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Stormwater Master Plan- Final Draft by Seamon Whiteside Associates

 

Historic Design Guideline presentation postponed. Click here for more information. 

 

Breach Inlet has restricted access due to the current sand refurbishment project. Click here for the February 2025 update.  

Stormwater Outfall Improvements Station 19 & 25 (SCEMD 4492 COVID-19)

The Town of Sullivan's Island proposes to complete the design and implementation of the stormwater drainage outfalls improvements at Station 18.5 Street and Station 25 Street because of high-volume coastal flooding and rainfall events. The Town will complete Phase 1 of the project, which consists of the non-construction activities necessary to plan, survey, engineer, design and permit the proposed project. 

Phase 1 Deliverables should include:

  • Final Engineering and design documents for the proposed activity demonstrating eligibility with HMA guidance.
  • Updated cost estimate based on final design.
  • Revised work schedule to implement the proposed measure within the remaining grant period of performance. 
  • Updated Benefit Cost Analysis (BCA) demonstrating the final proposed project to still be cost effective is required. 
  • Ground disturbance information, including area and depth of proposed ground disturbance. Maps of proposed ground disturbance should be provided. Phase II may require consultation by FEMA with SHPO and tribes.

Project Documents