The Series 450 Galvanised Steel Class B Grate fits the RELN Series 450 Pit and Uni-Pit Vortex 450, and is ideal for commercial applications and areas accessible to vehicles.
RELN Series 450 Heavy Duty Commercial Pits are the perfect surface water pits for commercial applications including driveways, carparks, and trafficable areas.
RELN have a complete range of sizes in square and environmental pits as well as extensive grate options to offer both DIYers and trade professionals a complete solution for directing water away from the home. All Heavy Duty Commercial pits have conventional security grates and a range of innovative features that make installation easy and flexible.
Measurement of the external perimeter.
Measurement of the internal perimeter.
Enter your email to receive instructions
on how to reset your password.
|Class Loading||Typical Use||Nominal Wheel Loading kg||Serviceability Design Load kN||Ultimate Limit State Design Load kN|
|RESIDENTIAL||Non-rated usage. Designed for residential applications such as pathways and driveways.||N/A||N/A||N/A|
|CLASS||Areas (including paths) accessible only to pedestrians and pedal cyclists and closed to other traffic.||330||6.7||10|
|CLASS||Areas (including paths and light tractor paths) accessible to vehicles (excl. commercial vehicles) or livestock.||2670||53||80|
|CLASS||Malls and areas open to slow moving commercial vehicles.||5000||100||150|
|CLASS||Carriageways of roads and areas open to commercial vehicles.||8000||140||210|
|CLASS||General docks and aircraft pavements.||13 700||267||400|
|CLASS||Docks and aircraft pavements subject to high wheel loads.||20 000||400||600|
|CLASS||Docks and aircraft pavements subject to very high wheel loads.||30 000||600||900|