What is groutin construction?

No. On most commercial jobs you grout only the cells containing vertical reinforcing, anchor bolts, or embedded items, at spacings like 24 in, 32 in, or 48 in on center, plus bond beams and lintels. Solid grouting of every cell shows up below grade, in retaining walls, in high seismic zones, and wherever the structural notes require it. The grouting schedule and general notes govern, so read them before you quantify.

Both are covered by ASTM C476. Fine grout is cement, sand, and water, while coarse grout adds pea gravel up to 3/8 in. Code tables tie the choice to the size of the grout space and the pour height, since coarse grout needs more room to flow around rebar. Coarse grout typically costs a bit less per cubic yard, so use it where the cells allow.

Low lift grouting fills the wall in pours of roughly 5 ft or less as the courses go up, with no cleanouts required. High lift grouting builds the wall to full height first, then grouts through cleanout openings at the base of each grouted cell. The grout volume is identical either way, but labor, pump time, and cleanout work differ, so the placement method belongs in your unit cost, not just the material price.