This is a high 5Tns tank. for water reserve, with construction details.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
column stirrup, in mt, stirrups, card, for card, pedestal, shoe, iron boot in shoe, hooks, crusaders, pedestal, shoe, security guard, tank lts., security guard, tank lts., anchor ladder, floor, anchorage ladder, slab, card, hooks, column, anchor ladder, floor, card, hooks