Project Information

Bid Title

Infrastructure Improvements in the Dupont-Wappoo Watershed

Issuing Agency

City of Charleston

Location

South Carolina

Published Date

Sep 28, 2026

Closing Date

Oct 16, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Bid Title:	Infrastructure Improvements in the Dupont-Wappoo Watershed
Category:	Stormwater
Status:	Open

Description: The City of Charleston (City) is accepting Bid Proposals for construction services for the Infrastructure Improvements in the Dupont-Wappoo Watershed Project. The City will receive submittals until October 16, 2026 at 2:00 pm at 2 George Street, Suite 2100, Charleston, SC 29401. The Work includes but is not limited to: demolition of existing storm drain, curb and gutter, driveway aprons, driveways, and trees; installation of storm drain pipes and structures; excavation and grading of an existing open drainage channel; adjustment and installation of water appurtenances, and relocation of water service lines and sanitary sewer service lines as needed; installation of curb and gutter, sidewalk, driveway aprons, and driveways; milling and surfacing with associated restriping of traffic control markings; removal and replacement of fences; installation of sediment and erosion control devices; clearing and grubbing; restoration of disturbed areas; traffic control; as-built record drawings; and more as shown in the Drawings. All related documents will be available at this website, www.charleston-sc.gov , (Business, Bidline, Stormwater), or may be obtained by submitting a request to Jordyn Mallett at For security reasons, you must enable JavaScript to view this E-mail address. or 843-579-6419. Publication Date/Time: 9/28/2026 12:50 PM Closing Date/Time: 10/16/2026 2:00 PM Contact Person: Jordyn Mallett mallettj@charleston-sc.gov 843-579-6419 Fee: N/A Business Hours: 8:30am-5:00pm Related Documents: 01 Dupont Wappoo Front End Legal Review 02 Dupont-Wappoo TECHNICAL SPECS 2026-08-21 03 Dupont-Wappoo DRAWINGS 2026-08-21 04 Dupont-Wappoo APPENDIX A PERMITS 05 Dupont-Wappoo APPENDIX B GEOTECH 06 Dupont-Wappoo APPENDIX C CWS SPECS

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Commodity Codes

• NAICS 236220Commercial and Institutional Building Construction
• NAICS 541330Engineering Services
• NAICS 541620Environmental Consulting Services

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