Self-supporting type I. Internal dimensions wxh=30x30cm (external dimensions wxh=46x44cm). Working length 3m. Load class A15 according to EN1433. Concrete edge profile. Reinforced self-compacting concrete C60/75. Environmental classes XD3-XF4-XC4-XA3. Durability W+R. Tongue/groove connection. Hoisting device ball head anchors type DEHA. Installation instructions according to manufacturer's specifications. Standardization according to EN1433. For recessed grid/lid. Industrial gray concrete, not architectural concrete. Color shades and air bubble formation possible. In an industrial environment and/or with very intensive use, we recommend the version with galvanized edge profile. Gutter must be wrapped in geotextile. Supplied excluding geotextile. Section current profile 900 cm2. Weight 700kg