Arcata Wastewater Treatment Facility (AWTF) Improvement Project, Phase I

Agency: City of Arcata
State: California
Type of Government: State & Local
NAICS Category:
  • 236220 - Commercial and Institutional Building Construction
  • 237110 - Water and Sewer Line and Related Structures Construction
Posted Date: Aug 9, 2022
Due Date: Aug 18, 2022
Bid Source: Please Login to View Page
Contact information: Please Login to View Page
Bid Documents: Please Login to View Page
Bid Title: Arcata Wastewater Treatment Facility (AWTF) Improvement Project, Phase I
Category: Building - Construction Projects
Status: Open


Bidders' Questions and Responses / Addenda Log - updated 08/02/2022 (will be updated again before 8/12/22)

Addendum no. 7, posted 08/09/2022Addendum no. 6, posted 08/02/2022Addendum no. 5, posted 07/25/2022Addendum no. 4, posted 07/22/2022Addendum no. 3, posted 07/19/2022 Addendum no. 2, posted 07/12/2022Addendum no. 1, posted 06/24/2022

(Mandatory Pre-bid Conferences Sign-in Sheets from 6/9/22 and 6/16/22)


Engineer’s Estimate $30M - $35M

The City of Arcata is requesting Bids for the Arcata Wastewater Treatment Facilities Improvements Phase 1 Project. The WORK consists of furnishing all labor, materials, equipment, incidentals and performing all work required to complete the Project. The Project includes: 1) Modifications to the influent pump station - headworks and replacement of the influent pumps and bar screens. 2) Demolition and replacement of the grit chamber and grit handling facilities. 3) New influent flow split structure. 4) Modification to Primary Clarifier No. 2. 5) New Oxidation Pond Transfer Structure. 6) Modifications to Oxidation Pond No. 2. 7) Modifications to the Emergency Pond Pump Station. 8) Modifications to the treatment wetlands and structures. 9) Modifications to the Pond Pump Station and Pump Station No. 1. 10) New UV disinfection facilities. 11) Modifications to the chlorine contact basin. 12) New Allen Enhancement Wetland Bypass Structure. 13) Modifications to the enhancement wetlands. 14) Modifications to the Enhancement Wetlands Pump Station. 15) New plant effluent discharge at Outfall 003.

Two mandatory pre-bid conferences for the Project will be held on Thursday, June 9, at 1p.m. PST and Thursday June 16, at 1 p.m. PST; conferences will begin at Arcata City Hall, 736 F Street, Arcata, CA 95521, and be followed by a job walk at the AWTF, 600 South G Street in Arcata. Bids will not be accepted from Bidders that do not attend one of the two mandatory pre-bid conferences.

Sealed Bids will be received by the City Manager’s Office, 736 F Street, Arcata, CA 95521 until the hour of 11:00 a.m. (PST) on Thursday, August 4, August 18, 2022, at which time they will be transferred to the City Council Chamber where they will be publicly opened. Bids must be submitted within a sealed package, marked “AWTF IMPROVEMENTS PHASE 1 PROJECT BID ENCLOSED,” and labeled with the name and address of the Bidder. Bids received after the specified time, or not in the designated manner, will not be considered. Bidder shall be solely responsible for timely delivery of the Bid. All Bids must be in accordance with the Contract Documents on file with the City of Arcata.

Each Bid must be accompanied by a Bid bond, certified check, or cashier’s check, made payable without condition to the City of Arcata in an amount of ten (10) percent of the Bidder’s maximum Bid price.

A Good Faith Effort to meet DBE goals is required for this project. See Section 00820 of the Contract Documents. This Project has a DBE goal of 6.8 6.9%.

This CONTRACT is subject to State contract non-discrimination and compliance requirements pursuant to Government Code, Section 12990.

The City of Arcata hereby notifies all bidders that it will affirmatively insure that any contract entered into pursuant to this advertisement, disadvantaged business enterprises will be afforded full opportunity to submit bids in response to this invitation and will not be discriminated against on the grounds of race, color, sex, or national origin in consideration for an award.

In accordance with California Labor Code Section 1771.4, the Project is subject to compliance monitoring and enforcement by the Department of Industrial Relations (DIR). Each contractor or subcontractor listed on the bid proposal must be registered with the DIR, pursuant to Labor Code section 1725.5. In accordance with California Labor Code Section 1770, et seq., Contractor and subcontractor must submit certified payroll records to the Labor Commissioner.

Pursuant to Section 1773 of the Labor Code, the Director of California DIR has determined the general prevailing rate of wages. Bidders may contact the DIR at (415) 703-4281 for General Prevailing Wage Rates on specific job classifications. Future effective wage rates, which have been predetermined, are on file with the California Department of Industrial Relations. Bidders are advised that if they intend to use a craft or classification not on file in the general wage determinations, they may be required to pay the wage rate of that craft of classification most closely related to it as shown in the general determinations.

The above project is subject to uniform construction cost accounting procedures as set forth in the California Public Contracts Code, Section 22000 et seq., the Uniform Public Construction Cost Accounting Act.

Pursuant to California Public Contracts Code Section 22300, CONTRACTOR may substitute securities in place of any funds retained by the City for WORK performed on this project.

The City of Arcata reserves the right to reject any and all bids.

Publication Date/Time:
6/1/2022 9:00 AM
Publication Information:
Legal Ad to Publish 6/1/22 and 6/8/22
Closing Date/Time:
8/18/2022 11:00 AM
Submittal Information:
See Bid Documents
Bid Opening Information:
08/18/2022, 11 AM
Addendum Date/Time:
#1: 6/24/22, #2: 7/12/22, #3: 7/19/22, #4: 7/22/22, #5: 7/25/22, #6: 8/2/22, #7: 8/9/22
Pre-bid Meeting:
6/9/22 and 6/16/22, @ 1 PM
Contact Person:
Danielle Allred,
Contracts & Special Projects Manager
(707) 825-2101
Download Available:
No fee to download.
Plan & Spec Available:
BIDDING DOCUMENTS for this Project will be available:
• For free download from the City Website under “Bids” and at the Humboldt Builder's Exchange (
• For viewing at the City Manager’s Office, 736 F Street, Arcata, CA 95521.
• For purchase at City Manager’s Office, 736 F Street, Arcata, CA 95521. Bidding Documents are available for purchase in the following formats (costs do not include shipping charges and shall not be refundable):
o Bidding Documents (including Full-Size 22” x 34” Drawings): $1,900
o Bidding Documents (including Half-Size 11” x 17” Drawings): $1,100
o Geotechnical or other informational documents: At cost.
Checks payable to the City of Arcata and shall be mailed or delivered in person to the Contracts and Special Projects Manager. Upon City’s receipt of payment, printed Bidding Documents will be sent via the prospective Bidder’s delivery service. The shipping charge amount will depend on the shipping method chosen.
Business Hours:
Monday - Friday, 9 AM to 5 PM
Fax Number:
CONTRACTOR shall possess a Class “A” license at the time this contract is bid or a combination of classes required by the categories and type of Work included in this contract. All bidders shall be licensed in accordance with the laws of the State of California.
Special Requirements:
Bidder must demonstrate successful completion during the last 5 years of at least 3 water and/or wastewater treatment facility project comparable in nature and scope to this project and one project with a dollar value of at least 80 percent of the value bid for this project.
Related Documents:
View Document(s)

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