UNI EN 858-1 : 2005

Foreword
1 Scope
2 Normative references
3 Terms and conditions
4 Classes of separators
5 Nominal sizes
6 Requirements
   6.1 General
   6.2 Materials
       6.2.1 General
       6.2.2 Concrete
       6.2.3 Metallic materials
       6.2.4 Plastic materials
       6.2.5 Sealing materials
       6.2.6 Coatings/linings
       6.2.7 Chemical resistance
   6.3 Design requirements
       6.3.1 Area of the separator or sludge trap
       6.3.2 Watertightness of components
       6.3.3 Accessibility
       6.3.4 Water seals
       6.3.5 Pipes and pipe joints
       6.3.6 Internal components
       6.3.7 Sludge traps
       6.3.8 Access covers
   6.4 Structural stability
       6.4.1 General
       6.4.2 Separator systems made of unreinforced concrete,
             fibre-reinforced concrete, reinforced concrete
       6.4.3 Separator systems made of glass fibre-reinforced
             plastics
   6.5 Functional requirements
       6.5.1 General
       6.5.2 Storage capacity for light liquids
       6.5.3 Automatic closure devices
       6.5.4 Automatic warning devices and additional devices
       6.5.5 Separators with a bypass device
       6.5.6 Determination of the nominal size and class
   6.6 Marking
       6.6.1 Separator systems
       6.6.2 Automatic closure devices, automatic warning devices
7 Manufacturer's product information
8 Test methods
   8.1 Materials
       8.1.1 Concrete
       8.1.2 Plastics materials
       8.1.3 Coatings
       8.1.4 Chemical resistance of internal surfaces
       8.1.5 Chemical resistance of external coatings
   8.2 Watertightness of system components
   8.3 Functional requirements
       8.3.1 Storage capacity for light liquid
       8.3.2 Automatic closure device
       8.3.3 Determination of the nominal size and class
9 Type testing of factory made separator systems
   9.1 General
   9.2 Prototypes and documentation
10 Quality control
   10.1 General
   10.2 Factory production control
Annex A (normative) Analysis of effluent samples
        A.1 General
        A.2 Extraction and preparation of the extract
        A.3 Evaluation
Annex B (normative) Factory production control
Annex C (informative) Established methods of calculation
        and testing
        C.1 Germany
        C.2 The Netherlands
        C.3 France
Annex D (informative) Control by third party (third party
        control)
        D.1 General
        D.2 Procedure of the third party control
            D.2.1 Factories certified to EN ISO 9001
            D.2.2 Factories not certified to EN ISO 9001
        D.3 Report by the third party
        D.4 Non-conforming products
Annex E (informative) A-Deviation
Bibliography

Specifies definitions, nominal sizes, principles of design, performance requirements, marking, testing and quality control for separator systems for light liquids. Does not apply to the treatment of stable emulsions, solutions of light liquids and water, grease and oils of vegetable and animal origin.