Unofficial Notice of Invitation to Bid (NIB)

North County Transit District is seeking bids from qualified and interested contractors for the following project titled, SOF Air Compressor Removal and Replacement, identified under Solicitation ID: 36801. Work is to be performed near 1021 W Washington Ave, Escondido, CA 92025, USA in San Diego County.

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General Project Description

The North County Transit District (NCTD) is soliciting bids for mechanical and electrical services to remove and replace air compressor systems at its SPRINTER Operations Facility in Escondido, California. The project entails the dismantling and offsite disposal of two existing air compressors along with all associated piping, valves, instruments, controls, and appurtenances. A new air compressor will be furnished, delivered, and installed, complete with necessary testing, commissioning, and operator training. Key installation tasks include disconnecting existing electrical and compressed air piping (with proper air purging and refrigeration liquid disposal per EPA guidelines), installing new galvanized steel piping (valves, unions, elbows) to integrate with the existing system, anchoring the new unit per manufacturer specifications, and installing a new intermediate flow-controller regulator. The contractor is also responsible for extensive submittals including product data, detailed schedules, factory/field test reports, and providing operation/maintenance manuals and a 24-month warranty. All work must adhere to applicable industry standards and local, state, and federal regulatory requirements.

General Bid Items

Quantity: 2 Unit: EA Work Item: Demolition, removal, and offsite disposal of existing air compressors, filters, valves, piping, and associated appurtenances.
Quantity: 1 Unit: LS Work Item: Disconnection of electrical connections to existing compressors and air dryers.
Quantity: 1 Unit: LS Work Item: Disconnection of inlet and outlet compressed air piping connections, including purging of air.
Quantity: 1 Unit: LS Work Item: Proper disposal of refrigeration liquid in accordance with Environmental Protection Agency (EPA) guidelines.
Quantity: 1 Unit: EA Work Item: Furnish, deliver, and install one (1) new air compressor.
Quantity: As Required Unit: LS Work Item: Installation of new galvanized steel piping, valves, unions, and elbows to reconnect to the existing system.
Quantity: As Required Unit: LS Work Item: Replacement of all instrumentations as shown in Attachment A.
Quantity: As Required Unit: LS Work Item: Anchoring of new units to the floor following manufacturer guidelines.
Quantity: As Required Unit: LS Work Item: Shorten/extend compressed air tubing via an equivalent line size union fitting and connect to new inlet/outlet points.
Quantity: 1 Unit: EA Work Item: Provide, replace, and install one (1) new intermediate flow-controller regulator within the Compressor Room.
Quantity: 1 Unit: LS Work Item: All necessary testing, placement into service, and commissioning for new air compressor installation.
Quantity: 1 Unit: LS Work Item: Provide proposed training schedule and lesson plans.
Quantity: 4 Unit: HR Work Item: Provide training sessions for new Reciprocating Air Compressors and associated equipment, valves, and instruments.
Quantity: 1 Unit: LS Work Item: Submit Right of Entry Permit / Construction Work Plan, Construction Schedule, Laydown and Staging Areas, Activity Hazard Analysis.
Quantity: 1 Unit: LS Work Item: Submit Schedule of Values.
Quantity: 1 Unit: LS Work Item: Provide As-Built Drawings.
Quantity: 1 Unit: LS Work Item: Provide Operations and Maintenance manuals.
Quantity: 1 Unit: LS Work Item: Provide Manufacturer's and Contractor's Workmanship warranties.

NAICS Classification

NAICS 238220 – Plumbing, Heating, and Air-Conditioning Contractors (Installation and removal of air compressors, associated piping, valves, and related HVAC components)., NAICS 238210 – Electrical Contractors and Other Wiring Installation Contractors (Disconnecting and reconnecting electrical connections for compressors)., NAICS 541330 – Engineering Services (For submittal preparation, design integration, and commissioning oversight inherent in complex industrial installations)., NAICS 238290 – Other Building Equipment Contractors (General activities related to installing specialized industrial equipment not covered by HVAC or electrical).

Records and Due Date

This bid opportunity was entered into BidAmerica on December 31, 2025, and was last updated on December 30, 2025. All bids and/or proposals are due on January 9, 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 North County Transit District. 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 North County Transit District prior to bidding.