Ventilation Requirements for EV in Multi-Family and Mixed-Use Construction
By Anthony Basden, PE, LEED AP BD+C It’s been over a year since California’s Air Resources Board approved a rule requiring 100% of cars and light trucks in California to have zero emissions by 2035. Since then, Maryland, Massachusetts, New Jersey, Oregon, and Washington have adopted similar rules prohibiting gas-powered vehicles in 2035. About the… Read More »
Drones Can Handle Cost-effective Volume Estimates
By Paul Crocker If you have ever had to order topsoil or mulch for a yard improvement project, you understand the difficulty of accurately estimating the volume of an irregularly shaped pile of material. Counties and municipalities often need to estimate the volume of their stockpiles of sand, salt, or gravel. About the Expert: Paul… Read More »
Tags: Drones, Geospatial Services, LiDAR, Survey, UAS
What Is Bridge Scour? Why Should You Care?
The most common cause of bridge failures is from floods scouring bed material surrounding bridge foundations. What is scour? Simply put, scour is the engineering term for the erosion of soil surrounding a bridge foundation (piers and abutments). Bridge scour occurs when fast-moving water around a bridge removes sediment from… Read More »
Tags: Bridge Failure, Bridge Foundations, Bridge Inspection, Bridge Scour, Federal Highway Administration, Hydraulic Studies, National Highway Institute, National Highway System