According to the requirements ofDocument GNKJ [2012] No. 83 issued by National Energy Administration of thePeople’s Republic of China, “Notice on Releasing the Development and RevisionPlan of the First Batch of Energy Sector Standards in 2012” and after extensiveinvestigation and research, summarization of practical experience, andextensive solicitation of opinions, the drafting group has prepared this code.
The main technical contents of thiscode include: arrangement, materials, structural design, details design, constructiontechnology requirements, monitoring and testing of rock-bolted crane girders ofunderground powerhouses.