GB/T 17680.1-2008: Criteria for emergency planning and preparedness for nuclear power plants -- Part 1: The dividing of emergency planning zone

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Scope

This Part of GB/T 17680 specifies the general division codes of emergency planning zone
of nuclear power plant; it recommends the scope of the emergency planning zone of
pressurized water reactor nuclear power plant.
This Part is suitable for dividing the emergency planning zone of pressurized water reactor
nuclear power plant; the division of the emergency planning zone of other types of reactor
nuclear power plant can refer to this Part.
2  Normative references
The articles contained in the following documents have become part of this Part of GB/T
17680 when they are quoted herein. For the dated documents so quoted, all the
modifications (excluding corrections) or revisions made thereafter shall not be applicable
to this Part. For the undated documents so quoted, the latest editions shall be applicable
to this Part.
GB 18871 Basic standards for protection against ionizing radiation and for the safety
of radiation sources
3  Terms and definitions
For the purpose of this Part of GB/T 17680, the following terms and definitions apply.
3.1 Emergency planning zone
A zone that is established around the nuclear power plant in advance, within which the
emergency plan has been prepared and emergency preparation has been made, in order
to timely and effectively adopt protective action to protect the public when the nuclear
power plant has an accident.
3.2 Plume emergency planning zone
An emergency plan zone that is established in accordance with exposure pathways of
plume (external exposure of plume immersion, internal exposure of ingestion, and
the following rule.
Out of the scope of ingestion emergency planning zone, the pollution level of food and
drinking water that are caused by majority of serve accident series shall not exceed the
general action level of food and drinking water as regulated in GB 18871.
6  Confirmation  of  scope  and  actual  boundary  of  emergency
planning zone
6.1 Zone scope
6.1.1 Under the precondition of conforming to the safety rules in 5.2, the scope of the
plume emergency planning zone of pressurized water reactor nuclear power plant shall
consider the heat power of the reactor; it shall be confirmed based on the range that the
reactor acts as center and the radius is 7-10km. The scope of the plume emergency
planning zone shall consider the heat power of the reactor; and it shall be confirmed
based on the range that the reactor acts as center and the radius is 3-5km.
6.1.2 Under the precondition of considering the safety rules in 5.3, for pressurized water
reactor nuclear power plant, the scope of the ingestion emergency planning zone shall be,
in the stage of emergency planning and preparation, considered and based on the
evaluation result of the radiation consequence that is considered by the emergency
planning. In the emergency response, the zone scope of the related response action shall
be confirmed according to the result of the actual monitoring and sampling analysis.
6.2 Confirmation of actual boundary
When confirming the actual boundary position of emergency planning zone (specifically
the plume emergency planning zone), except that it shall be abided by the safety rules in
chapter 5 and the zone range requirement in 6.1, it must consider the special environment
features (such as terrain, administrative district boundary, population distribution, traffic,
communication and the like), social economic position, and public psychology, so that the
actual boundary (it may not always round) of the finally planned emergency planning zone
conforms to the actual condition, and the emergency preparation and response may be
easily carried out.
6.3 Scope and boundary of multi-reactor site emergency planning zone
For multi-reactor site, a uniform emergency planning zone shall be confirmed; the scope
shall include the requirements of chapter 5, 6.1 and 6.2 to target each reactor unit to
confirm the scope of emergency planning zone; the boundary can be the envelope line of
the emergency planning zone boundary of each unit.

Basic Data

Standard ID	GB/T 17680.1-2008 (GB/T17680.1-2008)
Description (Translated English)	Criteria for emergency planning and preparedness for nuclear power plants -- Part 1: The dividing of emergency planning zone
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	F77
Classification of International Standard	27.120.20
Word Count Estimation	6,660
Date of Issue	2008-07-02
Date of Implementation	2009-04-01
Older Standard (superseded by this standard)	GB/T 17680.1-1999
Quoted Standard	GB 18871
Regulation (derived from)	Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the nuclear power plant emergency planning zone Generic Framing guidelines recommended PWR nuclear power plant emergency planning zone ranges. This section applies to pressurized water reactor nuclear power plant emergency planning zone division, other reactor type nuclear power plant emergency planning zone division may refer to.