HS2 – COLNE VALLEY VIADUCT Client: ALIGN JV (Bouygues Travaux Publics, VolkerFitzpartick & Sir Robert McAlpine) Value: 拢9尘 Cast in situ, reinforced Robust Kerb. Installation of an Ultra High-Performance Concrete (UHPC) Parapet. Installation of a 2nd stage Concrete Stitch to secure the UHPC Parapet in聽 聽 聽 聽 聽 聽 place and installation of Bolt Clusters to provide a fixing location for the聽 聽 聽 聽 聽 聽 聽 noise barrier and OCS mast fixing. Installation of a Steel Fibre Reinforced Concrete (SFRC) slab on top of the聽 聽 聽 聽 聽 聽 聽deck waterproofing membrane. 2nd Stage concrete works within the deck, including diaphragm聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 聽 walls, Void walls, Shear keys, Mass concrete in voids and internal ramps聽 聽 聽 聽 聽 聽 聽 聽 and steps. Filling of holes in precast units. Earthing and bonding.
