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FIG 424

Square Manhole - Knock-down Style

Square manholes provide access to underground storage tank equipment from grade level.

Product Features

Standard Features

Knock-down style for space saving in warehouse and on service vehicle

Four equal sides with 3 slots and tabs for easy assembly at job site


Construction Details

  • Cover: 3/8” four-way steel floor plate
  • Sides: 14 gauge steel

Product Ordering Instructions

Fig Suffix Size Description Weight
424 0100 AM 24” x 24” Square Manhole 97