lighting Panel System LV Low Voltage Auxiliary Power System MA Main Generation System (Includes Main Generator, Iso-Phase Bus, Unit Auxiliary Transformer, Main Transformer Line to Switchyard, Generator Breaker)

MB Excitation and Voltage Regulation System MR Startup Transformer System MT Shop Bldg Machine Tool Power Supply System NB Lower Medium Voltage System -

4.16 kV (Class IE Power System)

NE Standby Generation System NF Load Shedding and Emergency Load Sequencing System NG Low Voltage System -

480 V (Class IE Power System)

NK 125 V DC System (Class IE Power System)

NN Instrument AC Power System -

120 V (Class IE Power System)

NR I&C Shop Nitrogen System (See KH, NT)

NT Nitrogen System (See KH, NR)

OX Oxygen System (See KH)

PA Higher Medium Voltage System -

13.8 kV PB Lower Medium Voltage System -

4.16 kV (Non-Class IE Power System)

PG Low Voltage System -

480 V (Non-Class IE Power System)

PJ 250 V DC System 9Non-Class IE Power System)

PK 125 V DC System (Non-Class IE Power System)

PK Local Instrument Panels PM Main Control Room Panels PN Instrument AC Power System (Non-Class IE Power System)

PP Power Panel System PQ Uninterruptible AC Power System (Part of RJ System)

PS Site Power Loop System

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CONTROLLED / NON-CONTROLLED SSC'S ID Nb Controlled Non-controlled Number QA Normal Lighting System (Includes 120/208 V Power; See LL System)

QB Standby Lighting AC System QD Emergency Lighting DC System QE Telephone System (See CS, FQ, QF)

QF Public Address System (Intercom)

(See CS, FQ, QE)

QG Grounding System (Power Block Ground Grid -

Personnel Safety)

QH Cathodic Protection System QJ Freeze Protection System QN Miscellaneous Equipment System RC Radiation Chemistry Computer System (Cables Only)

RD Meteorological Instrumentation System RG Administration and Shop Buildings HVAC Refrigeration System (See VS, VV)

RJ Balance of Plant Computer System RK Plant Annunciator System RL Main Control Board RM Process Liquid Sampling and Analysis System RN NSSS Computer System RP Miscellaneous Control Panels RR Radioactive Release Information System and/or Safety Assessment System RT Emergency Response Facility Information System (ERFIS)

RU Site Computers I&C Shop (Main Frame)

RZ Alert and Notification System SA Engineered Safety Features Actuation System (ESFAS)

SB Reactor Protection Systems SC Reactor Instrumentation System SD Area Radiation Monitoring System SE Ex-Core Neutron Monitoring System SF Reactor Control System SG Seismic Instrumentation System SH Post-Accident Monitoring System SJ Nuclear Sampling System SK Power Block Plant Security System (See CQ)

SL Auxiliary Power System

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CONTROLLED / NON-CONTROLLED SSC'S ID N b Controlled Non-controlled Number SM Containment Insulation SP Radiation Monitoring System SQ Loose Parts Monitoring System SR In-Core Neutron Monitoring System SS Anticipated Transient w/o Scram Mitigations Circuitry System (AMSAC)

ST Sewage Treatment System SW Screen Wash System SY Switchyard System SZ Service Air System Shop Bldg Air Compressors located in Bldg Z012 UU Supervisory Control System VA I&C Shop HVAC System VB I&C Shop Computer Room HVAC System VC Health Physics Computer Room HVAC System VE Education Center HVAC VH Circulating Water and Makeup Water Screenhouse Vent System VJ Shop Building Machine Shop Area Vent System VL Shop Building HVAC System (See RG)

VM Vehicle Maintenance Fuel System VS Administration Building HVAC System (See RG)

VT Tech Support System HVAC VV Shop Building Water Treatment Area Vent System VW Waste Water Treatment Ventilation WD Domestic Potable Water System (See KD)

WG Gland Water and Motor Cooling Water System WL Cooling Lake Makeup Water and Blowdown System WM Makeup Demineralizer System WS Plant Service Water System WT Waste Water Treatment WZ Radioactive Liquid Release System XX Multi-Systems or Buildings Affected by Mod System ZX Reactor Building Equipment/Personnel Hatch System END

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