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Irving Civil Engineering

Concrete Step Barriers in Modern Highways

According to Wikipedia, a concrete step barrier is a reinforced concrete traffic safety barrier commonly installed in roadway medians and along highways as an alternative to traditional steel guardrails. Its distinctive stepped cross-section is designed to redirect errant vehicles back toward the roadway while reducing the risk of vehicle rollover and crossover crashes. The barrier’s […]

Foundation Insights Through Dynamic Load Testing

According to Wikipedia, dynamic load testing is a method used in geotechnical engineering to evaluate the bearing capacity and integrity of deep foundations by applying a dynamic force to a pile and measuring its response. The process helps engineers assess how foundations will perform under load while providing information on shaft resistance, end bearing, and […]

Tapping Sleeves for Water Systems

According to Wikipedia, tapping sleeves are used in hot tapping to connect new pipes, valves, or fittings to existing pressurized water mains without shutting down service, allowing systems to remain operational during maintenance or upgrades while reducing disruptions and supporting reliable utility improvements.

Reducing I&I in Irving’s Sewer System

Cross-section diagram showing stormwater and groundwater entering a sanitary sewer pipe through cracks, joints, and a manhole illustrating inflow and infiltration

Inflow and Infiltration (I&I) occurs when stormwater or groundwater enters sanitary sewer pipes through cracks, faulty manholes, or improper connections. Excessive I&I can overload sewer systems and increase treatment costs. According to the City of Irving Water Utilities Design Standards, engineers use watertight manholes, sealed pipe joints, and proper utility separation to help minimize these unwanted flows. […]

Infrastructure Spotlight: Sewer Manholes

They may look like simple lids in the street, but sanitary sewer manholes play a critical role in Irving’s wastewater system. According to the City of Irving Water Utilities Design Standards, manholes are required at set intervals and at changes in direction or grade to allow inspection, maintenance, and cleaning of sewer mains. These structures […]