Cover Story
Milwaukee Makes Adjustable Manhole Risers the New Standard When infrastructure fails, it’s often in the details. In Milwaukee, city engineers identified a recurring issue with conventional cast iron manhole risers—occasional slippage or dislodgment that resulted in...
Cover Story
AHP manhole risers help New York town make needed changes By Angus Stocking Clarkstown, NY, is a town of 84,000 residents located roughly 30 miles north of Brooklyn. According to census data, the town’s median household income is more than $118,000, so it would be...
