HS2 – COLNE VALLEY VIADUCT Client: ALIGN JV (Bouygues Travaux Publics, VolkerFitzpartick & Sir Robert McAlpine) Value: £9³¾ 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      place and installation of Bolt Clusters to provide a fixing location for the       noise barrier and OCS mast fixing. Installation of a Steel Fibre Reinforced Concrete (SFRC) slab on top of the       deck waterproofing membrane. 2nd Stage concrete works within the deck, including diaphragm               walls, Void walls, Shear keys, Mass concrete in voids and internal ramps        and steps. Filling of holes in precast units. Earthing and bonding.
