Island-Wide Stormwater Improvement: Basins at Station 16, 25, 28.5 and 31 (SCIIP- South Carolina Infrastructure and Investment Program)

The Town of Sullivan’s Island is issuing this Request for Qualifications (RFQ) for a qualified civil engineering firm to provide a full range of engineering services to improve the functionality and capacity of stormwater drainage in four separate service areas of the Island: Station 16, Station 25, Station 28.5 and Station 31 watersheds. The project’s proposed scope and construction activities generally consist of increasing conveyance for stormwater main lines, making ancillary improvements to lateral lines, and incorporating tidal backflow prevention and manufactured treatment devices (MTD) at each outfall. A more detailed project description is noted in the SCIIP Application awarded by the South Carolina Rural Infrastructure Authority (RIA) through the South Carolina Infrastructure Investment Program (SCIIP); Grant #A-23-C188 and RIA State Grant #S-23-C188.

Questions regarding the proposal should be directed in writing to Joe Henderson at jhenderson@sullivansisland.sc.gov. The full Proposal Process can be viewed by clicking the link below.

• Island-Wide Stormwater Improvement Grant Application (PDF)
• Click here to review the Island-Wide Stormwater Drainage Improvement Request for Qualifications (PDF)
• Notice of Intent to Award Contract for Island-Wide Stormwater Drainage Improvement (PDF)

SCIIP Final Plans

• Introduction and Existing Conditions (PDF)
• Demo and SWPPP Phase 1 Plan (PDF)
• SWPPP Phase 2, SWPPP Phase 3 and SWPPP Notes (PDF)
• Grading and Drainage Plan (PDF)
• Utility Relocation Plan (PDF)