Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Executive Summary (Concise summary of overall scope, approach, outcomes, major findings, recommended improvements, cost-benefit highlights, and proposed 10-year CIP)
• Quantity: -  Unit: -  Work Item: Flow and Load Projections (Prepare annual and peak flow projections, estimate influent loadings for BOD, TSS, nutrients, and solids, describe influence on process modeling and CIP sizing, incorporate regulatory requirements)
• Quantity: -  Unit: -  Work Item: WQCP Configuration Analysis and Process Modeling (Conduct wastewater characterization using City lab facilities, perform steady-state and dynamic simulations for current and future WQCP configurations, build upon existing conceptual plans, calibrate models, document process optimization studies, alternative evaluations, determine configuration changes, provide dynamic simulation tool)
• Quantity: -  Unit: -  Work Item: Unit Process Inspection and Improvement Recommendations (Evaluate underground piping system, recommend cathodic protection or material replacement, reference process modeling and regulatory review results)
• Quantity: -  Unit: -  Work Item: Regulatory Impacts (Identify and assess current and forthcoming regulations from CalRecycle, Regional Water Quality Control Board (NPDES, WRR), Air Pollution Control District, and other agencies; analyze potential impacts on plant configuration, operations, and biosolids management; document compliance gaps, risks, and mitigation strategies)
• Quantity: -  Unit: -  Work Item: Automation and Controls Evaluation (Evaluate existing Allen Bradley Plant Network and PlantPAx systems, MCCs, and control PLC subnets; assess system redundancy, cybersecurity, and scalability; develop modernization and integration strategies; identify end-of-life equipment for replacement)
• Quantity: -  Unit: -  Work Item: Biosolids Management (Evaluate current and future off-site biosolids recycling and alternative treatment/disposal options, analyze capital, operating, and transportation costs, environmental and regulatory implications)
• Quantity: -  Unit: -  Work Item: Organizational Analysis (Review current staffing levels, classifications, and certifications; evaluate staff training, communication, professional culture, and succession planning; compare staffing and compensation structures with peer agencies; identify opportunities for improving redundancy and operational resilience)
• Quantity: -  Unit: -  Work Item: Capital Improvement Program (CIP) Development (Develop prioritized list of projects with descriptions, justifications, estimated costs, implementation sequencing, and funding sources; present 10-year implementation schedule identifying planning, design, and construction phases; include recommendations for phased implementation and funding alignment with regulatory timelines)
• Quantity: -  Unit: -  Work Item: Cost-Benefit and Financial Analysis (Perform comprehensive cost-benefit analyses of alternatives; benchmark against peer cities for $/MGD; estimate costs for new configurations, process improvements, automation, organizational-staffing changes, and biosolids strategies; summarize and recommend CIP and O&M budgets)
• Quantity: -  Unit: -  Work Item: Project Management Plan (Develop and maintain detailed plan outlining communication protocols, meeting frequency, document control, and QA/QC procedures)
• Quantity: -  Unit: -  Work Item: Monthly Progress Reports and Meeting Minutes (Conduct monthly progress meetings, prepare agendas, and submit meeting minutes)
• Quantity: -  Unit: -  Work Item: Technical Memoranda (Draft and final technical memoranda for each Master Plan element)
• Quantity: -  Unit: -  Work Item: Master Plan Report (Draft and final Master Plan report in PDF and editable formats)

NAICS Classification

NAICS 541330 – Engineering Services (Providing comprehensive engineering consulting for wastewater treatment facilities master planning, process analysis, and infrastructure assessment.), NAICS 541620 – Environmental Consulting Services (Conducting regulatory impact analysis, wastewater characterization, and biosolids management studies for water quality control.), NAICS 541611 – Administrative Management and General Management Consulting Services (Performing organizational analysis, financial planning, cost-benefit analysis, and project management for the master plan development.)

Records and Due Date

This bid opportunity was entered into BidAmerica on December 18, 2025, and was last updated on December 17, 2025. All bids and/or proposals are due on February 17, 2026.

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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 Simi Valley 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 Simi Valley City prior to bidding.