DOT Advisory Board guides FRP reinforcement certification

Sources: Regulatory Resources LLC, Westfield, Ind.; CP staff Engineering and construction consultancy Regulatory Resources, along with the DOT Advisory Board it administers, have created an auditing program to certify the quality of structural concrete-grade fiber reinforced polymers (FRPs). Scheduled for early-2022 release, their FRP Quality Control Manual will serve as a guidance document for an auditing program currently under American…

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Transportation groups see nearly one-third drop in state DOT budgets

Sources: Highway Materials Group, American Association of State Highway and Transportation Officials, Washington, D.C.

The 11-member Highway Materials Group has requested that U.S. House and Senate leadership consider granting immediate use of nearly $50 billion in flexible federal funding to offset revenue shortfalls constraining state department of transportation budgets.

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ASTM C27 aligns new precast standard with AASHTO LRFD specs

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

ASTM Committee C27 on Precast Concrete Products is set to publish a standard (C1889) for designing drainage and utility infrastructure. The document essentially codifies requirements for precast structures from American Association of State Highway and Transportation Officials load and resistance factor design (LRFD) specifications, and also addresses soil, hydrostatic, surcharge plus other loads.

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Precast producers equal to FHWA, AASHTO safety hardware criteria

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The National Precast Concrete Association reminds producers of barrier and temporary work zone devices of a year-end deadline for having such products tested according to criteria the Federal Highway Administration and American Association of State Highway and Transportation Officials established in a 2016 agreement. New requirements cover a) bridge rails, transitions, all other longitudinal barriers, including portable models installed permanently; and, b) portable barriers and other temporary work zone devices.

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Past IowaDOT, AASHTO chief Trombino to head FHWA

Sources: White House Briefing Room; McClure Engineering Co., Clive, Iowa; CP staff

President Donald Trump will nominate Paul Trombino III, P.E., to be administrator of the Federal Highway Administration. He is set to transition to the agency from Iowa-based McClure Engineering Co., a nine-office transportation and environmental firm for which he has served as president since January 2017.

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Performance underpins AASHTO provisional standard for pavement mixtures

Sources: National Ready Mixed Concrete Association, Silver Spring, Md.; American Association of State Highway and Transportation Officials, Washington, D.C.; CP staff

Iowa State University-hosted National Concrete Pavement Technology Center and research partners have secured AASHTO Subcommittee on Materials approval of “Performance Engineered Mixtures for Concrete Pavements,” a provisional standard offering alternatives to prescriptive specifications. Transportation agencies and industry stakeholders will join a five-year Federal Highway Administration pooled-fund program to implement concepts in the standard.

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The Construction Materials group of RJ Lee Group in Monroeville, Pa., has been accredited by the American Association of State Highway and Transportation Officials for demonstrated testing proficiency. Accredited laboratories must have a quality management system that meets AASHTO criteria and guidelines for “establishing and implementing a quality management system for use by a construction materials laboratory.”

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FHWA, AASHTO gauge real-time concrete pavement quality

Source: Transtec Group, Austin, Texas

In an effort to reduce costs, increase pavement quality, and minimize travel delays caused by road construction, the Federal Highway Administration, American Association of State Highway and Transportation Officials (AASHTO), and Transportation Research Board will help agencies implement a tool that allows contractors to identify concrete pavement surface irregularities during construction.

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AASHTO weighs Technology Implementation Group candidate products, concepts

The American Association of State Highway and Transportation Officials Technology Implementation Group (TIG) is reviewing product, material and equipment candidates for the TIG Lead State Team and Peer-to-Peer deployment model. The AASHTO Standing Committee on Highways established TIG to champion best practices among state and local agencies and industry partners to improve the nation’s transportation system.

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