ML19337A082

Proposed Change 90 to Tech Spec Tables 4.7.2.a & 4.7.2.b

ML19337A082
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	08/28/1980
From:	VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML19337A081	List: ML19337A080 ML19337A082
References
NUDOCS 8009080381
Download: ML19337A082 (2)

Text

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TABLE 4.7.2.a PRIMARY CONTAINMENT ISOLATION VALVES VALVES SUBJECT TO T'IPE C LEAKAGE TESTS Number of Power Maximum Action on Isolation Operated Valves Operating Normal Initiating Group (Note 1) Valve Identification Inboard Outocard Time (Sec) Position Signal 1  ? win Steam Line Isolation (2-80A, D & 2-86A, D) 4 4 5(note 2h' Open GC CD O

1 Main Steam Line Drain (2-74, 2-77) 1 1 35 -

Closed SC 1 Recirculation Loop Sample Line (2-39, 2-40) 1 1 5 Closed SC e 2 RHR Discharge to Radwaste (10-57, 10-66) 2 25 Closed SC C 2 Drywell Floor Drain (20-82, 20-83) 2 20 , Open GC e" 2 Drywell Equipment Drain (20-94, 20-95) 2 20 Open GC

g 3 Drywell Air Purge Inlet (16-19-9) 1 10 Closed SC q l Drywell Air Purge Inld. 60-19-8) 1 10 Open GC e

s 1 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 l 3 Containment Purge Makeup (16-20-20,16-20-22A,16-20-22b) 3 NA Closed SC 5 Reactor Cleanup System (12-15, 12-18) 1 1 25 Open GC 5 Reactor Cleanup System (12-68) 1 45 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 Vacuum Relief (16-19-11A, 16-19-11B) 2 NA Closed SC

Primary / Secondary Vacuum Relief (16-19-12A,16-19-12B) 2 NA Closed Process Control Rod Hydraulic Return Check Valve (3-181) NA Open Process

! 3 Containment Air Sampling (VG 23, VG 26,109-76A&B) 4 5 Open GC s

s 135.

1

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VYNPS Table 4.7.2.b PRIMARY CONTAINMENT ISOLATION VALVES VALVES NOT SUBJECT TO TYPE C LEAKAGE TE'STS -

Isolation Group (Note 1) Number of Power Maximum Valve Identification Operated Valves Operating Action on Inboard Normal Initiating Dutboard Time (sec) Position Signal 2

2 kHR Return to Suppression Pool (10-39A,B) 2 RHR Return to Suppression Pool (10-34A,B) 2 70 RHR Drywell Spray (10-26A, B & 10-31A,B) 2 Closed SC 2 120 Closed RHR Suppression Chamber Spray (10-38A,B) 4 70 SC 3 Closed SC 4 Containment Air Compressor Suction (72-38A,B) 2 45 Closed 4 RHR Shutdown Cooling Supply (10-18,10-17) 2 20 SC 1 Open RHR Reactor Head Cooling (10-32, 10-33) 1 28 Closed GC i

Feedwater Check Valves (2-28 A,B) 1 1 25 SC i 2 2 Closed SC NA Open Reactor Head Cooling Check Valve Proc.

(10-29) 1 Standby Liquid Control Check Valves (11-16,11-17) 1 NA Closed 1 NA Proc.

Closed Proc.

116.