ML20094Q188

Proposed Tech Specs,Modifying TS LCO 3.7.5 to Raise Minimum Water Level of Standby Nuclear SW Pond from 570 Feet to 571 Feet

ML20094Q188
Person / Time
Site:	Catawba
Issue date:	11/15/1995
From:	DUKE POWER CO.
To:
Shared Package
ML20094Q182	List: ML20094Q178 ML20094Q188
References
NUDOCS 9512010078
Download: ML20094Q188 (4)

Text

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PLANT SYSTEMS 3/4.7.5 STANDBY NUCLEAR SERVICE WATER PONO LIMITING CONDITION FOR OPERATION 4

l 3.7.5 The standby nuclear service water pond (SNSWP) shall be OPERABLE with:

i STI

a. A minimum water level at or above olevation $Pt feet Mean Sea Level, USGS datum, and l l

b. An average water temperature of lest than or equal to 91.5'F at 6 elevation 568 feet in the SNSWP. h APPLICABILITY: MODES 1,* 2, 3, and 4.

ACTION:

I With the requirements of the above specification not satisfied, be in at least HOT STAN08Y within 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 />.

SURVEILLANCE REQUIREMENTS i(

i 4.7.5 The SNSWP 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 to be within its limit, s

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b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> during the months of July, August, and September by verifying the water temperature to be within its limit,

c. At least once per 12 months by visually inspecting the SNSWP das and' verifying no abnormal degradation, erosion, or excessive seepage, and j d. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> during the months of July, August and i September while the Nuclear Service Water Sys tem is aligned to Lake 4

Wylie by recording the water temperature of Lake Wylie, as measured in the discharge path of an operating Nuclear Service Water pump.

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() CATAWBA - UNITS 1 & 2 3/4 7-13 Amendment No. (Unit 1)

Amendment No. 1 (Unit 2) bR 1 -

4 1

Reprinted TS Pages i

[

PLANT SYSTEMS -

3/4.7.5 STANDBY NUCLEAR SERVICE WATER PONO LIMITING CONDITION FOR OPERATION '

2 3.7.5 The standby nuclear service water pond (SNSWP) shall be OPERABLE with:

a.

A minimum USGS water datum, and level at or above elevation 571 feet Mean Sea Level, i

b.

An average water temperature of less than or equal to 91.5'F at elevation 568 feet in the SNSWP.

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

1 ACTION:

4 With the requirements of the above specification not satisfied, be in at least HOT STANDBY within 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 ho SURVEILLANCE RE0VIREMENTS 4.7.5 The SNSWP shall be determined OPERABLE:

a. i At itsleast 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 to be within limit, b.

At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> during the months of July, August, and September by verifying the water temperature to be within its limit,

c. At least once 3er 12 months by visually inspecting the SNSWP dam and verifying and no a) normal degradation, erosion, or excessive seepage, i

d.

At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> during the months of July, August and September while the Nuclear Service Water System is aligned to take

• Wylie by recording the water temperature of Lake Wylie, as measured in the discharge path of an operating Nuclear Service Water pump.  !

1 l

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

t '

~

4 s

i PLANT SYSTENS 3/4.7.5 STANDBY NUCLEAR SERVICE WATER POND f

i LINITING CONDITION FOR OPERATION l

, 3.7.5 The standby nuclear service water pond (SNSWP) shall be OPERABLE with:

a. ~ A minimum water level at or above elevation 571 feet Nean Sea Level,

', USGS datum, and I b. An average water temperature of less than or equal to 91.5'F at

! elevation 568 feet in the SNSWP.

APPLICABILITY: NODES 1, 2, 3, and 4. j ACTION:

With the requirements of the above specification not satisfied, be in at least i HOT STANDBY within 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

SURVEILLANCE REOUIREMENTS i

4.7.5 The SNSWP 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 to be within

its limit, i

b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> during the months of July, August, and i September by verifying the water temperature to be within its limit, j c. At least once per 12 months by visually inspecting the SNSWP dam and

. verifying no abnormal degradation, erosion, or excessive seepage, and

d. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> durin the months of July, August and September while the Nuclear Serv ce Water System is aligned to Lake Wylie by recording the water temperature of Lake Wylie, as measured j in the discharge path of an operating Nuclear Service Water pump.

1

^

l CATAWBA - UNIT 2 3/4 7-15 Amendment No.