Affholder, Inc
Affholder, Inc., a subsidiary of Insituform®, uses tunneling methods to perform trenchless installations of new pipelines. Affholder also provides a wide range of trenchless pipe rehabilitation services, including pipejacking, shotcrete and sliplining, throughout North America.
Experienced Tunneling Professionals
Affholder has constructed hundreds of utility tunnels throughout North America, ranging from one to 26 feet in diameter.Our inventory of well-maintained underground equipment includes Lovat earth pressure balance tunneling machines, Robbins® hard rock tunneling machines, and an Iseki microtunneling machine. Using this sophisticated equipment, our trained crews have bored tunnels through a wide variety of subsurface conditions.
Trenchless Rehabilitation Experience
Affholder`s underground services also include the trenchless rehabilitation of deteriorating pipeline infrastructure. We have expertise in sliplining, wet mix and dry mix shotcrete rehabilitation, epoxy resin grouting and manhole rehabilitation.
Safe Work Practices
To minimize the risks inherent in underground construction, Affholder has developed one of the most comprehensive safety programs in the industry. Our on-site employees, led by a designated safety manager, are each cross-trained in all areas of jobsite safety, including tunnel rescue procedures, first aid and CPR. In many cases, we also provide specialized rescue training to personnel in the communities in which we work.
Affholder Underground Services
- New tunnel construction
- Microtunneling
- Sliplining
- Wet mix & dry mix shotcrete rehabilitation
- Epoxy resin grouting
- Manhole rehabilitation
United Pipeline
A Specialized Pipeline Contractor
Not just another pipeline rehabilitation company, United has the trained manpower, the specialized equipment, and the worldwide expertise to tackle a wide variety of pipeline rehabilitation challenges safely, on time, and on budget.
Turn-key Installations
United can provide complete turnkey pipeline rehabilitation projects that include all phases: planning, procurement, excavation, welding of flanges, pipe lining, lined fittings and hydrotesting.
Tite Liner® System
We have developed and provide the world`s leading polyethylene lining system for protecting pipelines from abrasion and corrosion. These systems can range in size from 2`` to 48`` in diameter.
Global Experience
We have constructed and internally lined over 10,000 kilometers (6,000 miles) of pipelines on five continents since 1985.
Engineering and Manufacturing
Our in-house engineering and manufacturing capabilities give us complete control over production scheduling and the quality of specialized materials and equipment.
Quality
United manufactures the specialized equipment and components to meet specifications and standards. United`s in-house design, engineering, and manufactur-ing capabilities provide complete control over quality, production scheduling, and project coordination.
Multiple Locations
With office facilities in the USA, Canada, Mexico and South America, we can respond quickly with the personnel, equipment and material resource necessary to complete projects anywhere in the world. Plans are developed and implemented to ensure that all aspects of material, manufacturing and construction methods produce a quality project.