Issue 21 and Volume 68.

QUESTIONS AND ANSWERS FRED SHEPPERD Technical Editor “He that questioneth much shall learn much”-BACON NOTE—Readers of FIRE AND WATER ENGINEERING are invited to send in questions, which will be answered in the order in which they are received. Names are omitted from questions unless otherwise specified. Water Main Specifications To the Editor: We have had considerable difficulty in securing a set of specifications for the construction of water mains and in setting of hydrants and valves in the cities and towns of a population from 1,000 to 25,000. We desire a set of specifications approved by common practice which will set out the various methods of procedure of excavating for laying, bedding, jointing, caulking, testing and backfilling water mains and setting and draining hydrants. We shall greatly appreciate any printed matter you may be able to forward us in this connection, or if you have not the same available for…

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