Source: American Society of Concrete Contractors, St. Louis
The latest ASCC position statement, “Measuring Air Content in Non-Air-Entrained Concrete,” conveys contractors’ point of view for architects, engineers, owners and others. The document explains that while air content is reported in the mix design submitted for air-entrained concrete and measured in the field for compliance, air content measurements are rarely specified or measured for non-air-entrained concrete.
Sources: U.S. Attorney’s Office, Eastern District of Virginia and U.S. District Court for the Eastern District of Virginia, Alexandria; CP staff
Universal Concrete Products Corp. and Donald Faust, Jr., president and co-owner, have agreed to pay $1 million to settle allegations that the Stowe, Pa., producer oversaw submission of falsified precast panel mix test records under a Dulles Metrorail Project Phase II, or Silver Line Extension, contract in northern Virginia.
Sources: U.S. District Court for the Eastern District of Virginia, Alexandria; CP staff
The U.S. Attorney’s Office for the Eastern District of Virginia has obtained a $700,567 judgment against Andrew Nolan, a former quality control manager for Pennsylvania-based Universal Concrete Products Corp. The fine follows an August 2018 agreement in which he pleaded guilty to conspiring to commit wire fraud by falsifying air content test results on the federally funded Dulles Metrorail Project in northern Virginia.
Source: ASTM International, West Conshohocken, Pa.
ASTM Committee C09 on Concrete and Concrete Aggregates is set to publish C1849/C1849M, Test Method for Density and Air Content (Pressure Method) of Freshly Mixed Roller-Compacted Concrete. The document will especially suit labs designing and proportioning RCC mixtures, plus quality control/assurance inspectors verifying pavement specification compliance.