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Proposed ASTM C09 standard tackles mix material incompatibility

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

A working document under ASTM Committee C09 on Concrete and Concrete Aggregates—ASTM WK40615, Practice for Mixing and Comparing Performance of Concrete Materials Using Mini-Mix Mortar Mixtures—enables technologists to detect and address incompatibility issues arising in mix design development.

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OSHA tightens timelines for reporting severe injuries, fatalities

Source: Occupational Safety and Health Administration

A revised rule, effective January 2015, details new deadlines for employers to notify OSHA when an employee is killed on the job or suffers a work-related hospitalization, amputation or loss of an eye, and updates the list of employers partially exempt from agency record-keeping requirements.

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Thermomass affords Meadow Burke sandwich wall technology platform

Sources: Meadow Burke LLC, Tampa, Fla.; CP staff

Major concrete accessories and hardware player Meadow Burke has acquired Boone, Iowa-based Thermomass, which offers patent-protected insulation systems for precast, tilt-up and cast-in-place walls. The deal extends a portfolio Meadow Burke expanded earlier this summer by acquiring Bowco Industries, a utility and underground-precast accessory specialist.

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