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Vulcan flattens management structure entering 2015

Source: Vulcan Materials Co., Birmingham, Ala.

A new Vulcan organizational structure places key leaders over one single- and six multi-state operating divisions: Western, California businesses; Mountain West, Arizona and New Mexico; Southwest, Texas and Oklahoma; Central, Arkansas, Tennessee, Kentucky and Illinois; Mideast, North Carolina, Virginia, Maryland, Pennsylvania and Delaware; Southern and Gulf Coast, Alabama, Mississippi and Louisiana; and, Southeast, Florida, Georgia and South Carolina.

Read more: Vulcan flattens management structure entering 2015

Heldenfels, robust-home specialist peg ‘Win-Wind’ solution for hurricane extremes

Sources: Heldenfels Enterprises Inc. (HEI), San Marcos, Texas; and CP staff

In alliance with HEI Building Systems Division, Coastal Fortified Homes (CFH) has designed a carbon fiber-reinforced precast concrete wall system to withstand Category 5 hurricane exposure (winds > 157 mph) and attendant flooding or storm surge. The system premiers at a development of eight 1,600-sq.-ft. properties in Port Aransas, Texas, located between San Jose and Padre Islands.

Read more: Heldenfels, robust-home specialist peg ‘Win-Wind’ solution for hurricane extremes

ASCE brings technical edge to EPA Green Infrastructure Collaboration

Sources: Environmental Protection Agency; CP staff

EPA has teamed with companion agencies, American Society of Civil Engineers, American Society of Landscape Architects, plus downstream stakeholder organizations to form a network advancing green stormwater management, water conservation and pollution control measures.  

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Kansas, Texas deals bring Summit Materials 12 ready mixed plants

Sources: Summit Materials Inc., Denver; CP staff

Summit Materials has significantly boosted its Kansas ready mixed production capacity, acquiring Concrete Supply of Topeka/Builders Choice Concrete, while also extending its Houston presence by closing on Southwest Ready Mix and Colorado County Sand & Gravel.

Read more: Kansas, Texas deals bring Summit Materials 12 ready mixed plants

SCM dosage, w/cm limits lead producer beefs with prescriptive mix designs

Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; CP staff

A survey on prescriptive mix designs reveals requirements NRMCA Research and Engineering Standards Committee members find most onerous: maximum water/cementitious material ratio when not applicable, minimum cementitious material content, plus restrictions on supplementary cementitious material dosages, aggregate characteristics like grading, and SCM type (i.e., Class F fly ash only) or characteristics.

Read more: SCM dosage, w/cm limits lead producer beefs with prescriptive mix designs