Chicago : Engineering and Contracting Pub. Co. · leaf 54
TING 39 Before the final release of the work, allconcrete sidewalks will be carefully inspectedand sounded for defects, and any hollow orotherwise defective blocks shall be cut out andreplaced by the contractor at his own expense.Relaying of top course only will not be per-mitted. No concrete… … A/iey Margin* CONCRETE GUTTERS. The materiasl for the concrete base andthe cement wearing surface shall be as speci-fied herein for Concrete Sidewalks. When (Asphait Joint /2\videj ex tending through(surface and base
Buildings
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