FRAME
It is made in a single cast, the particular frame of this grate, thanks to the specific drainage holes, allows the water to be absorbed by the asphalt for inside drainage (and successively in the runoff channel).
GRATE
It is rectangular in shape, with parallel rectangular slots; the upper surface is designed to be non-skid with self cleaning grips, which avoid blockage and the deposit of leaves, paper and other elements. The locking system is composed of an elastic bar, on one side, and by 2 holes for the clamps on the other side
STANDARD EN 124 CLASSIFICATIONS AND PLACES OF EMPLOYMENT
Manhole covers, gullies and gratings can be distinguished into the following classes: A15, B125, C250, D400, E600 ed F900.
Group 4 (Class D400 minimum) road carriageways (including pedestrian streets), hard shoulders and parking areas for all types of road vehicles.
THE APPROPRIATE LOADING CLASS CHOICE IS UP TO THE WORKS DIRECTOR. IN CASE OK DOUBT (SUCH AS PARTICULARLY INTENSE TRAFFIC OR VERY HIGH LOADS AREA), IT WOULD BE APPROPRIATE TO CHOOSE A SUPERIOR LOADING CLASS.