ДСТУ EN 805:2022 Водопостачання. Вимоги до систем і компонентів поза будівлями (EN 805:2000, IDT)



ДСТУ EN 805:2022
(EN 805:2000, IDT)

Водопостачання. Вимоги до систем і компонентів поза будівлями

 

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Definitions

3.1 Pressures

3.2 System

3.3 Components

3.4 Diameters

3.5 Installation

3.6 Hydraulic design

3.7 Structural design

4 Application of standards and regulations

5 Requirements for water supply systems

5.1 Water quality

5.2 Design life

5.3 Demand for water

5.4 System security

6 Service objectives

7 Rehabilitation

8 Design

8.1 Design objectives

8.2 Peak flow factors

8.3 Hydraulic design

8.4 Structural design

8.5 System layout

8.6 Protection against aggressive environment

8.7 Reservoirs

8.8 Pumping stations

8.9 Documentation

9 General requirements for product standards

9.1 General

9.2 Materials

9.3 Dimensions

9.4 Structural design

9.5 Mechanical requirements

9.6 Water tightness

9.7 Joints

9.8 Protective measures

9.9 Durability

9.10 Test methods

9.11 Interconnection of products

9.12 Quality control

9.13 Marking

10 Installation

10.1 General requirements

10.2 Pipe trenches

10.3 Installation of pipeline components

10.4 Pipe joints

10.5 Protection against corrosion and contamination

10.6 Embedment and main backfill

10.7 Records of tests during installation

11 Testing of pipelines

11.1 General requirements

11.2 Safety

11.3 Pressure test

12 Disinfection

12.1 General

12.2 Preparation for disinfection

12.3 Selection of disinfectant

12.4 Disinfection procedures

12.5 Microbiological clearance and reporting

13 Additional requirements

14 Operation

14.1 Inspection and monitoring

14.2 Maintenance

15 Updating of documentation

Annex A (informative) Guidance to EN 805

Annex В (informative) A-deviations

Annex C (informative) Bibliography