C45 NDI Follow-on — Engineering and Technical Services
Issued by DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV · via SAM.gov — US federal contract opportunities
- Published
- 6 Oct 2026
- Closes
- 9 Nov 2026, 22:00 UTC
- Reference
- N6449827R0002
- Location
- United States
- Sector
- Construction & Infrastructure
At a glance
DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV in United States has published a tender in construction & infrastructure: “C45 NDI Follow-on — Engineering and Technical Services”. Submissions close on 9 November 2026, 34 days from today. Quote reference N6449827R0002 in any correspondence with the buyer. FreeTender has recorded 18 notices from this buyer since 2026, 8 of them currently open. There are 309 open construction & infrastructure notices in United States on FreeTender. Bids are submitted to the buyer through SAM.gov — US federal contract opportunities, not through FreeTender.
Details
DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV is soliciting C45 NDI Follow-on — Engineering and Technical Services. Solicitation number N6449827R0002. Classified under NAICS 541330 — Engineering Services. Product/service code R425 — ENGINEERING AND TECHNICAL SERVICES. Responses are due by 09 November 2026 22:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.
This is a competitive solicitation for a Cost-Plus-Fixed-Fee (CPFF), Level of Effort (LOE) task order under the SeaPort-NxG Multiple Award Contract (MAC) vehicle. This requirement is for engineering, technical, programmatic, and software development support services for the Naval Surface Warfare Center, Philadelphia Division (NSWCPD) in support of Submarine Command, Control, Communications, Computers, and Intelligence (C4I) and Hull, Mechanical, and Electrical (HM and E) systems. The scope includes, but is not limited to: engineering design, hardware prototype fabrication, SUBSAFE/Level I quality assurance compliance, life-cycle software development (CMMI Level 3 equivalent), and direct OCONUS fleet support in locations including Japan, Guam, and Diego Garcia. The total estimated Level of Effort is 425,150 hours over a five-year period of performance (one base year and four one-year options).
Context for bidders
We hold 18 notices from DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NSWC PHILADELPHIA DIV, going back to August 2026 — 8 of them still open. They buy mostly in Construction & Infrastructure, electronics-semiconductors and IT & Telecom. There are 309 open Construction & Infrastructure tenders in United States. This one closes in 34 days.
More from this buyer
- Elevator Equipment and Systems Recurring Preventative Maintenance and Non-Wear-and-Tear Repairs· closes 26 Oct
- Forklift Maintenance — Maint-Rep of Materials Handling EQ· closes 13 Oct
- Syncfusion Essential Studio UI Edition Developer Licenses· closes 8 Oct
- Rockwell BOA Order for LPD New Construction Hardware· closes 9 Oct
- Seaport - CTF Design Services Follow On· closes 23 Oct
Similar Construction & Infrastructure tenders
- Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair, Haleiwa, Oahu, Hawaii· closes 15 Oct
- Call 1: SPIRIT LAKE CUTOFF CURVES (Key 23880) — Idaho Transportation Department· closes 27 Oct
- Unit Price Contract for Maintenance Dredging of Pensacola Harbor Entrance Channel· closes 13 Oct
- Albany Transformer Testing & Service — Maint-Rep of Elect-Elct EQ· closes 9 Oct
- Albany Transformer Testing & Service — Maint-Rep of Elect-Elct EQ· closes 9 Oct
Before you bid on this tender
A quick checklist to help you decide whether to bid and prepare a compliant submission for this construction & infrastructure opportunity. Always verify the details on the official source.
- Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
- Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
- Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
- Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
- Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
- Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
More Construction & Infrastructure tenders
- proposed renovation of njabini marketNyandarua County Government · Kenya
- Civil Works — Special repair of deteriorated beams, columns, water tank platform, external painting, replacement of W.C & Bath door shutters, roof treatment of 8 Nos T-II Qrtrs. at LohardagaBSNL — JHARKHAND · India
- Public notice regarding procurement of reagents for hematology analyzer at Dr Hedgewar Arogya SansthanHealth & Family Welfare Department, Govt. of NCT of Delhi · India
- Civil Works — Dismantling of Roof Top Tower from Maruti Residency, Almidih (NBSNL Site) and re-erection at Rohinipuram (NBSNL Site) Raipur. (CG)BSNL — Chhattisgarh · India
- Civil Works — Supply installation and commissioning of an overhead PVC water tank including fittings connections and associated civil works for the building rented by CGHS in the GM OA section of the BSNL compound at Durg CGBSNL — Chhattisgarh · India
FreeTender mirrors this notice for reference. Verify the details and bid on the official portal.
Verify & apply on the official portal →