May 2019

Columns

Project Management: Check installation of the tray column before box-up

To push the project schedule, plant owners sometimes proceed the boxing up of columns without approval of the tray designer.

Dixit, P., Consulting Engineer

To push the project schedule, plant owners sometimes proceed the boxing up of columns without approval of the tray designer. This article highlights some common errors and omissions in tray columns that could have been easily noticed by a tray designer had they been included in the checking process. It also provides a checklist of important dimensions to be recorded before column box-up. After column erection, the installation of trays is conducted by the site team. For large-scale process plants, it is customary for the tray designer to provide training to the field construction/installation workers (if they are not already trained), as well as provide a checklist that includes examination

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