DIN 19850-3:1990-11

1 Scope and field of application
2 Concepts
      2.1 Manhole
      2.2 Manhole components
             2.2.1 Bottom section
             2.2.2 Joint ring
             2.2.3 Manhole section
             2.2.4 Single-unit shaft
             2.2.5 Straight-back taper
             2.2.6 Cover slab
             2.2.7 Seating ring
             2.2.8 Manhole top
      2.3 Prefabricated manhole
3 Requirements
      3.1 Material
      3.2 Dimensions
      3.3 Interchangeability of components
      3.4 Stability
      3.5 Watertightness
      3.6 Hydraulic design
      3.7 Chemical resistance
      3.8 Connections
      3.9 Jointing of components
      3.10 Installation
4 Testing
      4.1 Material
      4.2 Dimensions
      4.3 Interchangeability of components
      4.4 Stability
      4.5 Watertightness
      4.6 Hydraulic design
      4.7 Chemical resistance
      4.8 Connections
      4.9 Jointing of components
5 Access facilities
      5.1 Hand grips
      5.2 Step irons
      5.3 Ladders
6 Inspection
      6.1 General
      6.2 Internal control
      6.3 Third-party inspection
7 Marking

This standard is included in DIN Handbook 88. Specifies general requirements and methods of test for manholes built on buried drains and sewers made from prefabricated circular fibre-cement components complying with DIN 19850 Parts 1 and 2 and for prefabricated manholes.