COVER STORY | ADVERTORIAL
UP TO THE CHALLENGE
AHP risers making important inroads with quality and efficiency
By Angus Stocking
Pivoted Turnbuckle Riser Installation
F or 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 overlayed , the so-called “ iron ” in the street — manhole rings , valve boxes , drain inlets , etc . — must be raised to the grade of the new pavement surface around it . This is a costly and disruptive activity as it requires a second lane closure and work effort , often involving specialty subcontractors who must locate the iron , jack-hammer out the overlay and the old pavement around it , and then raise and anchor the iron to match the new surface elevation . If the use of iron in the street is extensive , you can expect the cost of even a simple overlay project to greatly increase . If only there were a way around all this extra work and traffic disruption . Fortunately , there is ! Many agencies have discovered the efficiency and cost savings of using risers from American Highway Products , which extend the old casting up to the desired elevation . The risers are simply placed inside the old ring or box , and they accept the old iron cover . The risers come in many riser-height increments and many different diameters and lid thicknesses . There ’ s even an inclined manhole riser that allows for matching new cross-slope created by the overlay .
Convincing Columbus
DePuy Paving has been paving in the Columbus , OH region since 1967 . Throughout that time , the company has adopted useful innovations whenever it has learned better ways of doing things ; that ’ s what happened in 2022 when it stopped using cast iron rings to raise manholes to grade after paving and instead
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