This Sources Sought opportunity from South Dakota was posted on August 19, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Request for Proposals Ennen-Morris and Radar Hill Drainage Basin Design Plan

Closed

Project 2897/CIP 51464State & Local

Submission Closed09/08/2026, 08:00:00 PM UTC

Contract Overview

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

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NAICS: 541330

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AI Contract Overview

The City of Rapid City and Pennington County are seeking proposals for professional engineering services to develop a Drainage Basin Design Plan for the Ennen-Morris and Radar Hill basins under Project No. 2897 and CIP No. 51464. The scope of work includes performing hydrologic and hydraulic modeling using HEC-HMS, delineating basin boundaries, and creating conceptual designs and infrastructure improvement cost estimates to manage stormwater runoff and support growth within the Rapid Creek watershed. Proposals must be submitted by Tuesday, September 8, 2026, at 2:00pm MDT. The city intends to interview the most qualified proposers on October 8, 2026. According to the project schedule, contract negotiations are expected in October 2026, with a target completion date of October 1, 2027, although the final deadline for project completion is December 31, 2027. Primary contact for the solicitation is David Holland, with administrative support provided by Shannon Truax.

General Info

Engineering services for Ennen-Morris and Radar Hill drainage plans due September 8, 2026.

Agency

South Dakota → City of Rapid City

NAICS

541330 - Engineering Services

Place of Performance

SD, USA

Set-Aside

NONE

Documents

Project 2897 Addendum #1 - Ennen-Morris and Radar Hill Drainage Basin Design Plan

amendment

High

Project No. 2897: Ennen-Morris and Radar Hill Drainage Basin Design Plan RFP

rfp

High

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 19

Sources Sought

Response DeadlineSep 8

Deadline has passed

Submission Closed

09/08/2026, 08:00:00 PM UTC

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Organization & Contact Information

AgencySouth Dakota → City of Rapid City

Contacts1 person available

OfficeN/A

Organization / AgencySouth Dakota → City of Rapid City

Office AddressN/A

Contacts

Shannon Truax

contact@example.gov

+1 (555) 000-0000

Full Description

You are hereby invited to present proposals to provide Engineering services for the below listed project: Ennen-Morris and Radar Hill DBDP, Project No. 2897/CIP No. 51464 The deadline for submission is Tuesday, September 8, 2026 at 2:00pm MDT. The City anticipates inviting proposers who are determined to be most qualified to participate in interviews. Interviews are tentatively scheduled for Thursday, October 8, 2026. Refer all questions to Rapid City Staff Contact: David Holland +1 (555) 000-0000 ext 1096 or contact@example.gov