15-Project Revisions - Addendum 1.pdf
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- Solicitation number
- TB2712-RIO
- Issued by
- Salt Lake County, Salt Lake City, Utah
About this file
This is Addendum #1 to an Invitation for Bid (IFB) document issued by the Salt Lake City School District (SLCSD) for rooftop solar inverters, optimizers/rapid shutdown/module-level power electronics, and data acquisition systems. The addendum, issued on September 16, 2026, reflects material quantity updates resulting from the removal of the Auxiliary Services Rooftop from the project scope. The revised bill of materials specifies zero units of the SolarEdge 40kW domestic three-phase inverter, four units of the 100kW inverter, two units of the 120kW inverter, eighteen domestic synergy units, 1,390 715W/80V PVSS-compliant optimizers, and two SolarEdge ONE MANAGER data acquisition system units. Supporting data acquisition components include two cell plug-in modules with five-year plans, two irradiance sensors with dual temperature ports, two back-of-module temperature sensors, two ambient temperature sensors, and two CT kits containing six current transformers total. All subcontractors are responsible for reviewing the entire addendum and incorporating these revisions into both the scope of work and project cost.
No additional information regarding pricing terms, contract duration, award dates, response deadlines, set-asides, funding sources, or other financial and administrative requirements is contained within this addendum document. Bidders are directed to reference the primary IFB documents and the Bonfire/U3P platform for complete procurement details and official communications regarding the solicitation.
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Text version
Project Name: TB2712-RIO McKinstry
Invitation for Bid (IFB Document # TB2712-RIO)
Addendum #1
September 16th, 2026
Salt Lake City School District
Invitation for Bids – Rooftop Solar Inverters, Optimizers/Rapid Shutdown/Module-Level Power Electronics, and Data Acquisition
Systems for
Salt Lake City School District
Addendum #1 Narrative –
SLCSD SOLAR INVERTERS, OPTIMIZERS/RAPID SHUTDOWN/MODULE-LEVEL POWER ELECTRONICS, AND
DATA ACQUISITION SYSTEMS IFB
ADDENDUM 1
The below information is to be incorporated into the scope and cost of the project. All subcontractors are responsible for reviewing the entire document.
GENERAL NOTES FOR ADDENDUM #1:
1. Material Quantity Update: Due to recent findings, the Auxiliary Services Rooftop is being removed from this scope. Quantities in the table below have been updated and highlighted to reflect this change.
Item Description Quantity
SOLED USE-SIN-USR0IBNS8 Domestic 3P Inverter 40kW 480V 0
SOLED SE-TRI-US00IBNS4 Domestic 3P Inverter 100kW 480V 4
SOLED SE-TRI-US00IBNS4 Domestic 3P Inverter 120kW 480V 2
SOLED USESUK-USR0INNN8 Domestic Synergy Unit 18
SOLED C651U
Domestic 715W/80V PVRSS Compliant Optimizer 1390
SOLED SE-C1-RUT-WR-MB SolarEdge ONE MANAGER (DAS) 2
*SOLED Cell-B-R05-US-T-S6 *For DAS – Cell plug-in with 5 year plan 2
*SOLED SI-RS485TC-2T-V-MB
*For DAS – Irradiance sensor with 2 temp ports 2
*SOLED TMODUL-SI *For DAS – Back of module temp sensor 2
*SOLED TA-EXT-RS485-MB *For DAS – Ambient temp sensor 2
*CT Kit
*For DAS – Note CT’s are sold individually, 3 CT’s needed per kit (total of 6 CT’s) 2
File details come from the government source that posted it. Updated .