STAGE ELEVATORS, PIT FENCES

47.  This Contractor shall furnish and install wire mesh railing guards around stage elevator pit between columns and to completely guard elevator openings at sub-basement level and also at basement level. This railing is to be three foot six inches (3'6") high, of one and one half (1-1/2") mesh - number ten (#10) wire.  Sections of railing to be so arranged that they will raise easily by means of balance weights. Balance weight is to be enclosed in a metal box at each end of the rail unit sections, as shown on the drawings.