ML20148J486

From kanterella
Jump to navigation Jump to search
Amend 13 to License DPR-3,including Change 118 to Tech Specs Re Addition of Provisions in Tech Specs for Trip Setpoints of Existing loss-of-flow Instrumentation & Addition of Effective Date for Meeting Original Delta P Requirements
ML20148J486
Person / Time
Site: Yankee Rowe
Issue date: 07/16/1975
From: Purple R
Office of Nuclear Reactor Regulation
To:
Shared Package
ML19291D047 List:
References
NUDOCS 8011240153
Download: ML20148J486 (6)


Text

c

+

L~

UNITED STATES . .  :::

'*' ~

NUCLEAR REGULATORY COMMISSION

'W ASHIN GTON, D. C. 20Ss5

{

=

YANKEEATOMICELECTRIdCOMPANY ' ,f! ,,4 r.:. -

DOCKET NO. 50-29

. ' {4: ]

.=. :=;4:: .

YANKEE NUCLEAR POWER STATION (YANKEE-ROWE)  :::

7:::

AMENDMENT TO FACILITY OPERATING LICENSE h-p j

q f=lE:::E Amendment No. G j;t :lll License No. DPR-3 E:5 4EB
1. The Nuc1 car Regulatory Commission (the Commission) has found that: Ec::M ,

i;:." '.:.:.i A. The application for amendment by Yankee Atomic Electric Company  !,,  :.1:

(the licensee) dated January 13, 1975, and supplemental letters * * ~ ~

dated February 19 and April 17, 1975, complies with the standards

=i and requirements of the Atomic Energy Act of 1954, as amended, ,0;;,,,, j (the Act), and the Commission's rules and regulations set forth if~~ j in 10 CFR Chapter I; j s

B. The facility will operate in conformity with the application, (i "E

the provisions of the Act, and the rules and regulations of the ,

Ce'nmission;

7. ,.

C. There is. reasonabic 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 be conducted in compliance with the Commission's regulations; and E D. The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public.

2. Accordingly, the license is amended by a change to the Technical .

Specifications as indicated in the attachment to this license amendment and Paragraph 3. A. (2) of Facility License No. DPR-3 is hereby amended to read as follows:

  1. 7/6 191b ,

s .

' '?U5*'

c=. :- .

( l t.l:.

FS:.:.:.w fiii 3

i -  :=

- " (2) Technical Specifications '

r~

t: 5::::::::.

?'

E'"}'~

The Technical Specifications contained in Appendix A, as revised, are hereby incorporated in the license. g= -

The. licensee shall operate the facility in acco; dance with the Technical Specifications, as revised by issued g: .=t changes thereto through Change No.llB ."

P

' 3. This license amendment is effective as.of the date of its issuance. s... .. ..

4 EE~"

FOR THE NUCLEAR REGULATORY C0bMISSION i.i E?

Origtnal signed by  ;

R. A. Purple .,

! E... ..,jg Robert A. Purple, Chief .

=l0 i Operating Reactors Branch #1

  • i"=

Division of Reactor Licensing

. Attachment

  • EE #

Change No. !!@ to the [

Technical Specifications  :::

h ==

q [=

4 Date of Issuance: JUL 1 6 1975 i j b .

d i

o

[C.

s e

i

l l:.)

A

'43

.4

'llQ* 'l

, llcl.'s*s' 'llU.*l ~

e k

(.~'

( -

. 2 gg

, w: -z -

. . .g::

b.:i  ::.:

. t..

h:: -

e.....

x==.v::.

?  ?:

1:::

, ."lll ATTACHMENT TO LICENSE AMENDMENT NO.13  !... -

- E

-CHANGE NO.l $ TO THE TECHNICAL SPECIFICATIONS ;l!!=

FACILITY OPERATING LICENSE NO. DPR-3 (( l c-DOCKET NO. 50-29

=.=lll 3

Revise Appendix A as follows: -

1. Remove page 6 and insert attached revised page 6. ,

t

2. Remove Table 1 and insert attached revised Table 1. ... .::: 3:*

l':

'k:':::,

L

.4 f .'.'

?:1

+

.;.t.,; .::e. ;;  :. c.: .. . r?. : ... x.....r. .:..n .c a*e:= c..n t.ry.?-m..t. 9 m 7.. :. 3.: wp .ty t.em.: a -z?r :x. . .:.r : - . - r : .. - .

TAB E 1 "

REACTOR PROTECTION CETPOINTS

. NO. OF CHANNELS . . ~***

REMARKS REQUIRED TO TRIP BYPASSES SET POINT LIMITS FUNCTION 1 out of 2 -

Auto bypass 5.2 doc / min - max. Minimum restart instrumen-HigA Startup Rate - ~

cation 3 Reactor Scram Above 15 MWe 2 source range channels 2 intermediate range' channel t

Neutron flux corresponds to 108% Minimum of 4 operable High Neutron 2 out of 5 or 6 None '

channels required for rated power - max.

[ Flux Level -

^

reactor operation

Reactor Scram 1 cf 4 (single) j None 1800 psig - min. .

f Lov ?!ain Coolant 1 out of 2 '

.n

& Pressurizer Pressure -

Reac' tor Scrams To be offective as of date og Not more than Manual bypass 80% of normal main cooland flow l Lou Main Coolant startup with Core XII - *:

iFlow - 2 out of 4 Below 15 MWe in any loop - min.

iReactor Scram 1 out of 3 .

liigh Pres'surizer 1 out of 1 Manual 200 inches - max. In servit.e before in critical
Water Level -

! Reactor Scram .

None Available any. time fManual- Not applicable Reactor Scram '

! Turbine Trip - Not applicable Manual bypass Usual Turbine Trip se't points Turbine-trip acrama redctor Below 15 MWe

~ '

and trips ger.erator above

! Reactor Scram 15 MWe Manual bypass Usual Generator Trip set points Generator trip _ scrams A.

Cencra tor Trip -- Not applicable Below 15 MWe reactor.and trips tur- <

~Resctor Scram ~

~

'bine above 15 MWe

Steam Generrlor 2 out of 4' tfanual bypass Not lower than 15 inches below ' ,

~

Lou Water Level -

2 out of 3 Below 1511We normal water level

Reactor Scram ~

"Hanual Turbine Not applicable Manual bypass Available any time above 15 MWe Cenerator Trip - Below 15 HWe .

Reactor Scram Safety Injection - 1 out of 3 or 4 Manusl 1700 psig on main coolant system. Safety injection may b's min.; 5 psig vapor container initiated manually at.
0peration prennure, mix. any time None 24fl5 psig. No. 1 valve - max.

! Pressurizer Not applicable 4Safet.y-Valve 25M pyin,No. 2 valve - max. .JUL 161975 L@2mNtA-@M---------------- o I, d. ., _m _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___

_ __ g

TABLE al(cent) . .

' -' 2' REACTOR PROTECTION SETPOINTS NO. OF CHANNELS REPAIRS .

REQUIRED TO TRIP BYPASSES SET POINT LIMITS- ,

FUNCTION None 5 psig vapor container pressure -- Closes trip valves.lin out-vapor Container 1 out of 2 going lines in vapor.

max.

Outgoing Line Trip -

Valve Operation None 30*F temperature differential - Prevents any isolated loop Hain Coolant Valve Not applicable max. from being-placed'into Interlock ' operation if the loop _ .

temperature is more than 30*F lover than hir. hest cold leg temperature,.in the remaining loops i 1

Low Main Coolant 2 out of 4 Manual bypass Not less than 240 Amperes or more .

Flow - 1 out of 3 Below 15 MNe ~.han 360 Amperps-to the unin cool- ,

Reactor Scram ant pump motors. .

F

~

t e .

4 O

= , e e

  • q

.g ,

I e-JUL 7 o 197

t

" _(1) At rated pswer, tha esiculated tempa( . ura of ths_ ccolagt ' , ,s  ;

5 ct thsi ,:1c sof the hoccast channsi shul not excesd 624 T. 3 a .

.w m ,',' ,

-(3) Ac rated pawse,. tha cciculetsd maximum clad-surfzca .

'* .' tem'gerature in the' hottest channal shall not exceed ,-

647 F."

~ . .

-d. Main doolant' System

~

(1) The reactor shall be scrammed automatically above 15 s

  • electric by a low main coolan,s pressure signal set at'a ,

minimum of 1800 psig. ,

_{

(2) The reactor shall be scrammed, automatically above 15 MW s I electric by low main coolant flow' signals derived from '

118 AP across the steam generators and main coolant' pump current. "

- )

, Low flow scram will be initiated by low flow in two of )

four loops. When the plant is' operating with three <

{

' loops, the low flow trip will be initiated by low flow-in 1 any one 'of the1 three operating loops.

1

-(3)' The reactor shall be scrammed autc=stically by high presi, surizer water level signal seu at a maximum of 200 inches before the reactor is critical.

(4) The reactor shall not _ be brought to'eritica.11ty at a cUin coolant system temperature lower than 250 F cnd system

, pressura lower than 200 psig except for scheduled low powcr physics testing which shal'1 be performed in accordance with s

q. ,

written procedures." , ,,

($) During normal plant startup boric acid dilutton shall not be commenced until the main coolant system temperature has reached ccuiltbrium at 250 ?. .

-(6) At zero power, except during physics testing, the moderator temperature coefficient shall not be positive. M rated s teady s cate, power, the .

moderator tc=perature coef ficient shall be core

'egative n thcn -0.5 x 10-4 b k/k.per *F."

(7) Tne main coolant synten pressure must not e.xeces 500 pssg until the temperature of the main coolant is at. least.600F above the. nil dacttiny temperature of the reactor vessel.

Pressures in excess of this at low temperatures may be injurious to the reactor vessel. .,

(8) The main coolant syr. tom hcatup and cooldfown rate twst not exceed $00F/hr. The pressurazer heatup and cooldo,tn rato '

must not exceed 2000F/hr.

(9) W'.cnever a main coolant loo.o is isolated from the system, it shall be borated at full shutdodn concentrations before it's temperature is reduced,3007 below the highest co;d 1cc j temperature of the operating loops. .

. "Following isolation of a main coolant loop,'when the loop

' i

'. isolation valve and main coolant pump controls have been  !

.. removed from ,scrvice and mechanically prevented from operation I by lock and key,, the boron concentration in the isolated loc.p . I may be reduced to that, existing in t,he c'ain coolant s pte.a at .

that time."

Not'6: The underlined requirement in D.2.d(2) to be effective as of date of startup with Core XII.

JUL 161975