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ARM to Hold Meetings in Duluth |
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The next meeting of the ARM Board of Directors will be held July 12, 2005 at The Inn on Lake Superior in Duluth. The Board meeting will be followed by a Regional Membership meeting and a Lake Superior harbor dinner cruise aboard the Vista Star. |
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| Case Specific Beneficial Use Determination Granted | |||||||||||||||||
| The Minnesota Pollution Control Agency (MPCA) issued a case specific beneficial use determination (CSBUD) on June 7th that authorizes the Aggregate and Ready Mix Association of Minnesota (ARM), and its members, to use coal fly ash as an ingredient in a Controlled Low Strength Material (CLSM), otherwise known as flowable fill, under the conditions set forth in the CSBUD. CLSM can be produced with or without coal ash. However, this CSBUD only applies to CLSM that has been amended with coal fly ash. CLSM is further defined consistent with American Concrete Institute (ACI) 116R as having a compressive strength of 1,200 pounds per square inch (psi) or less. Therefore, concretes in excess of 1,200 psi are defined as “high strength concrete.” Under Minn. R. 7035.2860, the MPCA has the authority to issue a CSBUD when it has determined that the use of a material classified as a solid waste is a beneficial use. CLICK HERE TO VIEW CSBUD IN ITS ENTIRITY |
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ARM Members Help with Aggregate Production Classes |
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On April 27-28 and again on May 4-5, seven ARM members helped with the instruction of two Aggregate Production Classes. Doug Scrivens (Windom Ready Mix), Dan Bokinskie (Martin Marietta Aggregates), Jim Ford (Bauerly Companies), Al Riedl (AVR, Inc./AME Group), Dallas Miner (Cemstone Products Co.), Mark Lukkarila (Cemstone Products Co.) and Nate Kehoe (Aggregate Industries) all gave of their time to make the classes successful. ARM thanks them (and their employers) for their assistance! |
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| Durability Web Site Launched by the Portland Cement Association | |||||||||||||||||
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Durability is the ability of concrete to resist weathering action, chemical attack, and abrasion while maintaining its desired engineering properties. Different concretes require different degrees of durability depending on the exposure environment and the properties desired. Concrete ingredients, their proportioning, interactions between them, placing and curing practices, and the service environment determine the ultimate durability and life of the concrete. |
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| NSSGA HAILS HOUSE PASSAGE OF GEOLOGIC MAPPING BILL | |||||||||||||||||
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With the passage of H.R. 2362, the National Geologic Mapping Reauthorization Act of 2005 on June 27 by the U.S. House of Representatives, the nation's ability to identify geological resources for future use by coming generations of Americans moved a step closer to realization. |
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| Rain Garden Tour: July 12, 2005 | |||||||||||||||||
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For those ARM members not attending the ARM Board of Directors Meeting in Duluth, the Minnehaha Creek Watershed District (MCWD) is hosting a rain garden and porous pavement tour on Tuesday, July 12, 2005. |
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NRMCA Plans North Central Regional Work Plan Meeting |
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Save the date of Friday, November 18, 2005 to attend the next North Central Regional Work Plan Meeting from 8am 12 noon in Minneapolis, MN. All ARM members are encouraged to attend this meeting. |
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12300 Dupont Avenue South Burnsville, MN 55337
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