Current Projects - TEK Construction, Inc.
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WWTP Influent Screening Improvements

Concrete, Washington



Project Manager: To Be Determined

Superintendent: To Be Determined

Contract Amount: $496,354.95

Owner: Town of Concrete

Engineer: Gray & Osborne

Project Start: Winter 2020

Project Completion: Summer 2020

Job Description: The Project includes temporary bypass pumping around an existing manhole, removal and waste-hauling of an existing manhole, piping, fittings, and appurtenances; construction of a below grade concrete channel; installation of a new Rotary Drum Screen within the new concrete channel; connection to the existing potable water system located onsite; installation of a new air gap unit and non-potable water equipment for cross-connection control, installation of both below- and above-grade piping, fittings, and appurtenances; and all associated electrical, telemetry, and systems integration improvements.

Midway Sewer District WWTP Primary Clarifier Improvements

Des Moines, Washington



Project Manager: Tyler Irwin

Superintendent: To Be Determined

Contract Amount: $1,295,000.00

Owner: Midway Water & Sewer District

Engineer: Gray & Osborne, Inc.

Project Start: Spring 2020

Project Completion: Summer 2020

Job Description: This project involves improvements to the existing Primary Clarifiers 1 and 2 and associated inlet channel structure at the Des Moines Creek Wastewater Treatment Plant in Des Moines, Washington. Work shall include removal of both existing primary clarifier mechanisms and associated drive motors, removal of the all four scum skimmer mechanisms and associated drive motors, and removal of the both cross collector
mechanisms and associated drive motors. Work shall also include cleaning, preparation, and coating of both clarifiers as well as the associated inlet channel, installation of two new primary clarifier mechanisms, installation of two new scum skimmer mechanisms, and installation of two new cross collector mechanisms. Work shall include replacement of the existing inlet channel structure air supply piping, drop piping, and sluice gates; along with all necessary temporary bypass pumping. Work must also include core drilling, some concrete modifications, and replacement of piping within the WWTP basement as well as all required electrical modifications.

Payette Lakes WWTF Headworks Improvements

McCall, Idaho



Project Manager: Tyler Irwin

Superintendent: Jess Phillips

Contract Amount: $2,592,000.00

Owner: Payette Lakes Recreational Water and Sewer District

Engineer: J.U.B Engineers, Inc.

Project Start: Spring 2020

Project Completion: January 2021

Job Description: The 2019 Headworks Improvement project is an upgrade to the District’s wastewater treatment plant (WWTP), and generally includes the following:

-Build new screening and grit removal facilities

-Build new headworks building

-Bypass pumping of influent flow

-Demolition of existing 18-inch and 21-inch piping and replace with 21 and 24-inch piping respectively

-Build new junction boxes

-Install new gates in existing junction boxes and reroute flow to new headworks

NAS Whidbey Southern GETR System

Oak Harbor, Washington



Project Manager: Dean Irwin

Superintendent: TBD

Contract Amount: $3,665,000.00

Owner/Engineer: NAVFAC NW

Project Start: Fall 2019

Project Completion: Spring 2021

Job Description:

-Installing a new groundwater treatment system along State Route (SR) 20 that will use advanced oxidation processes (AOP) to remove chlorinated COCs and 1,4-dioxane from extracted groundwater.

-Replacing the existing air stripper treatment system at Area 6 with an AOP system.

Molalla Water Treatment Plant Improvements

Molalla, Oregon



Project Manager: Tyler Irwin

Superintendent: Josh Johnson

Contract Amount: $1,395,000.00

Owner: City of Molalla

Engineer: The Dyer Partnership Engineers & Planners, Inc.

Project Start: Fall 2019

Project Completion: Summer 2020

Job Description: Construction of an additional water treatment unit and all associated piping, equipment, controls, and materials necessary for the complete packaged water treatment unit installation. The package includes:

-One 1,400-gpm treatment unit and associated equipment

-Electrical, controls, and instrumentation

-Chemical feed system modifications

-Replacement of existing backwash pump

-Miscellaneous valves and fittings

-Site piping, supports and appurtenances.

-Replacement of Sodium Hypochlorite tanks, chemical feed line and piping

-Demolition and decomissioning of Filters #3 and #4 and associated equipment, controls, piping & appurtenances

-Install new Cat6 in the WTP, and install new fiber cable between the WTP and Influent Pump Station (IPS)

Town of Coupeville Water Supply Improvements

Coupeville, Washington



Project Manager: Dean Irwin & Tyler Irwin

Superintendent: Jess Phillips

Contract Amount: $4,306,694.00

Owner: U.S. Navy

Engineer: APTIM & CH2M Hill

Project Start: February 18, 2019

Project Completion: June 2019

Job Description: The Work will provide the Owner with a Granular Activated Carbon (GAC) treatment system to maintain PFOA and PFOS concentrations below the USEPA 70 ppt LHA level, and extend the Owner’s distribution system to provide municipal drinking water to residences whose private supply wells have been impacted.