Manholes consist of multiple components and are made of different materials, each serving a different purpose but contributing to the complete manhole structure. Each component typically has its own set of defects and deterioration mechanisms.
There was a time when engineers designed structures to last for eternity. Since the beginning of mankind, civilizations have desired to create an enduring legacy through their architecture. Engineers from ancient civilizations such as Egypt, Greece and Rome did not build their fabulous structures and monuments with the intention of having them repaired every 50 years.
Underground Construction’s 2013 census of large horizontal directional drilling contractors is an effective tool when selecting the right size of drill rig to fit specific project needs in managing a successful HDD operation.
On the heels of the successful launch of the MPlus+ Lateral and Mini-Mainline Push System, CUES has released the new MPlus+ XL with pan and tilt (P&T) capabilities which offers the most flexible and feature packed mini-mainline push systems on the market.