Construction

Upcoming Construction Plans

• Concrete for the cake storage and unloading foundation.
• Complete concrete walls and upper level floor for the solids building.
• Repair east holding tank upper walls and construct new roof.
• West Holding Tank roof demo.
• Refurbish DAF 1 and 2 into the new sidestream treatment system.

Work Completed

April  2023

• Procured additional ductile iron piping and other mechanical items, masonry materials, four FRP polymer storage tanks, Sidestream mixing equipment and additional I&C instruments.
• Continued forming and pouring the Operating Floor walls.
• Began installing the Upper Deck shoring
• Started installing masonry walls at the Operating Floor.
• Installed the Pre-THP Centrifuge Feed pumps and Pre-THP Cake pumps
• Continued working on the Pre-THP silo erection.
• Continued electrical rough-in at the Cambi equipment.
• Completed forming and pouring the East Holding Tank ring beams
• Continued forming the short walls and columns at the Cake Loadout.

March 2023

• Final design was completed.
• Procured additional ductile iron piping and other mechanical items, procured some fabricated structural steel, Neenah cast iron grating and embeds, five progressive cavity pumps and the balance of the Upper Level reinforcing steel.
• Formed and poured the balance of the Operating Floor columns for the Solids Building.
• Continued forming and pouring the walls for the Solids Building.
• Installed the two Sludge Coolers on the THP pad.
• Continued working on the Pre-THP silo erection.
• Completed erecting the THP canopy.
• Continued electrical rough-in at the Cambi equipment.
• Continued forming and pouring the East Holding Tank ring beams.
• Worked on forming the short walls and columns at the Cake Loadout.

February 2023

• Procured additional ductile iron piping and other mechanical items, procured the bridge crane hoist, two FRP polymer storage tanks and several I&C components.
• Completed the masonry work associated with the relocated Elevator Control Room on the Admin Building. 
• Formed and poured additional Operating Floor columns and walls.
• Installed the Pre-THP Cake Silos structural support steel.
• Began erecting the THP canopy structural support steel.
• Continued electrical rough-in at the Cambi equipment.
• Continued forming and pouring the East Holding Tank ring beams.
• Worked on underslab drainage piping at the Cake Loadout area.
• Removed the existing DAF 1 dome.

January 2023

• Procured additional ductile iron piping and other mechanical items, procured the bridge crane, additional Pre-Engineered Metal Building component and Vaughan chopper pumps and mixing systems.
• Formed and poured additional Operating Floor columns and walls.
• Worked on install drain piping at the Biosolids Building basement and Operating Floor.
• Continued electrical rough-in at the Cambi equipment and continued forming and rebar installation at the East Holding Tank ring beams.
• Completed the underslab drainage piping from the Cake Loadout area.
• Completed additional demo at the Holding Tank Room.
• Worked on removing the existing equipment from DAF 1 & 2.

August-November 2022

• Solids building ground floor suspended slab.
• East holding tank roof demolition.
• Sludge wet well base slab and walls.
• Thermal Hydrolysis Process (THP) structural slab on grade.
• North parking lot.
• Cambi equipment arrived for the THP system.
• Foundation work began for the cake storage and unloading structure.

June/July 2022

• North and south shear walls to include shoring and decks above the solids building basement.
• Pile cap installation for the polymer tanks on the operations floor level.
• Wet well overflow piping installed underground from the existing vault to the wet well riser locations.

April/May 2022

• Helical pile installation in the truck loadout area.
• Helical pile caps in the Biosolids basement.
• Shoring in East Holding Tank in preparation for roof demolition.

February/March 2022

• The east holding tank has been cleaned out.
• Selective demolition has been completed in DAF 1 and DAF 2.

January 2022

• Digester feed switched from east holding tank to DAF 3.
• East holding tank cleaning has started in preparation for modifications.
• Building demolished and cleanup wrapping up.

November/December 2021

• Temporary building placed around the relocated and refurbished belt presses.
• Solids Building demolition continues with sorting debris and hauling off site to be recycled.
• Demolition of gas storage tank cover and mechanisms for possible reuse for equalization in new sidestream treatment process.
• Temporary facilities installed for digester microaeration pilot.
• New boiler system installed to provide heat to the Admin Building.
• Installed test piles to evaluate foundation requirements for new Solids Building.

October 2021

• The smoke stack is gone!
• Boilers to provide heat to the Admin Building were installed just in time for winter.
• Concrete pads for temporary dewatering facility were installed.

August/September 2021

• Asbestos removal from solids building incinerators.
• Removal of the inner brick and asbestos layers in the incinerator smoke stake.
• Trailer park (lay down area).
• Temporary belt filter presses (BFP) hooked up and running.
• Temporary solids rerouting from DAF 3 to the temporary BFPs.
• Temporary power has been rerouted to the Administration Building.
• Selective demolition has started on the Solids Building.
• The pad has been poured for the radio tower control building.
• The radio tower has been erected.