Model # 60S
This staircase is a 60 inch diameter spiral with
30 degree treads, with wooden handrail and treads. The
handrail is # 237 (2 3/4" x 2 3/8") molded oak,
balusters are a # 326 (hammer forged) 5/8" round tapered
to a collar in the center. The stair has four balusters
per tread, spaced less than 4" apart to meet standard
UBC code. Treads are # 120 (12
gauge) pan type with wood overlay of # 145 (1" thick)
with a 2 inch rubber nose insert. The landing is a 90
degree circular pan type with a wood overlay and 2"
rubber nose insert with guard rail to match the staircase.
The center column is a 3 1/2 inch ID schedule 40 round
pipe. The stair has a white oxide primer finish with
finish paint by others.
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