ДСТУ EN 1444:2022 Фіброцементні трубопроводи. Посібник з укладання та робіт на місці експлуатації (EN 1444:2000, IDT)



ДСТУ EN 1444:2022
(EN 1444:2000, IDT)

Фіброцементні трубопроводи. Посібник
з укладання та робіт на місці експлуатації

 
   
 
 
     
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 Terms and 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 General requirements

4.1 Qualifications

4.2 Rules for the execution of construction work

4.3 Health and safety

5 Transport, handling and storage

5.1 General recommendations

5.2 Off-loading

5.3 Stacking of pipes

5.4 Storage of joints and fittings

6 Stringing out

7 Types of beddings and embedments

7.1 Bedding type A is the general recommended way for laying fibre-cement pipes

7.2 Bedding type B

7.3 Bedding type C is recommended in laying condition which require special design consideration

8 Excavation and preparation of the trench

8.1 General recommendations

8.2 Depth of cover

8.3 Distances from underground installation

8.4 Trench width

8.5 Trench depth

8.6 Preparation of trench bottom

9 Pre-laying inspection of components, lowering pipes, joints and fittings into the trench

9.1 General recommendations

9.2 Lowering by hand

9.3 Lowering with ropes

9.4 Lowering with mechanical equipment

10 Pipe laying

10.1 General recommendations

10.2 Special laying conditions

11 Jointing

11.1 General requirements

11.2 Unrestrained joints

11.3 Restrained joints

11.4 Lubrificant for joints

12 Anchorages

13 House service connections

13.1 Direct connection

13.2 Indirect connection

14 Embedment and backfilling

14.1 Partial backfilling

14.2 Backfilling after pressure testing

15 Working processes and recommended tools

16 Tool specification

16.1 General recommendations

16.2 Lathe cutter, lathe, hole cutter

16.3 Jigsaw

16.4 Low speed circular saw

16.5 Chain cutter

16.6 Abrasive discs

17 Dust extraction equipment

17.1 Characteristics

17.2 Recommendations

17.3 Cleaning and disposal of the waste

Annex A (informative) A-deviations