BS EN 124:2015 Gully tops and manhole tops for vehicular and pedestrian areas

BS EN 124:2015 Gully tops and manhole tops for vehicular and pedestrian areas

What is EN124 Standard?

BS EN 124 (Gully Tops and Manhole Tops for Vehicular and Pedestrian Areas) was first published in 1994 to replace the BS 497:1976 Specification for Manhole Covers, Road Gully Gratings and Frames for Drainage Purposes. Originally a European standard, it was adopted by the UK and now covers the definitions, classification, general principles of design, performance requirements and test methods for gully tops and manhole tops manufactured from a range of materials. Following substantial revision in 2015, the classification now also includes overarching documentation entitled BS EN 124-1:2015, as well as five sub-sections related to specific materials, which are as follows:

BS EN 124-2:2015 Gully tops and manhole tops made of cast iron

BS EN 124-3:2015 Gully tops and manhole tops made of steel or aluminium alloys

BS EN 124-4:2015 Gully tops and manhole tops made of steel reinforced concrete

BS EN 124-5:2015 Gully tops and manhole tops made of composite materials

BS EN 124-6:2015 Gully tops and manhole tops made of polypropylene (PP), polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U).

Different Groups and Classes of EN124

The BS EN124 classification includes six groups that each represent different environments where covers or gratings may be used. These include:

Group 1: Areas that only pedestrians are able to access.

Group 2: Pedestrian areas and car parks where vehicle access is only occasional. This can include residential driveways.

Group 3: Forecourts, car parks, industrial sites and areas with slow moving traffic. This group also includes areas in highway locations that are no more than 50cm from the kerb and no more than 20cm onto the verge, however this excludes motorways.

Group 4: Areas that cars and lorries can access, such as hard shoulders, carriageways, as well as other pedestrian areas.

Group 5: High load areas, including docks, loading areas, and aircraft pavements.

Group 6: Aircraft pavements and other areas with high wheel loads.

It also includes several classes that rate the static load capabilities of a gully top, access cover or manhole cover. These range between Class A15 to Class F900, as detailed below:

Class A15 Manhole Cover: Used to denote covers and gratings that can withstand a 15kN test load.

Class B125 Manhole Cover: Used to denote covers and gratings that can withstand a 25kN test load.

Class C250 Manhole Cover: Used to denote covers and gratings that can withstand a 250kN test load.

Class D400 (D400 Double Triangular Cover): Used to denote covers and gratings that can withstand a 400kN test load.

Class E600: Used to denote covers and gratings that can withstand a 600kN test load.

Class F900: Used to denote covers and gratings that can withstand a 900kN test load.

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