Anchor.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
n.p.t., plant, formwork, support, cut, formwork, leveling concrete, n.fund, n.s.h., n.t.n., pipe, cut, formwork, n.s.h., Foundation, cut, armor, cut, armor, cut, armor, Forks, cut, detail anchors, plant, projection, motherboard, anchor bolts, anchorages, foundations for, leveling grout, detail anchors, replenishment, n.t.n., natural terrain, compacted, replenishment, compacted, replenishment, compacted, replenishment, compacted, natural terrain, n.p.t., leveling concrete, n.fund, n.p.t.