Illinois Society of Architects · Chicago · leaf 235
t less than three piles to be driven foreach test. The pile to be loaded to bedriven first, the second pile to be drivenwithin six hours of the driving of the first,the third pile to be driven within twenty totwenty-four hours after the first. The twolatter shall each be driven with centers notto… … (A) Steel and iron rails nnd beams to be Im-bcddod in concrete, •extending not less than 4 incheslieyonil mot.il. (See Special Ruling- V, Page 313.) 234 been cast and set up before driving may betested as soon as practicable after driving.The piles sliall be loaded with twice theproposed carrying…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
