Ductile iron access cover with round cover with concrete infill and round frame, complies with standard EN124, class D400: 1994, test load 400kN.
Access cover comprises a round unventilated cover with or without concrete infill and a round frame with anchoring holes.
Specifications of the concrete :
Cement CPA CEMI 52.5 N : 170 KG
Aggregate 1 - SAND 0.5 : 420 KG
Aggregate 2 - GRAV. 5.10 : 264 KG
Aggregate 3 - GRAV. 5.12 : 33 KG
Aggregate 4 - CRUSH 0.4 : 90 kg
Water - DRINKABLE