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CECS 184-2005Technical specification for prevention of backflow pollution in water supply system (English PDF)

给水系统防回流污染技术规程

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Issued by

China Association for Engineering Construction Standardization

Level / Type

National · Mandatory

Issue date

June 25, 2005

Implementation date

September 1, 2005

Scope

CECS 184-2005 is the English-translated version of 给水系统防回流污染技术规程.

CECS 184-2005 is the Chinese standard "Technical specification for prevention of backflow pollution in water supply system".

This standard applies: The following backflow prevention of pollution water supply project:, commercial and residential district domestic water supply, industrial plant construction and water supply, landscaping water, fire water, others require backflow prevention of pollution water supply system. Issued on 2005-06-25, in force from 2005-09-01.

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Document preview — CECS 184-2005

National Standard of the People's Republic of China

ICS: 13.060.01; 91.140.60
Classification: P40

[Preview only]
1 General Provisions
2 Terms and Symbols
2.1 Terms
2.2 Symbols
3 Materials
3.1 General Requirements
3.2 Determination of Estimated Strength of Concrete with Dilled Cores
3.3 Drilled Core Correction Method
4 Design
4.2 Calculation of Earthquake Action and Earthquake Response
4.3 Design of Isolation Layer
4.4 Design of Structural Elements Above the Isolation Layer
4.5 Design of the Structural Elements below Isolation Layer and of the Soil and Foundation
5 Structural Calculation
5.2 Design of Seismic Isolator
5.3 Installation
5.4 Construction Requirements
5.5 Construction Quality Control and Monitor
5.6 Environmental Protection
6 Processing of Core or Technical Requirements of Specimen
6.3 Connection between Membrane and Rigid Boundary
6.4 Connection between Membrane and Flexible Boundary
6.5 Action Effect Combination
7 Test of Core Specimen and Calculation of Compressive Strength
7.1 Construction and Installation
7.2 Construction Survey
7.3 Project Acceptance
7.4 Maintenance of Isolation Layers
7.5 Critical Temperature of Steel Frame Beam and Column
8 Detailing Requirements
8.1 Erection of Steel Members and Tension Cables
8.2 Erection of Membrane Elements
8.3 Application of Pretension Force
8.4 Nondestructive Testing of Connection of Structural Steel Casting
8.5 Marking, Storage and Transport
9 Acceptance
9.1 Protection Measures and Selection Principle
9.2 Construction

1 Foreword

CECS 184-2005 was issued by China Association for Engineering Construction Standardization on 25 June 2005 and has been in force since 1 September 2005.

The CECS prefix marks a association standard of the engineering construction sector, adopted voluntarily.

The document runs to 15 pages in English translation.

2 Scope Preview

CECS 184-2005 falls under ICS 13.060.01; 91.140.60, in the field of environment and health protection, safety.

This catalogue holds 12 other CECS standards in that field.

In this catalogue, CECS standards carry edition years from 1988 to 2016.

3 About this standard

Sector: Construction Industry Standard

Issued by: China Association for Engineering Construction Standardization

English translation: about 15 pages (approximate)

Chinese original: about 22,215 characters

4 Related standards

Standards on related subjects:

GB/T 18920-2020 — The reuse of urban recycling water—Water quality standard for urban miscellaneous use

GB/T 18921-2019 — The reuse of urban recycling water - Water quality standard for scenic environment use

GB/T 18919-2002 — The reuse of urban recycling water--Classifiedstandard

CECS 446-2016 — Technical specification for application of double check valve backf low prevention assembly

CECS 205-2015 — Technical specification for stainless steel lined or claded composite steel pipeline engineering

5 Classification and status

International classification (ICS): 13.060.01; 91.140.60

Chinese Standard Classification (CCS): P 40

Prefix CECS: association standard of the engineering construction sector, adopted voluntarily.

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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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