ML19321A466

First Interim Deficiency Rept Re Environ Qualification of Class IE Equipment.Util Checking Files & Petitioning Manufacturers of Components for Required Environ Documentation

ML19321A466
Person / Time
Site:	Sequoyah
Issue date:	07/16/1980
From:	Mills L TENNESSEE VALLEY AUTHORITY
To:
References
NCR-SQN-EEB-800, NCR-SQN-EEB-801, NUDOCS 8007230431
Download: ML19321A466 (4)

Text

TENNESSEE VALLEY AUTHORIT" CH ATTANOOGA. TENNESSEE 374ol 400 Chestnut Streat Tower II July 16, 1980 Mr. Janas P. O' 11y, Director Office of Inspect 1 and Enforcement U.S. Nuclear Regula Connaission Region II - Suite 310 101 Marietta Street Atlanta, Georgia 30303 ,

Dear Mr. O'Reilly:

SEQUOYAH NUCLEAR PLANT UNIT 2 - ENVIRONMENTAL QUALIFICATION OF CLASS IE EQUIPMENT - NCR's SQN EEB 8009 through 8015 - FIRST INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector C. R. McFarland on June 16, 1980, in accordance with 10 CFR 50.55(e).

Enclosed is our first interim report. We expect to submit our next written report by August 22, 1980.

If you have any questions concerning this matter, please get in touch with D. L. Lambert at FTS 857-2581.

Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills, Manager Nuclear Regulation and Safety Enclosure cc: Mr. Victor Stallo, Jr., Director (Enclosure) [

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555

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ENCLOSURE .

SEQUOYAH NUCLEAR PLANT UNIT 2 ENVIRONMENTAL QUALIFICATION OF CLASS IE EQUIPMENT NCR'S SQN EEB 8009 THROUGH 8015 10 CFR 50.55(e) '

FIRST INTERIM REPORT Description of Deficiency The following NCR's pertain to Class IE components for which documenta-tion has not been located to establish their ability to operate in the ambient conditions (temperature, humidity, radiation, and/or pressure) for which they are required._

SQN EEB 8009 - Pressure Switches PS 30-46 A&B, -47 A&B, and -48 A&B -

These pressure Switches are required to operate during a LOCA at temperature's of 135*F and radiation doses of -

7 5 x 10 rads.

SQN EEB 8010 - Class IE Motors - These motors are required to operate in various normal and post-accident environments. See Attachment lA.

SQN EEB 8011 - Solenoid Valve FSV-70 This solenoid valve must operate at a temperature of 202*F, a radiation dose of 3.6 x 10" rads, and a relative humidity of 100 percent.

SQN EEB 8012 - Solenoid Valves PSV-65-81 and PSV-65 These solenoid valves are required to operate in an environment of 150*F 7

and 7 x 10 rads.

SQN EEB 8013 - I/P Transducers PDM-65-80 and PDM-65 These transducers #

must operate in a post-accident environment of 7 x 10 rads.

SQN EEB 8014 - Portions of the Hydrogen Monitoring System mounted in the Annulus These portions are reguired to operate in an environment of 150*F and 7 x 10 rads.

SQN EEB 8015 - DC Vent Fan Motor and Starter - This motor and starter are requiregtooperateinanenvironment of 104*F and less than 10 rads.

Auxiliary Air Compressor Motor and Instrument Rack is required to operate in an environment of ll5*F, a relative hugidity of 100 percent, and radiation dose of less than 10 rads. .

Pressurizer Heater Transformers are required to operate in a post-accident environrent of ll5*F, a relative hgmidity of 100 percent, and radAation dose of less than 10 rads.

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s Pressurizer Heater Distribution Cabinet CVRL is required to gperate in an environment of 115*F, a radiation dose of less.than 10 rads, and a relative humidity of 100 percent.

Turbine-Driven Auxiliary Feedwater Temperature Instrument Panel is required to operate in an environment of 150*F, a gelative humidity of 90 percent and a'~ radiation dose of less than 10 rads.

A/C Circulation Pump Motors E1.734 are required to sperate in an pogt-accident environment of 115'F, a radiaiton dose of less than 10 rads, and a relative humidity of 100 percent.

Solenoid Valve FSV-18-12 is required to operate in an environment of 110*F, g relative humidity of 100 percent, and a radiation dose of 10 rads. .

Rotark MOV Model 7A/lRP is req tired to operate in a post-accident environment of 115"F, a relati 3e humidity of 100 percent, and a radiation dose of-less than 10 rads. -

6900V RCP PT and Relay Boards 1 and 2 are required to operate in anenvironmentofll5'F,arelatgvehumidityof100 percent, and a radiation dose of less than 10 rads.

Interim Progress TVA is checking its files and is petitioning the manufacturers of these components for the needed environmental documentation.

l

ATTACllMENT 1A SEQUOYAll CLASS IE MOTORS ON NONCONFORMANCE REPORT SQN EEB 6010 .

Contract Component Integ. Accident 40 Year Environment Spec. Require.

Dose 1 Year Normal Dose Temp /Ril Ambient / Rise Rads Rads C' / % C* C*

6 72C38-92802 Emer. Cas Treatment AllU Neg 10 43.3 30-80 40 90 72C38-92802 Spent Fuel Pit Pump AllU Neg 10 43.3 30-80 40 90 6 6 72C38-92802 RilR Pump Cooler 7.5 x 10 10 43.3 30-80 40 90 6 6 72C38-92802 SIS Pump Cooler AllU 5.6 x 10 10 43.3 30-80 40 90 6

72C38-92802 Cent. Charing Pump Cooler AllU 6.6 x 10 10 43.3 30-80 40 90 ,

6 72C38-92802 AFW & Boric Acid Pump AliU Neg 10 43.3 30-80 ~40 90 .

72C38-92802 CCS Pump & AF4 Pump AliU Neg 10 43.3 30-80 '40 90 72C38-92802 Pipe Chase AllU Neg 10 .. 43.3 30-80 40 90 72C38-92802 Cont. Spray Pump A!!U 7.8 x 10 10 43.3 30-80 40 90 .

72C38-92802 Penetration Room Coolere. Neg 10 43.3 30-80 40 90 72C38-83527 Aux. Bldg. Cas Treat. Fan Neg 10 43.3 30-80 40 90 6

72C38-83527 Emer, Cas Treat. Fan Neg 10 43.3 30-80 40 90 6

76K35-83673-1480-Volt Board Room AllU Neg 10 46.1 30-80 40 90 ,

71C30-92695 Comp. Cooling Water Pumps Neg Neg 46.1 30-80 40 70 73C38-83532 Comp. Cooling Water Booster Pumps Neg Neg 46.1 30-80 CO 90 6 6 71C30-92646 Cont. Spray Pumps 7.8 x 10 10 43.3 30-80 40 90 72C33-92730 Lower Compartment AllU ---

2 x 10 49.8 98 65 90 72C33-92730 CRD Mechanism AliU ---

2 x 10 48.8 98 65 90

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