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Current Projects
2023 Duvall Wastewater Treatment Plant Office Building Remodel (Rebid)
Pre-Bid: May 11th or 18th @ 9:30am at the WWTP Office site: 14525 Main St NE, Duvall
Bid Due: 5/25/2023 @ 1:00 pm PDT
Bid Documents: WWTP Office Remodel (Rebid) - Builders Exchange DUV #26
Description: This project is a level 3 alteration of the Public Works Department Building and includes a 1,339 square foot (sf) expansion at the second level. The 2,560 sf existing footprint is to remain the same for a gross project area of 4,905 sf. The renovation includes the interior reconfiguration of rooms, new mechanical, electrical, plumbing, windows, siding, exterior lighting, relocating building entrances, and structural improvements. Site development includes screening around mechanical equipment and trash receptacles, new concrete walkway, ADA ramp from right-of-way, emergency generator, EV charging station(s), and parking lot striping.
Original Bid (not active): WWTP Office Remodel - Builders Exchange DUV#25
Request for Qualifications:
Sewer Inflow and Infiltration Planning and Design
Qualifications Due: 5/25/2023 @ 2:00 pm PDT
RFQ Document: Request for Qualifications - Sewer Inflow and Infiltration
Description: The 2021 Sewer Utility Capital Improvement Program Update indicated that the City needs a wastewater rehabilitation program to reduce the amount of I&I that enters the collection system. The CIP has broken up the I&I program into two separate projects: program planning (long term/annual) and construction (short term):
- CP-1: Infiltration and Inflow Program: On-going Citywide program to identify Infiltration and Inflow issues throughout the City’s collection system (monitoring, inspection, etc.)
- CS-1: Infiltration and Inflow Repair: Address found I&I issues (CIPP, injection grouting, pipe replacement, lid replacement, etc.)
Most I&I issues are assumed to be in the Old Town area of the City where the sewer main piping is aged concrete bell and spigot. City Council approved the 2023/2024 budget with $615,000 to build our I&I program and complete the initial annual maintenance. In early 2023, the City began monitoring flow at four locations throughout Old Town in preparation for this I&I program. Data collection began on March 1 and is expected to be collected through July/August 2023.
Using this data collection set, the consultant will create a maintenance program to reduce I&I into our system. Additionally, the selected consultant will design a construction plan set for the 2024 maintenance program based on the consultant’s highest priority findings.
2023 Pavement Overlay
Bid Due: 5/31/2023 @ 10:00 am PDT
Bid Documents: 2023 Pavement Overlay - Builders Exchange DUV #27
Description: Bid documents are posted on Builder's Exchange (bxwa.com). The work in this contract includes edge or full width roadway planing, patching, base repairs, 2” Overlays, striping, utility adjustments and ADA ramp retrofits for approximately three-quarters of a mile of roadway between Cherry Valley Road and Big Rock Road in the City of Duvall and other related activities as specified in the contract documents. This project is partially funded with TIB funds. The Work must be completed within 60 working days after the commencement date stated in the Notice to Proceed.
Request for Qualifications:
142nd Pl Sidewalk Improvements, Phase 2 - Design
Qualifications Due: 6/9/2023 @ 12:00 pm PDT
RFQ Document: Request for Qualifications - 142nd Pl Sidewalk Improvement, Ph. 2
RFQ Advertisement: Advertisement - 142nd Pl Sidewalk Improvements, Ph. 2
RFQ Questions / Answers No. 1: RFQ Questions / Clarifications No. 1
Description: This project calls for design to address pedestrian safety and accessibility needs on NE 142nd Place from 278th Ave NE to 275th Avenue NE. The 142nd Pl Sidewalk Improvement, Phase 2 will consist of design and construction of approximately 800 linear feet of five-foot-wide sidewalk, with ADA ramps, on the north side of NE 142nd Place. This sidewalk shall include a planter strip or bioretention swale to add separation from the roadway. Design elements are expected to include concrete sidewalk, curb gutter, stormwater improvements, minor widening, bike lanes, and landscaping. All work is expected to be constructed within the City’s right-of-way. See RFQ for more detailed information.
The design of this project is funded by King County’s Community Development Block Grant (CDBG) program through the Community Development Housing, Homelessness and Community Development Division. These funds are federal and passed through KCHHCD from Housing and Urban Development (HUD)The design of this project shall follow all requirements outlined in the Contract for Professional Services because all Federal Requirements provided by King County have been incorporated into the contract.
Capital Facilities Assessment and Plan Update
Project Start: May 2021
Contract Amount: $285,613
Project Manager: Gavin Harrold
Contact: 425-939-8045 or email
The City is updating and adopting a sound, actionable, and fiscally responsible facilities maintnenace and asset optimization plan that supports the City government organization by providing safe and inviting work environments that meet the varying operational needs of all City Departments as well as consolidate all Capital Improvement Program project lists in one master document. This project includes assessment and inspection of existing City buildings for structural, general issues, and deficiences to guide budget and repair projects in the short term.
Water System Telemetry & Controls
Construction Start: October 2021
Contract Amount: $386,500
Project Manager: Gavin Harrold
Contact: 425-939-8045 or email
The project improvements to be implemented first include complete replacement of all SCADA equipment at the two supply stations, two water storage reservoirs, and pump station; replacement of the SCADA workstation/master telemetry unit (MTU) with three new SCADA workstations, and replacement of the leased telephone telemetry system with cellular-based telemetry. Additional improvements will be implemented by this project upon completion of the priority improvements. This will include new SCADA equipment at the seven (7) chlorine residual monitoring stations and remote monitoring equipment at four (one each zone) of the pressure-reducing stations.
142nd Pl Sidewalk Improvement
Construction Start: November 28, 2022
Contract Amount: $546,237.09
Project Manager: Benjamin Ressler
Contact: 425-939-8046 or email
This project includes construction of approximately 850 linear feet of sidewalk, curb, gutter, landscape, stormwater, and minor widening on the north side of NE 142nd Avenue between 278th Avenue NE and 282nd Place NE.
Duvall Police T.I. Remodel
Construction Start: February 1, 2023 (Notice to Proceed)
Contract Amount: $143,430
Project Manager: Gavin Harrold
Contact: 425-939-8045 or email
This project is for a remodel of partial pre-book and cell room to convert existing (1-3 occupancy) space into a women’s locker and shower/Wc room. In addition to that area furniture within the prebook room and pre-book counter will need to be modified as to allow an additional door to be installed for entry into the pre-book from existing patrol cubicle #1. Approximate area of remodel is 175 square feet. Other work for this project includes replacing approximately 3,671 feet of old flooring (and subfloor) with vinyl plank glue down flooring. Seven window replacements in the west offices and patrol room. Painting the interior of the police station. Lastly, a new stainless evidence countertop with ventilation above it is to be installed in the patrol room.
2022 Duvall Wastewater Treatment Plant Improvements
Construction Start: February 28, 2023 (Notice to Proceed)
Contract Amount: $4,309,606
Project Manager: Benjamin Ressler
Contact: 425-939-8046 or email
This project includes capacity improvements at the City's award winning Wastewater Treatment Plant (WWTP) by completing construction and installation of the permitted 4th Membrane Bioreactor (MBR) treatment train and associated equipment. This project also includes construction of UV disinfection system improvements, slide gates, pumps, electrical, and instrumentation required as part of these systems.
3rd Avenue Pedestrian Improvements (143rd to Stephens)
Big Rock Park Expansion
Tolt 2 Water Main Replacement
Status: In permit review. Construction anticipated Summer of 2023.
2.2 MG Reservoir Improvements
Status: Scoping for Design. Possible project start in late 2023/2024.
- Pavement Overlay (2022)
- 275th Complete Streets Sidewalk Project (2021)
- NE Kennedy Drive Water Main Replacement (2020)
- SR 203 Safety Improvements & Road Reconstruction (2019)
- Batten Road Overlay & Sewer Extension (2019)
- ADA Ramp Improvement Projects (2014-2018)
- Transportation Open House (2017)
- Big Rock Ballfields Renovations (2017)
- Thayer Creek Culvert Replacements (2017)
Surface and Stormwater Managment Plan
Sewer System Plan Update
Water System Plan Update
Contact Us
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Steven Leniszewski, P.E.
Public Works DirectorPublic Works Office
14525 Main St. NE
P.O. Box 1300
Duvall, WA 98019Ph: 425.788.3434
Fx: 425.788.0311Hours
Monday - Friday:
7:00 a.m. - 3:30 p.m.AFTER HOURS EMERGENCIES
Public Works: 425.419.3748
Sewer: 425.419.7178
(Please note these numbers do not receive text messages)ALL OTHER EMERGENCIES 911