ML17304A305

Proposed Tech Specs Table 3.3-5, ESF Response Times.

ML17304A305
Person / Time
Site:	Palo Verde
Issue date:	07/25/1988
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17304A304	List: ML17304A305
References
TAC-69006, NUDOCS 8808050036
Download: ML17304A305 (1)

Text

TABLE 3. 3-5 (Continued)

ENGINEERED SAFETY FEATURES RESPONSE TIMES INITIATING SIGNAL AND FUNCTION 'ESPONSE TIME IN SECONDS

8. 'team Generator Level - High

a. Main Steam Isolation

1. MSIS actuated MSIV's < 5 6~/5 6*~

2. MSIS actuated MFIV's¹ < 10.6~/10.6*~

9. Steam Generator dP-High-Coincident Mith Steam Generator Level Low

a. Auxiliary Feedwater Isolation 16k/16AA from the Ruptured Steam Generator

10. Control Room Essential Filtration Actuation < 180~/< 180~@

ll. 4. 16 kV Emergency Bus Undervoltage (Degraded Voltage)

Loss of Power 90%%uo'ystem voltage < 35.0

12. 4. 16 kV Emergency Bus Undervoltage (loss of Voltage)

Loss of Power < 2.4 TABLE NOTATIONS "Diesel gene'rator starting and sequence loading delays included. Response time limit includes movement of valves and attainment of pump or blower discharge pressure.

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""Diesel generator starting delays not included. Offsite power available.

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)OQ Response time limit includes movement of valves and attainment of pump or (0lO blower discharge pressure.

SO (9O ¹MFIV valves tested at simulated operating conditions; valves tested at OO static flow conditions to < 8. 5'8.6 hconds.

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