Xanthe Otterstedt is a government contact at Ibc Acq Svcs Directorate (00004). Xanthe is associated with 50 contracts. Ibc Acq Svcs Directorate (00004) has $8,961,820,412 in total awards. Activity spans Aircraft Manufacturing, Engineering Services, and Other Support Activities for Air Transportation.
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Contracting officer information and contact details
Solicitation 140D0426Q0878 is a total small business set-aside for the historic repair of cobblestone ramps at the Stewart Lee Udall Building in Washington, DC. The project encompasses the removal, cleaning, resetting, and repointing of four specific areas: Ramp A (845 sq ft), Ramp B (845 sq ft), Ramp C (1,379 sq ft), and Ramp D (1,104 sq ft). All work must adhere to the Secretary of the Interior's Standards for the Treatment of Historic Properties and the provided Historic Structure Report to ensure the original historic design patterns, joint profiles, and materials are preserved. The contractor is required to provide a field mock-up to establish quality standards and a minimum one-year workmanship warranty upon completion.
The contract is a firm fixed price award evaluated on a lowest price technically acceptable basis. The period of performance is from September 23, 2026, to September 22, 2027, with all work to be completed within twelve months of the award. Key requirements include the submission of a bid bond, a comprehensive safety plan, and a detailed technical proposal not exceeding five pages. Payment will be processed electronically via the Treasury's Invoice Processing Platform, and a release of claims is required prior to final payment. The project is managed by the Interior Business Center under NAICS code 237310.
Department Of The InteriorVA,
USA
NAICS
237310
Highway, Street, and Bridge Construction
PSC
Z2AA
Maintenance, Repair, or Alteration of Real Property
Solicitation 140D0426Q0884 is a firm-fixed-price commercial services construction requirement for the Department of the Interior. The project involves furnishing, installing, testing, and commissioning red and green LED traffic signal lights at five exterior security kiosk stations serving the underground parking garage access ramps at the Stewart Lee Udall Building in Washington, DC. The primary objective is to improve vehicle traffic control by providing clear visual indications of ramp operational status. Key technical requirements include the installation of signal assemblies with mounting hardware, electrical infrastructure with manual switching capabilities for security personnel, and a fail-safe default to red during power loss. All work must comply with the National Electrical Code, OSHA standards, and GSA/DOI facility requirements, including the restoration of kiosk NEMA ratings.
This project is a total small business set-aside under NAICS code 238210, with an estimated total cost of 30,500 dollars. The contract will be awarded based on the lowest price technically acceptable (LPTA) evaluation of quotes. The period of performance is approximately 60 days from the date of award, with a specific window noted from September 23, 2026, to November 22, 2026. The contractor is required to provide a listing of all subcontractors within five business days of award and must adhere to strict federal facility security protocols, including badging and escort requirements. Final acceptance is contingent upon a government walkthrough to verify electrical operation, visibility from vehicle approach distances, and mounting stability.
Department Of The InteriorVA,$31Kest.
NAICS
238210
Electrical Contractors and Other Wiring Installation Contractors
Solicitation 140D0426Q0795 is a request for a firm-fixed-price contract to repair concrete spalling on the garage floor of the Stewart Lee Udall Building, the headquarters for the Department of the Interior in Washington, DC. This project is a total small business set-aside under NAICS 238110. The scope of work requires the contractor to provide all design, labor, materials, and supervision to assess the damage, excavate loose concrete, treat corroded rebar with industry-standard corrosion inhibitors, and apply compatible patching materials. Key deliverables include an initial inspection report due within 21 days of award, a detailed repair schedule, and a final inspection report. The performance period is approximately six months, with a specified window from September 18, 2026, to March 17, 2027.
The government will award the contract based on the lowest price technically acceptable (LPTA) basis. Eligible vendors must submit a quote using SF 1449, a technical proposal not exceeding five pages, and an SF-24 bid bond. Because no diagrams are provided, contractors are required to conduct their own site surveys to determine repair quantities. All submittals must be delivered to the Primary Contracting Officer's Representative, and payments will be processed electronically through the Invoice Processing Platform System. The final closing date for responses was extended to September 11, 2026, at 10:00 AM.
Department Of The InteriorVA,
USA
NAICS
238110
Poured Concrete Foundation and Structure Contractors
PSC
Z2AA
Maintenance, Repair, or Alteration of Real Property
The Department of the Interior Acquisition Services Directorate is seeking a contractor for the procurement and installation of acoustic panels at the Stewart Lee Udall Building in Washington, DC. This project will be awarded as a Firm Fixed Price contract using the Lowest Price Technically Acceptable evaluation method. A site visit is scheduled for September 11, 2026, at 11:30 AM ET to allow prospective bidders to assess the facility.
Quotes for this project are due by September 16, 2026, with the contract award expected by September 18, 2026. The successful contractor must complete all installation work within six months of the award. Interested parties can contact Xanthe Otterstedt for further information regarding solicitation number 140D0426Q0900.
This contract, identified by solicitation number 140D0426Q0883, is a firm-fixed-price agreement for the redesign and fabrication of a trash compactor and cart loading ramp at the Stewart Lee Udall Building, which serves as the Department of the Interior headquarters in Washington, DC. Managed by the Ibc Acq Svcs Directorate, the project is designated as a total small business set-aside under NAICS codes 238190 and 238210.
The performance period for the project is scheduled from September 23, 2026, to November 22, 2026. Proposals will be evaluated based on the lowest price technically acceptable criteria. The primary point of contact for this effort is Nicholas Lewicki, and the solicitation was posted on September 2, 2026, with a response deadline of September 3, 2026.
Department Of The InteriorVA,
USA
NAICS
238190
Other Foundation, Structure, and Building Exterior Contractors
PSC
Z2AA
Maintenance, Repair, or Alteration of Real Property
The AFCEC CIP Master Planning project, solicitation number 140D0426R0116, is a sources-sought opportunity issued by the Department of the Interior under the Ibc Acq Svcs Directorate. This procurement falls under NAICS code 541620 and is managed from the office located in Herndon, Virginia. The primary point of contact for this requirement is Xanthe Otterstedt.
Interested parties must submit their responses by the deadline of August 28, 2026. The objective of this action is to gather information regarding capabilities for master planning related to Capital Improvement Projects. Detailed requirements and expectations are outlined in the provided Request for Information and Draft Statement of Work.
The Department of the Interior’s Acquisition Services Directorate is seeking qualified small businesses to provide moving services under a Firm Fixed Price contract using the Lowest Price Technically Acceptable evaluation method. The solicitation, identified as 140D0426Q0753 and titled V--IBC Denver Move, is a Total Small Business Set-Aside under NAICS code 484210, reserved exclusively for small businesses as defined by the SBA. Interested vendors must submit quotes by July 29, 2026, at 6:00 PM Eastern Time, with award anticipated the following day, July 30, 2026. A mandatory site visit is scheduled for July 27, 2026, at 12:30 PM local time to provide bidders with essential context for preparing their proposals. Proposals will be evaluated without discussions unless the Contracting Officer determines otherwise. All inquiries must be directed to the primary point of contact, Xanthe Otterstedt, via email or phone. The contracting office is located in Herndon, Virginia, and while the exact place of performance is unspecified, the move originates from the IBC Acquisition Services Directorate.
The Department of the Interior’s IBC Acquisition Services Directorate, acting on behalf of the National Cancer Institute’s Office of Space and Facilities Management, has issued a Request for Information (RFI) under solicitation number DOIDFBO260074 to gather market intelligence for future architectural and engineering services related to Biosafety Level 2 and 3 laboratory facilities. This solicitation, posted on July 23, 2026, with responses due by July 28, 2026, is strictly for market research and does not constitute a solicitation for proposals or a commitment to award a contract. Offerors are required to provide detailed information on their qualifications, experience with BSL-2/BSL-3 environments, and compliance with regulatory standards including the NIH Design Requirements Manual, CDC/NIH BMBL guidelines, ASHRAE, NEP, and IES lighting standards, while adhering to performance-based specifications that prohibit the use of proprietary trade names. All submissions must be no more than ten pages, single-spaced, in 11-point font or larger, and sent via email to the designated point of contact, Xanthe Otterstedt, with quality assurance and site safety plans excluded from the page limit.
Contractors must demonstrate capability to deliver comprehensive architectural, structural, mechanical, electrical, plumbing, and interior design services for laboratory renovations in occupied facilities, including construction administration and coordination with the Contracting Officer’s Representative. All personnel performing services must hold current professional licenses and possess specific experience in high-containment laboratory design and renovations. Subcontracting is subject to a January 2026 deviation of FAR 52.219-14, with strict disclosure requirements for subcontractor identity, socioeconomic status, and dollar value of work performed; subcontractor personnel must also meet the same security and background investigation standards as prime contractors, including compliance with HSPD-12 and FIPS 201 for facility access. All responses must include the offeror’s Unique Entity Identifier, size status under NAICS code 541330 (with a $25.5 million size standard), and socioeconomic certifications, and contractors must be prepared to comply with additional reporting obligations if they affirmatively report experience with BSL-2/BSL-3 projects or subcontracting to disadvantaged business entities. The place of performance is Herndon, Virginia, and all documentation must be submitted electronically in Microsoft Office or PDF format only.
The contract titled C--NCI OSFM AE Services is a presolicitation notice issued by the Department of the Interior through the Ibc Acq Svcs Directorate, with the solicitation number 140D0426R0102. It was posted on July 14, 2026, and responses are due by August 13, 2026, at 6:00 PM Eastern Time. The North American Industry Classification System code is 541330, indicating the work involves architectural and engineering services. The primary point of contact is Xanthe Otterstedt, reachable via email at [email hidden] or phone at [phone hidden]. The contracting office is located in Herndon, Virginia, with a ZIP code of 20170. The place of performance has not been specified in the available data. The solicitation does not indicate any specific set-aside designation for small businesses or other categories. Interested parties are directed to the SAM.gov workspace link for additional details and documentation.
The Department of the Interior’s Acquisition Services Directorate is seeking qualified contractors to construct a glass partition in the library of the Stewart Lee Udall Building located at 1849 C Street NW in Washington DC. The solicitation, identified by number 140D0426Q0564, will be conducted as an oral combined synopsis with a Firm Fixed Price contract awarded using the Lowest Price Technically Acceptable evaluation method, meaning the lowest responding quote that meets all minimum technical requirements will be selected without further discussions unless the Contracting Officer determines otherwise. All work must be completed within 120 days after contract award, with quotes due by June 15, 2026, and an anticipated award date of June 22, 2026. The effort falls under NAICS code 238150 for drywall and insulation contractors and is not subject to any specific small business set-aside. The primary point of contact for inquiries is Xanthe Otterstedt, with secondary support available through Halazzawi, both reachable via email at ibc.doi.gov. The solicitation was posted on June 5, 2026, and responses must be submitted by 6:00 PM ET on the due date.
Department Of The InteriorVA,
USA
NAICS
238150
Glass and Glazing Contractors
PSC
Z2AA
Maintenance, Repair, or Alteration of Real Property
