ML20215G449
| ML20215G449 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 04/10/1987 |
| From: | Carey J DUQUESNE LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8704170112 | |
| Download: ML20215G449 (8) | |
Text
O me
'At5 Telephone (412) 333-6000 Nuclear Group
$hSppYgp' ort, PA 150U-0004 April 10, 1987 U.
S. Nuclear Regulatory Commission Attn:
Document Control Desk Washington, DC 20555
Reference:
Beavor Valley Power Station, Unit No. 1 and No. 2 BV-1 Docket No. 50-334, License No. DPR-66 BV-2 Docket No. 50-412 Technical Specification Change Request No. 126, Rev. 2; Advanced Informational Copy Gentlemen:
Attached for your review is an informational copy of our proposed Technical Specifications for the Control Room Emergency Habitability Systems for both Beaver Valley Unit 1
and Unit 2.
Wo intend to formally submit this Technical Specification change by April 16, 1987, following reviews by our Onsite Safety Committee and Offsite Review Committec.
If you have any questions regarding this advanced informational copy, please contact me or members of my staff.
Very truly yours, J. J. Carey Senior Vice President, Nuclear cc Mr. W.
M. Troskoski, Resident Inspector U. S. Nuclear Regulatory Commission Beaver Valley Power Station Shippingport, PA 15077 U.
S.
Nuclear Regulatory Commission Regional Administrator Region 1 631 Park Avenuo King of Prussia, PA 19406 Mr. Potor S. Tam U.
S. Nuclear Regulatory Commission Project Directorate No. 2 Division of PWR Licensing - A Washington, DC 20555
(
- Mail Stop 316 0g)
Addressee only
'l 0704170112 070410 PDR ADDCK 05000334 P
ppg
i PLANT SYSTEMS l
3/4.7.7 CONTROL ROOM EMERGENCY HABITABILITY SYSTEMS I
)
LIMITING CONDITION FOR OPERATION i
3.7.7.1 The control room emergency habitability system is OPERABLE when:
a.
Two out of three emergency ventilation subsystems, fans and j
associated filters are OPERABLE, and i
b.
Five bottled air pressurization subsystems consisting of two j
bottles por subsystem are OPERABLE, and i
i c.
The series inlet and outlet dampers are OPERABLE, and capable of j
automatic closure on a
- CIB, Control Room High Radiation and j
Chlorino isolation signal, or closed.
1 APPLICABILITY:
- a. With either unit
- in MODES 1, 2, 3 and 4, or
[
j
- b. During irradiated fuel movement at either unit and l
- a. above or i
- c. Refer to T.S.
3.9.15 when both units are in either 4
MODES 5 or 6 ACTION:
j a.
With loss than two emergency ventilation subsystems, fans and j
associated filters
- OPERABLE, restore at least two subsystems to
]
OPERABLE status within 7
days or be in at least HOT STANDBY i
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 />.
b.
With less than 100%,
but greater than or equal to 80% of the i
J equivalent capacity of the bottled air pressurization system i
available for pressurization, restore the capacity to 100% within 7
days or bo 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 i
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 />.
b.1 With less than 80% of the equivalent capacity of the bottled air pressurization system availablo for pressurization, the t
d
}
requirements of 3.0.3 are applicablo and movement of irradiated fuel shall be suspended.
i c.
With one open series inlet or outlet damper inoperable and not capable of closing, rostoro all series dampers to OPERABLE status j
within 7
days or be in at least HOT STANDBY within the next 6 i
hours 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 c.1 With both series inlot or outlet dampers inoperable and not capablo of being closed, the requirements of 3.0.3 are applicablo i
and movement of irradiated fuel shall be suspended.
i I
l d.
The requirements of 3.0.4 are not applicable.
l 1
I Emergency power for one train of dampors of the Unit in MODES 5 1
or 6 nood not be availablo.
i
[
BEAVER VALLEY - UNITS 1 & 2 3/4 7-16
{
PROPOSED WORDING
PLANT SYSTEMS SURVEILLANCE REQUIREMENTS 4.7.7.1.1 The BV-1 emergency ventilation subsystem shall be i
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 188'F.
b.
At least once per 31 days by initiating flow through the HEPA filter and charcoal adsorber train and verifying that the train operates for 15 minutes, c.
At least once per 18 months or after every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation and (1) after each complete or partial replacement of a
HEPA filter or charcoal adsorber bank, or (2) after any structural maintenance on the HEPA filter or charcoal adsorber housing or (3) 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 penetration and by-pass leakage testing acceptance criteria of less than 1%
when tested in accordance with ANSI N510-1980 while operating the ventilation system at a flow rate of 800 cfm i 10%.
2.
Subjecting the carbon contained in at least one test canister or at least two carbon samples removed from one of the charcoal adsorbers to a laboratory carbon sample analysis and verifying a removal efficiency of t
l 1
99%*
for radioactive methyl iodine at an air flow velocity of 0.60 ft/sec 120%
with an inlet methyl 8
iodide concentration of 1.5 to 2.0 mg/m,
170%
relative
- humidity, and 30*C 11/2*C; other test i
conditions shall be in accordance with ANSI N510-1980.
The carbon samples not obtained from test canistors shall be prepared by either:
I a)
Emptying one entire bed from a removed adsorber l
- tray, mixing the adsorbent thoroughly, and l
obtaining samples at least two inches in diameter l
and with a
length equal to the thickness of tho bed, or i
b)
Emptying a
longitudinal sample from an adsorbor i
- tray, mixing the adsorbent thoroughly, and obtaining samplos at least two inches in diameter and with length equal to the thickness of the bed.
l 97% untti the end of the Unit 1 Sixth Refueling Outage.
BEAVER VALLEY - UNIT 1 & 2 J/4 7-17 PROPOSED WORDING
PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (continued) 3.
Verifying a
system flow rate of 800 cfm 110% during system operation.
I d.
At least once per 18 months by:
1.
Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is <6 inches Water Gauge while operating the ventilation system at a i
flow rate of 800 cfm 110%.
i 2.
Verifying that on a
chlorine / control room high radiation / containment phase B
isolation test signal from either Unit *, the system automatically closes all the series isolation ventilation system dampers which 1
isolate the combined control room from the outside i
atmosphere.
i 3.
Vorifying that one emergency ventilation subsystem i
maintains the combined control room at a
positive pressure of
>1 inch Water Gauge relativo to the outsido atmospEar/8o during system operation.
4.7.7.1.2 The BV-2 omorgency ventilation subsystems shall be j
demonstrated OPERABLE:
i a.
At least onco por 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 i
room air temperaturo is 188'F.
b.
At least onco por 31 days by initiating flow through each l
HEPA filter and charcoal adsorber train and by verifying j
that the train operates for 15 minutos.
i i
c.
At least onco por 18 months, or after overy 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of
~
system oporation and (1) after cach complete or partial I
replacement of a
HEPA filter or charcoal adsorber bank, or j
(2) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (3) following painting, firo 1
or chemical release in any ventilation zono communicating l
with the system by:
)
1.
Vorifying that the filtration system satisfies the I
in-place penetration and by-pass leakage testing l
acceptanco critoria of loss than 1%
when testod in i
accordanco with ANSI N510-1980 while operating the ventilation system at a flow rato of 800-1000 cim.
l Input from Unit 2 is not applicable until prior to initial entry into MODE 4.
)
I I
i i
BEAVER VALLEY - UNITS 1 & 2 3/4 7-18 t
1 PROPOSED WORDING
PLANT SYSTEMS SURVEILLANCE REQUIREMENTS, Continued 2.
Subjecting the carbon contained in at least one test canister or at least two carbon samples removed from one of the charcoal adsorbers to a laboratory carbon sample analysis and verifying a removal efficiency of 199%
for radioactive methyl iodine at an air flow velocity of 0.70 ft/sec 120%
with an inlet methyl iodine concentration of 1.5 to 2.0 mg/m3, 170% relative
- humidity, and 30*C 11/2*C; other test conditions shall be in accordance with ANSI N510-1980.
The carbon samples not obtained from test canisters shall be prepared by either:
a)
Emptying one entire bed from a removed adsorber
- tray, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with a
length equal to the thickness of the bed, or b)
Emptying a
longitudinal sample from an adsorber
- tray, mixing the adsorbent thoroughly, and obtaining samples at least two inches in diameter and with a
longth equal to the thickness of the bed.
3.
Vorifying a
system flow rate of 800 to 1000 cfm during system operation.
d.
At least once per 18 months by:
1.
Verifying that the pressure drop for each filter assembly is
<3.0 inches Water Gauge across each HEPA filter and <0.9 inches Water Gauge across each charcoal filter while operating the ventilation system at a flow rate of 800 to 1000 cfm.
2.
Verifying that on a
Containn ent Isolation Phase B/ Control Room High Radiation test signal from either Unit *,
the system automatically closes all the series isolation ventilation system dampers which isolate the combined control room from the outside atmosphere and the system automatically starts within 60 minutes and from either Unit
- supplies air to the control room i
through the HEPA filters and charcoal adsorber banks.
3.
Verifying that on a
chlorine test signal from oither Unit *,
the system automatically closos all the series isolation ventilation system dampers which isolate the combined control room from the outsido atmosphere.
Input from Unit 2 is not applicable until prior to initial entry into MODE 4.
BEAVER VALLEY UNITS 1 & 2 3/4 7-18a PROPOSED WORDING
n PLANT SYSTEMS SURVEILLANCE REQUIREMENTS, (continued) 4.
Verifying that one emergency ventilation subsystem maintains the control room at a positive pressure of 21/8 inch Water Gauge relative to the outside atmosphere during system operation.
i 4.7.7.2 The bottled air pressurization system shall be demonstrated OPERABLE:
a.
At least once per 31 days by verifying that the system contains a
minimum of 10 bottles of air each pressurized to at least 1825 psig and by verifying that the system solenoid operated valves are powered from an operable emergency bus.
4 b.
At least once por 18 months be verifying that:
1 1.
A chlorino/ control room high radiation / containment phaso B
isolation test signal from either Unit
- will initiate system operation.
I 2.
Upon a
partial discharge test using four out of five bottled air subsystems the system will pressurize the control room to 11/8 inch Water i
Gauge relative to the outside atmosphere during I
system operation.**
i 1
i Input from Unit 2 is not applicable until prior to initial entry into MODE 4.
A one-time one-hour dischargo test has been performed utilizing j
four out of fivo bottled air subsystems demonstrating the bottled air pressurization system will supply at least 800 cfm of air to i
maintain the combined control room at a positive pressure of 11/8 l
inch Water Gauge relativo to the outside atmosphoro.
l l
l BEAVER VALLEY UNITS 1 & 2 3/4 7-18b 4
PROPOSED WORDING 1
PLANT SYSTEMS 3/4.9.15 CONTROL ROOM EMERGENCY HABITABILITY SYSTEMS LIMITING CONDITION FOR OPERATION 3.9.15.1 The control room emergency habitability system is OPERABLE when:
a.
Two out of three emergency ventilation subsystems, fans and associated filters are OPERABLE, and b.
Five bottled air pressurization subsystems consisting of two bottles per subsystem are OPERABLE, and c.
The series inlet and outlet dampers are OPERABLE, and capable of automatic closure on a control Room High Radiation and Chlorine isolation signal *, or closed.
APPLICABILITY:
When both units are in either MODE 5 or 6.
ACTION:
a.
With loss than two cmorgency ventilation subsystems, fans and associated filters OPERABLE and irradiated fuel being
- moved, rostore at least two subsystems to OPERABLE status within 7
days or initiato and maintain operation of the remaining OPERABLE emergency ventilation subsystem with a series inlot and outlet damper closed on cach intake and exhaust to the control room.
b.
With loss than 100%, but greater than or equal to 80% of the equivalent capacity of the bottled air pressurization system available for pressurization, restoro the capacity to 100%
within 7
days or suspend all operations involving movement of irradiated fuel.
b.1 With less than 80% of the equivalent capacity of the bottled air pressurization system available for pressurization or no cmorgency ventilation subsystems
- OPERABLE, suspend all operations involving movement of irradiated fuel.
c.
With one open series inlot or outlet damper inoperablo# and not capable of closing and irradiated fuel being moved, rostoro all series dampors to OPERABLE status within 7 days or initiato and maintain operation of one omorgency ventilation subsystem with a series inlet and outlet damper closed on each intako and oxhaust to the control room.
Not applicable when output rolay fuses aro removed to provent inadvertant ESF actuation.
Emorgoney backup power not required for any 1
of 2 series dampora.
DEAVER VALLEY - UNIT 1 & 2 3/4 9-16 PROPOSED WORDING
PLANT SYSTEMS LIMITING CONDITION FOR OPERATION col With both series inlet or outlet dampers inoperable # and not capable of being
- closed, suspend all operations involving movement of irradiated fuel.
d.
The requirements of 3.0.4 are not applicable.
SURVEILLANCE REQUIREMENTS 4.9.15.1 The emergency ventilation subsystems and the bottled air pressurization system shall be demonstrated OPERABLE in accordance with Specifications 4.7.7.1.1, 4.7.7.1.2 and 4.7.7.2 with the following exceptions a.
Automatic operation upon receipt of a containment phase B isolation signal is not required.
n Emergency backup power not required for any 1
of 2 serios dampors.
BEAVER VALLEY - UNITS 1 & 2 3/4 9-17 PROPOSED WORDING i
l