Construction of an ultraviolet (UV) light disinfection system and UV building.

Installed six (6) new Evaptec cooling tower cells with a flow capacity of 7,000 gallons per minute (GPM) and constructed a utility bridge to support large conduit and piping systems.

Modifications to the existing Effluent Pumping Facility building, include the upgrade of existing equipment and the construction of a new electrical annex adjacent to the existing building.

Modifications to the existing sodium hypochlorite distribution system, installation of new valves and electric actuators for the screened effluent pumping system, new effluent strainers...

Construction of three (3) electrical substations with underground utilities and concrete ductbanks with connections to existing loads

The scope of work was predominantly mechanical and ranged from repair and replacement of damaged tidal, influent, effluent/dewatering pumps throughout the plant to installing new process equipment and supporting temporary plant operations around the clock.

Work included all civil and site work, tanks, process piping & pumping (RAS/WAS) systems, biological process (oxidation ditch), ultraviolet (UV) disinfection systems, new instrumentation & controls,...

Modify existing grit tanks and influent channels and install three (3) new vortex grit removal tanks; demolition and replacement of collection, conveyor, and other related equipment needed to support the removal process.

Modifications to existing Aeration and Settling Tanks. Work includes adding baffling, mixers, equipment and piping for removal of Surface Waste Activated Sludge (SWAS), as well as replacements of diffusers and piping, air valves, HVAC and Toilet Room equipment.

Construction of the Main Substation Building, furnish distribution switchgear, transformers, duct banks, and generators.

Design and installation of a new protected water re-use system for SUEZ and New York American Water, Merrick, NY.

The three-phase plant expansion was completed in 2014. Work included the construction of new final settling tanks, Return Activated Sludge (RAS) and Waste Activated Sludge (WAS) pumping stations,...

Replacement of existing pump system for the primary screen of (3) channels, as well as rigging and installation of a new conveyor belt, skip hoist and control systems

Construction of a Gravity Belt Thickener Facility in the existing sludge thickening building (H Building), for the purpose of housing four (4) three-meter gravity belt thickeners...

Installation of Odor Control Biofilter Systems at each plant. Includes the addition of Carbon Adsorbers to the existing system, as well as supporting equipment such as fans,...

Excavated and removed four (4) underground 25,000-gallon steel storage tanks and replaced them with four (4) double wall fiberglass 20,000 gallon tanks.

Plant upgrade and expansion meet New York State Department of Environmental Conservation (NYSDEC) nitrate removal and water reuse standards.

Installation of Advanced Oxidation Process
Systems at various locations:

Construction of a Level 1 - Biological Nutrient Removal (BNR) upgrade, including improvements to the Aeration System, addition of baffle walls and mixers,

Constructed new $6.1 million pump station to support RXR Development’s new smart growth, mixed-use community initiative, with over 1,100 new LEED-certified residential units and...

Preliminary Treatment Plant improvements include upgrades to screening systems, pump station, grit collection and removal, system, as well as electrical and HVAC.

The work to being completed includes two (2) new belt filter presses inside of the existing Dissolved Air Flotation (DAF) Building, a new electric

Work includes demolition, repair, rehabilitation, and/or new construction at (3) pump station locations...