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’s a pipeline installation boom under way in South Texas, yet despite the promising outlook for steady work, contractors are still struggling with challenges -- many of which are situations they’ve faced before.
A photo shows an empty “room” with gleaming white walls and ceiling, perhaps part of a new laboratory facility? Perhaps a dust-free space in a manufacturing plant? Or will it be an environmentally-controlled storage area?
In a part of the country where rocky soils make underground construction difficult, Maine contractor Enterprise Trenchless Technologies, Inc. (ETTI) has built a solid reputation for successfully completing challenging horizontal directional drilling installations, many beneath bodies of water.