ML20151M088

Amend 4 to License NPF-68,modifying Tech Specs to Allow Preoperational Positive Pressure Testing of Emergency HVAC Sys

ML20151M088
Person / Time
Site:	Vogtle
Issue date:	04/16/1988
From:	Crocker L Office of Nuclear Reactor Regulation
To:	City of Dalton, GA, Georgia Power Co, Municipal Electric Authority of Georgia, Oglethorpe Power Corp
Shared Package
ML20151M090	List: ML20151M088 ML20151M091
References
NPF-68-A-004 NUDOCS 8804220233
Download: ML20151M088 (7)

Text

i f[

UNITED STATES y

g NUCLEAR REGULATORY COMMISSION

j WASHINGTON, D. C. 20555

\\...../

GEORGIA POWER COMPANY OGLETHORPE POWER CORPORATION tillNICIPAL ELECTIC AUTH0 PITY OF GEORGI A CITY OF DALTON', GEORGIA V0GTLE ELECTRIC GENERATING PLANT, UNIT 1 AMFNDMENT TO FACILITY OPERATING LICENSE Amendment No. 4 License No. NPF-68 1.

The Nuclear Pegulatory Comission (the Comission) has found that:

A.

The application for amendment to the Vogtle Electric Ganerating Plant, Unit 1 (the facility) Facility Operating License No NPF-68 filed by the Georgia Power Company Acting for itself, Oglethorpe Power Corpo-ration, Municipal Electric Authority of Georgia, and City of Dalton, Georgia, (the licensees) dated March 23, 1988, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter ;

B.

The facility will operate in conformity with the application, as amended, the provisions of the Act, and the rules and reaulations of the Commission; C.

There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will bc conducted in compliance with the Comission's regulations set forth in 10 CFP Chapter I; D.

The issuance of this license amendment will not be inimical to the comon defense and security or to the health and safety of the public; and E.

The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirements have been satisfied.

i

$884!B8u888$!4 P

. ?.

Accordingly, the license is hereby amended by page changes to the Technical Specifications as indicated in the attachments to this license amendment and paragraph 2.C.(?) of Facility Operating License No. NPF-68 is hereby amended to read as follows:

(2) Technical Specifications and Environmental Protection Plan The Technical Specifications contained in Appendix A, as revised through Amendment No. 4, and the Environmental Protection Plan contained in Appendix B, both of which are attached iiereto, are hereby incorporated into this license. GPC shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.

3.

This license amendment is effective as of its date of issuance and shall be implemented within 30 days of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION Lawrence Crocker, Acting Director Project Directorate 11-3 Division of Reactor Projects

Attachment:

Technical Specification Changes Date of Issuance: April 16, 1988 1

i 0FFICIAL RECORD COPY

)/

I-NRR LA P I-3 PM:PDII-3 C-WF PD:PDII-3 A@)ajlas Pfto;li

/

JHopkins:

Acting PD G

't /f /88 fy/g/88 b

8

/ /88 g //2/88

/ / /88 y-

-,w

-,y

--w.--.y

< - ~ -

~

v-9

ATTACHMENT TO LICENSE AMENDMENT NO.

4 FACILITY OPERATING LICENSE NO. NPF-68 DOCKET NO. 50-424 Replace the following pages of the Appendix "A" Technical Specifications with the enclosed pages.

The revised pages are identified by Amendment number and contain vertical lines indicating the areas of change.

The corresponding overleaf.pages are also provided to maintain document completeness.

Amended Page Overleaf Page 3/4 7-14 3/4 7-13 3/4 7-16 3/4 7-15 y,

y

l PLANT SYSTEMS 3/4.7.5 ULTIMATE HEAT SINK LIMITING CONDITION FOR OPERATION 3.7.5 The Ultimate Heat Sink (VHS) shall be OPERABLE with:

a.

Two OPERABLE Nuclear Service Cooling Water (NSCW) tower basins each with:

1.

A minimum water level (LI-1606-train A, LI-1607-train B) in the NSCW tower basin of 80.25 ft (plant elevation of 217' 3") (73%

of instrument span) 2.

A maximum water temperature (TJR-1690/1-train A, TJR-1691/1-train B) of 90'F.

b.

Two OPERABLE trains of NSCW tower fans, each train consisting of four fans and associated spray cells.

c.

Two OPERABLE NSCW transfer pumps.

APPLICABILITY:

MODES 1, 2, 3, and 4.

ACTION:

a.

With the UHS inoperable due to water level and/or water temperature, restore the UHS to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

i b.

With the UHS inoperable due to inoperable fans and/or associated spray i

cells, restore to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />; otherwise be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN with-in the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, j

c.

With the VHS inoperable due to an inoperable NSCW transfer pump, restore the transfer pump to OPERABLE status within 8 days or imple-ment an alternate method of transfer of basin content; otherwise be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTOOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

Implementation of the alternate method of transfer of basin content shall not exceed 31 days.

The provisions of Specification 3.0.4 are not applicable.

SURVEILLANCE REQUIREMENTS 4.7.5 The ultimate heat sink shall be determined OPERABLE:

a.

At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying the water level and water temperature to be within their limits, b.

At least once per 31 days by verifying that the required number of fans start and operate for at legit 15 minutes.

c.

The NSCW transfer pumps will bd tested pursuant to the requirement of Specification 4.0.5.

V0GTLE - UNIT 1 3/4 7-13

PLANT SYSTEMS 3/4.7.6 CONTROL ROOM EMERGENCY FILTRATION SYSTEM r

LIMITING CONDITION FOR OPERATION 3.7.6 Two independent Control Room Emergency Filtration Systems shall be OPERABLE.*

l APPLICABILITY:

MODES 1, 2, 3, and 4.

'0 DES 5 and 6 during movement of r

irradiated fuel or movement of loads over irradiated fuel, ACTION:

. MODES 1, 2, 3 cr 4:

With one Control Room Emergency Filtration System inoperable, restore the inoperable system to OPERABLE status within 7 days or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLO SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

MODES 5, and 6 during movement of irradiated fuel or movement of loads over irradiated fuel:

With one Control Room Emergency Filtration System inoperable, a.

restore the inoperable system to OPERABLE status within 7 days or initiate and maintain operation of the remaining OPERABLE Control Room Emergency Filtration System in the emergency mode.

b.

With both Control Room Emergency Filtration Systems inoperable, or with the OPERABLE Control Room Emergency Filtration System, required to be in the emergency mode by ACTION a., not capable of being powered by cn OPERABLE emergency power source, suspend all operations involving movement of irradiated fuel or movement of loads over irradiated fuel.

SURVEILLANCE REQUIREMENTS 4.7.6 Each Control Room Emergency Filtration System shall be demonstrated OPERABLE:

a.

At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> by verifying that the control room air temperature is less than or equal to 80*F b.

At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow (FI-12191, FI-12192) through the HEPA filters and charcoal adsorbers and verifying that the system operates for at least 10 continuous hours with the heater control circuit energized.

V0GTLE - UNIT 1 3/4 7-14 Amendment No.

4

s PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) c.

At least once per 18 months or (1) after any structural maintenance on the HEPA filter or t.harcoal adsorber housings, or (2) following painting, fire, or chemical release in any ventilation zone communicating with the system by:

1)

Verifying that the filtration system satisfies the in place testing acceptance criteria of greater than or equal to 99.95%

filter retention while operating the system at a flow rate of 19,000 cfm t10% and performing the following tests:

(a) A visual inspection of the control room emergency filtration system shall be made before each DOP test or activated carbon adsorber section leak test in accordance with Sec-tion 5 of ANSI H510-1980.

(b) An in place 00P test for the HEPA filters shall be performed in accordance with Section 10 of ANSI N510-1980.

(c) A charcoal adsorber section leak test with a gaseous halo-genated hydrocarbon refrigerant shall be performed in accordance with Section 12 of ANSI N510-1980.

2)

Verifying within 31 days after removal that a laboratory analysis of a representative carbon sample obtained in accordance with Section 13 of ANSI H510-1980 meets the laboratory testing cri-terion of greater than or equal to 99.8% when tested with methyl iodide at 30*C and 70% relative humidity.

3)

Verifying a system flow rate of 19,000 cfm 1 10% during system operation when tested in accordance with Section 8 of ANSI N510-1980.

d.

After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation, by verifying, within 31 days after removal, that a laboratory analysis of a repre-sentative carbon sample obtained in accordance with Section 13 of ANSI H510-1980 meets the laboratory testing criterion of greater than or equal to 99.8% when tested with methyl iodide at 30'C and 70% relative humidity.

e.

At least once per 18 months by:

1)

Verifying that the pressure drop across the combined HEPA filters, charcoal adsorber banks and cooling coil is less than 7.1 inches Water Gauge while operating the system at a flow rate of 19,000 cfm i 10%;

2)

Verifying that on a Control Room Isolation Test Signal, tr.e sys-tem automatically switches into an emergency mode of operation with flow through the HEPA filters and charcoal adsorber banks; V0GTLE - UNIT 1 3/4 7-15

PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 3)

Verifying that the system maintains the control room at a positive pressure of greater than or equal to 1/8 inch Water Gauge at less than or equal to a pressurization flow of 850 cfm relative to adjacent areas during system operation; 4)

Verifying that the heaters ' dissipate 11816 kW when tested in accordance with Section 14 of ANSI N510-1980; and 5)

Verifying that on a Control Room / Toxic Gas Isolation test signal, the control room isolation dampers close within 6 seconds and the system automatically switches into an isolation mode of operation with flow through the HEPA filters and charcoal adsorbers.

f.

After each complete or partial replacement of a HEPA filter bank, by verifying that the HEPA filter banks remove greater than or equal to 99.95% of the 00P when they are tested in place in accordance with Section 10 of ANSI N510-1980 while operating the system at a flow rate of 19,000 cfm 10%; and g.

After each complete or partial replacement of a charcoal adsorber bank, by verifying that the charcoal absorbers remove greater than or equal to 99.95% of a halogenated hydrocarbon refrigerant test gas when tested in place in accordance with Section 12 of ANSI N510-1980 while operating the system at a flow rate of 19,000 cfm i 10%.

• The verification activity specified by Paragraph 4.7.6.e.3 is waived with respect to the Unit 1 Control Room / Unit 2 Control Room differential pressure during periods of operation of the Unit 2 Emergency HVAC System while conducting pre-operational testing of that system.

The waiver is contingent upon the capability to shut down the applicable Unit 2 HVAC systems within 4 ;

minutes after receipt of a Unit 1 Control Room Isolation signal.

V0GTLE - UNIT 1 3/4 7-16 Amendment No. 4

-- _