Standard No.:	NB/T 20234-2013
English Name:	Code for Design of Cranes Dedicated for Nuclear Power Plants
Chinese Name:	核电厂专用起重机设计准则
Professional Classification:	NB    Professional Standard - Energy
Issued by:	National Energy Administration
Issued on:	2013-6-8
Implemented on:	2013-10-1
Status:	valid
Superseding:	EJ/T 801-1993
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	140.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies design rules, functional requirements, installation and test requirements for cranes at nuclear power plants (hereinafter referred to as cranes). This Standard is applicable to cranes hoisting critical load within PWR nuclear power plant, e.g. polar cranes of reactor plant (hereinafter referred to as polar cranes) as well as cranes with spent fuel container, cranes with water pool of spent fuel and auxiliary crane of fuel plant. Cranes in other types of nuclear power plant may also be for reference. 2 Normative References The following documents are indispensable for the application of this specification. For dated references, only the dated edition is applicable to this Standard. For undated references, the latest edition (including any amendments) applies to this document. GB/T 700 Carbon Structural Steels GB/T 1591 High Strength Low Alloy Structural Steels GB/T 3323 Radiographic Examination of Fusion Welded Joints in Metallic Materials GB/T 3811-2008 Design Rules for Cranes GB/T 4942.1 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP Code) - Classification GB 5905 Cranes - Test codes and Procedures GB 6067.1 Safety Rules for Lifting Appliances - Part 1:General GB/T 10183.1 Cranes-Tolerance for Wheels and Travel and Traversing Tracks-Part 1: General Provisions GB/T 11021 Electrical Insulation - Thermal Classification GB/T 14405 Bridge Crane for General Purpose GB/T 19418 Arc-welded Joints in Steel - Guidance on Quality Levels for Imperfections JB/T 4315 Crane Electric Control Equipment JB/T 10559 Non-destructive Testing of Lifting Appliances--Ultrasonic Testing of Steel Welds 3 Terms and Definitions

Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Function Requirements 5 Design Rules 6 Installation 7 Tests 8 Maintenance and Repair Appendix A Working Level of Crane (Normative) Appendix B Positioning Accuracy and Speed Deviation of Crane (Informative) References