Clarifications Amendment 1

RFI Responses for Solicitation N3943027R5001 (ESEC II) 10/15/2026

No. Reference
Synopsis,
general

Question
The posted SAES is titled
ESEC_II_SAES_Draft_30sept26. Is this
the final SAES for this solicitation?

Synopsis,
general

Please confirm the deadline, submission
address, and required format for
solicitation questions, and how
responses will be distributed to
interested firms.

Synopsis,
and SAES
A6–A7, p.
8; C1, pp.
9–10.

Given the anticipated FFP/CPFF taskorder mix, please clarify how basiccontract hourly/service rates apply to each order type, which incrementalfunding provisions apply, and how escalation, specialty labor, and
OCONUS costs will be negotiated.

SAES

A2.b and
A2.d, pp.
4–5; A4, p.
6; D5, pp.
13–14.

SAES

A4.a.C–D,
p. 6; G1, p.
19.

SAES

A2.b–d,
pp. 4–5;
H.n, p. 21;
Appendix
1, p. 23.

Will RDT&E and pilot task orders define
acceptance around approved protocols,
defensible data, and documented
findings, including unsuccessful
technology outcomes? Please clarify the
approval process and lead time for nonELAP research laboratories. Please define responsibility for
characterization, temporary storage,
generator designation, transportation,
and disposal of investigation- and pilotgenerated waste, including PFAS, radioactive, and mixed waste. What work
is authorized while awaiting a
hazardous-drill-spoil disposal
modification?
For web tools, models, and software
deliverables, will task orders specify
hosting, security authorization,
accessibility, source-code delivery,
maintenance, and data/software rights?
How will pre-existing contractor tools be
distinguished from contract-funded
development?

Response
The SAES v. 9/30/26 is the version current for the ESEC opportunity. The Contracting Office reserves the right to update the SAES, but will publish any revisions to SAM for public viewing, until an award is made (or cancellation issued). The Contracting Office did not anticipate to have a formal RFI exchange for this opportunity, where firms will be ranked by their SF330 qualifications for the most-highly-qualified selection process. The Contracting Office reserves the right to not answer any question submitted in regards to the
Synopsized Opportunity for updating SF330 documentation. The Contracting Office has not yet issued the Request for Proposal (RFP) anticipated for this opportunity, in accordance with applicable Qualifications-Based Selection (QBS)