Completed: Aug 22, 2017
Phase 3 Drainage Project - Outfalls & Basin
Milestone timeline:
City Council tasks the Planning Commission with developing a strategy to address drainage problems.
2017
Planning Commission begins discussing the issues and meeting with experts regarding next steps.
Completed: Sep 20, 2017
September 20, 2017
Planning Commission concludes that the next stormwater priority should be to improve the outfalls between 30th and 41st Avenues.
Completed: May 9, 2018
May 9, 2018
After interviewing several firms the Planning Commission recommends that City Council Enter into an agreement with Thomas and Hutton.
Completed: Oct 11, 2018
October 11, 2018
City Council approves award of a contract to Thomas & Hutton in the amount of $100,800 for surveying, needs assessment and conceptual design of Phase III Drainage Project.
Completed: Nov 27, 2018
November 27, 2018
City Council approves a proposal from Thomas & Hutton for small but high impact drainage projects in the basin along the Phase 3 Drainage project area.
Completed: Mar 26, 2019
March 26, 2019
City staff presents proposal to improve five (5) drainage deficient areas located on the basin between 30th and 41st Avenue.
Completed: Jul 23, 2019
July 23, 2019
City Council approves change order from Thomas & Hutton for small but high impact drainage projects in Phase 3 and issues approval of design, engineering, and permitting of Phase 3 Drainage Project.
Completed: Aug 27, 2019
August 27, 2019
City Council approves proposal in the amount of $18,900 for a conceptual assessment of the elevation of the Waterway Boulevard path to provide added protection from rising tidal waters.
Completed: Jun 23, 2020
June 23, 2020
City Council approves FY21 budget including funding for the small but high impact drainage projects and construction of the Phase 3 Drainage Project.
Completed: Jun 23, 2020
June 23, 2020
City Council approves a change order in the amount of $30,000 for Thomas & Hutton to conduct bidding and construction administration services for the small but high impact drainage projects.
Completed: Jul 28, 2020
July 28, 2020
The City submits a grant application to the Rural Infrastruction Authority for grant funds towards the construction of Phase 3 Drainage Project.
Completed: Sep 14, 2020
September 14, 2020
The City advertises RFB 2020-06 seeking bids for the construction of the small but high impact drainage projects.
Completed: Sep 27, 2020
September 27, 2020
City staff will hold a pre-bid meeting with interested bidders to provide an overview of the project and answer questions.
Completed: Oct 8, 2020
October 8 2020
Deadline for submission of proposals for the construction of the 5 small but high impact drainage projects.
Completed: Oct 29, 2020
October 29 2020
Utility relocations begin
Completed: Mar 1, 2021
March 1 2021
Drainage pipe installation - 41st Avenue
Completed: Mar 15, 2021
Mid March
Drainage pipe installation - Sparrow DriveDrive
Completed: Apr 1, 2021
Early April
Drainage pipe installation - Forest Trail
Completed: Apr 15, 2021
Mid April
Drainage pipe installation - Cross Lane
Completed: Apr 29, 2021
End of April
Council approves change order to Thomas & Hutton to include bidding and construction oversight of the 30th & 36th Ave Outfall Projects.
Completed: Jul 27, 2021
Jul 27 2021
Bid packet for construction of 30th & 36th Ave Outfall is released to prospective bidders.
Completed: Sep 14, 2021
Sep 14 2021
City holds pre-bid meeting with prospective bidders for the construction of 30th & 36th Ave Outfall Projects.
Completed: Sep 24, 2021
Set 24 2021
Deadline for bids for the construction of the 30th & 36th Avenue Outfall Project.
Completed: Oct 15, 2021
Oct 15 2021
City opened bids for the construction of the 30th and 36th Outfalls
Completed: Nov 10, 2021
Nov 10 2021
City Council approves a contract to Quality Enterprise in the amount of $2.27M
Completed: Nov 17, 2021
Nov 17 2021
The City has initiated the third phase of a project to improve storm water and tidal drainage across the island. This project is intended to make significant drainage improvements to the 30th, 36th and 41st Avenue outfalls which will improve conditions on the amount of standing water events experienced by residents and property owners.
The project began in 2017 when City Council tasked the Planning Commission with developing a strategy to address drainage problems. As part of the project, smaller but impactful drainage improvement projects along the basin will also be addressed. These are located at Sparrow Drive, Forest Trail, Cross Lane, 32nd Avenue and 41st Avenue.
The construction of the 30th and 36th Avenue outfalls began in early 2022 and expected completion in 2023. The construction of the drainage improvements to the 41st Avenue outfall is scheduled to begin in the fall/winter of 2023.
Project Updates
RFB Bid Package for Construction of 30th & 36th Avenue Outfall Projects
Tuesday, September 14, 2021
The City's project engineer, Thomas & Hutton, finalized the bid package for the 30th & 36th Avenue Outfall projects. The bid will be advertised in the Wednesday, September 15th, 2021 issue of the Post & Courier. Per the ad, the bid packages will be available for pick up at Thomas & Hutton.
The mandatory pre-bid conference will be held on Friday, September 24, 2021 at 10:00 a.m.
The bids will be due 30 days after advertisement, on Friday October 15th at 10:00 a.m.
Phase 3 drainage update during Ways and Means Committee
Tuesday, April 20, 2021
Thomas and Hutton provided an update to City Council on April 20, 2021 during the regular Ways and Means committee meeting. During the update they stated that the design for the 30th Avenue outfall was complete and the permitting process for the outfall project was underway. Additionally the Forest Trail outfall improvement project has completed the design phase, received an infrastructure critical area permit, and approval is pending for both the project's NPDES permit and the coastal zone consistency certification. The 41st Avenue outfall has completed its design stage as well and the permitting process is ongoing.
The full video of the meeting is available below.
Phase 3 Drainage during April 12, 2021 Public Works Committee Meeting
Monday, April 12, 2021
Thomas and Hutton presented an update on the Phase 3 Drainage, the small but high impact projects currently underway and the results of the assessment and cost estimates of the Waterway Boulevard path elevation project. The presentation document is linked here and the full video of the Public Works Committee on April 12, 2021 is available below.
Thomas and Hutton Presentation during November 5, 2020 Public Works Committee Meeting
Thursday, November 5, 2020
During the regular Public Works Committee meeting held on August 5, 2020, Thomas & Hutton gave a comprehensive update on the status of the Phase 3 Drainage project, the small but high impact projects located at Sparrow Drive, Forest Trail, Cross Lane, 32nd Avenue and 41st Avenue and the Waterway Boulevard path elevation project. Watch the meeting below:
The documents presented by Thomas and Hutton during the meeting are available here.
Request for Bids Opened
Wednesday, September 23, 2020
The City of Isle of Palms has opened a Request for Bids (RFB 2020-06) for Phase 3 Drainage Improvement Project. The deadline for bids is October 29, 2020 at 2:00 p. m.. There is a mandatory pre-bid meeting on October 8, 2020 at 2:00 p. m. at City Hall. The full RFB packet and specifications are available here.
City staff presents proposal to improve five drainage deficient areas
Tuesday, July 23, 2019
City staff presents proposal from Thomas and Hutton to improve five (5) drainage deficient areas in the outfall basin as part of the small but high impact drainage project. The presentation that shows these areas is available here.