Project engineers consulted with Xypex Technical Services to determine the optimal dosing for Admix C-1000 NF for the concrete used at varying depths in the foundation. For instance, the lowest and most hydraulically susceptible structures—footings, slabs and elevator pit— received the highest dose of Admix C-1000, which was 5 kg/m3. The lower level (storage area) concrete walls were dosed at 4 kg/m3, and the gallery level walls (just below ground level) were dosed at 3 kg/m3.