HomeMy WebLinkAbout2023 12 11 Awards/Presentations 100 - Update on Tuskawilla Crossing Retention PondTUSKAWILLACROSSINGSSUBDIVISIONPOND1 REPAIR ANDREHABILITATIONProject Update on December 11, 202317
2021 AERIALLOCATION28
BERMFAILURE–NORTHSIDE OFPOND139
4Aerial Drone Photograph Taken on September 1, 202310
5Photograph Taken on November 18, 2023Photograph Taken on November 18, 2023The berm failure occurred on August 31, 2023 and the width of the breach expanded later on after a storm event with approximately 6 to 7 inches of total precipitation11
6Photograph Taken on December 6, 2023Photograph Taken on December 6, 2023The berm failure was “temporarily filled-in” by City staff on November 22, 202312
EROSION ANDEXPOSEDUTILITIES–SOUTHSIDE OFPOND1713
8Photograph Taken on November 18, 2023Photograph Taken on November 18, 202314
9Photograph Taken on December 6, 2023Photograph Taken on December 6, 2023The slope erosion that exposed existing utilities was “temporarily filled-in” by City staff on November 22, 202315
TEMPORARYPUMPING1016
11Photograph Taken on December 6, 2023Photograph Taken on December 6, 2023A portable pump is being used to withdrawn water from the Pond 1 and discharge into the Pond 5 outfall system that discharges to the wetland located immediately north of Pond 1A float is used to automatically turn on the pump when water levels rise to an elevation just below the lowest berm elevation17
SUMMARY OFCURRENT ANDFUTUREWORKEFFORTS1218
Summary of Current Work EffortsField work for the Topographic Surveyis scheduled to begin the week of 12/4/2023Field work for the Geotechnical Exploration is scheduled to begin the week of 12/4/2023Ongoing Coordinationwith representatives of the St. Johns River Water Management District (SJRWMD) – the most recent e-mail update was transmitted on 11/29/20231319
Summary of Future Work EffortsContinued Coordinationwith SJRWMD representativesFinalize the Sub-consultant Deliverables(topographic survey and the geotechnical exploration)Coordinate with the sub-consultants and prepare a Preliminary Repair and Rehabilitation Plan for Pond 1Coordination with City staff to prepare a Final Repair and Rehabilitation Plan for Pond 1Conduct a pre-application meeting with SJRWMD representativesBegin final design and permitting1420
Questions and AnswersDavid W. Hamstra, P.E., CFMStormwater Department Manager301 West State Road 434, Suite 309Winter Springs, Florida 32708Phone: 407-992-9160, ext. 309E-mail: david@pegasusengineering.net1521