Mass. Electric Construction Co. is currently working with its affiliate Kiewit Constructors Inc. on the rehabilitation of mechanical rooms, the removal of existing air vacuum valves, the reinstallation of existing air vacuum valves installation of new isolation valves, and installation of FRE conduits and all associated wiring, junction boxes, and electrical work for the existing East River and North River Tunnels.
The project includes construction of a new water filtration plant, chemical facilities, 2400 square feet operations building, two earthen lagoons, with associated general construction, electrical, instrumentation, HVAC and plumbing work.
The project includes clearing and grubbing, structure and trench excavations, temporary and safety sheet piling, footing and structure concrete, pre-engineered/pre-fabricated bow string truss pedestrian-bicycle bridge superstructure, and box beam guide railing assemblies.
The scope of work included replacement of influent pumps requiring temporary pump around system and this work being performed during low flow conditions with no predicted precipitation and coordination with plant operators. Modifications also included; new seal water system with pumps, tanks and associated equipment, replacement of mechanical bar screen and removable grinder in the influent channel. Existing wet well was modified by construction a new concrete wall to provide isolation. The pump station upgrade included new electrical work and motor control center and instrumentation for automatic control of the station.
The scope of work includes construction of an influent pump station, headworks with fine screen and grit removal, Sequencing Batch Reactors (SBR), an equalization basin, continuous backwashing up-flow sand filters, a membrane microfiltration, sludge storage as well as thickening, dewatering and odor control.
The scope of work included installing a new septage receiving station, an influent screen, a grit channel, influent pumps, three 140-foot-by- 40-foot rectangular primary clarifiers, four 136-foot-by-50-foot rectangular aeration structures, three 90-foot-diameter secondary clarifiers and a new ultraviolet disinfection system. Crews are modified existing secondary clarifiers and performed all sitework and piping infrastructure.
The project includes sitework and restoration, yard piping, mechanical piping, appurtenances, junction structures, a new 120-ft secondary clarifier system including tank/sludge collection/scum removal equipment/weirs/baffles/access platforms/associated piping and valves, instrumentation, and electrical controls.
Construction of new single story masonry administration building; new influent pump station (wetwell and building) including 4 self priming centrifugal suction lift pumps with appurtenances and controls; new pump station with force main tie-in; and a new gravity sanitary sewer line.
Jett Industries Inc. is a subsidiary of Kiewit Corporation. This link will direct you to Kiewitjobs.com where you’ll find a comprehensive list of all Kiewit and subsidiary staff opportunities. If you would like to view Jett jobs only, use the search tool to narrow results.
Route 7, PO Box 219
Colliersville, New York 13747