ML20076K959

Revised Proposed TS to TS Changes RTS-246 & RTS-246A

ML20076K959
Person / Time
Site:	Duane Arnold
Issue date:	10/20/1994
From:	IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:
Shared Package
ML20076K956	List: ML20076K959 NG-94-3904, Forwards Listed Revised Pages to TS Change RTS-246 & RTS-246A
References
NUDOCS 9411020221
Download: ML20076K959 (3)

Text

y 4

[$ Table 3.2-D LJ s RADI ATIOil MONITORING INSTRUMENTATION MINIMUM APPLICABLE VALVE (s) s CHANNELS OPERATING OPERATED

" ALARM / TRIP INSTRUMENTATION OPERABLE MODES SETPOINT BY SIGNAL ACTION

.E Offgas Post-Treatment Radiation 1 *

(a) (a) 50 Q Monitors

• • Offgas Pre-Treatment Radiation

• 1 (b) NA 51 Monitors

.EI

$2 Main Steam Line Radiation Monitors 2 ** **

C*

• 5 31 Normal (c)

Full Power

Background

O S

w

• When the offgas system is o rating.

no ** Refer to Specification 3.7 .

e o4 S (a) The m>nitors shall be set to nitiate immediate closure of the charcoal bed bypass valve and the air ejector offgas isolation valve at a setting equivalent to or below the dore rete limite in DDAM Section 6.2.2.1.

(b) The monitors shall be set to initiate an alarm if the monitor exceeds a trip setting equivalent to 1.0 CL/sec of noble gases after 30 minutes delay in the offgas holdup line.

TPU 4 C# (c) Trips Mechanical Vacuum Pump which results in a subsequent isolation of the Mechanical Vacuum Pump suction valves.

1. C ACTION O

gy RADIATION MONITORING INSTRUMENTATION ON nM 7;"

ACTION 50 - With the number of OPERABLE channels less then required by the Minimum Channels Operable requirement, gases from the steam air ejector offgas system may be released to the environment oo for up to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> pcovided (1) the charcoal bed of the offgas system is not bypassed, and (2) g tn s the offgas stack noble gas activity monitor is operable. n 0" D y@O g Otherwise, be in at least HOT STANDBY within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

h CKA O 5 ICA ACTION 51 - With the n' amber of OPERABLE channels less than required by the Minimum Channels Operable m

, requirement, gases from the steam air ejector offgas system may be released for up to 30 days provided (1) the charcoal bed of the offgas system is not bypassed, (2) Grab samples are

• collected and analyzed weekly, and (3) the offgas stack noble gas activity monitor is OPERABLE O or at least 1 post-treatment monitor is OPERABLE. g l Otherwise, ce-in at least HOT STANDBY within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. g Sa 8

u

_ - - _ _ - - - - - _ _ _ - ~ - - - ._

L g .

E g l Table 4.2-D l

RADIATION MONITORING INSTRUMENTATION SURVEILLANCE REOUIREMENTS

• F

~

,~

w OPERATING MODES

• CHANNEL FOR WHICH y CHANNEL FUNCTIONAL CHANNEL SOURCE N INSTRUMENTATION CHECK SURVEILLANCE TEST CALIBRATION CHECK REQUIRED w

$ Offgas Post-Treatment Radiation Monitors D Q** R M

• h s

Offgas Pre-Treatment Radiation Monitors D Q** R M

• Main Steam Line Radiation Monitors Once/ shift Q*' R R

• l

?

N y

When the offgas system is operating Thethe of CHANNEL following FUNCTIONAL conditions exists TEST shall also demonstrate that control room alare. annunciation occurs if any

a. Instrument indicates measured levels above the alarm / trip setpoint

' b. Instrument indicates a downscale failure

c. Instrument controle not set in the operate mode.

This channel functional test will consist of injecting a simulated electrical signal. Into the measurement channels.

PA

• Refer to Specification 3.7 l l .

E o

?

3 1 r+ '

. O z

2i L \

8l "i

L_______________________._ __ _______ _ _ _ . _ _ _ _ _ . . . __ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . . _ _ . _ _.

Attachment to NG-94-3904

. DAEC-1

.l 1

. d. The CORE OPERATING LIMITS REPORT, including any mid-cycle revisions or supplements shall be provided upon issuance, for each reload'  ;

cycle, to the NRC Document Control Desk with copies to the Regional Administrator and Resident Inspector.

6.11.3 UNIOUE REPORTING RE0VIREMENTS Special reports shall be submitted to the Director of Inspection and Enforcement Regional Office within the time period specified for each report. These reports shall be submitted covering the  ;

activities identified below pursuant to the requirements of the -

applicable reference specification.

a. Reactor vessel base. weld and heat affected zone metal test specimens (Specification 4.6.A.2).

b. deleted >

c. Inservice inspection (Specification 4.6.G.).  !

d. Reacto tainment Integrated Leakage Rate Test (Specification 4.7. WhqF) .

e. deleted

f. deleted ,

9 deleted

h. Radioactive Liquid or Gaseous Effluent - calculated dose exceeding ,

specified limit (ODAM Sections 6.1.3, 6.2.3 and 6.2.4).

i. Off-Gas System inoperable (ODAM Section 6.2.5). l

j. Measured levels of radioactivity in an environmental sampling medium determined to exceed the reporting level values of ODAM Table 6.3-3  :

when averaged over any calendar quarter sampling period (0 DAM l Section 6.3.2.1).

k. Annual dose to a MEMBER OF THE PUBLIC determined to exceed 40 CFR Part 190 dose limit (ODAM Section 6.3.1.1).

~

1. Radioactive ' liquid waste released without treatment when ectivity concentration is equal to or greater than 0.01 pci/ml (ODAM Section 6.1.4.1).

m. Explosive Gas Monitoring Instrumentation Inoperable (Specification 3.2.1.1). l

n. Liquid Holdup Tank Instrumentation Inoperable (Specification 3.14.B.1).

AMENDMENT NO. ($6,I56.199 6.11-5

_ _ ,