Construction Services for Protection Relays Replacement Programs.pdf

PDF 168 KB Posted Sep 30, 2026

Attached to: Construction Services for Protection Relays Replacement Programs
Solicitation number: 560
Issued by: Imperial County, Huntington Beach City, California

About this file

Written by GovTribe AI · Oct 1, 2026

This is a Request for Proposal (RFP) document issued by the Imperial Irrigation District (IID), a California irrigation district providing non-potable water, farm drainage, and power services across approximately 6,611 square miles in the lower southeastern portion of California's desert. IID is soliciting proposals for construction services to support its Protection Relays Replacement Program, specifically to upgrade existing relay protection infrastructure with microprocessor-based equipment at designated substation locations throughout IID's 147 substations, generation stations, switching stations, and mini substations operating at voltage levels ranging from 230 kV to 12.47 kV. The solicitation (SRFP 560) was posted on September 29, 2026, with proposals due by November 24, 2026 at 5:00 PM (PDT). A mandatory pre-bid meeting will be held via phone conference on October 20, 2026 at 10:00 AM (PDT), with attendance required and confirmation necessary by October 19, 2026 at 5:00 PM. Prospective respondents must be present at the start of the mandatory meeting, and failure to attend the entire meeting will disqualify their proposal submission. Questions regarding the RFP must be submitted by November 3, 2026, with responses provided by November 5, 2026.

Only firms possessing both a current, valid Class A General Engineering Contractor license and a C-10 Electrical Contractor license are eligible to submit proposals. The contract will be awarded on a lump sum basis. Interested vendors should direct inquiries to Marty P. Holbrook, purchasing agent, at purchasing@iid.com or 760-339-9270 (contact: Jasmine Ramirez, jasramirez@iid.com), and may access additional solicitation documents and submit bids through the PlanetBids Vendor Portal. The work encompasses multiple construction service categories including general construction, heavy construction, electrical construction, equipment maintenance and repair, construction management, and utility substation construction services.

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Imperial Irrigation District

Opportunity Detail

Pre-Bid Meeting Information

Construction Services for Protection Relays Replacement Programs SRFP 560

Title Construction Services for Protection Relays Replacement Programs Invitation # SRFP 560

Posting Date 09/29/2026 2:31 PM (PDT) Project Stage Bidding Bid Due Date 11/24/2026 5:00 PM (PDT)

Response Format Paper

Type RFP (Request for Proposal) Response Types Cost File

Type of Award Lump Sum Categories 69000 - Power Generation Equipment, Accessories, And Supplies

90638 - General Construction - Architectural 90668 - Power Generation, Transmission, Distribution - Architectural 90900 - Building Construction Services, New (Incl. Maintenance And Repair Services) 90922 - Building Construction, Non-Residential (Office Bldg., Etc.)

91200 - Construction Services, General (Incl. Maintenance And Repair Services) 91300 - Construction Services, Heavy (Incl. Maintenance And Repair Services)

91400 - Construction Services, Trade (New Construction) 93600 - Equipment Maintenance And Repair Services For General Equipment 94100 - Equipment Maint, Repair, And Related Services For Power Generation And Transmission Equip.

95826 - Construction Management Services 91240 - Demolition Services, Construction services 159465 - Power Generation-Control Equipment 159468 - Power Trans and Distr-Batteries-Substation 159470 - Power Trans and Distr-Distribution Equipment and Materials 159481 - Power Trans and Distr-Relay Equipment and Material 159482 - Power Trans and Distr-Substation/Transmission Equipment and Materials 159575 - Services-Utility Substation Construction 159579 - Power Trans and Distr-Substation Connectors 159580 - Services-Energy Storage Construction, Utility Scale

License Requirements Only persons or firms possessing a current, valid Class A General Engineering Contractor license and a C-10 Electrical Contractor Licenses will be considered for this work. Refer to the Proposal Information document

Department IID-Purchasing Section Address 235 East Barioni Boulevard

Imperial, California 92251

County Imperial

Offer Valid Liquidated Damages Estimated Bid Value Start/Delivery Date

Project Duration

Pre-Bid Meeting Yes Meeting Type Onsite

Date & Time 10/20/2026 10:00 AM (PDT) Address Firms planning to attend MUST confirm their attendance via email to purchasing@iid.com

Attendance Required Yes Additional Details Mandatory Meeting via Phone Conference

There will be a mandatory meeting conducted via phone conference which will be held on Tuesday, October

9/30/26, 11:04 AM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/56032/bo/bo-detail/146742#bidInformation 1/2

Online Q&A

Contact Information

Description

Search & Bid on Thousands of Contracts

20, 2026 at 10:00 a.m., Local Time. Firms planning to attend MUST confirm their attendance with Mr. Marty P. Holbrook, purchasing agent via email to purchasing@iid.com by 5:00p.m. Monday, October 19, 2026 to receive the conference call number and PIN. Responses will not be accepted from respondents not attending this mandatory meeting (See attached files). Prospective respondents must be present at the start of the mandatory meeting. Anyone not signed in at the official start of the meeting will be considered late and will not be allowed to submit a proposal. Anyone who does not attend the entire mandatory meeting will not be credited with attending.

Online Q&A No

Contact Info Jasmine Ramirez 760-339-9270 jasramirez@iid.com

Bids to Owner's Agent

Scope of Services Imperial Irrigation District (IID), an irrigation district established under Division 11 of the California Water Code, Sections 20500 et seq., that provides non-potable water, farm drainage and power services to the lower southeastern portion of California's desert, is requesting proposals from highly qualified Respondents to support the Substation Construction section with its Protection Relays Replacement Program.

IID’s service area of approximately 6,611 square miles, covers all the Imperial Valley, Coachella Valley in Riverside County, and a small portion of San Diego County. The IID power system includes 147 substations, generation stations, switching stations, and mini substations with voltage levels that include 230 kV, 161kV, 92kV, 34.5Kv, 12.47kV. The intent of this solicitation is to upgrade the existing Relay Protection infrastructure utilizing microprocessor-based equipment at indicated Substation locations. IID’s service area is depicted in Attachment D.