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EFCO offers formwork and shoring solutions for all types of concrete construction projects. [1] EFCO, formerly known as Economy Forms Corporation, is headquartered in Des Moines, Iowa, and currently has operations in 12 countries and manufacturing facilities in both Des Moines, Iowa, and Georgetown, Ontario, Canada. [2]
1901 – Symons founded [15] 1924 – Dayton Sure Grip & Shore founded [10] 1982 – Superior Concrete Accessories acquired – company name changed to Dayton Superior Corporation [12] 1995 – Acquired Dur-O-Wal, Inc. (masonry) [10] 1996 – Acquired Steel Structures, Inc. (paving) [18] 1996 – IPO – Shares traded on the New York Stock Exchange
The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...
Landforms of York County, Maine (3 C, 7 P) This page was last edited on 4 July 2014, at 16:54 (UTC). Text is available under the Creative Commons ...
This page was last edited on 23 December 2013, at 04:24 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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In 2003, Maine voters rejected a proposal to build a $650 million casino in South Sanford. The 362-acre (1.46 km 2 ) development, ostensibly owned by the Penobscot and Passamaquoddy nations, would have included 4,000 slot machines , 180 gaming tables, a hotel, a 60,000-square-foot (5,600 m 2 ) convention center and an 18-hole golf course .
Spectacular accidents have occurred when the forms were either removed too soon or had been under-designed to carry the load imposed by the weight of the uncured concrete. "Form blowouts" also occur when under-designed formwork bends or breaks during the concrete pour (especially if filled with a high-pressure concrete pump). Consequences can ...