This Solicitation opportunity from Department Of The Interior was posted on July 21, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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R--Science and Technical Support Services (STSSC) For

Closed

140G0226R0003Federal

Submission Closed07/27/2026, 08:30:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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AI Contract Overview

This solicitation, numbered 140G0226R0003, is a 100% competitive 8(a) set-aside for Science and Technical Support Services (STSSC) under NAICS code 541990 with a size standard of $19.5 million, issued by the Department of the Interior’s Office of Acquisition and Grants in Denver. The procurement is structured as an Indefinite-Delivery Indefinite-Quantity (IDIQ) contract with a base period of five years from December 1, 2026, through November 30, 2031, and includes a single six-month option period extending through May 31, 2032. The contract will support the National Water Quality Laboratory, Earth System Processes Division, and other entities within the Water Mission Area across 16 major functional areas including research, data management, laboratory services, instrumentation support, warehouse operations, and quality assurance. Offerors must submit fully burdened hourly labor rates for all categories across the full 5.5-year performance period using Attachment 2, a 31-tab Excel pricing schedule, and must comply with Department of Labor wage determinations. Proposals must be submitted electronically by July 27, 2026, at 2:30 p.m. Mountain Daylight Time, and require registration in SAM.gov, with submission organized into four distinct volumes: a 30-page technical proposal addressing staffing, management, organizational experience and key personnel; a price proposal using the mandated Excel template without cost breakdowns; other required clauses and fill-ins; and a past performance questionnaire. The evaluation is conducted under a best value tradeoff process, with non-price factors—project staffing, management plan, organizational capabilities, key personnel qualifications, and past performance—being significantly more important than price, and award will be made to the offeror deemed most advantageous to the government. The contract imposes stringent compliance requirements including adherence to the Federal Acquisition Regulation Parts 12 and 15, incorporation of numerous FAR clauses including 52.203-6 with Alternate I, 52.203-13, 52.203-17, 52.204-9, 52.212-4, 52.216-18, 52.217-8, 52.22

General Info

Solicitation for $30M IDIQ science support contract in Mid-Continent Region, 8(a) small businesses only.

Agency

Department Of The Interior → Ofc Of Acquisition Grants-DenverView Agency

NAICS

541990 - All Other Professional, Scientific, and Technical ServicesView NAICS

Place of Performance

Set-Aside

Documents

(12)

Attachment 2 - Revised Pricing Schedule Labor Categories

XLSX•pricing-schedule

Solicitation 140G0226R0003 Follow-Up Questions and Answers

PDF•q-and-a

Solicitation 140G0226R0003 Science and Technical Support Services RFP

PDF•rfp

Attachment 2 - Pricing Schedule Labor Categories

XLSX•pricing-schedule

Amendment 0002 to Solicitation 140G0226R0003

PDF•amendment

Solicitation 140G0226R0003 - Questions and Answers for Science and Technical Support Services

PDF•q-and-a

Past Performance Questionnaire

DOCX•past-performance

Amendment 0001 to Solicitation 140G0226R0003

PDF•amendment

DI-137 Release of Claims Form

PDF•release-of-claims-form

Wage Determination No. 2015-5415 Revision 30 for Colorado Boulder Area

PDF•wage-determination

Pre-Solicitation Synopsis for Science and Technical Support Services (STSSC) IDIQ Contract

PDF•presolicitation

Amendment to Pre-Solicitation Synopsis STSSC 140G0226R0003

PDF•amendment

AI Contract Breakdown

Uniform Contract Format

Timeline

3 updates

PhaseClosed

PostedMar 17

Presolicitation

Amendment 1May 6

Contract was updated

Type ChangedJun 16

Presolicitation → Solicitation

Amendment 2Jul 13

Contract was updated

Amendment 3Jul 21

Contract was updated

Response DeadlineJul 27

Deadline has passed

Submission Closed

07/27/2026, 08:30:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of The Interior → Ofc Of Acquisition Grants-Denver

Contacts1 person available

OfficeDENVER, CO, 80225, USA

Organization / Agency

Department Of The Interior → Ofc Of Acquisition Grants-Denver

View Agency Profile

Office AddressDENVER, CO, 80225, USA

Contacts

Williams Lisa

contact@example.gov

+1 (555) 000-0000

Full Description

The purpose of this amendment is to provide Questions and Answers. These constitute the final questions and answers. The Government will not accept any additional questions.

Science and Technical Support Services (STSSC) Mid-Continent Region (MCR), Central Midwest of IL (CMWSC), Water Mission Area (WMA), the National Water Quality Laboratory (NWQL), and the Earth System Processes Division (ESPD) under the Water Mission Area.

1. This solicitation is issued as a Request for Proposals (RFP). This solicitation will utilize the policies contained in the Federal Acquisition Regulation (FAR) Part 12, Acquisition of Commercial Products and Commercial Services, and in conjunction with the policies and procedures for evaluation and award prescribed in FAR Part 15, Contracting by Negotiation, as appropriate for this acquisition.

2. The solicitation document and incorporated provisions and clauses are those in effect through Federal Acquisition Circular (FAC) 2026-01.

3. The solicitation is 100% Competitive 8(a)set-aside. The North American Industry Classification System (NAICS) code is 541990 (All Other Professional, Scientific and Technical Services) and the size standard is $19.5 Million.

4. Offerors are required to be registered in System for Award Management (SAM) when submitting an offer or quotation. Register at https://www.sam.gov/index.html prior to
submitting your offer. See FAR provision 52.204-7.

5. Please download attached Solicitation 140G0226R0003 for all Clauses and Provisions and attachments provided in this announcement.