The railcars are inerted with nitrogen
to a pressure of 40 psig, and the railcar relief system has a set pressure of 75 psig. The unloading
operating instructions are written and have been reviewed by the corporate technical staff.
A reactive chemicals review has already been completed on the proposed facility. Combustible gas
detectors will be located at the unloading station. A deluge system will be installed at the unloading
site with an excellent water supply. A diking system will surround three sides of the facility, with
any spills directed to a covered impounding area.
Determine the Dow F&EI for this operation, and determine the minimum spacing from adjacent
units.
Solution