Apopka's city council received an update via the city's restoration plan to make the 250 million gallons golden Gem-Remed water ponds again after the foundation of a sinkhole.
On Wednesday, February 5, on Wednesday, February 5, Huo, Supply Design Manager at the city department of the city, the city council led the city council with an overview of the golden gemstone water pond, including its history, the sinkhole formation and the Recommended next steps.
The golden gemstone pond is a 102.79 hectare pond in the 3513 golden Gem Road, Apopka, before SR 429. The pond is 4.3 miles from Rock Springs in Kelly Park; The entire groundwater in the golden gem area ends in rock sources, where the city has carried out most of its water tests.
The recovered water pond is divided into three sections, centrally and southern and southern and southern and was designed as a gradual terrace, the ground height in the north is the highest and the lowest in the south. There are two separate ponds that are located next to each other within the recovered pond circumference. The little one holds around 50 million gallons water, during which large 200 million gallons hold.
In November 2023, the water height of the pond reached an all -time high due to a combination of rainwater and recovered water. In the northern section, the water level reached a depth of 22 feet deep, while according to Huo it was over 30 feet deep in the southern section. This led to January 5, 2024, sinkhole in the northern part, which was first discovered when soil erosion appeared in an infrared satellite image. On January 24, 2024, the city noticed the erosion line with a visual inspection. On January 30, 2024, the incident was reported to the State Department of Environmental Protection.
A local geotechnical company examined the Sinkloch between January and June 2024.
The construction work for the first repair of the Dolinenloch repair took place between July and September 2024 with completion in September. Phase one only included clogging the sinkhole itself. The pond is currently not ready for operation.
After the Dolinenloch had developed, the consultants under the direction of City of Apopka carried out water quality tests on three apartment walls of the pond in the area of the pond. The tests took place on May 15, 2024 and the results came back a week later, which had had an impact on the groundwater ladder.
To connect the sinkhole, larger rear props were placed on the floor to achieve more stability. Smaller rocks that were placed on this layer to achieve more density, and a layer of compressed tones was placed at the top at the top to prevent water from seeping through. After this construction, the crews added a layer of concrete at the top of the stability.
The city is currently checking a contractor's proposal to examine Liner in both ponds in order to obtain potential inadmissible materials and/or installations.
After Huos presentation, the discussion between cities and city council occurred.
Restoration plan
In order to restore the functionality of the golden gem, Huo stated the following restoration plan:
1) a complete geophysical examination of the pond with the help of technology; This scan helps the city to know what to do about restoring the pond.
2) Remove the existing membrane and install compressed sound as the bottom of the pond. The membrane/liner essentially serves the same purpose as compact tone, but sound takes much longer. While the membrane could take between 20 and 40, the tone floor could take a lifetime.
“By using sound, you can also build up the lower increase of the pond and give more separation from the pond floor to the groundwater, which is one of the main causes for the accident (sinkhole),” said Huo.
3) Complete the northern cell by building a TAMPAMM. The city advisor informed the city that “the most worrying area” is the northern section because the scout had formed there, said Huo.
4) Integrate a water circulation plan into the design that includes wells and pump systems to prevent the water of the pond prevented. According to Huo, stagnating water in a recovered water pond can lead to a deterioration in water quality over time. The design of the water circulation plan would have to be outsourced instead of being carried out in the house, said Huo.
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