דברי הימים ב, פרק ל״ד, פסוק י״ג

During the renovation of the Temple, a highly organized administrative and supervisory system was put into place to manage the daily operations of the project [ביאור שטיינזלץ]. The Levites stepped into these crucial leadership roles to ensure the work progressed smoothly. They were appointed as officers and managers over the laborers whose job was to load and carry the heavy burdens and building materials [מצודת דוד, מצודת ציון, מלבי״ם]. Beyond the carriers, the Levites managed the entire workforce. The primary approach among commentators is that they acted as taskmasters and supervisors over all the workers, with a dedicated manager assigned to oversee each specific type of labor [מלבי״ם]. Their responsibility went far beyond passive observation. They actively guided the craftsmen in proper techniques, encouraged them, and urged them to complete their tasks with speed and efficiency [רלב״ג].

In addition to managing the physical construction, the Levites filled three other vital roles. As scribes, they handled the project's finances. They documented the funds brought as donations to the House of God and kept careful records of how the money was collected [רש״י, מצודת דוד]. They also served as officers, though their exact jurisdiction is debated. Some explain that these officers enforced compliance and oversaw the actual execution of the building labor [רש״י]. Others suggest their role was strictly financial, acting as enforcers who made sure people actually paid the funds they had pledged to donate [מצודת דוד]. Finally, the Levites served as gatekeepers, standing guard at the Temple entrances to monitor everyone coming into the construction compound [מצודת דוד].