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Current Projects
Provided is a list of current projects for the Department of Public Works. If you have questions about a specific project, please contact the engineer indicated.
Napa County Public Works Annual Letter for 2021
This is a notice to contractors about an opportunity to be included on contractors list(s).
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2020 LNU Fire Guardrail Replacement, RDS 20-40
The proposed project will repair guardrail damage caused by the 2020 LNU Lightning Complex Fires in Napa County. The Contractor shall possess a Class A, C-13 or C-32 license at the time of contract award. Engineer estimate: $1,800,000
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2210 Napa-Vallejo Hwy Temporary Construction Power, PW 20-100B
The project site is located at 2210 Napa-Vallejo Highway in Napa, CA. The scope of this project is to install a 600 amp 277/480 volt, 3 phase, 4 wire temporary power service and all associated equipment in accordance with plans, specifications and PG&E requirements for temporary construction power. Contractor shall possess a C-10 or Class B with a C-10 subcontractor at the time of contract award.
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2nd Advertise Contractor Prequal Napa County Jail
Napa County has determined that all Prime Contractors on the Napa County Jail Replacement Project, PW 20-100 must be prequalified prior to submitting a bid on the project.
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650 Imperial Way HVAC Upgrades Project, PW 18-03
The project is located at 650 Imperial Way. The work in general consists of, but is not limited to supplying all labor and materials to replace one existing HVAC rooftop unit as well as existing single duct variable air volume (VAC) boxes to dual duct boxes as shown on the plans.
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Airport Blvd Road Rehabilitation Project RDS 20-14
The project is located on Airport Boulevard in Napa County. The work in general consists of, but is not limited to supplying all labor and materials to perform a full depth reclamation along the roadway, as well as perform signals modifications, including a remote installation for signal outages. The Engineer’s estimate is $2,600,000.
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Buhman Ave Bridge Repair, RDS 20-25
The project is will be commenced along the following Napa county road: Buhman Avenue, adjacent to intersection with Congress Valley Road. The work in general consists of, but is not limited to supplying all labor and materials to construct and install a new concrete arch (open bottom) cast-in-place bridge that will replace the existing culverts. The Engineer estimate is $1,050,000. Contractor shall possess a Class A license at the time of contract award.
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Carneros Fire Station 210, PW 20-27
The project is located at 5250 Old Sonoma Road, Napa, CA 94559. The work generally consists of but is not limited to, all labor and materials for the site preparation and construction of a new 1,860 square foot pre-engineering steel volunteer fire station building, site paving, sidewalks, asphalt parking and driveway approach on a currently undeveloped lot. The Engineer’s estimate is $1,300,000. The contractor shall possess a Class B license at the time of Contract award.
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Chiles Pope Bridge Replacement, RDS 15-23
The project consist of replacement of the existing bridge on Chiles Pope Road over Chiles Pope Creek. The proposed bridge structure would consist of an approximately 105-foot-long by 26-foot- wide two-span cast-in-place prestressed concrete slab bridge that is two feet in depth.
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Contractor Prequalification Packet for Napa County
Notice is hereby given that Napa County ("County") has determined that all Prime Contractors on the Napa County Jail Replacement Project, PW 20-100 to be undertaken by the COUNTY must be prequalified prior to submitting a bid on the project. The engineer's estimate for the Project is approximately $90,000,000.
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County Road Striping Maintenance, RDS 21-27
The project is located on various roads throughout Napa County. The extent of the restriping project throughout Napa County is shown the attached Quantity Sheet Plan. Engineer’s estimate is $130,000. The contractor shall possess a Class “C-32” license at the time contract is awarded.
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Dry Creek Road Bridge over Dry Creek, RDS 15-22
The project is 0.8 miles west of Mt. Veeder Road and consist of replacing the existing bridge at a sharp curve in Dry Creek Road. The proposed bridge structure would consist of an approximately 80-foot-long by 32-foot-wide single-span concrete slab bridge that is constructed on pre-cast and pre-stressed concrete girders. The project also includes 900 feet of new roadway to remove two curves in Dry Creek Road. If the County can complete the regulatory permit process and right-of-way acquisitions before 2023, then it is possible that construction could begin in 2023. There is significant competition for federal Highway Bridge Program funding and it is anticipated that construction could begin in 2025.
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East Central Paving Project, RDS 21-25
Atlas Peak Road (Hardman Avenue to Westgate Drive), Hillcrest Drive, Westgate Drive, Soda Canyon Road (Silverado Trail to Loma Vista), and Second Avenue. The work in general consists of, but is not limited to, overlays, dig out and repairing failed areas, chip seals, full depth reclamation, striping, and signage or a combination thereof.
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LBRID Pump Station No 1 and 2 Generator, LB 21-01
The Lake Berryessa Resort Improvement District is seeking contractors to purchase and install two stand-by generators for two existing water system pump stations (one at each location) located at different locations on Harness Drive in Pope Valley. Scope includes site work as shown on the conceptual site plans, connection to existing manual transfer switches, and start-up and testing services. The Contractor shall possess a Class “A” or “C-10” license at the time of contract award.
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LNU Fire Guardrail Repair Project Berryessa/Knoxville Rd, Steele Cyn Rd & Wragg Cyn Rd, RDS 20-39
The proposed project will repair guardrail damage caused by the 2020 LNU Fire Complex in Napa County. Engineer Estimate: $950,000. Contractor shall possess a Class A, C-13 or C-32 license at the time of contract award.
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Mt. Veeder Road Rehabilitation, RDS 21-16
The project is located on Mt. Veeder Road in Napa County for its entire length from Redwood Road to Dry Creek Road. The proposed project will include pavement grind outs and replacement at locations marked on the ground with green pain, crack seal and then resurface the entire existing pavement. The Engineer's estimate is $1,900,000. Contractor shall possess License A and C-13 at the time of contract award.
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Mt. Veeder Storm Damage Repair, RDS 19-13
Damage was caused to Mt. Veeder Road MPM 5.1 from a storm event that occurred in Napa County in February 2017. The project proposes to reconstruct the road with a cast-in-drilled-hole (CIDH) concrete retaining wall that is 400’ long. The wall height varies from 4 feet to 10 feet and the pier depth for the 45 concrete-drilled piles (24 inches in diameter) is 20 feet.
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Napa County Airport Taxiway H Section 1 PW 20-20
The project is located at the Napa County Airport, 2030 Airport Road, Napa, CA. The scope of work for this project generally consists of Taxiway H, Section 1 Reconstruction. The estimated cost of construction for this project is $2,869,790.
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Napa County Monopole Project, RDS 21-22
Illumination Technologies California (ITC) and the County of Napa are collaborating to install sensors to detect wildfires and cellular communication towers to improve communications in Napa County. In February 2021, the County began preparing environmental studies and documents required by a California Environmental Quality Act to install 11 IQ FireWatch sensors and 23 telecommunication and broadband monopoles.
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Napa River Oakville to Oak Knoll Reach - Site 9
The project is located on the East and West banks of the Napa River in a stretch located between Yountville Cross Road and Oak Knoll Avenue in Napa County. The Engineer's estimate for construction of the base contract is $2,556,412. A Class A license is required for this project.
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Napa River Restoration Oakville to Oak Knoll
The project is located along the Napa River north of Yountville and just south of the Oakville Cross Road.
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NBRID Sewer Lift Station 2 Pump Replace, NB 19-05
The location of the work is entirely within the Napa Berryessa Resort Improvement District. The primary objective of the project is to install new electro-mechanical equipment at Lift Station No. 2 located at Steele Canyon Road near Arroyo Lindo Dr in Napa, and perform ancillary site work as shown in the design plans.
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OVOK Group B Revegetation Project, PW 19-21
The project is located on the East and West banks of the Napa River in a stretch located between Yountville Cross Road and Oakville Cross Road in Napa County.
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OVOK Group C Revegetation
The project is located on the East and West banks of the Napa River starting at the Yountville Cross Road bridge and extending approximately 3,000 ft to the South.
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Oakville to Oak Knoll Reach - Group D, PW 20-28
The project is located on the East and West banks of the Napa River in the stretch located between Yountville Cross Road and Oak Knoll Avenue in Napa County. The work will consist of demolition, grading, excavation and off haul of soil, construction of biotechnical stabilization structures.
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Partrick & Dry Creek Construction Project
This project is for a major rehabilitation for a portion of Partrick and Dry Creek Road. The rehabilitation will consist of a full depth base rehabilitation and covering with a layer of new asphalt. Bicycle signing and Pavement Markings will also be part of this project. The Contractor shall possess a Class A or C-12 license at the time of contract award. Engineer's estimate is $1,800,000.
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Replacement Jail
The new Jail Facility will be designed to include eight 32-Bed Housing pods, two 24-Bed Dormitory Housing units and Medical and Mental Health Services spaces (28-Beds and 2 Isolation rooms) for a total of 332 total Beds. In addition, the facility will include all the necessary functional spaces to operate a fully functional Jail facility.
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RFQ 1127 First Street HVAC
The Napa County Department of Public Works is requesting qualifications from qualified professional mechanical engineering firsts to provide design services associated with the replacement of heating, ventilation and air conditioning systems (HVAC) for a County owned building.
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RFQ 2021 Dry Creek 6.2 and Campbell Culvert
Napa County is seeking statements of qualifications ("SOQs") from design teams with a civil lead firm and structural, geotechnical, surveying and environmental sub consultants for the following repairs and upgrades on Dry Creek Road and Campbell Creek.
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Silverado Trail Phase K Paving, RDS 20-03A
The proposed project will consist of the placement of a 2.0 inch think layer of rubberized asphalt, gap graded (RHMA-G) on Silverado Trail from south of Yountville Cross Rd to Oak Knoll Ave intersection, including pre-paving HMA-Type A roadway repair, conform and floodway grinding and all other related work. The restriping pattern will be to match existing, unless noted per plan. Engineer estimate is $2,500,000. Contractor shall possess a Class A or C-12 license at the time of contract award.
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Silverado Trail Phase L Paving, RDS 20-04 Federal Project Number: STPL 5921 (083)
The proposed project will consist of the placement of a 2.0 inch thick layer of rubberized asphalt, gap graded (RHMA-G) on Silverado Trail from Hardman Ave intersection to Oak Knoll Ave intersection, including conform and floodway grinding and related work. The restriping pattern will be to match existing, or per plan. Engineer Estimate: $1,400,000. The Contractor shall possess a Class “A” or C-12 license at the time of contract award.
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Silverado Trail Phase M Paving, RDS 20-03
The proposed project will consist of the placement of a 2.0 inch thick later of rubberized asphalt, gap graded (RHMA-G) on Silverado Trail from Hardman Ave intersection to Trancas St intersection, including pre-paving HMA-Type A roadway repair, conform and floodway grinding and all other related work. The restriping pattern will be to match existing, unless noted per plan. Engineer estimate is $1,050,000. Contractor shall possess a Class A or C-12 license at the time of the contract award.
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Soscol-Devlin Roundabout Project
Napa County is proposing to improve the intersection for Devlin Road and Soscol Ferry Road with construction of a roundabout. The project would convert the intersection into a yield-controlled, single-lane, three-legged roundabout designed to accommodate future traffic forecasts. There would be no expansion in the number of travel lanes for Devlin Road and Soscol Road, but minor expansion of right-of-way is necessary to accommodate the roundabout.
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South Campus Building B Emergency Power, PW 21-20
This project is to install a 350kW generator at the Health and Human Services Agency (HHSA) that is capable of providing back-up power during power outages and public shutoffs in order to keep the 24-hour services operational to the public. Engineer estimate is $800,000. The Contractor shall possess a Class B or C-10 license at the time of contract award.
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South Campus Buildings 1A & 3 Reroofing PW 20-13
This project will take place on buildings 1A and 3 at the County’s South Campus facility located at 2731 and 2747 Napa Valley Corporate Drive, Napa CA, 94558. The work in general consists of, but is not limited to supplying all labor and materials to remove and replace the roofs on buildings 1A and 3 as specified in the drawings and specifications.
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South Napa Shelter Tenant Improvement, PW 20-16
The work in general consists of, but is not limited to supplying all labor and materials to remodel bathrooms throughout the facility, provide ADA improvements throughout, as well as supply and install furniture and remodel office space, as shown on these plans and specifications entitled South Napa Shelter Tenant Improvement Project, PW 20-16. The South Napa Shelter shall remain operational during construction; coordination for access will be required.
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Third Avenue Culvert Repair, RDS 17-32 and 17-33
Third Ave Culvert (LOP 208) and Third Ave Bridge (LOP 209) is located at the east side of downtown Napa, Napa County, CA.
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Zinfandel Lane Paving, RDS 19-05
The project is located on Zinfandel Lane in Napa County. The extents of resurfacing on Zinfandel Lane is as shown per plan, between State Route 29 and Silverado Trail. The Engineer’s estimate is $1,201,795. The Contractor shall possess a Class A or C-12 license at the time of contract award.