NEN EN 1253-1 : 2015
Current
The latest, up-to-date edition.
GULLIES FOR BUILDINGS - PART 1: TRAPPED FLOOR GULLIES WITH A DEPTH WATER SEAL OF AT LEAST 50 MM
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 Loading strength
5 Places of installation
5.1 General
5.2 Exceptions
6 Nominal sizes
7 Materials
8 Design and construction
8.1 General
8.2 Appearance
8.3 Depth of water seal
8.4 Resistance of water seal to pressure
8.5 Apertures in gratings
8.6 Blockage prevention: trapped gullies
8.6.1 Access for cleaning
8.6.2 Self-cleansing capacity
8.6.3 Anti-blockage
8.7 Side inlets
8.8 Thermal behaviour
8.8.1 Temperature cycling for floor gullies
8.8.2 Additional mounting conditions and test
conditions for gullies for use with
sheet floor covering
8.8.3 Roof outlets
8.8.4 Behaviour when exposed to hot bitumen
or asphalt
8.9 Tightness
8.9.1 Odourtightness: trapped gullies
8.9.2 Watertightness for gully bodies
8.9.3 Gullies for use with a membrane
8.9.4 Gullies for use with a sheet floor
covering
8.9.5 Gullies with factory affixed skirt
membrane
8.9.6 Watertightness for extensions
8.10 Mechanical strength
8.10.1 Extensions for gullies for use with
sheet floor covering
8.10.2 Membrane clamping ring
8.10.3 Gullies with factory affixed skirt
membrane
8.11 Flow rates
8.11.1 Water through the grating
8.11.2 Water through the grating and side inlets
8.11.3 Water through the side inlet
8.12 Roof outlets for siphonic drainage systems
8.12.1 Fitness for the purpose
8.12.2 Coefficient of hydraulic loss
9 Marking
10 Quality control
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