The underground is the most complex
construction environment imaginable.

LEARN MORE >>

The Total Package

With a wide range of in-house capabilities, Moretrench’s Tampa office can provide turnkey services for large industrial projects.  For a West Central Florida power plant, this included site dewatering, installation of several thousand feet of large-diameter pressure pipe, precast electrical trench installation, storm drainage, dredging, grading, construction of asphalt roads pavement, rock surfacing and grass restoration.  Pipeline alignment crossings beneath active high voltage transmission lines and a natural gas line added to the challenge.

 

Ash Dewatering at Work

At a power station in the mid-Atlantic region, fly ash, bottom ash and boiler slag from discontinued coal-fired operations is stored in five surface impoundments, some of which date back to the mid-1950s.  Acting in compliance with current environmental regulations, the owner is moving ahead with plans to consolidate the four smaller impoundments, which are unlined, into the fifth and largest of the ponds, which will ultimately be capped.  In the first phase of the consolidation work, Moretrench was contracted by the General Contractor to dewater a 37-acre pond.

Fraser River Deep Freeze

Mining of Metro Vancouver’s new Port Mann Water Main beneath the Fraser River was well underway and the TBM was approximately 650 ft from the north bank exit shaft when an unanticipated mechanical failure occurred in the cutter head, halting mining operations.  Fast-acting liquid nitrogen ground freezing  proved to be the best solution to allow safe access for inspection and repair.

 

South American Deep Freeze

When all previous efforts failed to halt soil and water ingress into a deep shaft under construction in Buenos Aires Province, Argentina,  Moretrench was called in to provide a ground freezing solution that successfully resolved the issues, allowing excavation to continue to final depth in the dry.

NEWS CENTER

New York City 46th Street Vent Plant

| News | No Comments

Given the presence of dense, bouldery glacial till from approximately 20-30 feet below ground surface,  permeation grouting was selected for groundwater control to bedrock beneath Posillico’s structural secant pile excavation…

MARK YOUR CALENDAR FOR THE 41st ANNUAL ASCE MET SECTION GEOTECHNICAL SEMINAR

| News | No Comments

The Metropolitan Section of the Geo-Institute/ASCE will host “Geotechnical Engineering: Adapting to the Unknown” on Thursday May 11th, 2017 Hotel Pennsylvania 401 7th Avenue @ 33rd Street New York, NY…

Colorado School of Mines Annual Underground Grouting and Ground Improvement Short Course

| News | No Comments

This premier 5-day short course covers grouting methods; ground freezing for shafts, tunnels and cross passages; and construction dewatering systems. More than 35 presentations are scheduled covering engineering, equipment, materials…

...If it is a very important situation that absolutely must be handled flawlessly, you have to go with Moretrench. The engineering staff, project execution and the tools Moretrench uses to accomplish the projects are second to none. Moretrench is top of the line in my mind.

GARY ALMERARIS, SKANSKA