ML20205H657

Proposed Tech Specs,Changing Control Rod Block Instrumentation Setpoint & Allowable Value Associated W/ Reactor Coolant Recirculation Flow

ML20205H657
Person / Time
Site:	Grand Gulf
Issue date:	08/14/1986
From:	MISSISSIPPI POWER & LIGHT CO.
To:
Shared Package
ML20205H644	List: AECM-86-0253, Errata to 860502 Application for Amend to License NPF-29, Changing Tech Specs Re Control Rod Block Instrumentation Setpoint & Allowable Value Associated W/Reactor Coolant Recirculation Flow ML20205H657
References
TAC-61083, TAC-61357, NUDOCS 8608200129
Download: ML20205H657 (1)

Text

_ _ _ _ _ _

TABLE 3.3.6-2 h

CONTROL ROD BLOCK INSTRUMENTATION SETPOINTS 5

TRIP FUNCTION TRIP SETPOINT ALLOWABLE VALUE g

G; 1.

R0D PATTERN CONTROL SYSTEM E

a.

Low Power Setpoint 20 + 15, -0% of RATED THERMAL 20 + 15, -0% of RATED THERMAL POWER POWER b.

High Power Setpoint 1 70% of RATED THERMAL POWER 1 70% of RATED THERMAL POWER g

2.

APRM Rc? tact wit 4 lHstnr (or Taste 3.3.(o-2 a.

Flow Biased Neutron Flux-

\\

ga;ga.,}

~

l Upscale (0.00 "

42%)T*

< (0.55 W ^ '5%)T*

% 3i, neu i

b.

Inoperative RA RA g.,og c.

Downscale 1 4% of RATED THERMAL POWER 1 3% of RATED THERMAL POWER g w,g 1

Startup i 12% of RATED THERMAL POWER 1 14% of RATED THERMAL POWER ah3 g;3 i

d.

Neutron Flux - Upscale 3.

SOURCE RANGE MONITORS w

A Detector not full in NA NA 5

a.

5

< 1.5 x 10 cps Y

b.

Upscale

< 1 x 10 cps tg c.

Inoperative RA RA d.

Downscale 1 0.7 cps 1 0.5 cps f

4.

INTERMEDIATE RANGE MONITORS l

a.

Detector not full in NA NA b.

Upscale

< 108/125 of full scale

< 110/125 of full scale c.

Inoperative NA RA d.

Downscale 1 5/125 of full scale 1 3/125 of full scale I

5.

SCRAM DISCHARGE VOLUME a.

Water Level-High 1 32 inches 1 33.5 inches y

l p w

l 5

6.

REACTOR COOLANT SYSTEM RECIRCULATION FLOW a.

Upscale i g of rated flow 1 g of rated flow III N IIN N 7.

REACTOR MODE SWITCH SHUTDOWN l

-1 POSITION NA NA z

?

• The Average Power Range rionii... r;d bl~-k function isgd_u e 4netie,, vimetrculation loop flow (W) and the ratio of FRACTI ILaf RATED-THERMAt ruwtn i.o th "avfMuM FRACTION of LIMITING POWER DENSIT

_(Liactee.

r p setting of this function must be maintained in accordance with-Specif.ication 3.2.2.

8608200129 860814 PDR ADOCK 05000416 PDR p