Standards, classes and groupings
|
Standards
|
BS EN 124
CD 534
CD 526
DMRB
MCHW
|
|
BS EN 124 Class
|
D400
|
|
BS EN 124 Group
|
4
3
|
|
Third party certified
|
Kitemark
|
Dimensions
|
Frame shape
|
Rectangular
|
|
Overall frame length (A)
|
625 mm
|
|
Overall frame width (B)
|
535 mm
|
|
Clear opening length (C)
|
430 mm
|
|
Clear opening width (D)
|
410 mm
|
|
Frame depth (E)
|
150 mm
|
|
Base opening length (F)
|
450 mm
|
|
Base opening width (G)
|
440 mm
|
|
Waterway area
|
1,250 cm²
|
Notes
The use of road plates is recommended where exposure to construction site traffic is likely.
Where 3-flange D400 Gully Grate assemblies are employed, we recommend that they are installed against a kerb, not in an open highway location.
