SLOP ‘TIL YOU DROP

Model Rail (UK) - - Layout -

Roy ex­plains that the build­ing just to the left of the grey static tank is where main­te­nance teams would carry out nec­es­sary hot work on wag­ons. How­ever, plac­ing a weld­ing torch near rolling stock used to trans­port highly-flammable gases and liq­uids isn’t the smartest idea. So, to pre­vent com­bus­tion, each wagon had to be emp­tied and thor­oughly cleaned be­fore­hand. “They’d pump ev­ery­thing off the wagon be­fore steam­ing it to en­sure that no flammable prod­ucts were still present. “The waste prod­uct would then go into the grey static tank [pic­tured] and pumped into a sys­tem called SLOPS.” You’ll no­tice that some of Roy’s tank wag­ons carry the SLOPS let­ter­ing. The sys­tem was used to en­sure that ex­cess prod­uct could be re­cy­cled, and not wasted.

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