What is F900 loading?
Class F900 Access covers and gratings capable of withstanding a 90 tonnes test load. For use in areas where very heavy wheel loads are imposed such as aircraft pavements. Class B125 Access covers and gratings capable of withstanding a 12.5 tonnes test load.
What is en124 standard?
This European Standard is applicable to gully tops and manhole tops made of flake graphite cast iron and/or spheroidal graphite cast iron whether in combination with concrete or not, with a clear opening up to and including 1 000 mm for covering gullies, manholes and inspection chambers for installation within areas …
What does D400 mean?
Standard weight load classes
| Class | Max. weight load (tonnes) | Uses |
|---|---|---|
| C250 | 25 | Lightly trafficked roads and small private car parks |
| D400 | 40 | Main roads, highways and high traffic areas such as public car parks |
| E600 | 60 | Industrial estates, loading bays and cargo handling yards |
| F900 | 90 | Docks and airports, extreme heavy duty applications |
What is a B125?
The B125 loading classification is a robust choice in many cases where light vehicular, slow moving traffic is present. Even though it’s not a suitable choice for main highways, it is ideal for driveways, footpaths, grass verges and some car parks.
What is A15 load rating?
Class A15 — covers and gratings capable of withstanding a 15kN test load. Class B125 — covers and gratings capable of withstanding a 125kN test load. Class E600 — covers and gratings capable of withstanding a 600kN test load. Class F900 — covers and gratings capable of withstanding a 900kN test load.
What is load Class A 15?
A class apart: all you need to know when it comes to drainage.
| Application | Load Class |
|---|---|
| Pedestrian, cycleways, low traffic areas (light domestic vehicles only). | A 15 |
| Pedestrian precincts, light vehicles, private car parks and driveways. | B 125 |
| Parking areas, service stations (cars) and slow-moving light commercial vehicles. | C 250 |
What is C250 load?
Class C250 — covers and gratings capable of withstanding a 250kN test load. Class D400 — covers and gratings capable of withstanding a 400kN test load. Class E600 — covers and gratings capable of withstanding a 600kN test load.
How do you choose a manhole cover?
There is a small rim that fits the cover. As the base and the cover are mostly made by casting process, it is called castings. The covers have “pick holes” with a handle to lift the manhole cover. These pick holes are sealed to make the cover watertight or it can be left as such to let sunlight pass through it.
What is a D400 cover?
Heavy Duty Ductile Iron Manufactured to BS:EN124 Class D400. For covers and gratings used in carriageways of roads (including pedestrian streets), hard shoulders and parking areas, for all types of road vehicles.
What is class B load?
Class B. Loads of 61 – 175 psi. Recommended for medium-duty pneumatic tire traffic, autos and light trucks at speeds less than 20 m.p.h.