ML17291A933
| ML17291A933 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 07/28/1995 |
| From: | Gwynn T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Parrish J WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| References | |
| NUDOCS 9508070014 | |
| Download: ML17291A933 (11) | |
See also: IR 05000397/1995098
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UNITED STATES
EAR REGULATORY COMMISSIO
REGION IV
611 RYAN PLAZA DRIVE, SUITE 400
ARLINGTON,TEXAS 76011.8064
Jut
P 8 l995
Washington Public Power Supply System
ATM:
J.
V. Parrish,
Vice President
Nuclear Operations
3000 George Washington
Way
P.O.
Box.968.
HD 1023
Richland.
99352
SUBJECT:
REGION IV INITIATIVE INSPECTION -
NRC INSPECTION
REPORT 50-397/95-98
The
purpose
of this letter is to
announce
a
Region
IV inspection
at your
facility.
The inspection will consist of a site visit and in-office review of
- information.
This inspection effort is intended to be completed at each site by
one inspector
in about
2 days.
The schedule for the inspection is contained in
Attachment
1 to thii letter.
Recently,
several
facilities
have
experienced
problems
with Terry turbines.
including overspeed
trips.
The purpose of this inspection
is to review and
assess
the safety performance experience of Terry turbines in auxiliary feedwater
or reactor
core isolation cooling systems,
as applicable.
While on site. this
inspection will emphasize
the gathering of site performance
data to support'n
in-office assessment.
The
inspection will be
conducted
using
portions
of
Inspection
Procedure
93801
"Safety
System
Functional
Inspection."
Some
facilities
may
not
receive
a
site visit
based
on
recent
inspection
and
understanding
of system configuration.
To assist in achieving the objectives of the inspection,
we request that you make
available for review the performance information contained in Attachment 2.
Ny
staff will be contacting your staff by telephone to discuss the information and
the site visit schedule.
Should
you
have
any additional
questions
concerning this
inspection
or the
requested
information, please
contact Hr.
E. Collins at (817) 860-8291.
Sincerely.
.Docket:
50-397
License:
Attachments:
As stated
Thomas
P.
Gwynn,
Di ector
Division of Rea t
Saf ty
4
CC:
95080700i4
950728
ADCICK 05000397
6
Washington Public Power
Supply System
-2-
Washington Public Power Supply System
ATTN:
J.
H. Swai les,
WNP-2 Plant Manager
P.O.
Box 968,
MD 927M
Richland,
99352-0968
Washington Public Power Supply System
ATTN:
Chief Counsel
3000 George Washington
Way
P.O.
Box 968,
MD 396
Richland,
99352-0968
Energy Facility Site Evaluation Council
ATTN:
Frederick
S. Adair, Chairman
P.O.
Box 43172
Olympia, Washington
98504-3172
Washington Public
Power
Supply System
ATTN:
D. A. Swank,
WNP-2 Licensing Manager
P;0.
Box 968 (Mail Drop PE20)
Richland,
99352-0968
Washington Public Power Supply System
ATTN:
P.
R.
Bemis. Director
Regulatory
and Industry Affairs
P.O.
Box 968 (Mail Drop PE20)
Richland,
99352-0968
Benton County Board of Commissioners.
ATTN:
Chairman
P.O.
Box 190
Prosser,
99350-0190
Winston
8 Strawn
ATTN:
- M. H.
Phi lips,
Esq.
1400
L Street,
N.W.
D.C.
20005-3502
Washington Public Power
Supply System
E-Hail report to D. Sullivan (DJS)
E-Hail report to
NRR Event Tracking System
(IPAS)
bcc to
DHB (IEOl)
bcc distrib.
by RIV:
. L. J. Callan
DRSS-FIPB
Branch Chief (DRP/E,
WCFO)
Senior Project Inspector
(DRP/E,
WCFO)
Leah Tremper
(OC/LFDCB, HS:
TWFN 9E10)
Resident
Inspector
HIS System
RIV File
Branch Chief (DRP/TSS)
B. Henderson
(PAO,
WCFO)
DOCUMENT NAME
To receive copy of document, indicate ln box: "C"
Copy without enclosures
"E"
Copy with enclosures "N"'o copy
RIV:AC:EB
EECollins/lb
07/28"/95
D:DRS
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07/
/95
D:DRP
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07/
/95
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07
95
Washington Public Power
Supply System
E-Hail report to D. Sullivan (DJS)
E-Hail report to NRR Event Tracking System
(IPAS)
.bcc'to
DHB (IE01)
bcc distrib.
by RIV:
L. J. Callan
DRSS-FIPB
Branch Chief (DRP/E.
WCFO)
Senior Project Inspector
(DRP/E,
WCFO)
Leah Tremper
(OC/LFDCB, HS:
TMFN 9E10)
Resident
Inspector
HIS System
RIY File
Branch Chief (DRP/TSS)
B. Henderson
(PAO.
WCFO)
DOCUHENT NAHE:
To receive copy of document, indicate in box: "G" ~ Copy without enclosures
"E" ~ Copy with enciosures "N" ~ No copy
RIV:AC:EB
EECollins/lb
07/28"/95
D:DRS
TPGw nn
07/
/95
D:DRP
JEDye
07/
/95
D:DRS
TPGwynn
07
95
ATTACHHENT 1
SITE VISIT SCHEDULE
Ins ector
1
August 3-4,
1995
August 7-9.
1995
August 10-11.
1995
August 15-17,
1995
Palo Verde Nuclear Generating Station
San Onofre Nuclear Generating Station
Diablo Canyon
Wolf Creek
Ins ector
2
August 4,
1995
August 8.
1995
August 10-11,
1995
August 14,
1995
August 16-17,
1995
Comanche
Peak
South Texas Project
Waterford
Nuclear
One
Cooper Nuclear Station
River Bend Station and Washington Nuclear Project 2 will be reviewed by telephone
with the option of performing
a site visit.
ATTACHMENT 2
AREAS OF INTEREST OF TERRY TURBINE PERFORMANCE
FOR INSPECTION
.Cate<aors
,Design
and
Configuration
Lubrication
Governor
Procedures
Area of Interest
Designer of the system
and major design objectives
Automatic initiation signals
Initiation sequence
Design of the overspeed trip ball-tappet
Configuration of the system
Major modifications of the system
Steam admission valves
Location of the steam admission valves
Leak tightness of the steam admission valves
Condensate
removal capabilities
Supplier of replacement
parts
Specifications for replacement
parts
Recently'purchased
parts
Storage of spare governors
and actuators
Erivironment in area of turbines
Type of'ubricating oil system
Type of oils
Specifications for oils
Operating limits based
on oils
Periodicity for changing oils
Type of governor installed
Type of governor
control oil system
Periodicity of refurbishment of governor
Type of remote operation, if applicable
Governor valve stem material
Installation date of governor valve stem
Speed stability verification
DC electrical
system
Overspeed trip mechanisms
Speed
ramp provisions
Terry turbine manual
approved for use
Woodward governor
manual
approved for use
EPRI NP-6909 availability
Verification of governor valve coordination
Replacement
interval for governor diaphragm
Disassembly/reassembly
of turbine,
governor valve.
etc.
Trip ball-tappet inspections
System operating
procedures
Test procedures
Test frequency
~
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4
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Operating
Experience
Gener ic
Communications
Documents
Required:
Start
demands
Failures
Causes
of failures
Generic communication
sources
Responses
to generic communications
Terry turbine users
group participation
Copy of system operating
procedure
Copy of system operability test procedure
Copy of governor valve assembly instructions
Copy of applicable
process
and instrumentation
diagrams
Copies of the reviews of:
Information Notices 94-66.
93-51.
86-14 and supplements;
Volume
X
1a
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