Investigation and assessment of drain and sewer systems outside buildings - Visual inspection coding system Ingestion-build-78747 BS EN 1799 also describes

BS EN 1799 also describes a method for the determination of the suitability of injectable structural bonding agents for application between two surfaces

but it only provides a detailed description and methodology for the three levels of Type A testing

DAT logotypes

6 Operating conditions for lighting equipment

Investigation and assessment of drain and sewer systems outside buildings - Visual inspection coding system Ingestion-build-78747 BS EN 1799 also describes1 Scope This European Standard is applicable to the investigation and assessment of drain and sewer systems outside buildings. It is applicable to drain and sewer systems, which operate essentially under gravity, from the point where the wastewater leaves a building or roof drainage system, or enters a road gully, to the point where it is discharged into a treatment works or receiving water. Drains and sewers below buildings are included provided that