Althon Headwall - Types of Projects

Althon Headwalls for HS2

Althon have supplied hundreds of headwalls to the HS2 rail project. Where required Althon have supplied headwalls with CARES accredited steel reinforcement. All the headwalls were manufactured with a low carbon concrete mix whilst adhering to the requirements of BS 8500

Althon headwalls where required comply with HS2 specification for civil engineering works. SCEW-1700 Structural Concrete relates to precast structures being used in a structural or load bearing capacity. Althon headwalls can fall under this specification due to their retaining wall nature. The specification requires relevant Althon headwall structures have a 120 year design life which is determined by a minimum concrete cover to steel reinforcement on the wall and apron thickness as well as a requirement for grade 316 stainless steel components that come into contact with the concrete. This includes the cast in accessory sockets, toe extension connection and any internal reinforcement steel that anchors these sockets.

Althon Headwalls for Infrastructure Projects

As well as HS2 Althon has supplied precast headwalls to Hinkley Point C and Sizewell C Nuclear Power Stations as well as to airports, freight terminals & ports as well Althon headwalls to solar farms and infrastructure associated with Offshore Wind

Althon Headwalls for Highways

Althon can help specify the correct headwalls for your highways scheme with options on headwalls with both 50 and 120 year design life

Althon Headwalls for Water Authorities & The Environment Agency

Althon can assist with specifying the correct headwall to use depending on the requirements of a specific water authority or the Environment Agency. Althon have headwalls suitable for adoption under Sewerage Sector Guidance as well as ranges specific to Severn Trent and Anglian Water.