Gully tops and manhole tops for vehicular and pedestrian areas - Securing of the cover or grating within the frame
With DIN EN 124-1, DIN EN 124-2, DIN EN 124-3, DIN EN 124-4, DIN EN 124-5 and DIN EN 124-6, the standard applies to gully tops and manhole tops with a clear width of up to including 1 000 mm which ...