UNE-EN 12255-1:2002
Current
The latest, up-to-date edition.
Wastewater treatment plants - Part 1: General construction principles.
Hardcopy , PDF
Spanish, Castilian, English
10-17-2002
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General requirements
4.2 Design requirements
4.3 Structural requirements
4.3.1 General
4.3.2 Dimensional tolerances
4.3.3 Concrete tracks
4.3.4 Fixings and connections between equipment
and structures
4.3.5 Access
4.3.6 Building ventilation
4.3.7 Water supply and drainage
4.3.8 Lifting equipment
4.3.9 Storage for hazardous chemicals and fuels
4.4 Requirements for equipment
4.4.1 Principles for mechanical design
4.4.2 General design requirements
4.4.3 Environmental impact
4.4.4 Safety
4.4.5 Documentation
4.4.6 Spare parts, special tools
5 Test methods
5.1 Function and performance
5.2 Tightness testing of concrete basins
5.3 Tightness testing of earthen basins
5.4 Tightness testing of other structures and equipment
Annex A (informative) Explanatory notes
Annex B (normative) Structural tolerances
B.1 Circular tank
B.1.1 Circular tank with scraper
B.1.2 Circular tank with a scraper bridge travelling
on the side wall (track)
B.2 Rectangular tank
Bibliography
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.