Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Preparation of a Preliminary Design Report (PDR), Specifications: including evaluating sewer main sizing/slope, hydraulic capacity of adjacent mains, reviewing CCTV, verifying existing utilities, utility plotting, preparing additional utility investigation/pothole recommendation plan.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Geotechnical exploration and potholing, Specifications: to characterize subsurface conditions, soil classification, groundwater presence, AC core sampling, geotechnical report preparation and pavement design.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Project alignment evaluation and modification, Specifications: to reduce construction costs, provide clearance from existing utilities, adequate access, protect bridge infrastructure, reduce impacts to traffic/environmentally sensitive areas.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Utility and stakeholder coordination, Specifications: conflict checks, revision/resubmission of plans, meeting with utilities, providing updates/correspondence/documentation.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: External agency permitting, Specifications: including Caltrans encroachment permits for freeway crossing.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Engineering support for environmental permit applications and CEQA documentation, Specifications: detailed project description (history, length, methodology, limits, schedule, construction details, equipment list).
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Erosion control plan preparation, Specifications: consistent with City of Vista and state guidelines, completion of City of Vista Stormwater Checklist.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Identification and provision of services for final design, Specifications: including plans, specifications, and cost estimate suitable for competitive bidding.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Preliminary Studies, Specifications: additional utility research, encroachment permits (City of Vista & Caltrans), utility potholing, geotechnical exploration, additional physical surveys, CCTV of existing sewer, groundwater investigations, existing SR-78 bridge research/evaluation, evaluation of alternative technologies/methods.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Predesign Meetings (Kick Off and PDR Meeting), Specifications: preparation of agenda and minutes, presentation of preliminary design efforts.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Basis of Design (BOD) Memorandum, Specifications: technical memorandum identifying detailed design approach, hydraulic calculations for pipeline sizing, discussion of velocity, depth-to-diameter ratio, anticipated alignment, environmentally sensitive habitat avoidance, trenchless sewer installation approach, community impacts, electronic PDF and MS Word formats.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: 30% Design, Specifications: horizontal alignment drawings (environmentally sensitive areas, easements, utilities, manholes, trenchless pits, footprint-based on survey/utility plotting), interim meetings, review meeting, electronic PDF of project plans.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: 60% Design, Specifications: vertical alignment drawings (depth, sensitive areas, easements, utilities, manholes, trenchless pits, footprint-based on survey/utility plotting), interim meetings, review meeting, electronic PDF and AutoCAD file of project plans and easements.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: 90% Design, Specifications: complete design drawings (including calculations), complete specifications (Supplementary General Provisions, Supplementary Technical Provisions, Bid Schedule, Description of Bid Items in GREENBOOK/CSI format), construction cost estimate, review meeting, electronic PDF & AutoCAD of plans, specs, cost estimate.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Final Design, Specifications: Draft full-size signed prints, PDF copy of specifications (boiler plate, appendices), probable construction cost estimate, final calculation package, CAD plans; review meeting; final submittal with required signatures, PDF and CAD format drawings, PDF and MS Word specs.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Bid Support, Specifications: optional attendance at Pre-Bid Meeting, responding to technical questions from bidders.
• Quantity: Not Applicable  Unit: Not Applicable  Work Item: Construction Administration, Specifications: attendance at Pre-Construction Meeting, responding to RFIs, reviewing technical submittals, attending progress meetings, change order assistance, preparing record drawings from redline markups.

NAICS Classification

NAICS 541330 – Engineering Services (Primary focus: civil engineering design, hydraulic analysis, permitting, and construction support for sewer infrastructure projects), NAICS 541360 – Geophysical Surveying and Mapping Services (Geotechnical exploration, subsurface characterization, utility plotting for engineering design), NAICS 541370 – Surveying and Mapping (except Geophysical) Services (Design surveying, physical surveys, utility mapping for project alignment), NAICS 541620 – Environmental Consulting Services (Preparation of environmental permit applications, CEQA documentation, and erosion control plans related to civil engineering projects)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 11, 2026, and was last updated on February 17, 2026. All bids and/or proposals are due on March 30, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Vista City. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Vista City prior to bidding.