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ASTM steel committee weighs standard on galvanized post tensioning strand

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

ASTM Committee A01 on Steel, Stainless Steel and Related Alloys (A01) is eyeing a standard aimed at improving durability of strand used in (PT) post tension or bridge stay cable applications, principally through galvanized-product test methods. The proposed document would help gauge corrosion potential and a structure’s durability throughout its life cycle.

Read more: ASTM steel committee weighs standard on galvanized post tensioning strand

OSHA sets 30-day interim for revised silica rule compliance assistance

Source: Occupational Safety and Health Administration

OSHA has outlined initial enforcement protocol of its revised standard, Respirable Crystalline Silica Standard for General Industry and Maritime, most provisions of which become enforceable on June 23. The standard establishes a new eight-hour time-weighted average permissible exposure limit and action level, plus associated ancillary requirements.

Read more: OSHA sets 30-day interim for revised silica rule compliance assistance

LCA, nanotech projects top ACI Foundation research funding round

Sources: American Concrete Institute Foundation, Farmington Hills, Mich.

The ACI Foundation Concrete Research Council will fund a record eight research projects this year, its budget buoyed by a one-time, $500,000 commitment the American Concrete Institute to address the industry’s growing need for such technical support. The projects are:

Read more: LCA, nanotech projects top ACI Foundation research funding round

Scancem veteran takes top post at Granite Construction

Sources: Granite Construction, Watsonville, Calif.; CP staff

Heavy/civil contractor and regional construction materials producer Granite Construction has named Claes Bjork as chairman and director, succeeding the retiring William Powell. Bjork served as chief executive officer of construction giant Skanska AB, Sweden, from 1997-2002, and had held various executive positions within the company beforehand, including chairman of the Scancem Cement subsidiary.

Read more: Scancem veteran takes top post at Granite Construction

Charah raises $88 million in initial public offering

Sources: Charah Solutions Inc., Louisville, Ky.; Renaissance Capital, Greenwich, Conn.; CP staff

Fly ash marketer and coal combustion byproducts management specialist Charah has begun trading on New York Stock Exchange under the symbol, CHRA. In a June 14 initial public offering, the company and key stockholders raised $88 million through the sale of 5,294,117 and 2,058,824 shares, respectively. The pool represents an approximately 23 percent stake in a business that reported 2017 sales of $430 million from two segments: Environmental Solutions, anchored by fly ash and bottom ash management and marketing contracts at coal-fired power stations; and, Maintenance and Technical Services, geared to fossil fuel- and nuclear-powered facility operators. 

Read more: Charah raises $88 million in initial public offering