Replace Three Variable Frequency Drives for Air Handler Units, National Agricultural Library, Beltsville, Maryland

Solicitation / RFP / RFQ

This solicitation is for the replacement of three Variable Frequency Drives (VFDs) in Air Handling Units #1, #2, and #4 at the National Agricultural Library in Beltsville, Maryland. The government intends to award a single firm-fixed-price contract for this requirement.

• Replacement of faulty VFDs on AHUs #1, #2, and #4.

• The delivery period is 60 days after award.

• Contract Type: Firm-fixed-price.

• Period of Performance: Delivery within 60 days after award.

• Offerors must submit pricing for all items to be considered responsive.

• Quotes will be evaluated based on the lowest price technically acceptable (LPTA) criteria.

• Technical Acceptability will be rated as "acceptable" or "unacceptable" based on the offeror's ability to meet requirements.

• Past Performance will be evaluated as "acceptable," "neutral," or "unacceptable."

• Offerors must provide a detailed explanation of their ability to perform the required services, not just a simple statement of capabilities.

• Offerors must hold prices firm for 90 calendar days from the date specified for receipt of offers.

• Key Deadlines:

  • Offer Due Date: June 16, 2026, 1300 ET.
  • Questions Due: June 12, 2026, 1:00 PM Central Time.

• The solicitation is set aside for Small Business (indicated by checkmark in Block 10, though specific type is not detailed).

• NAICS Code: 238220 (Plumbing and Air-Conditioning Contractors) with a size standard of $19 million.

• Technical data and supporting documentation are available via the "Attachments/Links" section of the posting, including Statement of Work, Submittal Register, Material Submittal Transmittal, and Wage Determination.

• The solicitation incorporates FAR clauses and provisions by reference. Full text is available upon request or at https://www.acquisition.gov/far-overhaul/far-part-deviation-guide/far-overhaul-part-52.

• Specific clauses applicable include FAR 52.212-4 (Terms and Conditions—Commercial Products and Commercial Services) and AGAR 452.203-71 (Anti-Discrimination and DEI Compliance).

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the requirements for replacing three Variable Frequency Drives (VFDs) located on Air Handling Units (AHUs) #1, #2, and #4 at the National Agricultural Library (NAL).

• Replace one VFD on each of AHU-1, AHU-2, and AHU-4.

• Furnish all supervision, labor, material, equipment, and services for the replacement.

• Work must comply with the International Mechanical Code (IMC), and all applicable ASHRAE, Federal, State, and local laws, building codes, and regulations.

• Test functionality of replaced VFDs according to manufacturer recommendations.

• Specific VFD specifications are provided, including:

  • Ambient Temperature ratings (IP20 and IP54)
  • Displacement Power Factor (>0.98)
  • Efficiency (0.95)
  • Enclosure Ratings (IP00, IP20, IP21/NEMA 1, IP54)
  • Input Frequency Range (48–62 Hz ±1%)
  • Input Voltage Range (200–240 V, 380–460 V, 525–600 V, 3 Phase) with ±10% tolerance
  • Maximum Altitude (1000 m)
  • Maximum Short-circuit Current (100,000 A)
  • Output Frequency Range (0–1000 Hz)
  • Output Voltage (0–100% of supply voltage)
  • Power Factor (rated load) (0.90 nominal)
  • Rated Motor Frequency (50/60 Hz)

• Work is to be performed at the National Agricultural Library (NAL).

• NAL operates Monday through Friday, 0800 to 1630 EST/EDT.

• Personnel must be U.S. citizens (native-born or naturalized, not permanent resident aliens).

• Personnel must be able to speak, read, write, understand, and communicate in English.

• Personnel must comply with all government property rules, regulations, and operating procedures.

• Contractor must review the Asbestos Management Plan and test for lead paint before disturbing any materials.

• Contractor must comply with Federal, state, and local safety, health, and environmental laws, including OSHA standards.

• Field verification of dimensions is required before ordering products.

• Project schedule (NLT 5 days after notice to proceed).

• Material submittals (Within 14 days after notice to proceed).

• Order sheet for all materials (NLT 3 days after receiving delivery slip).

• Final report of all tasks completed (NLT 5 days after final walk-through).

• One-year warranty (At the time of final payment request & contract closeout).

Form / Attachment / Pricing Sheet

This document is a Submittal Register dated 5/27/2026, detailing items submitted by a contractor for the replacement of VFDs on AHU #1, #2, & #4 located at NAL, Beltsville, MD 20705.

• Activity No., Transmittal No., Item No., Specification Paragraph No.: Identifiers for each submittal.
• Description of Items Submitted: Lists the items being submitted, including "Schedule" (SOW Pg 10) and "VFDs" (SOW Pg 4).
• Type of Submittal: Indicates the nature of the submission, with an 'X' marking "Schedules" for the first item and "Data" for the second item.
• Classification, Reviewer, Contractor Dates, Contractor Action, Gov't. Action: Fields for tracking the review and approval process.
• Remarks: Provides additional details, such as "Schedule" and "Spec. Sheets."

This register provides insight into the types of documents and information being submitted as part of the contract, specifically related to schedules and VFD specifications. It can help bidders understand the expected submittal process and documentation requirements for similar projects.

Form / Attachment / Pricing Sheet

This document is a "Material Approval Submittal Cover Sheet" used by contractors to submit materials for approval by the government. It serves as a transmittal document for material submittals related to a specific project.

• Submittal Number: Unique identifier for the submittal.
• Previous Submittal Number: Reference to prior submittals if applicable.
• Project Title: "Upgrade Siemens Controllers".
• Contract Number: Field for the relevant contract number.
• Material Details: Sections for Line No., Specification Sect./Para No./Draw No., and Description of Material (including type, model, manufacturer).
• Recommendation Sections: Fields for A&E Recommendation, COR/EPM Recommendation, and Contracting Officer Approval/Disapproval, each with options for APP (Approve), DISAP (Disapprove), and space for comments.
• Resubmittal Clause: Specifies the timeframe for resubmission if an item is disapproved.
• Certification: Contractor's certification that the material complies with contract specifications.
• Signatures and Dates: Fields for Contractor, A&E, COR/EPM, and Contracting Officer.
• Date Received: Fields to track receipt dates from Contractor, A&E, and COR.
• Comments Section: A dedicated section on the reverse for detailed comments related to specific line items.

Bidders responding to the "Upgrade Siemens Controllers" opportunity will need to use this form to submit any materials or equipment for approval as required by the contract. It outlines the process and information required for material approval, ensuring compliance with project specifications.

Form / Attachment / Pricing Sheet

This document is a Wage Determination issued under the Service Contract Act. It lists the minimum wage rates and fringe benefits required for various occupations performing work on federal contracts in specific geographic areas (Virginia, District of Columbia, and Maryland). Bidders must use this information to ensure they are meeting the minimum compensation requirements for their employees working on the contract.

• Occupational Codes and Titles: A comprehensive list of job classifications.
• Wage Rates: The minimum hourly wage required for each occupation.
• Fringe Benefits: Information on required health and welfare benefits, vacation, and holidays.
• Executive Orders: Notes on Executive Order 13706 (Paid Sick Leave) and Executive Order 13658 (Minimum Wage).
• Conformance Process: Instructions for requesting wage rates for occupations not listed in the determination.

This document is critical for bidders to accurately calculate labor costs for their proposals. Failure to comply with the specified wage rates and fringe benefits can lead to contract violations. Bidders must ensure their proposed wages and benefits meet or exceed those listed for all applicable occupations.