This specification is prepared in accordance with the requirements of Notice on Development and Revision of the First Batch of Energy Industry Standards in 2010 (GNKJ (2010) No.320).During drafting this specification, the drafting team has conducted extensive researches and investigations, summarized main technical measures for construction safety monitoring of hydropower and water resources projects, and incorporated the latest research results.This specification covers the content of safety monitoring for works including slope excavation, cofferdam, underground works,concrete dam and powerhouse and earth-rockfill dam, and processing and analysis of monitoring data.This specification was proposed by China Electricity Council.
Foreword 1 General Provisions 2 Terms 3 Slope and Excavation 3.1 GeneraI Requirements 3.2 Slope Deformation Monitoring 3.3 Slope Support Monitoring 3.4 Adverse Blast Effect Monitoring 3.5 Detecting of the Range of Rock mass Relaxation 3.6 Slope Seepage Monitoring 4 Cofferdam 4.1 General Requirements 4.2 Cofferdam Surface Deformation Monitoring 4.3 Crack Monitoring 4.4 Morutoring on Water Level and Flow Rate of Cofferdams 4.5 Hydraulics Monitoring on Overflow Cofferdam 5 Underground Works 5.1 GeneraI Requirements 5.2 Surrounding Rock Stability Monitoring 5.3 Blast Effect Monitoring 5.4 HarmfuI Gas Monitoring 6 Concrete Dam and Powerhouse 7 Earth-rockfill Dam 8 Processing and Analysis of Monitoring Data Annex A Monitoring Items and Frequency for Cofferdam Construction Annex B Methods and Content of Advance Geological Forecast Explanation of Wording in this Specification List of Quoted Standards