Prep for Retrievals - Low Level Gantry North - Original Building & First Extension

Sub-Tasks - Manufacture - • 1.2 - Pk 17 (C1-Void) Low level Gantry North OB (EO 1699). • 2.2 - Pk 21 (Void-C11) Low level Gantry North 1st Ext including Fabrication Design (EO 1703). Installation - • 1.1 - Low level Gantry North OB modifications to Valves / fitting of modified Damper handle and mods to fire hydrant clash management (EO 1712). • 1.3 - Pk 17 (C1-Void) Low level Gantry North OB (EO 1699). • 2.1 - Low level Gantry North 1st Ext Mechanical space (clash) management modifications (EO 1703). • 2.3 - Pk 21 (Void-C11) Low level Gantry North 1st Ext (EO 1703).