The crew is filling the cores of the first course of block.  The concrete was also mixed with the same mixer, just a different mix design.  The concrete is being pumped into the walls using the GHP2500 concrete pump.

The crew is filling the cores of the first course of block.  The concrete was also mixed with the same mixer, just a different mix design.  The concrete is being pumped into the walls using the GHP2500 concrete pump. (Javier Figueroa)