ML20066F352
| ML20066F352 | |
| Person / Time | |
|---|---|
| Site: | University of Lowell |
| Issue date: | 01/15/1991 |
| From: | MASSACHUSETTS, UNIV. OF, LOWELL, MA (FORMERLY LOWELL |
| To: | |
| Shared Package | |
| ML20066F350 | List: |
| References | |
| NUDOCS 9101230273 | |
| Download: ML20066F352 (2) | |
Text
. _ -_ _. .
r 7 TECIINICAL SPECIFICATIONS -'
10; The total reactivity! of. 2.5% in Specification 10-places a reasonable: upper limit'_'on- the worth; of all. experiments which is compatible--_withithe allowable excess reactivity and-
- the- shutdown margin - and- isi consistent with the functional mission of' the' reactor.
3.2 REACTOR INSTRUMENTATION Applicability This specification appliesi to the instrumentation whichimust Lbe-available and operable for . safe; operation of the reactor.
Objective; The objective is -to require ~ that sufficient information be available-
~
to the operator to assure safe. operation of the reactor.
- Specification The reactor shall- not be- operated unless _ the- measuring channels-listed _in the -following table are operable:-
-Minimum Operating _ Mode Lin
' Measurin e Channel Rec uired ' Which Reauired .
~
Pool Wetor tevel 1 - -M1- m ode s -- . l- 1 Startup Count Rate 'l ' Allimodes- (during zreactor -
'startup)
Log N -(Period)- 1: All modest.
Power Level (Linear N) .2- . All modes y .
Reactor - Coolant Inlet IL Forced : convection l
Temperature Coolant Flo y Rate -1 Forced = convection Reactor Pool Temperature 1 Natural convection TS- 17
$$$b$bb0$$$23
, 4 4 - 4 y
TECHNICAL SPECIFICATIONS
, l d;*
1 Bases i ;
- TheEncutron detectors . assure: that measurements. of the- reactor: 1 pool level are . adequately- displayed during reactor startup'. and low and.-high power operationi iThe temperature and flow-detectors give information to the f operatorHt o prevent the exceeding of a Safety Limiti -j 3.3 . REACTOR SAFETY SYSTEM Applicability .
y
.This 1 specification applies to the reactor safety: system channels,. 1
- )
Obiective j To require the minimumi number of reactor safety . system-channels that must' be operable- in~ order to. assure safe operation - I of the reactor.
! Specification The reactorsshallL not- be operated: unless the reactor: safetynsystem . '
, channels ~ described in"the following . table are operable, i
l <
Reactor-Safety _
- 'Miiiimum; Operating Mode System Component / Channel' Required ; . Function L . in Which Reauired Startup Count. Rate 1 - Prevent blade'. Reactor? startup.
1 withdrawal- in: all ' modes-when .N count rate:s 2;cp~si Reactor Period- l~ ' Automatic reactor: Allimodes -
- scram with.s 3 sec
_ period Control blade irihlbit 1115l sec; period-TS i y .- -, , y-.,, -y- ~-.,i..sn 4 .- -- , ,, ..,-[,, r n,--+e w