Moretrench Timeline

1900 -1919




Full Timeline without a break


Moretrench founder Thomas F. Moore sets up a sewer contracting business in Buffalo, NY.


Moore files his first patent for a “Hoisting and Conveying Machine” that streamlines trenching operations.


Moore formally incorporates his business as the Moore Trench Machine Company in Syracuse, NY.


The business relocates to Rockaway, NJ, the company’s headquarters to this day.


Moore files a patent for a grab bucket machine that improves trench safety for his workers.


Moore develops the first practical wellpoint system and immediately files a patent, which was granted in 1926.


The first of many patents for improvements to the wellpoint system is filed.


Moretrench wellpoints are used for the first time in New York City during the construction of the Western Union Building.


At a contractors trade show in Atlantic City, NJ, Moore installs 40 wellpoints in front of the boardwalk and his men excavate 22 feet below sea level by hand to demonstrate his invention.


Billed as the second largest dry dock in America, the Todd Dry Dock in Brooklyn, NY was excavated with the help of Moretrench wellpoints and was completed in just 15 months.


The Moretrench Machine Company is reincorporated as the Moretrench Corporation. Total authorized stock is $250,000.


Moore files a patent for a “Hole-Punching Device” a method of sinking wellpoints more efficiently and to greater depths than previously achievable.


Moretrench designs and installs a dewatering system to drain a 240,000 square foot ash pond to stabilize deposits up to 12 feet thick, allowing safe removal with conventional truck-mounted excavators.


Moretrench wellpoints are shipped to Singapore to dewater the excavation for the George V Graving Dock at a British Naval Base. Wellpoints are also used at a government dry dock in Peru, and an oil refinery in France.


Moretrench wellpoints have been used on 14 subway projects in New York and New Jersey.


Wellpoints dewater the excavation for a 9,000-foot-long seawall at Fort Monroe, VA.


Bonneville Lock and Dam in Oregon. When the presence of quicksand above the rock makes anchoring the dam foundation difficult, self-jetting wellpoints are installed down to rock to stabilize the problem soils.


Moretrench develops the “farm pump” water delivery system for crop irrigation


Moretrench wellpoints dewater the excavations on new plants under construction up and down the country to meet the increased need for power manufacturing.


Moretrench wellpoints dewater almost 100 miles of sewer trench in three months at Camp Blanding, FL, for military training in anticipation of WWII.


Moretrench wins a contract to supply wellpoints to dewater a new shipyard in Tampa, FL. Similar contracts follow in Georgia and North Carolina.


By now, Moretrench wellpoints have been used on 18 major New York City subway projects.


A million gallons of grout is pumped to seal openwork gravel at the Kammer Power Plant in West Virginia.


Wellpoints dewater the approaches to the Hampton Roads Bridge Tunnel, VA.


The first Moretrench-designed deep well system is installed at Black Lake in Quebec to stabilize the excavation slopes.


Deep wells dewater Bremerton Dry Dock No. 6, WA, the largest dry dock in the world at the time.


Innovative ejector wells dewater the excavation for the Humble Oil building in Houston, TX.


4,000 sand drains stabilize a man-made island, part of the Chesapeake Bay Bridge Tunnel in Virginia.


Oyster Creek Nuclear Generating Station, NJ, the first commercial nuclear power plant and the first of many nuclear power plant jobs for Moretrench.


During original construction of the World Trade Center in New York, Moretrench ejector wells allow existing PATH tubes to be stabilized so that excavation and bathtub construction can be completed.


Dewatering for San Francisco’s BART system marks the first of many dewatering projects on subways across the country.


Moretrench takes on its first overseas job, installing a deep well system for pressure relief under a dry dock in Spain. Other work follows in the Canary Islands and Saudi Arabia.


Moretrench takes on its first slurry trench job at the Two Bridges Treatment Plant in Lincoln Park, NJ.


Freeze Wall is established as a subsidiary company to develop ground freezing opportunities in North America. It’s first project was at the Corning Glass works in New York.


Chief Engineer Pat Powers authors Construction Dewatering, which soon becomes the industry bible. Updated and expanded editions follow in 1992 and 2007


Dewatering work begins on Phase 1 of the massive Lock & Dam 26 across the Missouri River. Two more phases follow over an 11 year period. The landmark project realizes more that $55 million in revenue.


In the first of several contracts for New York’s City Water Tunnel #3, ground freezing facilitates the sinking of three deep shafts.


In an unusual application, ground freezing is used to prevent further erosion at an abandoned salt mine in Louisiana that houses 2.1 million gallons of the nation’s Strategic Petroleum Reserve. The freeze is maintained for five years while the oil is pumped out.


Installation of 450 wells through the half-mile long dividing wall of Hillview Reservoir in New York provides the pressure relief on the wall that allows the twin basins to be safely drained and cleaned in turn.


The Lenox Avenue subway reconstruction project in New York City involves dewatering of a 2,500-foot long subway tunnel section to allow concrete invert replacement. Well installation and dewatering is accomplished within the active tunnel.


As an integral part of the design-build team, Moretrench provides the dewatering system for construction of the underground section of the Tren Urbano metro in San Juan, PR.


Mass ground freezing allows jacking of three massive box tunnels under rail tracks leading to Boston’s South Station for the Big Dig. This remains the largest single ground freezing effort in the USA to date.


One of the company’s first specialty geotechnical jobs was soil nailed underpinning and excavation support for expansion of the Robert Wood Johnson University Hospital in New Brunswick, NJ.


Moretrench becomes a 100% employee-owned ESOP company. By 2012, 127 employees are fully vested.


Work begins on the company’s first jet grouting job at the First Morris Bank in Morristown, NJ. Vertical and inclined jet grout columns provide underpinning of existing footings as well as excavation support for the new construction.


Two days after the attack on New York City’s World Trace Center, Moretrench is called to Ground Zero to pump out flooded PATH tubes and to install dewatering wells for pressure relief of the damaged bathtub perimeter walls. The company goes on to complete numerous projects during the recovery and rebuilding.


A deep well system dewaters the soils ahead of SEM tunneling for excavation of Seattle’s Beacon Hill Station. At 165 feet below ground surface, this is the deepest station to be excavated in soft ground in North America to date.


Moretrench’s Tampa office constructs a fast-track 150-acre retention pond for a major fertilizer producer.


Moretrench performs permeation grouting, dewatering and groundwater treatment at the Bellmouth launch shaft for the East Side Access Project in Queens, NY. This is the first of several contracts undertaken along various portions of the ESA route into New York City.


At the Wards Island Water Pollution Control Plant in New York, Moretrench uses long-stroke drill rigs to install rock-socketed micropiles at a state-of-the art de-nitrification facility, the first of its kind in the United States.


Permanent soil nailed excavation support facilitates the construction of a Proton Therapy Unit in a vey tight irregular excavation 40 feet deep at the Robert Wood Johnson medical complex in New Brunswick, NJ.


At a phosphate plant in Florida, a sinkhole measuring 300 feet across is stabilized by compaction grouting aided by sonic drilling.


At the Northern Boulevard Crossing in Queens, NY, acknowledged as the most challenging aspect of the entire East Side Access Project, ground freezing provides a protective arch during SEM mining of a tunnel deep below the water table. Compensation grouting for heave/settlement control is a critical part of the overall program.


At Rukert Marine Terminal in Baltimore, MD, installation of a new 1,575-foot long underground storm water drainage system through gasoline-contaminated soils involved drawing on diverse expertise throughout the company to accomplish the extensive pipework, concrete work, dewatering and groundwater treatment.


Moretrench’s rock grouting techniques successfully seal very permeable karstic rock to facilitate mining of three deep shafts for the OARS relief sewer project in Columbus, OH.


In a first-of-a-kind application in North America,  Moretrench successfully uses  ground freezing  to stabilize a highly pervious coralline formation to facilitate the mining of the Port of Miami  twin-tunnel cross passages deep below the groundwater table.


In Buenos Aries, Argentina, every attempt had been made over time to halt persistent soil and groundwater ingress into a deep shaft under construction.  Ground freezing proved to be the only solution to providing the earth support and groundwater control needed to allow shaft completion.


With a proven history of dewatering fly ash ponds, Moretrench is poised to respond proactively to the new 2014 Federal Regulations mandating a closure deadline, rapidly becoming intensely involved with working with the power manufacturing industry to develop and implement the optimal site-specific pre-drainage plans.


Moretrench installs and operates a ground freezing system deep beneath the Frazer River in Vancouver, B.C. to provide the water tight cut-off needed to allow cutter head access to repair a stalled TBM midway into mining the new Port Mann Water Supply Tunnel.


Horizontal ground freezing aids hand-mining of five cross passages for the Northgate Link of Seattle’s Light Rail transit system. For the first time, the entire system, including the freeze plants, are housed within the extension’s tunnels.


Low headroom and tight access is the challenge during micropile installation of replacement water-based piers supporting a parkway roadbed running beneath historic stone arch bridges crossing the Sawmill River in New York.


Around-the-clock installation of micropile foundation systems is required to support the eight temporary steel jacking towers needed to stabilize the Delaware River Bridge during emergency repairs to a cracked truss.