Treatment Plant Odor Control Construction Updates

Treatment Plant Odor Control Project Update - Oct. 11

Week of 10-14-2019

  • Install valves, valve boxes, and yard hydrants at Junction Box #1 and Biofilter
  • Ground Penetrating Radar subcontractor to scan site along future 16” Foul Air duct
  • Excavate for 16” Foul Air duct from Biofilter to Influent Pump Station
  • VIA Electric Co. to install in-slab and under-slab conduit at Biofilter

Week of 10-21-2019

  • Fuse 16” HDPE Foul Air duct
  • Install 16” HDPE Foul Air duct from Biofilter to Influent Pump Station
  • Pour biofilter slab
  • Backfill and grade around biofilter
  • Excavate for 6” Foul Air duct from Biofilter to Junction Box #1
Week of Sept. 30
  • Complete edge form for biofilter slab (pending biofilter data)
  • Begin tying rebar for biofilter slab (pending biofilter data)
  • Place stub outs for biofilter (pending biofilter data)
  • Complete installation of 2” potable water from tie-in to biofilter yard hydrant
  • Excavate, install, bury 2” reclaimed water from tie-in to junction box #1 yard hydrant
  • Install biofilter drain from biofilter to sanitary sewer manhole #4
Week of Oct. 7
  • Tie rebar for biofilter slab
  • Pour biofilter slab
  • Backfill and grade around biofilter
  • Begin installation of air duct from biofilter to JB #1 and IPS

Treatment Plant Odor Control Project Update - Sept. 13

Work is continuing on installation of the odor control system. Progress expected during the next couple weeks includes:

Week of Sept. 16
  • Backfill biofilter foundation
  • Prep for installation of underslab drain line
  • Prep subgrade for biofilter slab
  • Begin edge forming biofilter slab
Week of Sept. 23
  • Complete edge form for biofilter slab
  • Finalize underslab drain
  • Begin tying rebar for biofilter slab
  • Place stub outs for biofilter

Treatment Plant Odor Control Project Update - Aug. 30

During the next few weeks, residents nearby may hear noises from trucks as concrete is delivered and poured. Concrete footers have been installed, and footer walls are being prepared for concrete delivery next week.

Progress expected during the next couple weeks includes:

  • Continued work on the biofilter foundation and footer walls.
  • Beginning work to backfill and subgrade the slab.
  • Conduit rough-in.

Treatment Plant Odor Control Project Update - Aug. 16

During the next few weeks, construction crews will continue work on the biofilter foundation. Forms and rebar will be installed next week, and concrete is expected to be delivered on Monday, Aug. 26.

In addition to the odor control project, a separate project to connect a new sewer line into the treatment plant is underway. Contractors working on this project are digging and chipping through bedrock near the plant. The project is expected to last three more weeks. Residents living near the treatment plant may hear noises resulting from this excavation during construction hours.

Treatment Plant Odor Control Project Update - Aug. 2

For the next few weeks, construction crews will be working on electrical utilities and the biofilter foundation. This includes:

  • Connection of main electrical lines from a junction box to a transformer.
  • Layout and excavation of footings for biofilter.
  • Subgrade preparations for footings.
  • Installation pf forms and rebar for footings and footing walls.
  • Pouring concrete into forms.

Treatment Plant Odor Control Project Update - July 19

During the next few weeks, construction crews at the wastewater treatment plant are working on site preparation and underground utilities. Work includes:
  • Mobilizing equipment 
  • Staging materials 
  • Sedimentation and erosion control
  • Moving an existing underground main electrical utility feeder line
Earlier this week, a public engagement meeting was held to talk with residents about the project. Thanks to everyone who visited!