Unofficial Notice of Invitation to Bid (NIB)

Orange County is seeking bids from qualified and interested contractors for the following project titled, South Region Groundwater and Liquid Conveyance Systems Maintenance, identified under Solicitation ID: RFP-299-2958401-NA. Work is to be performed near 32250 Avenida La Pata, San Juan Capistrano, CA 92675, USA in Orange County.

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General Project Description

This Request For Proposal (RFP) is for Operation and Maintenance (O&M) services for the South Region Groundwater Extraction System (GES) and various liquid conveyance systems across multiple landfill sites within Orange County, California. The scope includes routine and preventive maintenance, inspection, repair, and reporting for the Prima Deshecha Landfill's GES, reclaimed water, potable water, leachate collection/storage, and landfill gas condensate collection/storage systems. It also covers maintenance, inspection, and repair of groundwater monitoring wells at Prima Deshecha, Coyote Canyon, Forster Canyon, Lane Road, and San Joaquin closed landfill sites. Non-routine repairs, special services, emergency call responses (during and outside normal business hours), and groundwater monitoring well sampling are required. Contractor responsibilities include providing all labor, materials, tools, equipment, and transportation; keeping work areas clean; off-site disposal of debris and wastes; daily, weekly, and monthly inspections and reporting; and maintaining a spare parts inventory. Project personnel must have relevant experience, and the contractor must comply with extensive safety, regulatory, and permitting requirements.

General Bid Items

Quantity: 12 Unit: Monthly Work Item: Prima Deshecha Routine and Preventive Maintenance, Inspection, Repair, and Reporting (as described in Task 1)
Quantity: 12 Unit: Monthly Work Item: Coyote Canyon and Closed Sites Routine and Preventive Maintenance, Inspection, Repair, and Reporting (as described in Task 2)
Quantity: 12 Unit: Monthly Work Item: Generate and Maintain Inventory Report of Spare Parts (as described in Task 3)
Quantity: 1 Unit: Hourly Work Item: Non-Routine Repair and Special Services - SUPERVISORY CLASSIFICATION (as described in Task 4)
Quantity: 1 Unit: Hourly Work Item: Non-Routine Repair and Special Services - NON-SUPERVISORY CLASSIFICATION (as described in Task 4)
Quantity: 1 Unit: Hourly Work Item: Non-Routine Repair and Special Services - TECHNICAL CLASSIFICATION (as described in Task 4)
Quantity: 1 Unit: Hourly Work Item: Emergency (Normal Business Hours) Calls and Response (Monday through Friday) - SUPERVISORY CLASSIFICATION (as described in Task 5)
Quantity: 1 Unit: Hourly Work Item: Emergency (Normal Business Hours) Calls and Response (Monday through Friday) - NON-SUPERVISORY CLASSIFICATION (as described in Task 5)
Quantity: 1 Unit: Hourly Work Item: Emergency (Normal Business Hours) Calls and Response (Monday through Friday) - TECHNICAL CLASSIFICATION (as described in Task 5)
Quantity: 1 Unit: Hourly Work Item: Urgent Calls and Response (Monday through Friday) - SUPERVISORY CLASSIFICATION (as described in Task 6)
Quantity: 1 Unit: Hourly Work Item: Urgent Calls and Response (Monday through Friday) - NON-SUPERVISORY CLASSIFICATION (as described in Task 6)
Quantity: 1 Unit: Hourly Work Item: Urgent Calls and Response (Monday through Friday) - TECHNICAL CLASSIFICATION (as described in Task 6)
Quantity: 1 Unit: Per Well Work Item: Groundwater Monitoring Well Sampling (as described in Task 7)
Quantity: 1 Unit: LS Work Item: Inspect Compressor House compressors (Weekly)
Quantity: 1 Unit: LS Work Item: Check Compressor House compressor oil level
Quantity: 1 Unit: LS Work Item: Inspect Compressor House filter panel
Quantity: 1 Unit: LS Work Item: Check Compressor House air filter (replace as necessary)
Quantity: 1 Unit: LS Work Item: Check Compressor House belts (replace as necessary)
Quantity: 1 Unit: LS Work Item: Check Compressor House safety relief valve
Quantity: 1 Unit: LS Work Item: Check Compressor House blowdown system, including condensate trap
Quantity: 1 Unit: LS Work Item: Check Compressor House water and air lines, piping, and valves
Quantity: 1 Unit: LS Work Item: Record Compressor House: hour meter, flowmeters M1 through M5, air pressure, and air pressure to the pump controller
Quantity: 1 Unit: LS Work Item: Inspect Compressor House electrical panel components
Quantity: 1 Unit: LS Work Item: Keep Compressor House area clean and free from debris
Quantity: 1 Unit: LS Work Item: Inspect Storage Tank Area storage tank and record inspection
Quantity: 1 Unit: LS Work Item: Check and record Storage Tank Area storage tank level
Quantity: 1 Unit: LS Work Item: Clean Storage Tank Area sight tube
Quantity: 1 Unit: LS Work Item: Inspect Storage Tank Area second containment and record conditions
Quantity: 1 Unit: LS Work Item: Check Storage Tank Area second containment float switch
Quantity: 1 Unit: LS Work Item: Check Storage Tank Area sump pump
Quantity: 1 Unit: LS Work Item: Record Storage Tank Area unloading flowmeter
Quantity: 1 Unit: LS Work Item: Keep Storage Tank Area clean
Quantity: 1 Unit: LS Work Item: Inspect Extraction Wells E1 through E4 well vault
Quantity: 1 Unit: LS Work Item: Check Extraction Wells E1 through E4 pump controller
Quantity: 1 Unit: LS Work Item: Check Extraction Wells E1 through E4 air and water lines
Quantity: 1 Unit: LS Work Item: Replace dirty or damaged filters in Extraction Wells E1 through E4
Quantity: 1 Unit: LS Work Item: Record Extraction Wells E1 through E4 ejector, inch water column, cycle count, fill time setting, empty time setting, bubbler psi, controller psi, and ejector psi
Quantity: 1 Unit: LS Work Item: Keep Extraction Wells area clean
Quantity: 1 Unit: LS Work Item: Clean and test compressors (Monthly)
Quantity: 1 Unit: LS Work Item: Inspect and clean sumps in Storage Tank Area (Monthly)
Quantity: 1 Unit: LS Work Item: Inspect and ensure proper operation of transfer pump in Storage Tank Area (Monthly)
Quantity: 1 Unit: LS Work Item: Inspect Fire Water System Tanks, Valves, and Levels (Monthly)
Quantity: 1 Unit: LS Work Item: Operate/Cycle Underground Gate Valves and Stem Outlet in Fire Water System (Monthly)
Quantity: 1 Unit: LS Work Item: Inspect for damaged threads and caps in Fire Water System (Monthly)
Quantity: 1 Unit: LS Work Item: Inspect for vehicle protection and outlet accessibility in Fire Water System (Monthly)
Quantity: 1 Unit: LS Work Item: Inspect for Markers to clearly identify location of hydrant in Fire Water System (Monthly)
Quantity: 1 Unit: LS Work Item: Conduct a flush of each fire hydrant to ensure proper water supply (Monthly)
Quantity: 1 Unit: LS Work Item: Lubricate control valves, stem, and outlets in Fire Water System (Monthly)
Quantity: 1 Unit: LS Work Item: Check piping and stand integrity at Truck Loading and Manifold Stations (Monthly)
Quantity: 1 Unit: LS Work Item: Check unloading hose and fittings at Truck Loading and Manifold Stations (ensure proper operation) (Monthly)
Quantity: 1 Unit: LS Work Item: Check all gaskets at Truck Loading and Manifold Stations (replace if damaged) (Monthly)
Quantity: 1 Unit: LS Work Item: Ensure all valves are in operating conditions and can be opened and closed smoothly at Truck Loading and Manifold Stations (Monthly)
Quantity: 1 Unit: LS Work Item: Change compressor oil (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Change compressor air filter (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Check compressor belt (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Clean particulate filter (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Clean oil coalescer (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Check safety relief valve (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Check pressure switch (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Check entire system for air and water leaks (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Alternate starting compressor and backup compressor (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Perform Visual External and Internal Inspections for Valve Maintenance (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Remove debris, dirt, and grime from valves and actuators (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Perform Exercising Valves / Performance Tests (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Apply appropriate Lubrication to all moving parts (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Perform Calibration and/or Adjustments to ensure valve seats are properly aligned for optimal seating (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Identify and address potential problems before they cause system interruption (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Conduct inspections to ensure correct electrical control signals are sent to control systems (Electrical, Hydraulic, Pneumatic) (Quarterly/500 hours)
Quantity: 1 Unit: LS Work Item: Adjust Ejector pump controller (E1-E4) (As Needed)
Quantity: 1 Unit: LS Work Item: Overhaul Ejector pump controller (E1-E4) (As Needed)
Quantity: 1 Unit: LS Work Item: Adjust Ejector pump depth (E1-E4) (As Needed)
Quantity: 1 Unit: LS Work Item: Replace Ejector pump (E1-E4) (As Needed)
Quantity: 1 Unit: LS Work Item: Redevelop the wells (E1-E4) (As Needed)
Quantity: 1 Unit: LS Work Item: Clean all extraction well areas of debris and weeds (As Needed)

NAICS Classification

221310 – Water Supply and Irrigation Systems (Maintenance of groundwater extraction and liquid conveyance systems), 237110 – Water and Sewer Line and Related Structures Construction (Maintenance and repair of liquid conveyance systems and sewer lines), 541620 – Environmental Consulting Services (Groundwater monitoring, sampling, waste management plans, and regulatory compliance assistance), 562910 – Remediation Services (Groundwater extraction systems for environmental remediation at landfill sites), 562212 – Solid Waste Landfill (Operation and maintenance services at active and closed landfill facilities)

Records and Due Date

This bid opportunity was entered into BidAmerica on November 26, 2025, and was last updated on December 22, 2025. All bids and/or proposals are due on January 5, 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 Orange County. 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 Orange County prior to bidding.