American Water Works Association (AWWA)

Effective June 2017:

ANSI/AWWA B550-17 Calcium Chloride

ANSI/AWWA B602-17 Copper Sulfate

ANSI/AWWA C151/A.21.51-17 Ductile-Iron Pipe, Centrifugally Cast

ANSI/AWWA C508-17 Swing-Check Valves for Waterworks Service, 2-In. Through 48-In. (50-mm Through 1,200-mm) NPS Read more...

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AASHTO Publications

The AASHTO Materials Standards contains specifications, test methods, and provisional standards commonly used in the construction of highway facilities.

The Materials Standards are produced in a web-based format and are available to purchase as a 12-month, online subscription. Current subscribers automatically receive access to all updates published during their subscription period. Read more...

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AASHTO Publications

This manual is designed to encourage consistency in crash testing and evaluation of roadside safety features. This second edition contains several significant revisions to the 2009 first edition, including a new matrix for cable barrier testing on slopes, modifications to several test vehicle dimensions, and updated test documentation requirements. Read more...

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AASHTO Publications

This document provides guidelines for establishing and administering Value Engineering programs. It is the intent of these guidelines to assist state DOTs in developing successful VE programs, to promote the acceptance and use of VE while allowing maximum flexibility to each state. Read more...

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IHS ESDU

Transition strips on wings

Use of local-flow conditions for calculation of roughness-particle height in transition strips on wings – Transonic Aerodynamics

This methodology is based on that of van Driest and Blumer, which enables the required height of roughness elements in a boundary-layer transition band to be estimated from the local boundary-layer di... Read more...

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AASHTO Publications

These specifications are intended for the design, evaluation, and rehabilitation of highway tunnels and for the design of tunnels constructed using cut-and-cover, bored, mined, and immersed tunnel construction methodologies. Provisions are not included for water conveyance, utility, transit, or rail tunnels, or shafts. Structures internal to tunnels that support roadways over ventilation... Read more...

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AASHTO Publications

These guide specifications establish minimum requirements for wind loads on bridges during construction before a deck is placed. All other aspects of the design shall be performed in accordance to the AASHTO LRFD Bridge Design Specifications or as specified by the bridge owner, as appropriate. The wind loads determined, using these specifications, are to be used for checking bridg... Read more...

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IHS ESDU

Product Announcement

ESDU has an interesting new ‘App’

IHS ESDU is excited in launching a new ‘App’ to its vast range of data capabilities – ‘Local and mean skin friction coefficients on a flat plate’

ESDU provides essential design methods and software for the aerospace, defence, transportation, energy a... Read more...

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Hartford Steam Boiler

Ultrasonic Examination in Lieu of Radiographic Examination for Sections I & VIII Division 1 & 2

Ultrasonic Examination (UT) is a permitted volumetric examination method in lieu of the required Radiographic Examination (RT) of ASME Boiler and Pressure Vessel Code, Sections I, VIII Division 1 and VIII Division 2. It is important for all three code books, the permitted... Read more...

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ASTM International

As the lifeblood of most machinery, lubricants — and the standards that guide and measure their effectiveness — support the world’s mechanized demands. By Rick Carter

It’s safe to say that the world’s engines, turbines, and many other types of machinery run on lubrication first. Without lubricants, machines could not operate — friction... Read more...

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