The historical past of Engineering Information Document (ENR) may be traced again to 1874. This publication has its roots in two separate publications: Engineer & Surveyor and The Plumber and Sanitary Engineer. The primary subject of the Engineering Information-Document was printed on April 5, 1917. On January 1, 1987, the acronym ENR was adopted because the title of the biweekly journal. The graph beneath makes use of knowledge offered by ENR journal, which is printed 26 occasions a yr. Historic knowledge had been extracted from microfiche copies of journals obtained from the New York Public Library. ENR Journal is only one of Engineer Information Document’s choices. We encourage our readers, particularly these serious about engineering and development, to take the time to go to the ENR web site to be taught extra… https://www.enr.com/
The typical value of Aluminum Sheet in ENR 20 cities has elevated by 27.24% previously 12 months.
The typical value of light-weight concrete blocks in 20 cities elevated by 19.35% from the identical interval final yr, hitting a report excessive.
The 20-city common value for 1 1/2-inch copper water pipes has elevated 15.56% since April of final yr.
The ENR 20 metropolis common value for 36-inch corrugated metal pipe rose to a report degree of $96.34 per foot on the finish of April.
Information courtesy of Engineering Information Document
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