DB/T 20.1-2025Specification for the construction of seismic station - Underground fluid station - Part 1: Water level, flow rate and temperature (English PDF)
地震台站建设规范 地下流体台站 第1部分：水位、流量和水温台站
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Issued by
China Earthquake Administration
Level / Type
National · Recommended
Issue date
November 27, 2025
Implementation date
June 1, 2026
Scope
DB/T 20.1-2025 is the English-translated version of 地震台站建设规范 地下流体台站 第1部分：水位、流量和水温台站.
DB/T 20.1-2025 — Specification for the construction of seismic station - Underground fluid station - Part 1: Water level, flow rate and temperature
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Document preview — DB/T 20.1-2025
National Standard of the People's Republic of China
- ICS
- 91.120.25
- Classification
- P 15
- Replacing
- DB/T 20.1-2006
Issued by: China Earthquake Administration
1 Foreword
DB/T 20.1-2025 was issued by China Earthquake Administration on 27 November 2025 and has been in force since 1 June 2026.
It replaces the earlier edition DB/T 20.1-2006.
It is one of 2 parts of the DB/T 20 series.
2 About this standard
Issued by: China Earthquake Administration
Supersedes the earlier edition DB/T 20.1-2006.
3 Related standards
Other parts of this standard:
DB/T 20.2-2006 — Underground fluid station Part 2: Gas radon and gas mercury observatory
4 Classification and status
International classification (ICS): 91.120.25
Chinese Standard Classification (CCS): P 15
Prefix DB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
DB/T 20.2-2006 — Specification for the construction of seismic station Underground fluid station Part 2: Gas radon and gas mercury observatory
DB/T 20.1-2006 — Specification for the construction of seismic station Underground fluid station Part 1: Water level and water temperature observatory
DB/T 103.1-2026 — Active fault survey - Determination of age - Part 1: Radiocarbon dating
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DB/T 20.1-2025
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