CurrentMandatory

GB15146.1-2008

Nuclear criticality safety for fissile materials outside reactors - Part 1: Administrative practices for nuclear criticality safety

反应堆外易裂变材料的核临界安全 第1部分:核临界安全行政管理规定

GB 15146.1-2008 is a current mandatory Chinese national standard for Nuclear criticality safety for fissile materials outside reactors - Part 1: Administrative practices for nuclear criticality safety. It appears in the Construction compliance cluster with a product safety focus and has an implementation date of Aug 1, 2009.

Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.

Compliance overview

Scope and applicability

This standard applies to the administrative practices for nuclear criticality safety during the processing, handling, operation, and storage of fissile materials outside reactors. It is specifically designed for nuclear facility operating organizations and contractor organizations involved in these activities. This standard does not apply to the assembly of fissile materials under controlled conditions, such as subcritical and critical experiments.

Technical requirements

This standard establishes mandatory administrative regulations to govern nuclear criticality safety. It requires operating organizations to establish a robust criticality safety responsibility system, ensuring that every worker understands their role in maintaining safety. Facilities must appoint dedicated or part-time nuclear criticality safety professionals who possess the authority to advise leadership directly. Operating organizations must bear comprehensive responsibility for the criticality safety of their facilities and cannot transfer this obligation. The standard mandates rigorous nuclear criticality safety evaluations before initiating new operations or modifying existing processes and equipment. These evaluations must confirm that the entire operation remains in a subcritical safe state under both normal and credible abnormal conditions. All operational procedures involving criticality safety must be documented in writing and reviewed periodically by qualified personnel. Furthermore, the standard outlines specific requirements for personnel training, mandating regular and systematic education for operators, safety professionals, and management. It also details strict fissile material management protocols, requiring written procedures for material transfer, accurate inventory control, and clear labeling of storage locations with controlled parameter limits. Finally, the standard requires comprehensive preparation for nuclear criticality accident emergency response. Facilities must develop detailed emergency plans that include evacuation routes, personnel screening procedures, medical treatment protocols, and re-entry approvals. Any near-miss criticality accident must be investigated and managed with the same severity as an actual nuclear criticality accident.

Testing methods

As an administrative standard, GB 15146.1-2008 does not prescribe specific physical or chemical testing methods. Instead, it mandates procedural evaluations such as nuclear criticality safety analysis and periodic operational safety inspections. These evaluations require verifying that actual facility conditions match the assumptions made in the safety analysis, ensuring that controlled parameters and their limits are strictly maintained during operations.

FAQs

What operations are regulated under GB 15146.1-2008?

This standard applies to the administrative practices for nuclear criticality safety during the processing, handling, operation, storage of fissile materials outside reactors. It does not apply to the assembly of fissile materials under controlled conditions, such as subcritical and critical experiments.

Are there any significant updates from the previous version of GB 15146.1-2008?

The 2008 version primarily introduces the integration of a quality assurance system into the administrative framework. The majority of the other modifications are editorial, with a clear distinction made between mandatory requirements (using "shall") and recommendations (using "should").

How does GB 15146.1-2008 differ from international nuclear criticality safety standards?

While ISO standards provide general international guidelines for nuclear criticality safety, GB 15146.1-2008 establishes specific mandatory administrative regulations tailored to China's national regulatory framework. It defines explicit compliance obligations for both nuclear facility operating organizations and contractor organizations operating under Chinese jurisdiction.

The summary above provides a high-level overview of GB 15146.1-2008. To ensure complete compliance for your nuclear facilities and operations within the Chinese market, a precise and professional translation of the full administrative and technical specifications is essential. Purchase our high-quality English translation of GB 15146.1-2008 today to access all detailed administrative requirements, emergency response protocols, and compliance obligations.

Applicability hints

Type
Safety
CCS
F09
ICS
27.120.30
Competent department
State Administration of Science, Technology and Industry for National Defense
Technical committee
State Administration of Science, Technology and Industry for National Defense

Relationships

Replaces:GB 15146.1-1994