GB/T 30040.6-2013Leak detection systems - Part 6: Sensors in monitoring wells (English PDF)
双层罐渗漏检测系统 第6部分：监测井用传感器显示系统
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 17, 2013
Implementation date
September 1, 2014
Scope
GB/T 30040.6-2013 is the English-translated version of 双层罐渗漏检测系统 第6部分：监测井用传感器显示系统.
GB/T 30040.6-2013 is the Chinese standard "Leak detection systems - Part 6: Sensors in monitoring wells".
Its scope clause reads: GB/T 30040 provisions of this part of the design for the storage of flammable, but not more than 100 °C flash point of the fuel system V level leak detection Overview measurement system, monitoring wells, liquid identification sensors, sensor and vapor leakage indicating devices.
This section applies to the design store flammable, but not more than 100 °C flash point of the fuel system V level leak detection system. Its clauses include terms and definitions; overview; monitoring wells.
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Document preview — GB/T 30040.6-2013
National Standard of the People's Republic of China
- ICS
- 23.020.01
- Classification
- G 93
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 5 monitoring wells
- 6 Liquid recognition sensor
- 7 vapor sensor
- 8 leakage indicating means
1 Scope
GB/T 30040 provisions of this part of the design for the storage of flammable, but not more than 100 °C flash point of the fuel system V level leak detection
Overview measurement system, monitoring wells, liquid identification sensors, sensor and vapor leakage indicating devices.
This section applies to the design store flammable, but not more than 100 °C flash point of the fuel system V level leak detection system.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 4208 housing protection (IP Code)
GB/T 30040.1 double-tank leak detection systems - Part 1. General
GB/T 30040.4-2013 double-tank leak detection systems - Part 4. Applied leakage prevention facilities or double gap or liquid
Vapor Sensor System
3 Terms and Definitions
Terms and definitions GB/T 30040.1 defined apply to this document.
4 Overview
General technical requirements in accordance with GB/T 30040.1 requirements.
5 monitoring wells
Down 5.1 from the ground monitoring wells drilled formation, its minimum diameter of 300mm.
5.2
If a liquid sensor, the monitoring wells should surface extends down into the following positions further down the depth of at least 1.0m.
a) the minimum normal water table;
b) the lower end of the tank or pipe.
5.3
Choosing a), b) the lowest point of both.
5.4
If a vapor sensor, monitoring wells should surface extends down into the tank or pipe the lower end of the lowest point and then down at least
Depth of 1.0m.
5.5
If there is a normal risk down to the water table monitoring wells above the radiation holes lowest opening 1.0m or less, use steam sensor.
5.6
Monitoring wells shall extend from the surface to the lowest point of the well casing, the sleeve is evenly covered with radiation holes in the vertical and circumferential directions.
Distribution of radiation holes should allow the liquid at any height can enter the well, while preventing soil around the entry. Casing should have sufficient strength
Degree, regardless of whether there is liquid monitoring wells, should not be damaged under the pressure of the surrounding land.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 30040.1-2013 — Leak detection systems—Part 1: General principles
GB/T 30040.2-2013 — Leak detection systems—Part 2: Pressure and vacuum systems
GB/T 30040.3-2013 — Leak detection systems - Part 3: Liquid systems for tanks
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