Trenchless vs. Open-Cut Construction in Municipal Tenders: How to Specify the Right Method

Key Takeaways  • Open-cut per-foot installation cost is often lower, but total project cost frequently favours trenchless once restoration, traffic control, and excess soil management are factored in. • Ontario’s O. Reg. 213/91 imposes escalating safety requirements for open-cut excavations beyond 1.2 metres deep, including shoring, engineered support systems, and professional engineer involvement at 6 metres.•… Continue reading Trenchless vs. Open-Cut Construction in Municipal Tenders: How to Specify the Right Method

How Horizontal Directional Drilling Works: The 3-Stage HDD Process

Key Takeaways • Horizontal directional drilling (HDD) installs underground utilities in three stages: pilot bore, reaming, and pullback. Each stage serves a distinct function and requires different equipment configurations. • The pilot bore is steered using a sonde transmitter tracked by a walkover locating system, allowing the operator to navigate around existing utilities and maintain the designed… Continue reading How Horizontal Directional Drilling Works: The 3-Stage HDD Process