1 Kings 18:33

And he put the wood in order, and cut the bullock in pieces, and laid him on the wood, and said, Fill four barrels with water, and pour it on the burnt sacrifice, and on the wood.

Cross-reference

Genesis 22:9 has Abraham arranging wood on an altar for Isaac — the same action Elijah performs here.

Leviticus 1:8 prescribes the same arrangement of pieces on wood for a burnt offering — Elijah follows the ritual law.

Leviticus 1:6-8 details the priestly procedure of laying wood and pieces on the altar — Elijah’s actions follow that pattern.