ML16343A070
| ML16343A070 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 10/24/2016 |
| From: | Indiana Michigan Power Co |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML16336A263 | List:
|
| References | |
| AEP-NRC-2016-42 | |
| Download: ML16343A070 (4) | |
Text
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
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1 of 4 OBJECTIVES OF SYSTEMS TESTS PRIOR TO INITIAL CRITICALITY SYSTEM TESTS TEST OBJECTIVE 1.
Electrical System Ensured continuity, circuit integrity and the correct and reliable functioning of electrical apparatus. Electrical tests were performed on transformers, switchgear, motors, cables, control circuits, excitation switchgear, d-c systems, annunciator systems, lighting distribution switchboards, communication systems and miscellaneous equipment. Special attention was directed to the following tests:
(a)
High voltage switchgear breaker interlock test (b)
Station loss of voltage auto-transfer test (c)
Normal to preferred offsite auxiliary power transfer test (d)
Tests of protective devices (e)
Equipment automatic start tests (f)
Exciter check for proper voltage build up (g)
Insulation tests 2.
Essential Service Water System Verified the design head-capacity characteristics of the service water system, i.e., that the system supplied design flow rate through all heat exchangers, and met the specified requirements when operated in the safeguards mode.
3.
Nitrogen Storage System Verified system integrity, valve operability, regulating and reducing station performance, and the ability to supply nitrogen to interconnecting systems as required.
4.
Condensate and Feedwater System Verified valve and control operability and setpoints, and inspected for completeness and integrity. Functional testing was performed when the main steam system was available.
Flushing and hydrostatic tests were performed where applicable.
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
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2 of 4 OBJECTIVES OF SYSTEMS TESTS PRIOR TO INITIAL CRITICALITY 5.
Residual Heat Removal and Component Cooling Water Systems Verified component cooling flow to all components, and verified the proper operation of instrumentation, controllers, and alarms. Specifically, each of the two systems, i.e.,
component cooling system and residual heat removal system, was tested ensuring:
(a)
All manual and remotely operated valves were operable.
(b)
All pumps performed their design functions satisfactorily.
(c)
All temperature, flow, level and pressure controllers functioned properly at the required set-points when supplied with appropriate signals.
(d)
All temperature, flow, level and pressure alarms provided alarms at the required locations when the alarm set-point was reached and cleared when the reset point was reached.
6.
Verified valve and control operability and set-points, flushing and hydrostatic testing as applicable, inspection for completeness and integrity. Functional testing was performed when a steam supply was available.
7.
Safety Injection System (ECCS)
Verified correct response to control signals and sequencing of the pumps, valves, and controllers of this system as specified in the system description and the manufacturer's technical manuals. More specifically that:
(a)
All manual and remotely operated valves were operable.
(b)
Each pair of valves installed for redundant flow paths operated as designed.
(c)
All pumps performed their design functions satisfactorily.
(d)
The proper sequencing of valves and pumps occurred on initiation of a safety injection signal.
(e)
The failed position on a loss of power for each remotely operated valve was as specified.
(f)
All level and pressure instruments were set at the specified points, alarmed and reset as required.
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
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3 of 4 OBJECTIVES OF SYSTEMS TESTS PRIOR TO INITIAL CRITICALITY 8.
Containment Spray System Verified responses to control signals and sequencing of the pumps, valves and controllers as specified in the system description and the manufacturer's technical manuals; checked that the time required to actuate the system after a containment high-high pressure signal is received was appropriate.
9.
Reactor Control and Protection System Verified calibration, operability and alarm settings of the reactor control and protection system; tested its operability in conjunction with other systems; e.g., the nuclear instrumentation system as detailed below.
10.
Nuclear Instrumentation System Ensured that the instrumentation system was capable of monitoring the reactor leakage neutron flux from source range through 120 percent of full power and that protective functions were operating properly. In particular, the tests were designed to verify that:
(a)
All system equipment, cabling and interconnections are properly installed.
(b)
The source range detector and associated instrumentation responded to neutron level changes, and that the source range protection (high flux level reactor trip) as well as alarm features and audible count rate operated properly.
(c)
The intermediate range instrumentation operated properly, the reactor protective and control features such as high level reactor trip and high level rod stop signals operated properly, and the permissive for blocking source range trip and source range high voltage-off operated properly.
11.
Pressurizer Level Control System Ensured that the system was capable of monitoring the full range of pressurizer level alarms and setpoints and that the system, in conjunction with the chemical and volume control system, controls pressurizer level.
12.
Rod Position Indication System Checked the systems response to test signals verified correct indicating functions. After fuel loading and after the position indication coils were installed, a calibration and complete operational check was performed by operating the individual control rod drive mechanisms.
IINNDDIIAANNAA AANNDD M MIICCHHIIGGAANN PPOOW WEERR DD.. CC.. CCOOOOKK NNUUCCLLEEAARR PPLLAANNTT UUPPDDAATTEEDD FFIINNAALL SSAAFFEETTYY AANNAALLYYSSIISS RREEPPOORRTT Revision:
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4 of 4 OBJECTIVES OF SYSTEMS TESTS PRIOR TO INITIAL CRITICALITY 13.
Reactor Thermocouple/ RTD Instrumentation Checked and calibrated the system and compared thermocouple readings with RTD readings up to the maximum allowable temperature at isothermal conditions.
14.
Turbine Auxiliary Cooling System Established the correct cooling to unit components, demonstrating satisfactory performance of pumps, instruments, alarms, controls and established system integrity.
15.
Primary and Secondary System
- Safety and Relief Valves Verified correct relief and safety valve pressure set-points.
16.
Turbine Steam Seal System Verified valve and control operability and set-points, flushed and hydrostatically tested where applicable, inspected for completeness and integrity. Functional testing was performed when a steam supply was available.
17.
Turbine and Turning Gear Test Demonstrated satisfactory operation of these systems.
18.
Chemical Volume and Control System Verified that the CVCS functioned according to design intent. More specifically that:
(a)
The reactor makeup control regulated blending, dilution and boration as designed.
(b)
Chemical addition subsystem functioned as specified.
19.
Emergency Core Cooling System Verified the performance of the ECCS under full flow conditions.