ML20209H213

Rev 4,revised Pages 29 & 30 of 102 to Procedure 0ERP01-ZV-IN01, Emergency Classification

ML20209H213
Person / Time
Site:	South Texas
Issue date:	07/13/1999
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20209H204	List: ML20209H213 NOC-AE-000536, Submits Request for Exemption from Requirements of 10CFR50.34(b)(11),10CFR50,App A,Gdc 2 & 10CFR100,App a, Section VI(a)(3) Re Maint of Seismic Instrumentation.Revised Page to Procedure OERP01-ZV-IN01 Included
References
0ERP01-ZV-IN01, ERP1-ZV-IN1, NUDOCS 9907200163
Download: ML20209H213 (3)

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I ATTACHMENT 2 Procedure OERP01-ZV-IN01,

" Emergency Classification" (revised pages only) l l

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NOC-AE-000536 Page 1 of 2 OERP01-ZV-IN01 Rev.4 Page 29 of 102 Emergency Classification Addendum 1 Emergency Classification Tables Page 22 of 25 RECOGNITION CATEGORY II IIAZARDS INITIATING CONDITION MATRIX NATURAL PIIENOMENA INITIATING CONDITION EMERGENCY ACTION LEVEL CLASS IIA 4 EAI l ALERT Seismic motion exceeding Operating Basis Eanhquke Natural or Destmetive (OBE)(E indicated by Seismic monitor alarninnd Phenomena Potentially confirmed by 1/2 POP 04-SY-0001.

Affecting Safe Operation EAI 2 Modes: At all Tornado or high wind causing visible structural damage to times any of the following plant structures:

Reactor Containment Building ECW Intake Structure Mechanical / Electrical Auxiliary Building Isolation Valve Cubicle

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Fuel Handling Building Diesel Generator Building EAI 3 Entry of flood water into safety related structures such that the function of safety related equipment is jeopardized.

EAI 4 Predicted or actual breach of Main Cooling Reservoir retaining dike along North Wall.

j EAI 5 Vehicle crash affecting a plant Vital Area.

EAL-6 Turbine failure generated missiles result in any visible structural damage to or penetration of any of the following plant areas:

Reactor Containment Building

• ECW Intake Structure

• Mechanical / Electrical Auxiliary Building

• Isolation Valve Cubicle Fuel liandling Building Diesel Generator Building NOC-AE-000536 Page 2 of 2 OERP01-ZV-IN01 R ev. 4 Page 30 of 102 Emergency Classification Addendum 1 Emergency Classification Tables Page 23 of 25 RECOGNITION CATEGORY II IIAZARDS i

INITIATING CONDITION MATRIX NATURAL PIIENOMENA INITIATING CONDITION EMERGENCY ACTION LEVEL CLASS HU4 EAI 1 UE W

Natural or Destructive Phenomena Earthquake detected (by seismic monitoring systenDand Affecting Plant Operations confirmed by 1/2POPO4-SY-0001, " Seismic Event."

Modes: At all times EAI 2 Tornado striking facilities within the Protected Area.

t EAI 3 Shutdown of the facility required due :o actual or predicted natural phenomenon in accordance with OPOP04-ZO-0002, " Severe Weather Guidelines" EAI 4 Vehicle crash into plant structures or systems within the Protected Area.

EAI-5 Report of main turbine failure resulting in casing penetration OR damage to turbine or generator seals.

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