ML17264A511

Proposed Tech Specs Pages 3.3-18 & 3.3-19,reflecting Revs to LCO 3.3.1

ML17264A511
Person / Time
Site:	Ginna
Issue date:	05/29/1996
From:	ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264A510	List: ML17264A509 ML17264A511
References
NUDOCS 9605310042
Download: ML17264A511 (6)

Text

Attachment II Marked Up Copy of R.E. Ginna Nuclear Power Plant Technical Specifications Instructions:

Remove pages 3.3-18 and 3.3-19 and replace with the attached pages.

f 9605310042 960529 PDR ADOCX 0500024ei p PDR j

0 RTS Instrumentation 3,.3.1 Table 3.3.1-1 (page 5 of 6)

Reactor Trip System Instrumentation Note 1: Overtem erature wT The Overtemperature aT Function Trip Setpoint is defined by:

Overtempereture h Mh Te -P') -K (T - T') 1 +f,s T K,+K2 (P f(111) 1 +fqs Where:

sT is measured RCS aT, F.

aTO is the indicated zT at RTP, 'F.

s is the Laplace transform operator, sec' T is the measured RCS average temperature, F.

T is the nominal T., at RTP, F.

P is the measured pressurizer pressure, psig.

P is the nominal RCS operating pressure, psig.

I K, is the Overtemperature aT reactor tri p setpoint, 1. 20.

K~ is the Overtemperature sT reactor trip depressurization setpoint penalty coefficient, 0.000900'/~Ps'3 is the Overtemperature aT reactor trip heatup setpoint penalty coefficient, 0.0209~w r, is the measured lead/lag time constant, 25 seconds.

r, is the measured lead/lag time constant, 5 seconds.

f(aI)'s .a function of the indicated difference between the top and bottom detectors of the Power Range Neutron Flux channels where q, and qb are the percent power in the top and bottom halves of the core, respectively, and q, + g is the total THERMAL POWER in percent RTP.

$b f(z I) = 0 when q, qs isQ +13%(HP f(ei) = 1.3 t (q, - q,) - 13) when q, - q, is > +13% RTP R.E. Ginna Nuclear Power Plant 3.3-18 Amendment No. 61

RTS Instrumentation 3.3.1 Table 3.3. 1-1 (page 6 of 6)

Reactor Trip System Instrumentation Note 2: Over ower aT The Overpower aT Function Trip Setpoint is defined by:

- T') r ~ sT - f(h I)

Overpower 4 T 84 T~ K,-K~ ( T -Kq r>s+1 Where:

aT is measured RCS zT, F.

aTo is the indicated aT at RTP, 'F.

s .is the Laplace transform operator, sec' T is the measured RCS average temperature, F.

T is the nominal T>>, at RTP, F.

K4 is the Overpower aT reactor trip setpoint, 1.077.

Ks is the Overpower aT reactor trip heatup setpoint penalty coefficient which is:

/oF 0.0 for T < T~and; 0.0011 For T ~

K6 is 4 e Overpower aT reactor trip thermal time delay setpoint penalty which is:

/~ .026 for increasing T and; 0.0 for decreasing T. ~

~, is the measured'lead/lag time constant, 10 seconds.

f(aI) is a function of the indicated difference between the top and bottom detectors of the Power Range Neutron Flux channels where q, and q, are the percent power in the top and bottom halves of the core, respectively, and q, + q, is the total THERHAL POWER in percent RTP.

f(aI) = 0 when q, - q, is +13%@P)

'f(aI) = 1.3 I (q, - q,) - 13I when q, - q, is > +13% RTP R.E. Ginna Nuclear Power Plant 3.3-19 Amendment No. 61

Attachment III Proposed Technical Specifications Instructions:

Remove pages 3.3-18 and 3.3-19 and replace with the attached pages.

RTS Instrumentation 3.3.1 Table 3.3. 1-1 (page 5 of 6)

Reactor Trip System Instrumentation Note 1: Overtem erature aT The Overtemperature aT Function Trip Setpoint is defined by:

Overtenpereture h T;Mh Te K,+K,(P-P') -K,(T -T')

T +

'f(hi) r,s

2'here:

aT is measured RCS nT, 'F.

LTD is the indicated aT at RTP, 'F.

s is the Laplace transform operator, sec' T is the measured RCS average temperature, 'F.

T is the nominal T., at RTP, 'F.

P is the measured pressurizer pressure, psig.

P is the nominal RCS operating pressure, psig.

K, is the Overtemperature aT reactor trip setpoint, 1.20.

K2 is the Overtemperature aT reactor trip depressurization setpoint penalty coefficient, 0.000900/psi.

K~ is the Overtemperature aT reactor trip heatup setpoint penalty coefficient, 0.0209/'F.

r, is the measured lead/lag time constant, 25 seconds.

r, is the measured lead/lag time constant, 5 seconds.

f(z I) is a function of the indicated difference between the top and bottom detectors of the Power Range Neutron Flux channels where q, and q, are the percent power in the top and bottom halves of the core, respectively, and q, + q, is the total THERHAL POWER in percent RTP.

f(aI) - 0 when q, - qb is ~ +13%

f(aI) = 1.3 ( (q, - q,) - 13) when q, - q, is > +13%

R.E. Ginna Nuclear Power Plant 3.3-18 Amendment No. g

RTS Instrumentation 3.3.1 Table 3.3. 1-1 (page 6 of 6)

Reactor Trip System Instrumentation Note 2: Over ower aT The Overpower sT Function Trip Setpoint is defined by:

Overpower h T 5 h T0 K4 - Ke ( T " Tf ) - K0 r3ST 3 - f (h 1) 3 Where:

aT is measured RCS nT, 'F.

aTo is the indicated aT at RTP, 'F.

I s is the Laplace transform operator, sec' T is the measured RCS average temperature, F.

T is the nominal T,, at RTP, F.

K, is the Overpower aT reactor trip setpoint, 1.077.

K, is the Overpower sT reactor trip heatup setpoint penalty coefficient which is:

0.0/ F for T < T and; 0.0011/ F for T z T.

K, is the Overpower aT reactor trip thermal time delay setpoint penalty which is:

0.0262/ F for increasing T and; 0.00/ F for decreasing T.

r3 is the measured lead/lag time constant, 10 seconds.

f(aI) is a function of the indicated difference between the top and bottom detectors of the Power Range Neutron Flux channels where q, and q, are the percent power in the top and bottom halves of the core, respectively, and q, + qb is the total THERMAL POWER in. percent RTP.

f(DI) = 0 when q, - q, is s +13%

f(aI) = 1.3 ( (q, - q,) - 131 when q, - q, is > +13%

R.E. Ginna Nuclear Power Plant 3.3-19 Amendment No. g