The contract included reviewing the design, site supervision and advice on management and operation of an automated pneumatic municipal waste collection system in the Valdespartera development in Zaragoza for 9,687 homes. The installation consisted of 13 km of carbon steel pipes welded on site, with a diameter of 500 mm and a variable thickness of 5-22 mm, as well as construction of a dual collection station for temporary storage of the waste. It also included supervision of 70 private installations connected to the public system. Technical regulations of regulations were developed for Zaragoza city council.