The Corps is proposing to use the fly ash as part of a lime slurry mixture for some kind of grouting to stabilize the levees according to the article. Environmentalists are concerned about the potential impacts of residual toxins in the fly ash. However, they are drawing comparisons to the TVA coal ash dam failure. From my perspective, this is an unfair comparison since this fly ash would be mixed with lime and in theory any toxins would be bound up in the grout matrix. But it never hurts to be cautious regarding potential contaminants that close to such an important waterway. [Source: bnd.com via ASCE SmartBrief]
U.S. Army Corps of Engineers, New Orleans District to Implement Dataforensics PLog Enterprise for Geotechnical Data Management
Norcross, GA, July 6, 2009 – The U.S. Army Corps of Engineers, New Orleans District (USACE – NO) has issued a contract to Dataforensics, a leader in geotechnical data management software development and implementation, for its PLog Enterprise software. The contract not only includes deployment of the PLog Enterprise system but expanding its capabilities to work with Oracle databases and with ArcSDE technology. [Editor] Click through for the rest of the press release. [/Editor]
The Association of State Dam Safety Officials publishes monthly news items related to levee and dam safety and associated projects. Their April news items were just published this week and there are several interesting items. Read on for more info.