| Standard ID | NB/T 20346-2015 (NB/T20346-2015) |
| Description (Translated English) | The technical specification of fabrication and assemble for polar crane beam in PWR nuclear power plants |
| Sector / Industry | Energy Industry Standard (Recommended) |
| Classification of Chinese Standard | F65 |
| Classification of International Standard | 27.120.20 |
| Word Count Estimation | 22,253 |
| Date of Issue | 2015-07-01 |
| Date of Implementation | 2015-12-01 |
| Quoted Standard | GB/T 709; GB/T 985.1; GB/T 985.2; GB/T 1228; GB/T 1229; GB/T 1230; GB/T 1231; GB/T 5210; GB 8923-1988; GB/T 9750- 1998; GB/T 14977; GB 50205-2011; HG/T 2537; JGJ 82; NB/T 20002.2; NB/T 20002.3; NB/T 20002.5; NB/T 20003.1; NB/T 20003.2; NB/T 20003.3; NB/T 20003.4; NB/T 20003.7; HAF 603 |
| Regulation (derived from) | Energy Administration Announcement 2015 No.4 |
| Issuing agency(ies) | National Energy Board |
| Summary | This standard specifies the technical requirements for the production and installation of General PWR nuclear power plant reactor building polar crane track beam. This standard applies to the construction and installation of prefabricated PWR polar crane rail beams for steel-lined concrete containment reactor type. |