B14203, Proposed Tech Specs Re Flood Protection Consistent at Plant for Each Unit

Proposed Tech Specs Re Flood Protection Consistent at Plant for Each Unit

ML20078R307
Person / Time
Site:	Millstone
Issue date:	12/16/1994
From:	NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:
Shared Package
ML20078R305	List: B14203, Proposed Tech Specs Re Flood Protection Consistent at Plant for Each Unit ML20078R299
References
B14203, NUDOCS 9412270014
Download: ML20078R307 (6)

Text

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f Docket No. 50-336' B14203 I

l Attachment 1 Millstone Nuclear Power Station, Unit No. 2 Proposed Revision to Technical Specifications Service Water Pump Flood Protection Marked-Up Technical Specifications December 1994 9412270014 941216 PDR ADOCK 05000336 P PDR.

NPetember 0,1970-Table 3. 3-8 METEOROLOGICAL MONITOP!NG INSTRUMENTATION INSTRUMENT P!',:v." -

MINIMF C W.*; .'.

I N S T R .;ME'.T LOCATION 0;ERIELE ACCURACY

1. W:ND SPEED

a. Ncrina' Eie'. 142 ft. 0. 22 r.'sec

• 1

b. Nominal Elev. 374 ft. 1 0.22 risec* 1

2. WIN: :: RE CT10'4

a. Nor4nal Elev. 142 ft.  ; 5' 1 k.

b. Norinal Elev. 374 ft.  ; 5' 1

3. A:; TEM:ER* ;RE - DELTA T

a. Nerinal Elev. 142 ft.  ; 0.18'F 1

b. Norinal Elev. '7 ft. 1 0.1E*F 1 7'14 Starting speed of anemonster shall be < 0.45 m/sec.

MILLSTONE - UNIT 2 3/4 3-37 bb%dn'd O J

I

. August 2, 1985 1

PLANT SYSTEMS 1 l

3/4.7.5 FLOOD LEVEL LIMITING CONDITION FOR OPERATION 3.7.5.1 At least one OPERABLE service water pump motor shall be pro-tected against flooding to a minimum elevation of 28 feet Mean Sea Level USGS datum if either:

a. The water level, including wave crest height, is exceeding plant grade level (14.0 feet Mean Sea Level USGS datum), or

b. Three or more of the following conditions are occurring simultaneously:

1. The center of a storm, as determined by radar, recon-naissance or forecasted track projection, is presently located within the critical area as defined on Figure 3.7-1.

2. The projected track of a storm approaching the facility

- as determined by radar, reconnaissance or forecasted

-- track projection,- lies between 130* and 350*.

e The central pressure of the storm is or is forecasted to 3.

be < 28.0 in. Hg; or the measured 15 minute average wind speed at M - % G elevation 3M.on the meteorolocical

~

(- tower exceeds 60 mph. 4 ly2' ABovE GRADC The 15 minute average wind direction at acW.' elevation GC4 on the meteorological tower is within the sector from 150' clockwise to 300*.

-_ APPLICABILITY: ALL MODES ACTION:

Witn the water level exceeding either plant grade or with three or more I of tne above specified meteorological conditions being exceeded simul-teneously, imediate initiate action to protect at least one service water pump motor against flooding to a minimum elevation of 28 feet; complete this protective action within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

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l l

MILLST0tE - UNIT 2 3/4 7-13 Amencment No.

uN/T 2 PTSCR sm

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Docket No. 50-336 B14203 !

Attachment 2 Millstone Nuclear Power Station, Unit No. 2 ,

Proposed Revision to Technical Specifications Service Water Pump Flood Protection Retyped Technical Specifications i

l l

l l

December 1994

P Table 3.3-8 NETEOROLOGICAL MONITORING INSTRUMENTATION ,

INSTRUMENT MINIMUM l MINIMUM CHANNELS INSTRUMENT LOCATION ACCURACY OPERABLE

1. WIND SPEED 4

a. Nominal Elev.142 ft. 1 0.22 m/sec* 1

b. Nominal Elev. 374 ft. t 0.22 m/sec* 1

2. WIND DIRECTION

a. Nominal Elev.142 ft. i 5* 1

b. Nominal Elev. 374 ft. i 5* 1

3. AIR TEMPERATURE - DELTA T

a. Nominal Elev.142 ft. 1 0.18'F 1

b. Nominal Elev. 374 ft. i 0.18'F 1 Starting speed of anemometer shall be < 0.45 m/sec.

i NILLSTONE - UNIT 2 3/43-37 Amendment No. JJ, 0178

i

. 1 PulNT SYSTEMS j 3/4.7.5 FLOOD LEVEL i LINITING COM ITION FOR OPERATION l

l 4 3.7.5.1 At least one OPERABLE service water pump motor shall be pro- l tected against flooding to a minimum elevation of 28 feet Mean Sea Level USGS datus if either: j

a. The water level, including wave crest height, is exceeding i plant grade level (14.0 feet Mean Sea Level USGS datum), or

b. Three or more of the following conditions are occurring simultaneously:

1. The center of a storm, as determined by radar, recon- I naissance or forecasted track projection, is presently 1 located within the critical area as defined on Figure 3.7-1. I

2. The projected track of a storm approaching the facility as determined by radar, reconnaissance or forecasted track projection, lies between 130' and 350'.

3. The central pressure of the storm is or is forecasted to be 1 28.0 in. Hg; or the measured 15 minute average wind speed at elevation 142' above grade on the stoorological tower  :

i exceeds 60 mph. -

4. The 15 minute average wind direction at elevation 142' above j grade on the meteorological tower is within the sector from l 150* clockwise to 300'.

APPLICABILITY: ALL MODES ACTION:

With the water level exceeding either plant grade or with three or more of the above specified meteorological conditions being exceeded simul-taneously, immediate initiate action to protect at least one service water pump motor against flooding to a minimum elevation of 28 feet; complete this protective action within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

IL 3/4 7-13 Amendment No. JPJ, Nn.LSTONE - UNIT 2

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