After them Zadok the son of Immer repaired opposite his own house. After him Shemaiah the son of Shecaniah, the keeper of the East Gate, repaired.
The best way to know how to divide this chapter is to observe how the work was divided among the undertakers, that every one might know what he had to do, and mind it accordingly with a holy emulation, and desire to excel, yet without any contention, animosity, or separate interest. No strife appears among them but which should do most for the public good.
Commenting on Nehemiah 3:1-32
After him repaired Malchiah, the goldsmith's son,.... Or the son of Tzoreph, as some, so called from his business: unto the place of the Nethinims, and of the merchants; he repaired up to the place where these dwelt: over against the gate Miphkad; where some think was an house of visitation or correction; and others, where the sanhedrim sat, tried causes, and exercised justice: and...
Neh 3:29 Zadok ben Immer (Ezr 2:37) was probably the head of the priestly order of Immer. Shemaiah the son of Shecaniah, the keeper of the east gate, can hardly be the same as the Shemaiah of the sons of Shecaniah entered among the descendants of David in 1Ch 3:22.