Tag: River Engineering

River Hydraulics in Steep Canyon Environments

This is a view of US 34 within the Big Thompson Canyon during the final repair phase in late 2017. By John Hunt, PE; Will deRosset, PE, CFM; and Anthony Alvarado, PE, CFM The September 2013 flood in Colorado devastated the northern Front Range, causing widespread damage to critical infrastructure and transportation networks. Hundreds of… Read More »

HEC-RAS Software: How Math Mitigates Flooding

In this City of Loveland, Colorado, map, the red line shows the HEC-RAS modeled 100-year floodplain that Ayres Associates completed in 2005. The yellow line shows the extents of the 2013 major flood, as measured by the City of Loveland. By John Hunt, Senior Hydraulic Engineer When it comes to 1-dimensional open-channel hydraulic analysis, the… Read More »

Mobile Devices, Fieldwork Apps, and Gear Lighten Engineers’ Load

By Dusty Robinson The advent of smartphones, tablets, and bluetooth GPS units has decidedly altered the way engineers, surveyors, and technicians conduct their business when out in the field. Before this new era, collecting data in the field (whether that be survey, construction plan review, construction observation, site assessments, or any other number of fieldwork… Read More »