N--GC26 SCADA UPS REPLACEMENT

Questions & Answers / Clarifications

This document provides clarifications and answers to questions submitted by potential bidders regarding the GCFD Powerplant UPS (SCADA EACSS) project, following a site visit on April 8, 2026.

• Equipment & System Requirements:
  • A government-provided forklift is available if needed for unloading.
  • Each UPS must support the full load independently; both UPS will share the same battery bank for a 6-hour runtime.
  • All cables will be tested and replaced if testing fails, unless specified otherwise. Some cables are specifically noted for replacement.
  • Sufficient space is available in upper and lower cable trays for routing new cables.
  • No tie breaker is needed between the new PCA and PCB panels.
  • Manufacturer/model numbers for PID bypass and PDUs are not specified; refer to Sections 26 24 41, 26 28 30, and 26 33 53 for requirements.
  • New feeder conductors from D7B to UPS Tie Breaker F0A will be new cable.
  • Commissioning can be performed by the contractor and manufacturer's representatives with government oversight.
• Site Access, Logistics & Layout:
  • A laydown yard at the top of the tunnel is available for staging.
  • Vehicle restrictions include a maximum trailer length of 40' beyond the tunnel.
  • Dumpsters and port-a-potties will be located at the bottom of the tunnel, with additional options at the top laydown yard.
  • Elevator weight limits vary, with specific limits for Power Plant elevators.
  • The contractor's onsite safety representative is permitted to serve in multiple roles.
  • Onsite restroom facilities will NOT be available; contractors must provide temporary facilities.
• Drawings, Locations & Verifications:
  • Drawings 557-D-60173 and 557-D-60174 are to scale for estimating UPS footprint; 557-D-3539 and 557-D-60172 are single-line diagrams.
  • Transformers KMP and KMT are not designated; the reference is likely to transformer KMD.
  • Panel PMD is a disconnect above transformer KMD.
  • Floor plan drawings (557-D-1116, 557-D-1095, 557-D-1096) will be provided with elevations.
  • Specific floor elevations are provided.
  • There is only one battery bank, P1F; drawing 557-D-60172 will be revised to reflect this.
  • Breaker cabinet FBA will be shown on the latest revision of drawing 557-D-60172.
• Outages, Performance Period & Specifications:
  • There is no maximum number of power outages, but minimizing them is preferred.
  • The maximum outage duration is 4 hours, unless alternate power is coordinated with the COR.
  • The 500-day period of performance includes submittals and UPS lead time.
  • Contractor can obtain scrap credit from Page Steel.
  • Connections to Substation breakers D2B and D7B should be made while de-energized.
  • No bid bond is required; standard federal forms (SF 25, SF 25A) are required for performance and payment bonds.

These clarifications address technical details, site logistics, drawing discrepancies, and administrative requirements, providing essential information for bidders to refine their proposals and understand project execution.

Amendment / Modification

This amendment (0005) to solicitation 140R4026R0006 serves the following purposes:

• Provides responses to all questions submitted during the site visit and via email.

• Issues four updated drawings: 557-D-1095, 557-D-1096, 557-D-116 (Updated), and 557-D-60172 22x34.

• Extends the proposal due date from May 18, 2026, to May 26, 2026, at 7:00 a.m. Eastern Time.

• Clarifies that the requirement is anticipated to result in the award of a stand-alone, firm-fixed-price contract.

• Notifies offerors that no additional questions will be accepted.

• Reminds offerors that all amendments must be acknowledged and submitted with their proposals.

• Questions and Answers (provided).

• Drawings (updated and provided).

• Proposal due date (extended).

• Contract type clarification.

• The proposal due date has been extended to May 26, 2026.

• Offerors must acknowledge this amendment and submit it with their proposal.

Form / Attachment / Pricing Sheet

This document is an electrical installation drawing for the Glen Canyon Power Plant, specifically detailing the layout of cable trays at elevation 3153.50 for Bays 5, 6, 7, and 8, as well as the Service and Machine Shop Bays. It serves as a technical attachment to a larger opportunity record, providing critical spatial and routing information for electrical infrastructure.

• Layout Plan: Depicts the physical placement of cable trays, including their designations (e.g., RP5, RP6, RPA, RMB, RMC).
• Equipment Locations: Shows the general locations of major equipment such as Air Conditioning Equipment, Governor Gallery, Domestic Water Pumps, and Air Compressors.
• Explanations: Provides a key to the various cable tray designations and their intended use (e.g., power cables, control cables, telephone cables).
• Annotations: Includes revision history, drawing numbers, and project identification details.

This drawing is essential for bidders to understand the physical constraints and routing requirements for electrical work related to the opportunity. It informs the scope of work, material requirements, and installation complexity for any electrical systems that will interface with or utilize these cable trays. Bidders should review this drawing to assess the spatial considerations for their proposed solutions.

Form / Attachment / Pricing Sheet

This document is a conduit plan and sections drawing (Sheet 1 of 1) for the electrical installation at the Glen Canyon Power Plant, specifically for the Machine Shop and Service Bays at Elevation 3168.50. It details the layout and routing of electrical conduits.

• Floor Plan: Shows the layout of conduits, junction boxes, power receptacles, lighting panelboards, and other electrical components on the floor plan at Elevation 3168.50.
• Sections and Details: Provides cross-sections (Section A-A, Section B-B) and detailed views (Detail A) illustrating conduit routing, sleeves, and connections within walls and floors.
• Notes: Includes general notes on conduit installation, reference to standard cast boxes, and specific instructions for the installation contractor.
• Revision History: Indicates revisions made to the drawing, including the addition of a hole to be cut in switchgear and specific conduit routing.

This drawing is crucial for any bidder involved in the electrical installation for the Machine Shop and Service Bays. It provides the detailed technical specifications for conduit placement, type, and connections, which will directly impact installation planning, material procurement, and execution of work. Bidders must consult this drawing to understand the scope and complexity of the electrical conduit work required.

Form / Attachment / Pricing Sheet

This document is an electrical schematic drawing titled "UNINTERRUPTIBLE POWER SUPPLY REPLACEMENT." It details the electrical connections and components for a UPS system, likely related to a larger project or facility.

• Diagrams: Shows single-line diagrams for UPS I, UPS II, and UPS III panels, including connections to battery charging rooms and control rooms.
• Components: Identifies various electrical components such as circuit breakers (e.g., PE1, PE2, PE3, PE4), UPS units, and other electrical distribution points.
• Notes: Includes a section with numbered notes providing specific details or instructions related to the electrical system.
• Reference Drawings: Lists other related drawings that should be consulted for a complete understanding of the system.
• Title Block: Contains project information, drawing title, drawing number (557-D-50172), revision information, and approval details.

This drawing is crucial for bidders involved in electrical work, UPS system installation, maintenance, or replacement. It provides the technical specifications and layout for the electrical infrastructure, which will inform installation procedures, material requirements, and compliance with design standards. Bidders should review this drawing to understand the scope of electrical work, the specific components involved, and how the new UPS system integrates with existing electrical infrastructure.

Form / Attachment / Pricing Sheet

This document is a drawing titled "GLEN CANYON POWER PLANT ELECTRICAL INSTALLATION CABLE TRAYS LAYOUT PLAN-EL. 3153.50-BAYS 1, 2, 3 AND 4". It provides a detailed layout of cable trays and their associated components within specific bays of the Glen Canyon Power Plant.

• Plan View: Shows the arrangement of cable trays (labeled RP1 through RP8, RPA, RPB, RPC, RPD, RPF) at elevation 3153.50.
• Unit Bays: Identifies Unit Bays 1, 2, 3, and 4, indicating the location of turbines and associated equipment.
• Rooms and Galleries: Depicts areas such as the Battery Room, Governor Gallery, and Toilet areas.
• Explanation Key: Provides a legend for the different cable tray designations (e.g., RP4 for unit control trays, RPA for power cables, RPC for control and telephone cables).
• Reference Drawings: Lists related drawings for cable trays and supports (557-D-2008 through 557-D-1216).
• Title Block: Includes project details, drawing title, revision information, and approval dates.

This drawing is crucial for bidders involved in electrical installation, power plant construction, or maintenance. It details the physical routing and placement of electrical conduits and trays, which directly impacts installation methods, material requirements, and coordination with other trades. Understanding this layout is essential for accurate bidding on related work.

Amendment / Modification

• The proposal due date for solicitation 140R4026R0006 has been extended.

• The original proposal due date of April 27, 2026, has been changed.

• The new proposal due date is May 18, 2026.

Amendment / Modification

This amendment (0003) to solicitation 140R4026R0006, effective March 27, 2026, provides a list of contact information for attendees of a site visit.

• The primary change is the addition of contact details for individuals who attended the site visit.

• This amendment does not appear to alter proposal deadlines, requirements, or evaluation factors. Its purpose is informational, providing contact details for site visit attendees.

Amendment / Modification

This amendment modifies Solicitation 140R4026R0006, dated 03/27/2026.

• Site Visit Information: Provides details regarding the mandatory personal protective equipment (PPE) required for the site visit. Attendees must supply and wear their own safety boots, hard hats, and safety vests.

• Item 14: Description of Amendment/Modification

• No changes to proposal deadlines or submission requirements are indicated by this amendment. It solely provides information related to the site visit.

Solicitation / RFP / RFQ

This document provides information for the "GCFD POWERPLANT UPS (SCADA EACSS)" requirement, identified by solicitation number 140R4026R0006. The acquisition method is contracting by negotiation under FAR Part 15, with specific reference to FAR Part 36 for Construction and Architect-Engineer Contracts.

• The solicitation requires a Technical Approach including a project execution plan, project schedule, and relevant experience.

• A Pricing Proposal must be submitted, complete with pricing in accordance with solicitation requirements.

• Offerors must submit all required documentation to be deemed responsive.

• The contract type is not explicitly stated, but the acquisition method implies a negotiated contract.

• Wage Rate Decision Number AZ20260007 for Coconino County, Arizona (Heavy Construction) applies.

• Payment and Performance Bonds will be required due to the project magnitude (awards over $150,000).

• Proposals must be submitted electronically via email to Megan Swift (Megan_Swift@ios.doi.gov) by the closing date and time.

• The email subject line must be: "Bureau of Reclamation Proposal: GCFD POWERPLANT UPS (SCADA EACSS) – 140R4026R0006".

• Closing Date: April 27, 2026, at 10:00 AM Eastern Daylight Time (EDT).

• Late submissions will not be considered.

• Award will be made using Best Value-Tradeoff evaluation procedures.

• Proposal Acceptance Period: Must be valid for 60 days.

• Not explicitly stated in this document.

• A site visit is strongly urged for April 9, 2026, at 8:30 AM MST in Page, Arizona. Attendance must be confirmed via email.

• Questions regarding the solicitation must be submitted via email to Megan Swift by April 15, 2026, at 10:30 AM EDT. Answers will be provided via amendment.

Amendment / Modification

This amendment modifies the solicitation as follows:

• Site Visit Information: The time for the site visit in Section 6 of the Solicitation Information Page has been corrected from "8:30 AM Mountain Daylight Time (MST)" to "8:30 AM Mountain Standard Time (MST)".

• Questions & Answers (Q&A) Information: Section 7, "Questions & Answers (Q&A) Information," has been added to the Solicitation Information Page.

• Solicitation Information Page, Section 6 (Site Visit Information)

• Solicitation Information Page, Section 7 (Questions & Answers (Q&A) Information)

• The amendment provides updated information regarding the site visit time and adds a section for Q&A. Bidders should refer to the attached "Information sheet AMD1" for the updated version of the Solicitation Information Page.

Other / Unclassified

This document is a General Decision Number (GDN) for wage determinations applicable to heavy dam construction projects in Arizona. It lists prevailing wage rates and fringe benefits for various trades, including Boilermaker, Bricklayer, Carpenter, Millwright, Diver, Electrician, Power Equipment Operator, Ironworker, Painter, Cement Mason/Concrete Finisher, Plumber/Pipefitter, Truck Driver, and Welder.

This document is crucial for any bidder on a federal or federally-funded construction project in the specified Arizona counties that falls under heavy dam construction. Bidders must ensure that the wages paid to laborers and mechanics on the project meet or exceed the rates specified in this determination. Failure to comply can lead to contract violations. The document details specific wage rates and fringe benefits for different job classifications and includes zone pay adjustments based on distance from Phoenix, AZ, for some trades. It also outlines the process for appealing wage determinations and provides contact information for the Department of Labor's Wage and Hour Division.

Solicitation / RFP / RFQ

This solicitation is for the replacement of the Glen Canyon SCADA Uninterruptible Power Supply (UPS) at the Colorado River Storage Project, Arizona. The work involves demolishing and removing the existing SCADA UPS system and associated components, as well as removing conduit and conductors not being reused. A new SCADA UPS system and all necessary components, including new conduit and conductors where needed, will be provided and installed.

• Demolition and removal of existing SCADA UPS system and components.

• Removal of conduit and conductors not being reused.

• Provision and installation of a new SCADA UPS system.

• Installation of all necessary new components, including conduit and conductors.

• The work is estimated to be between $1,000,000 and $5,000,000.

• Contract Type: Firm Fixed Price

• Period of Performance: 545 days from Notice to Proceed.

• Proposals are due by April 27, 2026, at 10:00 AM Eastern Daylight Time (EDT).

• Proposals must be submitted electronically via email to Megan Swift (Megan_Swift@ios.doi.gov).

• Email Subject Line: "Bureau of Reclamation Proposal: GCFD POWERPLANT UPS (SCADA EACSS) – 140R4026R0006"

• Award will be made using Best Value-Tradeoff evaluation procedures.

• Proposal Acceptance Period: Must be valid for 60 days.

• Not specified in the provided pages.

• A site visit is scheduled for April 9, 2026, at 8:30 AM Mountain Daylight Time (MST) at the Bureau of Reclamation Carl Hayden Visitor Center in Page, Arizona. Attendance must be confirmed via email by April 3, 2026.

• Payment and Performance Bonds will be required due to the project magnitude.

• Wage Rate Decision Number: AZ20260007 for Coconino County, Arizona (Heavy Construction).

• Attachments include Specifications, Drawings (11x17 and 22x34), Performance Bond Form, Payment Bond Form, and Wage Determinations.

Form / Attachment / Pricing Sheet

This document is Standard Form 25A, a Payment Bond. It is used to protect persons supplying labor and material for a contract, as required by 40 USC Chapter 31, Subchapter III, Bonds. Bidders may be required to provide this bond as part of their submission or as a condition of contract award.

• Principal: Information about the entity awarded the contract, including name, address, and organization type.
• Surety(ies): Information about the surety company or companies providing the bond, including name, address, and penal sum of the bond.
• Obligation: Details the conditions under which the bond is void, primarily related to the Principal making prompt payment for labor and materials.
• Execution: Spaces for signatures, names, titles, and seals of the Principal and Surety(ies).

Bidders should review this form to understand the requirements for providing a payment bond. If this form is required as part of the solicitation response, bidders must ensure they obtain a surety that meets the government's requirements and complete the form accurately. The penal sum of the bond will be a specified amount, and the surety must be approved by the Department of the Treasury. Failure to provide a correct and acceptable payment bond can result in disqualification or contract award issues.

Form / Attachment / Pricing Sheet

This document is Standard Form 25 (Rev. 10/2023), a Performance Bond. It is required for use in connection with Government contracts. The bond serves as a guarantee that the Principal (the contractor) will perform and fulfill all the terms, conditions, and agreements of the contract, including any extensions or modifications. It also ensures the Principal pays any applicable taxes imposed by the Government on contracts subject to 41 USC Chapter 31, Subchapter III.

• Principal: Requires the legal name and business address of the contractor.

• Surety(ies): Requires the name(s) and business address(es) of the surety or sureties providing the bond.

• Penal Sum of Bond: Specifies the maximum liability amount.

• Contract Date & Number: Identifies the specific contract the bond is for.

• Obligation & Conditions: Outlines the contractor's responsibilities and the conditions under which the bond is voided.

• Execution: Sections for signatures, names, titles, and corporate seals of the Principal and Surety(ies).

• Bond Premium: Fields for Rate Per Thousand and Total.

• Bidders must ensure the Principal's information is accurately entered.

• Authorized persons must sign the bond.

• Corporate sureties must be on the Department of the Treasury's list of approved sureties.

• If multiple corporate sureties are involved, their details must be provided, and their liability may be allocated but must sum to 100% of the penal sum.

• Individual sureties require a completed Affidavit of Individual Surety (Standard Form 28).

• Corporate seals must be affixed by corporations.

This form is a mandatory requirement for certain government contracts. Bidders must understand the requirements for completing and submitting this performance bond to ensure compliance with contract terms and to provide the necessary financial guarantee to the Government.

Form / Attachment / Pricing Sheet

This document contains detailed electrical drawings, including single-line diagrams, panel schedules, power cable and conduit schedules, and wiring diagrams for the SCADA Uninterruptible Power Supply (UPS) Replacement project at Glen Canyon Dam. It provides specific technical information on electrical components, power distribution, and system interconnections.

• Single Line Diagrams (557-D-60172): Illustrates the overall electrical system configuration, including UPS units, switchgear, transformers, and power distribution.
• Equipment Plans (557-D-60173, 557-D-60174): Shows the layout of equipment within the battery charger and battery rooms.
• Panel Schedules (557-D-60175): Details the circuits and loads for various electrical panels (PCA, PCB).
• Power Cable and Conduit Schedules (557-D-60176, 557-D-60177): Specifies cable types, sizes, conduit details, and routing between electrical components.
• Wiring Diagrams (various sheets): Provides detailed wiring information for specific components like UPS cabinets, maintenance bypass cabinets, DC breakers, isolation transformers, and control panels.
• Typical Details (40-D-5370, 104-D-254): Illustrates standard installation practices for buried cables and nameplates.

These drawings are critical for bidders to understand the existing and proposed electrical infrastructure. They define the scope of work related to electrical installations, component specifications, and integration requirements for the SCADA UPS system. Bidders must use these documents to accurately estimate costs, plan installation procedures, and ensure compliance with technical specifications.

Form / Attachment / Pricing Sheet

This document contains detailed wiring diagrams for various components of the SCADA Uninterruptible Power System (UPS) at the Glen Canyon Dam Power Plant. It serves as a reference for installation, maintenance, and troubleshooting.

• Single-Line Diagram (557-D-3539): Provides an overview of the entire UPS system, including power sources, transformers, UPS units, batteries, distribution panels, and key components.
• Wiring Diagrams: Detailed schematics for specific cabinets and panels, including:
  • UPS Cabinet (P1A) Wiring Diagram (557-D-3654)
  • Maintenance Bypass Cabinet (P1C) and Distribution Board (P1D) Wiring Diagram (557-D-3656)
  • Magnetic Synthesizer (P1E) and Isolation Transformer (P1J) Wiring Diagram (557-D-3657)
  • DC Breakers (P1G, P1H) and Battery (P1F) Wiring Diagram (557-D-3658)
  • Power Distribution Center (PCA) Receptacles Wiring Diagram (557-D-3691)
  • Power Distribution Center (PCB) Receptacles Wiring Diagram (557-D-3692, 557-D-3693)
  • Computer Room Fire Control Panel (FCA) External Wiring Diagram (557-D-3769)
  • Telephone Room UPS Panel (DAA) Wiring Diagram (557-D-3800)
  • UPS Panel (DMD), Transformer (KMD), and Disc. Sw. (PMD) Wiring Diagrams (557-D-3851)
• Panel Schedules: Lists circuits, ratings, and uses for various distribution panels (PCA, PCB, DAA, DMD).
• Notes and References: Provides important installation instructions, safety warnings, and cross-references to other relevant drawings.

These diagrams are crucial for understanding the existing electrical infrastructure related to the SCADA UPS system. Bidders involved in any work affecting this system, such as upgrades, replacements, or integrations, will need to consult these diagrams to ensure compatibility, proper connections, and adherence to existing configurations and safety standards. They detail the specific wiring, component locations, and power distribution pathways.

Form / Attachment / Pricing Sheet

This document, "Attachment 1," provides the "Specifications" for the "Glen Canyon SCADA Uninterruptible Power Supply Replacement" project at the Colorado River Storage Project, Arizona. It details the requirements and standards for the electrical work involved in replacing the SCADA Uninterruptible Power Supply (UPS).

• Division 01 - General Requirements: Covers administrative and procedural requirements, including summary of work, submittals, safety, site security, and commissioning.
• Division 26 - Electrical: Details specific electrical requirements, including basic electrical materials and methods, conductors and cables, raceways and boxes, distribution panelboards, transformer load centers, enclosed circuit breakers, static uninterruptible power supply, and wiring checkout and tests.
• Division 52 - Drawings: References the drawings associated with the project.

This attachment is crucial for bidders as it outlines the technical specifications and requirements for the SCADA UPS replacement. It details the scope of work, materials, installation methods, and testing procedures that must be followed. Understanding these specifications is essential for developing an accurate proposal and ensuring compliance during project execution.

Solicitation / RFP / RFQ

This is a presolicitation notice for the replacement of the SCADA Uninterruptible Power Supply (UPS) at the Glen Canyon Dam facility. The work involves demolishing and removing the existing SCADA UPS system and associated components, and installing a new SCADA UPS system with all necessary components, conduit, and conductors.

• Demolition and removal of existing SCADA UPS system and associated components.

• Installation of a new SCADA UPS system.

• Performance of all electrical modifications, terminations, labeling, testing, commissioning, and cutover to minimize downtime.

• Provision of shop drawings, submittals, factory/start-up support, and training for operations staff.

• Delivery of acceptance testing, as-built documentation, O&M manuals, and warranty support.

• The UPS must be a brand name or equal: Schneider Electric 480V UPS with External-Battery.

• Specific technical requirements for system capacity, AC power input, voltage range, Total Harmonic Current Distortion (THD), battery capacity, AC power output, short circuit rating, bolt and lug size, external battery bank, enclosure (NEMA 1 or better), communications (Modbus TCP/IP or DNP3, alarm inputs/outputs, serial), swappable power modules, draw-out assemblies, voltage regulation, equipment nameplates, surge protection (VPR, SCCR), and visual status indicators.

• Contract Type: Firm-Fixed-Price

• Period of Performance: 545 days from Notice to Proceed (NTP)

• Magnitude of Construction: Between $1,000,000 and $5,000,000

• Wage Determination: Construction Wage Rate Requirements (Davis-Bacon) will apply.

• Bonds: Performance and Payment Bonds are required.

• This notice is not a request for proposals; the complete solicitation will be posted on SAM.gov.

• Offers will be evaluated per FAR Part 15.

• Evaluation factors may include price, technical capability, past performance, and schedule.

• Anticipated date of award: July 1, 2026

• Total Small business set-aside.

• Offerors must be registered in SAM.gov with a valid UEI.

• Place of Performance: Glen Canyon Dam, Hwy 89, Page, AZ 86040.

• Points of Contact: Megan Swift (Contract Specialist) and Lisa Laughbon (Contracting Officer).

• The Bureau of Reclamation follows internal procedures for timely definitization of equitable adjustments for change orders.

Other / Unclassified

This document is a Sources Sought Notice for the GCFD POWERPLANT UPS (SCADA EACCS) project. The Bureau of Reclamation is conducting market research to identify qualified businesses capable of performing the following work: purchasing and installing a new Uninterruptible Power Supply (UPS) and associated components for an existing SCADA system, removing and disposing of the existing UPS and components, removing and providing new conduit and conductors as needed, and performing all associated electrical work, integration, and testing. The work must comply with Bureau of Reclamation standards and applicable federal, state, and local codes. The UPS will be solicited as brand name or equal.

This notice is for market research purposes only and does not constitute a solicitation. It aims to identify potential contractors for a project involving UPS installation and SCADA system integration. Interested parties are requested to submit a response including company information, business size, UEI number, a capability statement demonstrating relevant experience (UPS installation, SCADA integration, electrical equipment removal/disposal, similar size projects), bonding capacity, and past performance details. Responses are limited to 3 pages and must be submitted via email by January 28, 2025, 9:30 am Eastern. No reimbursement will be made for costs associated with responding to this notice.