NS EN 805 : 1ED 2000
Current
The latest, up-to-date edition.
WATER SUPPLY - REQUIREMENTS FOR SYSTEMS AND COMPONENTS OUTSIDE BUILDINGS
12-01-2013
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 Protective 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 disinfection
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 B (informative) A-deviations
Annex C (informative) Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.