ДСТУ EN 12889:2022 Бестраншейное строительство и испытание дренажей и коллекторов (EN 12889:2000, IDT)

ДСТУ EN 12889:2022
(EN 12889:2000, IDT)

Безтраншейне будівництво та випробування дренажів і колекторів

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

Contents

Foreword

1 Scope

2 Normative references

3 Definitions

4 General

5 Construction components and materials

5.1 General

5.2 Pipes and joints

5.3 Manholes and inspection chambers

5.4 Delivery, handling and transportation on site

5.5 Storage

6 Techniques

6.1 Unmanned techniques

6.2 Manned techniques

7 Requirements

7.1 Safeguarding design assumptions

7.2 Special requirements

7.3 Safeguarding design assumptions

7.4 Information about ground conditions

7.5 Data collection during installation

7.6 Stability during construction

7.7 Overcut

7.8 Overbreak

7.9 Settlement and heave

7.10 Deviation in line and level

8 Inspection and/or testing of pipelines after installation

8.1 Visual inspection

8.2 Leaktightness

9 Procedures and requirements for testing gravity pipelines

9.1 General

9.2 Testing with air (method “L”)

9.3 Testing with water (method “W”)

9.4 Testing of each individual joint

10 Testing of pressure pipelines

11 Qualification

Annex A (informative) Abstract from Council Directive of 17 September 1990 on the procurement procedures of entities operating in the water, energy, transport and telecommunication sectors