HVAC Repair Phase 2B, 3A, 3B

This document is Amendment 0002 to Solicitation 1232SA26Q0056, issued by the USDA ARS Acquisition and Property D. The amendment, effective February 3, 2026, adds several attachments to the solicitation package. These attachments include Addendum_01_Cover, Addendum-01_Phase 2B_Spec_01 00 11_General-Paragraphs, Addendum-01_Phase 2B_Spec_22 00 00_Plumbing-General-Purpose, Addendum-01_Phase-2B_Drawings_Combined, Addendum-01_Phase-3A_Drawing_G002_Phasing-Plan, Addendum-01_Phase-3B_Drawing_G002_Phasing-Plan, and Combined RFI Responses. The solicitation response date remains unchanged and is not extended. Offerors must acknowledge receipt of this amendment by completing and returning copies of the amendment, acknowledging receipt on their offer, or through a separate communication referencing the solicitation and amendment numbers. Failure to acknowledge receipt by the specified date and time may result in the rejection of an offer.

Addendum #1, issued on March 5, 2026, details updates for the "Design New HVAC System and Associated Upgrades B001 & B001A" project for Phases 2B, 3A, and 3B at DBNRRC in Stuttgart, AR. This addendum includes 17 (8 x 11) and 7 (24 x 36) pages. Key changes involve replacing Section 01 00 11 (General Paragraphs) and Section 22 00 00 (Plumbing, General Purpose) for Phase 2B specifications. Drawing updates include replacing Drawing G-002 (Phasing Plan) for Phases 2B, 3A, and 3B. Additionally, new drawings for Phase 2B were added: A-103 (Headhouse Reflected Ceiling Plan), MD104 (Headhouse Mechanical Piping Demo. Plan), MP102 (Headhouse Mechanical Piping Plan), and M-603 (Headhouse Mechanical Schedules).

The document outlines the scope of work for Phase 1B and Phase 2B of the New HVAC System and Associated Upgrades B001 & B001A project at the Dale Bumpers National Rice Research Center (DBNRRC) in Stuttgart, AR. The project involves replacing and modifying air distribution systems, heating hot water systems, chilled water piping, and deionized piping in areas served by existing Air Handling Unit AHU-5 and AHU-4. Work also includes replacing ceilings, lighting, and greenhouse evaporative cooling pads. The contractor must coordinate with the Phase 2A contractor, maintain facility operations during construction, and complete work within 270 calendar days, with lab and office work completed within 120 days from demolition start. A site visit is strongly urged for potential bidders, and strict coordination, safety, and utility shutdown procedures are detailed.

This government file,

The document outlines the multi-phase renovation project for a USDA facility, focusing on mechanical system upgrades in the Headhouse and Greenhouses (Phase 2B Sequence 1 and 2). It details general contractor requirements, including maintaining building operations, protecting personnel and property, and coordinating work with USDA. A strict phasing legend dictates the order of construction (Phase 2A → Phase 2B Sequence 1→ Phase 2B Sequence 2→ Phase 3A → Phase 3B), with specific concurrent work allowed for Phase 2B. Key tasks involve the removal and reinstallation of light fixtures, hydronic heating equipment, piping insulation, and ceiling systems. The contractor is responsible for protecting fire alarm and sprinkler systems daily, repairing any damage, and ensuring full operational status upon project completion. The plans include detailed demolition and new work for hot water reheat coils, VAV boxes, and associated piping, requiring field verification of existing conditions and adherence to schedules for new heating coils and VAV terminals.

This document outlines the phased renovation plan for a government building, specifically detailing work during

The USDA HVAC Repair DBNRRC document addresses numerous contractor inquiries regarding an HVAC repair project. Key clarifications include the allowance for a qualified site supervisor to fulfill OSHA roles, with no full-time OSHA person required, and the necessity for temporary barriers using plastic sheeting in unoccupied construction areas. The fire suppression system is currently inoperable but will not be repaired as part of this project phase to avoid damage to new ceilings. Phased project completion is mandatory, with each phase concluding before the next begins. Contractors must provide their own temporary toilets and office space. Security involves sign-ins and temporary badges/PINs, with no background checks. The document also details specific requirements for lighting fixtures, electrical panels, and the integration of new systems with existing Alerton and TSI lab controls.

The document outlines the phasing and operational requirements for a renovation project, specifically focusing on Phase 3B while noting other phases not in contract. Key requirements include maintaining building occupancy and operations in non-work areas, coordinating work activities with the Contracting Officer to avoid conflicts, and implementing extensive safety measures such as barriers and signage. The contractor must provide a work plan detailing how the building will remain occupied, protect furnishings, and coordinate staging areas with USDA personnel. Work limits are defined by hatched areas, but may extend to adjacent spaces requiring restoration. The document mandates a strict construction phasing sequence (Phase 2A → Phase 2B Sequence 1→ Phase 2B Sequence 2→ Phase 3A → Phase 3B), with each phase requiring completion and acceptance before the next begins. Deviations require prior written approval. Additional instructions cover the removal, retention, and reinstallation of light fixtures during hydronic heating equipment and piping insulation work, with responsibility for damage repair falling on the contractor. Daily protection of fire alarm and sprinkler systems from dust and debris is also required, with coverings removed at the end of each workday or if unattended for over four hours, and damage requiring contractor repair.

The document outlines Phase 3B of the project to design a new HVAC system and associated upgrades for the USDA Agricultural Research Service, Dale Bumpers National Rice Research Center (DBNRRC) in Stuttgart, Arkansas. The project involves extensive demolition and new work plans for mechanical, electrical, and piping systems, with a focus on HVAC and lighting. Key aspects include the demolition of existing VAV terminal boxes, ductwork, and piping, followed by the installation of new HVAC systems, including VAV boxes, supply and return air ductwork, and associated controls. The project emphasizes coordination with other trades, protection of personnel and equipment in occupied areas, and adherence to various standards such as SMACNA and ASHRAE 189.1. Detailed schedules for single duct VAV terminal units, fire dampers, and grilles/registers/diffusers are provided, along with general mechanical and electrical notes. The control sequences for Variable Air Volume (VAV) boxes and demand-controlled ventilation for the auditorium, including CO2 sensors and airflow monitoring, are also specified. The project requires all equipment to comply with the "Buy American Act" and stresses the importance of protecting existing communication infrastructure.

This document outlines a request for proposal (RFP) for HVAC repair services, specifically detailing three phases: 2B, 3A, and 3B. The RFP specifies that offer prices for each CLIN (Contract Line Item Number) must be rounded to the nearest dollar amount, with no cents provided for any CLIN. The document serves as a pricing table for potential contractors to submit their bids for the HVAC repair work, ultimately leading to a contract total that includes all options. This structure is typical for government procurement, ensuring clear pricing guidelines for services rendered.

This document, General Decision Number AR20260018, outlines prevailing wage rates and fringe benefits for various construction trades in Arkansas, specifically in Arkansas, Ashley, Bradley, Chicot, Desha, Phillips, and Prairie Counties. It covers Building Construction and details rates for electricians, power equipment operators, ironworkers, painters, plumbers, sheet metal workers, bricklayers, carpenters, cement masons, laborers, backhoe/excavator/trackhoe operators, bulldozer operators, and dump truck drivers. The document also includes important notes regarding Executive Order (EO) 13706, which mandates paid sick leave for federal contractors, and Executive Order 13658, which sets a minimum wage for certain federal contracts. Furthermore, it explains the identifiers for union, union average, survey, and state-adopted wage rates and provides a detailed appeals process for wage determination matters, including initial decisions, review by the Wage and Hour Administrator, and appeals to the Administrative Review Board.

This government solicitation requires mandatory site visit attendance on February 18, 2026, at 10:00 AM local time for all contractors wishing to submit an offer. Registration for the site visit is compulsory and must be completed by emailing kelly.wright@usda.gov, raeann.braithwaite@usda.gov, and robert.ideker@usda.gov with the subject line “1232SA26Q0056 Site Visit Registration” by February 16, 2026. Unregistered contractors will be denied access. All questions regarding the solicitation must be submitted via email to kelly.wright@usda.gov by February 20, 2026, at 10:00 AM Central Time, with the solicitation name and number in the subject line.

The USDA ARS Acquisition and Property D has issued Solicitation Number 1232SA26Q0056, a Request for Quotation (RFQ) for HVAC Repair Phases 2B, 3A, and 3B at the Dale Bumper National Rice Research Center (DBNRRC) in Stuttgart, AR. This acquisition is a total small business set-aside under NAICS code 238220 (Plumbing, Heating, and Air-Conditioning Contractors). The solicitation requires offerors to be registered with SAM and includes numerous FAR and AGAR clauses, covering aspects like inspection, changes, warranties, and various social and economic programs. Key personnel, such as a Site Superintendent and Project Manager, are required. Submissions, including a completed SF 1442, a bid bond, and a technical approach, are due by March 5, 2026. The contract is a firm-fixed-price award, with one award anticipated.

This government file outlines the specifications for Phase 2B of the USDA-ARS Dale Bumpers National Rice Research Center project in Stuttgart, AR. The project, titled "Design New HVAC System and Associated Upgrades B001 & B001A," involves replacing the existing air distribution system for rooms served by AHU-5, modifying and reconfiguring exhaust systems, removing and replacing ductwork, exhaust fans, air terminal devices, diffusers/grilles, fume hoods, and HVAC controls. Additionally, the project includes rerouting heating hot water piping, replacing insulation on heating hot water and chilled water piping, replacing deionized piping with stainless steel, and renovating ceilings, lighting, and greenhouse evaporative cooling pads. The document details general requirements, including a one-year warranty of construction, site visit information, coordination of work (requiring completion within 270 days and laboratory work within 120 days), safety protocols, security requirements, fire safety plans, and waste management procedures with a minimum 10% diversion from landfills. The contractor is responsible for quality control, adhering to OSHA and NFPA standards, and providing daily reports and safety plans.

This government file details Phase 3A of the project to design a new HVAC system and associated upgrades for the USDA-ARS Dale Bumpers National Rice Research Center (DBNRRC) in Stuttgart, AR. The project, under Contract No. 12405B21D0003 and Task Order No. 12405B23F0300, involves replacing the air distribution system, modifying existing ductwork and exhaust systems, rerouting heating hot water piping, and replacing insulation, ceilings, and lighting. Key requirements include a one-year warranty, strict quality control, adherence to governmental safety regulations (OSHA, NFPA), and a comprehensive waste management plan with a minimum 10% diversion from landfills. The work must be coordinated to minimize disruption as the DBNRRC will remain occupied, with specific timelines for lab and office work (120 days) and overall project completion (270 days). The contractor must submit various plans and reports, including safety, security, and waste management plans, and adhere to strict protocols for utility shutdowns, hot work, and site access.

This government file details the specifications for Phase 3B of the Design New HVAC System and Associated Upgrades project at the USDA-ARS Dale Bumpers National Rice Research Center in Stuttgart, AR. The work involves replacing and reconfiguring existing air distribution systems, modifying and rerouting heating hot water piping, and replacing insulation, ceilings, and lighting in the affected areas. The project also includes replacing greenhouse evaporative cooling pads. Key requirements include a one-year warranty on construction, strict adherence to quality control, and compliance with extensive safety and security regulations, including OSHA and NFPA standards. The contractor must coordinate work to minimize disruption to the occupied facility, submit detailed schedules and safety plans, and implement a waste management plan with diversion goals for recycling and reuse.

The document outlines Phase 2B of the project to design a new HVAC system and associated upgrades for the USDA Agricultural Research Service, Dale Bumpers National Rice Research Center (DBNRRC) in Stuttgart, Arkansas. This phase involves extensive demolition and new construction plans for mechanical, plumbing, and electrical systems, with a focus on HVAC. Key aspects include detailed demolition plans for ceilings, ductwork, and piping, along with new work plans for roof-mounted equipment, plumbing, and HVAC systems. The project emphasizes coordination with other trades, adherence to safety protocols, and compliance with all applicable codes and the "Buy American Act." The facility will remain occupied during construction, requiring careful staging and protection of existing equipment. The plan also details specific requirements for ductwork, piping, and electrical installations, ensuring accessibility for maintenance and future service.

This amendment, 1232SA26Q0056 0001, extends the solicitation response date for offerors from March 5, 2026, to March 25, 2026. The purpose of this extension is to allow additional time to respond to RFI questions and facilitate proposal generation. Offerors must acknowledge receipt of this amendment by completing items 8 and 15 and returning one copy, by acknowledging on each copy of the offer, or by separate letter or electronic communication. Failure to acknowledge receipt by the specified date may result in the rejection of the offer. This document modifies the original solicitation issued by USDA ARS Acquisition and Property D in Beltsville, MD.

The “DESIGN NEW HVAC SYSTEM AND ASSOCIATED UPGRADES PHASE 3A” project in Stuttgart, Arkansas, focuses on upgrading the HVAC system at the USDA Agricultural Research Service's Dale Bumpers National Rice Research Center. This phase involves extensive demolition and new construction for mechanical, piping, and electrical systems. Key aspects include the demolition of existing VAV boxes, ductwork, thermostats, and a rooftop fan, along with the removal of insulation from heating water piping. New work entails the installation of VAV terminal boxes with controllers, new supply and return air ductwork connected to existing air handling units, and a new exhaust fan on the roof. The project emphasizes coordination between trades, adherence to SMACNA standards, and compliance with the “Buy American Act.” The general notes highlight the need for maintaining facility operations during construction, protecting personnel and furnishings, and providing a detailed work plan to ensure safety and minimize disruption. The document also provides comprehensive legends and schedules for mechanical and electrical components, including details on pipe penetrations, ductwork, and VAV terminal units.