An Update – And Some Advice – On the (Delayed) New Datums That Are Coming
By Richard Kleinmann, PLS Now that we’ve crossed over into the year 2022, many members of the geospatial may feel like they’ve just dodged a collective bullet while the rest of us might be thinking, “What bullet is that?” I’m talking about the proverbial “carpet” under your feet shifting a couple of feet both horizontally and vertically in some areas of… Read More »
Tags: datums, Geospatial, National Geodetic Survey, National Spatial Reference System, NGS, NSRS
How to Cure Concrete in Cold Conditions
By Pete Haug, PE, and Todd Rudolph, PE In any process where water is involved, crossing the freezing mark can be a deal breaker. That is the case for curing concrete, which needs to happen above freezing. Failure to adhere to this rule will result in curing that takes significantly longer – and possibly concrete… Read More »
Tags: Cold Weather Protection Plan, Cold-weather Concrete Work, Concrete, Curing Concrete, Dam Repair, Hydraulic Engineering Design, Water Resources
How Do Diverging Diamond Interchanges Work? Simply. Safely. Efficiently.
For over a decade, diverging diamond interchanges (DDI) have been efficiently moving traffic throughout the United States. Read More »
