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
Downtown Akron Adopts Innovative Pivoted Turnbuckle Manhole Risers for Smoother Streets By Angus W. Stocking, L.S. Akron-based Perrin Asphalt Company is a family-owned asphalt and concrete paving firm that’s been in business for more than 50 years. The firm has always...
Cover Story
AHP risers making important inroads with quality and efficiency By Angus Stocking For most businesses, the presence of an iron means wrinkles get smoothed out. But, as we all know, the asphalt and pavement business isn’t like most. When asphalt pavements are...
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...
Cover Story
Rapid manhole risers provide flush fit every time By Angus W. Stocking The construction goal for any asphalt paved surface is a smooth rideable surface that lasts. A smooth surface reduces damage to the pavement, necessitating fewer repairs. It improves fuel...
