Chicago : Engineering and Contracting Pub. Co. · leaf 442
d bythe contractor. The tie rod and sleeve nutwere a decided improvement over the timberbrace, and the continuous sheeting on theface of the wall gave a smoother and truersurface than was obtained with the panel. The greatest objection to these forms, aswell as to most all forms, is the cost… … EnglContg Section A A Fig. 5—Forms for Guide Wall Curtain. would have been required to move the lumberfrom place to place. The cost of forms for work at Lock No.21, as given below, seems to be high, but itshould be remembered that this includes thecost of all labor and material for erection…
Buildings
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