Sole Source EOP Earth Momenta Services
Closed Solicitation Posted
- Solicitation number
- N0018926QL147
- Agency
-
Naval Supply Systems Command
Department of the Navy, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 541990 All Other Professional, Scientific, and Technical Services
- PSC
- R499 Support- Professional: Other
- Place of performance
- Washington, District of Columbia 20392, United States
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The Department of the Navy Naval Supply Systems Command seeks Earth Orientation Parameter (EOP) Momenta Services in support of the United States Naval Observatory, with a sole-source intent to Dennis McCarthy and responses due May 26, 2026 at 11:00 AM EST. This is a simplified acquisition for commercial items under FAR 12.102(a), not a competitive solicitation, though all responsible sources may submit quotes.
Place of performance is Washington, DC 20392. The contract is set aside for small business and designated Women-Owned Small Business (WOSB). The NAICS code is 541990 (All Other Professional, Scientific, and Technical Services) with a small business size standard of $7.5 million. The PSC code is R499.
The Performance Work Statement requires the contractor to serve as subject matter expert providing consulting support to USNO's EOP Division, including evaluating atmospheric, ocean, and hydrological angular momentum data; developing algorithms and design documents for improving momentum quantity processing; evaluating proposed nutation and precession models; advising on standard operating procedures; creating test cases for terrestrial to celestial Earth Orientation Matrix calculations; and answering technical questions regarding EOP predictions. The contractor must be available on-call for consultations, perform short analyses, and occasionally visit Washington, DC, providing quarterly written summaries.
Contractor qualifications require 30+ years' experience analyzing Earth Orientation Parameters; knowledge of numerical analysis, spectral analysis, wavelets, and optimal estimation methods; familiarity with VLBI, GPS, Satellite Laser Ranging, and momentum processing; and expertise in developing theory and code for terrestrial to celestial transformation matrices and Earth orientation predictions up to one year in advance. The base period runs July 10, 2026 to July 9, 2027, with three one-year option periods extending through July 9, 2030. The contract is Firm Fixed Price. Sarika Dutta is the Technical Point of Contact.
Notice text
This is a SOLICITATION for commercial items prepared in accordance with the information in FAR 12.102(a), using Simplified Acquisition Procedures. This solicitation SHALL be posted on Sam.gov (https://sam.gov/) on or before 26 May 2026. The RFQ number is N0018926QL147. This solicitation documents and incorporates provisions and clauses in effect through FAC 2026-01 (effective 13 March 2026) and DFARS Publication Notice 20251110 (effective 10 November 2025). It is the responsibility of the contractor to be familiar with the applicable clauses and provisions. The clauses may be accessed in full text at these addresses: https://www.acquisition.gov/far/ and http://www.acq.osd.mil/dpap/dars/dfarspgi/current/index.html.
The NAICS code is 541990 and the Small Business Standard is $19.5 (millions of dollars).The proposed contract action is for EOP Earth Momenta Services in Support of the United States Naval Observatory in accordance with the Performance Work Statement (PWS) for which the Government intends to solicit and negotiate a Firm, Fixed Price contract with only one source, MCCARTHY DENNIS, under the authority of FAR 12.102(a). Interested persons may identify their interest and capability to respond to the requirement or submit proposals. This notice of intent is not a request for competitive proposals. However, all bids, proposals, or quotations received by the closing response date will be considered by the Government. A determination by the Government not to compete this proposed contract action based upon responses to this notice is solely within the discretion of the Government. The Small Business Office concurs with this determination.
This announcement will close at 11:00 AM EST on Tuesday, May 26, 2026. All responsible sources may submit a quote to Keisha Gordon-Blair, who can be reached via keisha.o.gordon-blair.civ@us.navy.mil, by 11:00 AM EST on Tuesday, May 26, 2026. A determination by the Government to not compete this proposed effort on a full and open competitive basis, based upon responses to this notice is solely within the discretion of the Government. Oral communications are not acceptable in response to this notice. All responsible sources may submit a quote which shall be considered by the agency.
Attachments:
Attachment I: Redacted Sole Source Justification
Attachment II: Solicitation N0018926QL147
Files
| File | Type | Posted |
|---|---|---|
| 1.04 Sole Source Justification- March 30 2026_signed 1_Redacted.pdf | ||
| Solicitation - N0018926QL147.pdf |
Similar open opportunities
| Opportunity | Agency | Set-aside | Responses due |
|---|---|---|---|
| B Department Operations Support | Naval Sea Systems Command | No set-aside |
On GovTribe
Work this opportunity
- Track it in your pipeline
- Find teaming partners
- Similar opportunities
- Ask GovTribe AI about this opportunity