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Excerpt from Fire in a Reinforced Concrete Warehouse at Far Rockaway, New York, U. S. A. (10th November, 1916): Being a Report Prepared for the National Board of Underwriter, U. S. A That restriction applied only to pure quartz gravel such as is found in the vicinity of New York City, and similar to that used in the concrete for this building. It might be added that subsequent investigations by the British Fire Prevention Committee of England upon a quartz gravel there confirmed our findings. The behaviour of the concrete in this fire appears to confirm the criticism above mentioned. Whether the oversize gravel exaggerated the effect is not known. If this explanation is correct, as evidence thus far produced seems to sanction, all concrete specifications should contain a definite warning against the use of quartz gravel in concrete liable to be exposed to high heat. Where it 15 so used, underwriters should take that fact into account when assuming the risk. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.