• The American Society of Sanitary Engineers hired Conrad Jahrling as its staff engineering supervisor. Jahrling will review ASSE product listing (SEAL) reports and applications for technical content, coordinate the development, technical review and revision of product standards and field technical questions from manufacturers, labs, code officials and the general public.

• The American Society of Plumbing Engineers recently hired William Smith to the new position of senior director of technical and regulatory affairs. Smith will represent the interests of ASPE and the plumbing engineering community in code and standards activities. He’ll also serve as a technical resource for ASPE’s staff and membership.

Plumbing Manufacturers International recently announced its new committee chairs for the Water Efficiency and Sustainability Committee and Fair Trade Committee. Kohler’s Senior Staff Environmental Engineer Jeff Zeman was appointed PMI Committee co-chair of the Water Efficiency and Sustainability Committee and will serve alongside Danny Gleiberman of Sloan Valve.

Chip Way, director of OEM Sales for Lavelle Industries, was appointed the PMI Committee co-chair for Fair Trade Committee. He will serve with committee co-chair Ece Cokyasar-Potter of VitrA USA.

Aquatherm hired David Rosenstein as its national estimating manager for the polypropylene pressure piping company. He will launch and implement a program to help mechanical and plumbing professionals estimate initial Aquatherm installation costs and will train the company’s representatives to better understand how to use the new estimation tools.

• Westfield, Mass.-based Mestek hired Timothy A. McNeill as an application engineering manager. McNeill will work with the Mestek Boiler Group and Sterling HVAC in pre- and post-sales support.

• Decatur, Texas-based Pipeline Plastics will be expanding its high-density polyethylene pipe operations with a new manufacturing plant in west Texas. Pipeline Plastics will begin construction on a new 40,000-sq.-ft. facility on a 15-acre site in Levelland, Texas by the end of the year.

It will be the third location to open in as many years. The new plant will serve the region’s energy market, although water, sewer, irrigation, mining and industrial applications are planned for the facility.