Chicago : Engineering and Contracting Pub. Co. · leaf 575
t of watertight steel forms and noother precaution was taken to make the workwaterproof. It is felt by those having thework in hand, that the success of this tankis due to the use of tight steel forms whichretain in the concrete the fine particles ofcement that might escape where wooden formsare… … View Showing Abutment Tower and 1,000-Ft. Steel Arch for New York Connecting Rail-way Bridge Over Hell Gate Channel. East River. and thus more impermeable t» water. The v\alls and lloor arc sometimes coated with al:l cement mortar or some waterproofingprepaition of which (here are n number onthe…
Buildings
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