ML20012C613

Proposed Tech Specs Revising Table 4.7.2.a Re Primary Containment Isolation Valves Subj to Type C Leakage Tests & Table 4.7.2.b Re Primary Containment Isolation Valves Not Subj to Type C Leakage Tests

ML20012C613
Person / Time
Site:	Vermont Yankee
Issue date:	03/09/1990
From:	VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML20012C611	List: ML20012C610 ML20012C613
References
NUDOCS 9003220282
Download: ML20012C613 (2)

Text

.. - .

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

$k 6

~

VYNPS Ig TABLE 4.7.2.a PJ

$$ ERIMARY CONTAIMIENT ISOLATION VALXES ..

Q mv VALVES SUBJECT TO TYPE C IJ_M AGE TESTS o s, Number of Power Maximum Action on 88 Isolation _Qperated Valves Operating Normal Initiating gg Group (1) Valve Identification inboard Qulhgars! Lee (sec) Position Simnal__

tin G Od 1 Main Steam Line Isolation (2-80A, D & 2-86A, D) 4 4 5(Note 2) Open GC 1 Main Steam Line Drain (2-74, 2-77) 1 2 35 Closed SC

,_ 1 Recirculation Loop Sample Line (2-39, 2-40) 1 1 5 Closed SC RHR Discharge To Radwaste (10-57,10-66)

. # 2 2 25 Closed SG 2 Drywell Floor Drain (20-82, 20-83) 2 20 Open GC 2 Drywell Equipment Drain (20-94, 20-95) 2 20 Open GC 3 Drywell Air Purge Inlet (16-19-9) 1 10 Closed SC 3 Drywell Air Purge Inlet (16-19-8) 1 10 Open GC 3 Drywell Purge & Vent Outlet (16-19-7A) 1 10 Closed

• SC 3 Drywell Purge & Vent Outlet Bypass (16-19-6A) 1 10 Closed SC 3 Drywell & Suppression Chamber Main Exhaust (16-19-7) 1 10 Closed

• SC 3 Suppression Chamber Purge Supply (16-19-10) 1 10 Closed SC' 3 Suppression Chamber Purge & Vent Outlet (16-19-7B) 1 10 Closed SC 3 Suppression Chamber Purge & Vent Outlet Bypass (16-19-6B) 1 10 Open GC 3 Exhaust to Standby Gas Treatment System (16-19-6) 1 10 Open GC 3 Containment Purge Supply (16-19-23) 1 10 Open GC 3 Containment Purge Makeup (16-20-20, 16-20-22A, 16-20-223) 3 NA Closed SC 5 Reactor Cleanup System (12-15, 12-18) 1 1 25 Open GC 6 HPCI (23-15, 23-16) 1 1 55 Open GC 6 RCIC (13-15, 13-16) 1 1 20 Open GC Primary / Secondary Vacuus Relief (16-19-11A, 16-19-11B) 2 NA Closed SC Primary / Secondary Vacuum Relief T16-19-12A, 16-19-12B) 2 NA Closed Process 3 Containment Air Sampling (VG 23, VG 26,109-76A&B) 4 5 Open GC Feedwater Check Valves (V2-27A, -96A, -28A, - 28B) NA Open Process CValves 16-19-7 and 16-19-7A shall have stops installed to limit valve opening to 500 or less.

Amendment No. 38, 67, 74, il 135 0012v L. _ _ _ fr.

VYNPS TABLE 4.7.2.b -

PRIMARY CONTAIIe!ENT ISOLATION VAIREE .

YALVES NOT SUBJECT TO TYPE C LEAKAGE TESTS s .

Number of Power Maximum Action on Isolation Operated Valves Operating Normal Initiating GInup (Note 1) Valve Identification Inb_ nard Outboard __T_ime (sec) Position Signa L 2 RHR Return to Suppression Pool (10-39A,B) 2 70 Closed SC 2 RHR Return to Suppression Pool (10-34A,B) 2 120 Closed SC 2 RHR Drywell Spray (10-26A, B & 10-31A,B) 4 70 Closed SC 2 RHR Suppression Chamber Spray (10-38A,B) 2 45 Closed SC 3 Containment Air Compressor Suction (72-38A,B) 2 20 Open GC 4 RHR Shutdown Cooling Supply (10-18, 10-17) 1 1 28 Closed SC Standby Liquid Control Check Valves (11-16, 11-17) 1 1 NA Closed Proc.

• Hydrogen Monitoring (109-75 A, 1-4; 109-75 B-D, 1-2) 10 NA NA NA Sampling Valves - Inlet

• Hydrogen Monitoring (VG-24, 25, 33, 34) 4 NA NA NA

• These valves are remote manual sampling valves which do not receive an isolation signal. Only one valve in each line is required to be operable.

Amendment No. 38, fl, 113 136 0012V

. . . . . . . . . - . -- . . . - . - . - - -. ,