Text

Proposed Tech Specs 3/4.6 Re Containment Systems & 3/4.6.1 Re Primary Containment Integrity
	ML20112F631
Person / Time
Site:	Catawba
Issue date:	06/05/1996
From:	; DUKE POWER CO.
To:	;
Shared Package
ML20112F621	List: ML20112F618; ML20112F631;
References
	NUDOCS 9606100040
	Download: ML20112F631 (10)
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3/4.6 ' CONTAINMENT SYSTEMS 3/4.6.1 PRIMARY CONTAINNENT

?

CONTAINMENT INTEGRITY LIMITING CONDITION FOR OPERATION 3.6.1.1 Primary CONTAINMENT INTEGRITY shall be maintained. '

APPLICABILITY: MODES 1, 2, 3, and 4. Wr [ Foo -Mom WMd ACTIONi Without primary CONTAINHENT INTEGRITY, restore CONTAINNENT INTEGRITY within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months . .

SURVEILLANCE REQUIREMENTS 4.6.1.1 Primary CONTAINMENT INTEGRITY shall be demonstrated:

a. At least once per 31 days by verifying that all penetrations

not capable of being closed by OPERABLE containment automatic isolation valves and required to be closed during accident conditions are closed by valves, blind flanges; or deactivated automatic valves secured in their positions, except as provided in Table 3.6-2 of Specification 3.6.3; .

b. By verifying that each containment air lock is in compliance with the requirements of Specification 3.6.1.3; and c.

After except each closingair the containment oflocks, eachif opened penetration followingsubject a Type A to or Type B testin test, by leak rate testing the seal with gas at a pressure not less than P ,14.68 psig, and verifying that when the measured leakage rate for these seals is added to the leakage rates determined pur- -

suant to Specification 4.6.1.2d. for all other Type B and C penetrations, the combined leakage rate is less than to 0.60 L -

a

Except valves,' blind flanges, and deactivated automatic valves which are located inside the annulus or the containment and are locked, sealed or otherwise secured in the closed position. These penetrations shall be verified closed during each COLD SHUTDOWN except that such verification need not be performed more often than once per 92 days.

CATAWBA - UNIT 1 3/4 6-1 Amendment No.

9606100040 960605 PDR ADOCK 05000413 P PDR

CONTAINMENT SYSTEMS CONTAINMENT LEAKAGE LIMITING CONDITION FOR OPERATION 3.6.1.2 Containment leakage rates shall be limited to:

a.' An overall integrated leakage rate of:

1) Less than or equal to L , 0.30% by weigt.t of the containment air per 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months at P,,14.$8 psig, or

2) Les's than or equal to Lt , 0.122% by weight of the containment air per 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months at a reduced pressure of Pt , 7.34 psig.

b. A combined leakage rate of less than 0.60 L, for all penetrations and valves subject to Type B and C tests, when pressurized to P , and

c. A combined bypass leakage rate of less than 0.07 L, for all pene-trations identified in Table 3.6-1 as secondary containment bypass leakage paths when pressurized to Pa .

APPLICABILITY: MODES 1, 2, 3, and 4. * (Foo7 ^/oM A"*cMd -

ACTION:

With: (a) the measured overall integrated containment leakage rate exceeding 0.75 L or 0.75 L t, as applicable, or (b) the measured combined leakage rate for all penetrations and valves subject to Types B and C tests exceeding 0.60 L,, or (c) the combined bypass leakage rate exceeding 0.07 L restore the overall integrated leakage rate to less than 0.75 L, or less ,han t 0.75 Lt . as applicable, and the combined leakage' rate for all penetrations and valves subject to Type B and C tests to less than 0.60 L , and the combined bypass leakage rate to less than 0.07 L System temperature above 200*F. , prior to increa, sing the Reactor C~oolant SURVEILLANCE RE0VIREMENTS '

4.6.1.2 The containment leakage rates shall be demonstrated at the following tes.t schedule and shall be determined in conformance with the criteria speci-fied in Appendix J of 10 CFR Part 50 using the methods and provisions of ANSI N45.4-1972 or the mass-plot method:

CATAWBA - UNIT 1 3/4 6-2 Amendment No.

r 4

4 CONTAINMENT SYSTEMS' ,

ANNULUS VENTILATION SYSTEM i

LIMITING CONDITION FOR OPERATION

3.6.1.8 Two independent Annulus Ventilation Systems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4.

+ (PoarWorc. Nerac+eD)

ACTION:

a. With one Annulus Ventilation Systeni inoperable for reasons other than the pre-heaters tested in 4.6.1.8.a and 4.6.1.8.d.5, restore the inoperable system to OPERABLE status within 7 days or be in at least HOT witinin the STANDBY following 30within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN hours. .

b. With the pre-heaters tested in 4.6.1.8.a and 4.6.1.8.d.5' .

inoperable, restore the inoperable pre-heaters to operable status I within 7 days, or file a Special Report in accordance with Specification 6.9.2 within 30 days specifying the reason for inoperability and the planned actions to return the pre-heaters to 1 operable status. -

SURVEILLANCE REQUIREMENTS 4.6.1.8 Each Annulus Ventilation System shall be demonstrated OPERABLE:

a.

At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filters and activated carbon adsorbers and verifying that the system operates for at '

least 10 continuous hours with the pre-heaters operating;

b. At least once per 18 months or (1) after any structural maintenance '

on the HEPA filter or activated carbon adsorber housings, or (2) following painting, fire, or chemical release in any ventilation zone communicating with the system by:

1) Verifying that the cleanup system satisfies the in-place pene-tration and bypass leakage testing acceptance criteria of less than 1% and uses the test procedure guidance in Regulatory Positions C.S.a C.5.c, and C.S.d* of, Regulatory Guide 1.52, !

Revision 2 March 1978, and the system flow rate is 9000 cfm 110%;

2) Verifying, within 31 days after removal, that a laboratory analysis ** of a representative activated carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, and tested per ASTM D3803-89 has a methyl iodide penetration of less than 4%;

and

3) Verifying a system flow rate of 9000 cfm 10% during system operation when tested in accordance with ANSI N510-1980.

The requirement for reducing refrigerant concentration to 0.01 ppm may be satisfied by operating the system for 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months with heaters on and operating.

CATAWBA - UNIT 1 3/4 6-14 Amendment No.

CONTAINMENT SYSTEMS CONTAINMENT PURGE SYSTEMS

' LIMITING CONDITION FOR OPERATION 3.6.1.9 Each containment purge supply and exhaust isolation valve shall be OPERABLE and: -

a. Each containment purge supply and/or exhaust isolation valve for the lower compartment and the up)er compartment (24-inch),

instrument room (12-inch), and t te Hydrogen Purge System (4-inch) shall be sealed closed, and

b. The Containment Air Release and Addition System (4-inch) isolation valve (s) may be open for up to 3000 hours0.0347 days 0.833 hours 0.00496 weeks 0.00114 months during a calendar year for pressure control, for ALARA and respirable air quality considerations for personnel entry and for surveillance tests that require the valve (s) to be open.

APPLICABILITY: MODES 1, 2, 3, and 4. 4 ( Fo W S ## #

ACTION:

a. With any containment purge supply and/or exhaust isolation valve for the lower compartment and the upper compartment, or instrument room, or Hydrogen Purge System open or not sealed closed, close and/or seal closed that valve or isolate the penetrations (s) within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months , otherwise be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months . '

b. With the Containment Air Release and Addition System isolation valve (s) open for more than 3000 hours0.0347 days 0.833 hours 0.00496 weeks 0.00114 months during a calendar year or for reasons other than given in 3.6.1.9b. above, close the open valve (s)orisolatethepenetration(s)within4 hours,otherwisebe 1 in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months , and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

c. With a containment purge supply and/or exhaust isolation valve (s) having a measured leakage rate in excess of the limits of Specifi-

. cations 4.6.1.9.3 and/or 4.6.1.9.4, restore the inoperable valve (s) to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , otherwise be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months , and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

i CATAWBA - UNIT 1 3/4 6-16 Amendment No.

\ .

Proposed Revision to Technical Specifications 3.6.1.1, 3.6.1.2, and 3.6.1.9.

Add the following footnote to the Applicability statement for

! the affected Technical Specifications:

"A one-time change is granted to have the containment purge supply and/or exhaust isolation valves for the upper and lower compartment open in Modes 3 and 4 following the steam generator replacement outage. The cumulative time for having the valves open in Modes 3 and 4 is limited to seven (7) days.

A1.' other provisions of this specification apply with the exception of those containment purge valves open in Modes 3 and 4. Each valve will be sealed closed prior to initial entry into Mode 2."

Proposed Revision to Technical Specification 3.6.1.8.

Add the following footnote to the Applicability statement for the affected Technical Specification:

"A one-time change is granted in Modes 3 and 4 to allow repair activities for the containment purge supply and/or exhaust isolation valves for the upper and_ lower compartment that were open in Modes 3 and 4 following the steam generator replacement outage."

l l

1

. I 3/4.6 CONTAINMENT SYSTEMS 3/4.6.1 PRIMARY CONTAINMENT 1 l

CONTAINMENT INTEGRITY l

LIMITING CONDITION FOR OPERATION 1

3.6.1.1 Primary CONTAINMENT INTEGRITY shall be maintained.

APPLICABILITY: MODES 1, 2, 3, and 4.**

ACTION:

Without primary CONTA!NMENT INTEGRITY, restore CONTAINMENT INTEGRITY within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

SURVEILLANCE REQUIREMENTS , 4.6.1.1 Primary CONTAINMENT INTEGRITY shall be demonstrated:

a. At least once per 31 days by verifying that all penetrations

not capable of being closed by 0PERABLE containment automatic isolation valves and required to be closed during accident conditions are closed by valves, blind flanges, or deactivated automatic valves secured in their positions, except as provided in Table 3.6-2 of Specification 3.6.3;

b. By verifying that each containment air lock is in compliance with the requirements of Specification 3.6.1.3; and

c. After each closing of each penetration subject to Type B testing, except the containment air locks, if opened following a Type A or B test, by leak rate testing the seal with gas at a pressure not less than P ,14.68 psig, and verifying that when the measured leakage rate for these seals is added to the leakage rates determined pur-suant to Specification 4.6.1.2d. for all other Type B and C penetrations, the combined leakage rate is less than to 0.60 L,.

Except valves, blind flanges, and deactivated automatic valves which are located inside the annulus or the containment and are locked, sealed or otherwise secured in the closed position. These penetrations shall be verified closed during each COLD SHUTDOWN except that such verification need not be performed more often than once per 92 days.

- A one-time change is granted to have the containment purge supply and/or exhaust isolation valves for the upper and lower compartment open in Modes 3 and 4 following the steam generator replacement outage. The cumulative time for having the valves open in Modes 3 and 4 is limited to seven (7) days. All other provisions of this specification apply with the exception of those containment purge valves open in Modes 3 and 4. Each valve will be sealed closed prior to initial entry into Mode 2.

CATAWBA - UNIT 1 3/4 6-1 Amendment No.

CONTAINMENT SYSTEMS CONTAINMENT LEAKAGE l

) LIMITING CONDITION FOR OPERATION 1

3.6.1.2 Containment leakage rates shall be limited to:

a. An overall integrated leakage rate of less than or equal to L,, 0.305 4 j by weight of the containment air per 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months at P,,14,68 psig.

4 b. A combined leakage rate of less than 0.60 L, for all penetrations and valves subject to Type B and C tests, when pressurized to P , and

c. A combined bypass leakage rate of less than 0.07 L, for all pene-trations identified in Table 3.6-1 as secondary containment bypass j leakage paths when pressurized to P,.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTI_03:

With:

(a) the measured overall integrated containment leakage rate exceeding 0.75 L , or (b) the measured combined leakage rate for all penetrations and or (c) the combined 4

i bypass leakage rate to less than 0.75 L, and the com rate exceeding

, restore the overa 0.07 L,bined leakag and valves subject to Type B and C tests to less than 0.60 L,, and the

, combined bypass leakage rate to less than 0.07 L, prior to increasing the Reactor Coolant System temperature above 200*F. i

~

SURVEILLANCE RE0VIREMENTS 4.6.1.2 Type A containment leakage rates shall be demonstrated as required by 10 CFR 50.54(o) and Appendix J of 10 CFR Part 50, Option B, as modified by approved exemptions, and in accordance with the guidelines of Regulatory Guide 1.163, September, 1995.

l 4

i

*A one-time change is granted to have the containment purge supply and/or

] exhaust isolation valves for the upper and lower compartment open in Modes 3 and 4 following the steam generator replacement outage. The cumulative

.' time for having the valves open in Modes 3 and 4 is limited to seven (7) days. All other provisions of this specification apply with the exception

. of those containment purge valves open in Modes 3 and 4. Each valve will be sealed closed prior to initial entry into Mode 2.

CATAWBA - UNIT 1 3/4 6-2 Amendment No.

CONTAINHENT SYSTEMS ANNULUS VENTILATION SYSTEM LIMITING CONDITION FOR OPERATION 3.6.1.8 Two independent Annulus Ventilation Systems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4.**

ACTION:

a. With one Annulus Ventilation System inoperable for reasons other than the pre-heaters tested in 4.6.1.8.a and 4.6.1.8.d.5, restore the inoperable syster to OPERABLE status within 7 days or be in at least H0T STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months . l 1

b. With the pre-heaters tested in 4.6.1.8.a and 4.6.1.8.d.5 inoperable, restore the inoperable pre-heaters to operable status within 7 days, or file a Special Report in accordance with Specification 6.9.2 within 30 days specifying the reason for inoperability and the planned actions to return the pre-heaters to operable status. l SURVEILLANCE REQUIREMENTS 4.6.1.8 Each Annulus Ventilation System shall be demonstrated OPERABLE:

a. At least once per 31 days on a STAGGERED TEST BASIS by initiating, from the control room, flow through the HEPA filters and activated carbon adsorbers and verifying that the system operates for at i least 10 ccntinuous hours with the pre-heaters operating, I

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

1) Verifying that the cleanup system satisfies the in-place pene-tration and bypass leakage testing acceptance criteria of less than 1% and uses the test procedure guidance in Regulatory Positions C.S.a, C.5.c, and C.5.d* of Regulatory Guide 1.52, Revision 2, March 1978, and the system flow rate is 9000 cfm 110%;

The requirement for reducing refrigerant concentration to 0.01 ppm may be satisfied by operating the system for 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months with heaters on and operating.

- A one-time change is granted in Modes 3 and 4 to allow repair activities for the containment purge supply and/or exhaust isolation valves for the upper and lower compartment that were open in Modes 3 and 4 following the steam generator replacement outage.

CATAWBA - UNIT 1 3/4 6-14 Amendment No.

CONTAINHENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

2) Verifying, within 31 days after removal, that a laboratory analysis ** of a representative activated carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, and tested per ASTM D3803-89 has a methyl iodide penetration of less than 4%;

and

3) Verifying a system flow rate of 9000 cfm

10% during system operation when tested in accordance with ANSI N510-1980,

c. After every 720 hours0.00833 days 0.2 hours 0.00119 weeks 2.7396e-4 months of activated carbon adsorber operation, by verifying, within 31 days after removal, that a laboratory analysis ** of a representative activated carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, and tested per ASTM-D3803-89 has a methyl iodide penetration of less than 4%;

d. At least once per 18 months by:

1) Verifying that the 3ressure drop across the combined HEPA fil-ters, activated car)on adsorber banks, and moisture separators is less than 8 inches Water Gauge while operating the system at a flow rate of 9000 cfm i 10%;

2) Verifying that the system starts automatically on any safety injection test signal,

3) Verifying that the filter cooling electric motor-operated bypass valves can be manually opened,

4) Verifying that each system produces a negative pressure of greater than or equal to 0.5 inch Water Gauge in the annulus within 1 minute after a start signal, and

5) Verifying that the pre-heaters dissipate 45 2 6.7 kW at a nominal voltage of 600 vac.

e. After each complete or partial replacement of a HEPA filter bank, by verifying that the cleanup system satisfies the in-place penetration and bypass leakage testing acceptance criteria of less than 1% in accordance with ANSI N510-1980 for a D0P test aerosol while operating the system at a flow rate of 9000 cfm i 10%; and

f. After each complete or partial replacement of an activated carbon adsorber bank, by verifying that the cleanup system satisfies the in-place penetration and bypass leakage testing acceptance criteria of less than 1% in accordance with ANSI N510-1980 for a halogenated hydrocarbon refrigerant test gas while operating the system at a flow rate of 9000 cfm i 10%.

- Activated carbon adsorber samples are tested at 30 degrees C and 95% RH.

CATAWBA - UNIT 1 3/4 6-15 Amendment No.

CONTAINMENT SYSTEMS CONTAINMENT PURGE SYSTEMS LIMITING CONDITION FOR OPERATION 3.6.1.9 Each containment purge supply and exhaust isolation valve shall be OPERABLE and:

a. Each containment purge supply and/or exhaust isolation valve for the lower compartment and the up)er compartment (24-inch),

instrument room (12-inch), and tie Hydrogen Purge System (4-inch) shall be sealed closed, and

b. The Containment Air Release and Addition System (4-inch) isolation valve (s) may be open for up to 3000 hours0.0347 days 0.833 hours 0.00496 weeks 0.00114 months during a calendar year for pressure control, for ALARA and respirable air quality considerations for personnel entry and for surveillance tests that require the valve (s) to be open.

APPLICABILITY: MODES 1, 2, 3, and 4.* l ACTION:

i 1

a. With any containment purge supply and/or exhaust isolation valve l for the lower compartment and the upper compartment, or instrument '

room, or Hydrogen Purge System open or not sealed closed, close and/or seal closed that valve or isolate the penetrations (s) within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months , otherwise be in at least HOT STANDBY within the next 6 I hours and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months . I

b. With the Containment Air Release and Addition System isolation valve (s) open for more than 3000 hours0.0347 days 0.833 hours 0.00496 weeks 0.00114 months during a calendar year or for reasons other than given in 3.6.1.9b. above, close the open valve (s) or isolate the penetration (s) within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months , otherwise be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months , and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

c. With a containment purge supply and/or exhaust isolation valve (s) having a measured leakage rate in excess of the limits of Specifi-cations 4.6.1.9.3 and/or 4.6.1.9.4, restore the inoperable valve (s) to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , otherwise be in at least H0T STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months , and in COLD SHUT 00WN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

A one-time change is granted to have the containment purge supply and/or exhaust isolation valves for the upper and lower compartment open in Modes 3 and 4 following the steam generator replacement outage. The cumulative time for having the valves open in Modes 3 and 4 is limited to seven (7) days. All other provisions of this specification apply with the exception of those containment purge valves open in Modes 3 and 4. Each valve will be sealed closed prior to initial entry into Mode 2.

CATAWBA - UNIT 1 3/4 6-16 Amendment No.

ML20112F631

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