AWWA standard for cement-mortar protective lining and by American Water Works Association.; American National
By American Water Works Association.; American National Standards Institute
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Additional resources for AWWA standard for cement-mortar protective lining and coating for steel water pipe : 4 in. and larger-- shop applied
3 Placement temperature. Placement temperature shall conform to the provisions of Sec. 3. 4 Support. Support shall conform to the provisions of Sec. 4. 5 Interrupted placement. Interrupted placement shall conform to the provisions of Sec. 5, except that the cement–mortar application shall conform to the provisions of Sec. 1. 7 Coating of specials. 1 Reinforcement. The reinforcement shall conform to the provisions of Sec. 1, except that the reinforcement shall be applied over the 3/8-in. 5-mm) thick first layer of cement mortar.
No cylinder test result shall be less than 80 percent of the specified strength. Sec. 2 Testing Cement Mortar for Coatings --`,,`,,`,`````,````,`,`,,``,,,-`-`,,`,,`,`,,`--- Samples of cured cement–mortar coating shall be taken for making absorption tests according to Sec. 1. 1 Absorption testing. A water-absorption test shall be performed on samples of cured cement–mortar coating taken from each shift. The cement–mortar coating samples shall have been cured in the same manner as the pipe. A test value shall consist of the average of a minimum of three samples taken on the same day from the same work shift.
Test cylinders shall be tested in accordance with ASTM C39 by an approved testing laboratory unless the manufacturer has approved testing facilities at the work site. In this event, the tests shall be made by the manufacturer. Certified test reports shall be submitted by the manufacturer if required by the purchaser. Additional testing shall be specified by the purchaser. Copyright American Water Works Association Provided by IHS under license with AWWA No reproduction or networking permitted without license from IHS Licensee=Earth Tech Inc/5906698001, User=Yanez, Simon Copyright © 2008 American Water Works Rights Not for Association.