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Transportation agencies put proposed sleep apnea testing to rest

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Published: Monday, 14 August 2017 10:10
Written by Concrete News

Sources: Federal Motor Carrier Safety Administration (FMCSA); CP staff

FMCSA and the Federal Railroad Administration have withdrawn a March 2016 advance notice of proposed rulemaking concerning the prevalence of moderate-to-severe obstructive sleep apnea (OSA) among individuals occupying safety-sensitive highway or rail transportation positions. The agencies believe that current safety programs and FRA’s rulemaking addressing fatigue risk management are the appropriate avenues to address OSA.

Read more: Transportation agencies put proposed sleep apnea testing to rest

Contractors track broad drop in public construction spending

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Published: Tuesday, 08 August 2017 15:17
Written by Concrete News

Source: Associated General Contractors of America, Washington, D.C.

Analyzing construction spending levels from the first half of 2017, AGC officials find significant declines in public-sector investment at a time when much of the nation’s infrastructure is deteriorating due to age or overuse.

Read more: Contractors track broad drop in public construction spending

Campbell Concrete pilots DrumBlaster mixer truck washout system

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Published: Tuesday, 08 August 2017 12:11
Written by Concrete News

Sources: DrumBlaster North America, Tampa, Fla.; CP staff

Houston-based Campbell Concrete & Materials LLC is the premier North American user of the DrumBlaster Daily Washout System. Developed in Australia, the equipment combines a narrow, elevated booth from which mixer truck drivers or station operators activate a telescoping 8- or 10-meter boom, tipped with multiple jets directing water at 300 psi to blast residual concrete from drum wall and fins. In typical plant operations, the boom is set for two three-minute passes.

Read more: Campbell Concrete pilots DrumBlaster mixer truck washout system

Standard measures drainage products’ pollutant removal capacity

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Published: Monday, 07 August 2017 09:21
Written by Concrete News

Sources: ASTM International, West Conshohocken, Pa.; CP staff

ASTM Committee C27 on Precast Concrete Products’ proposed WK52521, Standard Practice for the Performance Criteria for Storm Water Treatment Devices, will help measure the release of runoff-conveyed contaminants from streets, parking lots, and other structures into natural waterways.

Read more: Standard measures drainage products’ pollutant removal capacity

Leading forecast revises 2017 construction starts slightly downward

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Published: Monday, 07 August 2017 09:12
Written by Concrete News

Sources: ConstructConnect, Norcross, Ga.; CP staff

The Q3 2017 Forecast Quarterly Report of ConstructConnect (iSqFt, Construction Market Data, BidClerk, Construction Data source) has trimmed projected U.S. total construction starts growth for this year against 2016 from 4.8 percent to 4.5 percent, and the 2018 year-over-year gain from 6.0 percent to 5.9 percent. 

Read more: Leading forecast revises 2017 construction starts slightly downward

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