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A new ASTM International specification recently approved by Committee F17 on Plastic Piping Systems standardizes improved technology in polyethylene resins that exhibit higher-temperature long-term strength rating for pressure piping applications. The new standard, F 2623 , Specification for Polyethylene of Raised Temperature (PE-RT) SDR 9 Tubing, is under the jurisdiction of Subcommittee F17.26…
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Two new standards have recently been approved by ASTM International Committee D04 on Road and Paving Materials. The standards, both of which are under the jurisdiction of Subcommittee D04.26 on Fundamental/Mechanistic Tests, are D 6931 , Test Method for Indirect Tensile (IDT) Strength of Bituminous Mixtures, and D 7312 , Test Method for Determining the Permanent Shear Strain and Complex Shear…, ASTM D 6931, Test Method for Indirect Tensile (IDT) Strength of Bituminous Mixtures, The withdrawal of D 4123 , Test Method for Indirect Tension Test for Resilient Modulus of Bituminous Mixtures, led to the development of D 6931 , since D 4123 contained a description of an indirect tensile strength test that was referred to in several other standards. It was decided to develop this test into a completely separate standard, D 6931, to stand on its own merit as a method that…, ASTM D 7312, Test Method for Determining the Permanent Shear Strain and Complex Shear Modulus of Asphalt Mixtures Using the Superpave Shear Tester (SST), According to Rebecca McDaniel, technical director, North Central Superpave Center, and leader of the D 7312 task group, Superpave is a system for designing asphalt mixtures to ensure that the right asphalt binder and aggregate structure is used for the traffic and climate where it will be placed on the road. To facilitate the implementation of Superpave, the Federal Highway Administration…
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ASTM International Committee F17 on Plastic Piping Systems has recently approved a new standard based on two important documents originally developed by the Plastics Pipe Institute in the mid-1990s. The new ASTM standard, F 2620 , Practice for Heat Fusion Joining of Polyethylene Pipe and Fittings, is under the jurisdiction of Subcommittee F17.20 on Joining. According to Jim Craig, industry…
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ASTM International Committee F41 on Unmanned Undersea Vehicle Systems invites all interested parties to participate in a new task group, F41.90.01 on Unmanned Surface Vehicles. With the addition of this new task group, the name of Committee F41 will be changed to Unmanned Maritime Systems. Task Group F41.90.01 is seeking new members with expertise in unmanned surface vehicles to complement the…
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Municipalities, specifying engineers and piping system owners are now requiring tighter criteria for piping products. ASTM International Committee F17 on Plastic Piping Systems has responded by developing two new standards that answer the call for more detailed criteria within the industry. Both of the new standards, F 2487 , Practice for Infiltration and Exfiltration Acceptance Testing of…
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ASTM International Committee F17 on Plastic Piping Systems has recently approved a new standard and is currently working on two proposed new standards. The following describes these standards activities., Plastic Piping Systems Committee Completes Latest Standard in Polyamide-11 Series, The use of polyamide-11 (PA-11) thermoplastic pipe to distribute natural gas at pressures up to 200 psig can provide gas distribution companies with a safer, cost-effective option to using steel piping for this application. In order to facilitate the use of PA-11 piping, ASTM International Committee F17 on Plastic Piping Systems has developed a new standard, F 2600 , Specification for…, Proposed ASTM Excess Flow Valve Standard Will Provide Home Protection, Excess flow valves are important safety devices that can protect homes from unattended pipe disconnections and ruptures. A proposed new ASTM International standard, WK12961 , Specification for Excess Flow Valves for Fuel Gas Systems, will cover minimum requirements for excess flow valves that are used in low-pressure applications downstream of a gas utility meter. Current standard F 2138 ,…, Polyethylene Pipe Butt Fusion Standard Under Development by ASTM Plastic Piping Committee, A proposed new ASTM International standard will be useful to gas companies, utilities and pipe manufacturers in qualifying parameters and procedures for new polyethylene pipe material, as well as existing material. The proposed standard, WK12986 , Test Methods for Qualifying Polyethylene Pipe Butt Fusion Joining Parameters and Procedures, is being developed by Subcommittee F17.40 on Test Methods…
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Determining the pressure rating for PVC plastic pipe is a relatively straightforward process because pipe is a cylinder with a uniform wall thickness. However, establishing a pressure rating for PVC fittings is a more complex process, chiefly because there are many sizes, patterns and variations among manufacturers involved. A new ASTM International standard, F 2261 , Test Method for Pressure…
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A new ASTM International standard will provide paving contactors and producers with instructions for preparing cold mix asphalt samples for testing. The standard, D 7229 , Test Method for Preparation and Determination of the Bulk Specific Gravity of Dense-Graded Cold Mix Asphalt (CMA) Specimens by Means of the Superpave Gyratory Compactor, was developed by Subcommittee D04.27 on Cold Mix Asphalts…
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Keeping pipes properly connected is clearly an important aspect of any sewer maintenance system. A new ASTM International standard, F 2561 , Practice for Rehabilitation of a Sewer Service Lateral and Its Connection to the Main Using a One-Piece Main and Lateral Cured-in-Place Liner, has been developed that makes the process of keeping sewer pipelines connected more effective. Practice F 2561 is…
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, New ASTM Committee to Develop Standards That Will Facilitate New System Designs and Industry Growth, ASTM International, one of the largest voluntary standards development organizations (SDOs) in the world, today announced the formation of ASTM Committee F41 on Unmanned Undersea Vehicle (UUV) Systems. This important standards initiative was driven by the cooperative efforts of the United States Navy and UUV industry stakeholders to facilitate new UUV system designs and enable next-generation…, Critical Role in Oceanographic Research, Commercial and Military Applications, UUVs have a notable history dating back to the early 1980s. Early systems built on their manned submersible predecessors and helped transform oceanographic research during the decade. Used by the academic community in notable deep-sea expeditions, such as the discovery and exploration of the wreck of the Titanic, UUVs have played a critical role in ocean surveying, environmental monitoring, and…, UUV Growth and Evolution: ASTM Standards Will Help Lead the Way, Todays UUV industry includes two classes of systems: remotely operated vehicles (ROVs), which are attached to a mother-ship by a long cable; and autonomous underwater vehicles (AUVs), which operate without a tether. To better meet the challenges of emerging applications, existing UUV systems must evolve with new technology. Specific areas of need include greater interoperability among…, Fast and Efficient Standards Development Through the ASTM Process, Led by the Association for Unmanned Vehicle Systems International (AUVSI), the premier trade association for the unmanned systems industry, UUV stakeholders selected ASTM International as the SDO best suited for the development of new international industry standards. With a proven consensus process and state-of-the-art standards development infrastructure, ASTM International was best positioned…, Public/Private Sector Collaboration under the ASTM Umbrella, ASTM Committee F41 is another example of the long-standing partnership between the public and private sectors in developing consensus standards under the ASTM International process. F41 brings together technical experts from the UUV industry, federal government, trade associations and academia to develop voluntary consensus standards pertaining to UUV design, safety and performance including…