ML20082H508

Proposed Tech Specs 1.1/2.1 Re Fuel Cladding Integrity

ML20082H508
Person / Time
Site:	Quad Cities
Issue date:	08/15/1991
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20082H507	List: ML20082H501 ML20082H508
References
NUDOCS 9108260145
Download: ML20082H508 (2)

Text

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QUAD CITIES UlllTS 3 &2 i DPR-29 & DPR-30  :

1.1/2.1 FUEL CLADDI!1G INTEGRITY I

SAFETY LIMITS LIMITING SAFETY SYSTEM SETTIliG A. Thormal Power, liigh Pressure and A. Houtron Flux Trip Sottings j

!!igh Flow [

The LIMITING BAFETY SYSTEM f The MINIMUM CRITICAL POWER RATIO SETTINGS for noutron flux ehall i (MCPR) shall not be loss than 1.06 be an specified below  !

with the REACTOR VESSEL PRESSURE  !

greater than or equal to 800 psia 1. The APRM liigh Plux (flow  !

arid core flow grantor than or equal binsod) trip notting shall be ,

to 10% of rated flow. as shown .in Figuro 2.1-1 and r shall bo' h}2.LLCADILITY t f S 5 (.58Wo + 62)  ;

OPERATIONAL MODES 1 and 2. [

with a maximum sotpoint of 120%  !

AgILQ]i: for core flow equal to 98 x i 106 . lb/hr and greator. ,

With-MCPR loss than 1.06 and the  !

REACTOR VESSEL PRESSURE greater Whores i than or equal to 800 psia and coro  ;

flow greator than or equal to 10% S =. sotting in porcent of rated  !

of rated flow, be in at least 110T power i SHUTDOWN WITHIN 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and comply i with the requirements of Specifi- We = percent of drive flow i cation 6.4. required to produce a  !

rated core flow of 98  ;

million Ib/hr.

In the ovent of operation with t a MAXIMUM FRACTION OF LIMITING {

POWER DENSITY (MFLPD) greater- i than the FRACTION OF RATED  !

POWER (FRP), the setting shall i be modified as follows: i fHE -

i S $ (.58Wo + 62) ( MFLPD ] r Where: [

FRP = FRACTION OF RATED POWER ,

(2 511 MW,) l 1

MFLPD = MAXIMUM FRACTION OF ['

LIMITING POWER DENSITY .

1.1/2.1-1 3 l l f

,9108260145 910815 PDR ADOCK 05000'54

P PbR  ;

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QUAD CITIFS Uti1TS 1 & 2  !

DPR-29 & DPR-30 l B. Thermal Power, Low Pressure or Low B. APRM Rod Block Setting Flow The LIMITING SAFETY SYSTEM SETTING Thermal power shall not exceed 25% for the APRM Rod Block shall be of RATED TilERMAL POWER with the as shown in Figure 2.1-1 and REACTOR VESSEL PRESSURE less than shall be 800 paia or core flow less than S $ (.58Wo + 50) 10% of rated flow.

The definitions used above for the APPLICADILITl APRM scram trip apply. In the event of operation with a MAXIMUM FRACTION OF LIMITING POWER DEllSITY OPERATIONAL MODES 1 and 2. (MPLPD) greater than the FFACTION OF RATED POWER (FRP), the setting -

ACTION: shall be modified as follows: ,

With thermal poWor exceeding 25% of RATED Ti!ERMAL POWER and the REACTOR EIT VESSEL PRESSURE less than 800 psia S 5 ( . 58W, 4 50) ( MPLPD )

or core flow less than 10% of rated flow, be in at least ilOT SilUTDOWN within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and comply with M.o The definitions used above for requirementn of Specificucion 6.4. the APRM scram trip apply.

The ratio of FRP to MPLPD shall be  !

set equal to 1.0 unless the actual operating value is less than 1.0, in which case the actual operating  :

value will be used.

This may also be performed by increasing the APRM gain by the inverse ratio, MFLPD/FRP, which accomplishes the same degree of  !

protection as reducing the trip setting by FRP/MPLPD. -

APPLICADlJelTl  !

As shown in Table 3.2-3.  ;

i ACTlQll: I With the APRM Rod Block setting i less conservative than the value shown above, declare the CilANNEL ,

inoperable and apply the l applicable ACTION statement requirement of Specification ,

1.1/2.1-3 i

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