Engineers are finalizing design for a 17-mile-long pipeline that will deliver methane gas from a landfill in Muskego, Wis., to fuel a wastewater treatment plant in Milwaukee. The pipeline is the first step in an $80-million investment that will save the Milwaukee Metropolitan Sewerage District (MMSD) at least $148 million over the next 20 years by enabling its Jones Island plant to generate its own heat and electricity by burning landfill-generated methane instead of natural gas. In addition to saving money, the plant will also cut greenhouse-gas emissions by 500,000 tons a year. MMSD tentatively plans to seek bids from
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.