Sinkhole update!

http://www.tampabay.com/news/localgovernment/Pasco-s-recommended-sinkhole-fix-Leave-it_164960277

So after all those meetings and getting community input on what they wanted.   The Commissioners look like they will be going with what the Commissioners wanted to do in the first place.   Put a fence up and leave it there.   This raises so many issues for the residents of Lake Padgett Estates.  The homes in that area, will not sell.   Having an unrepaired sinkhole near a property or in the neighborhood is not a selling point.   The homes nearby will constantly worry if the hole will open up again and community safety will become an issue.   I understand that repairing it will cost money, but what price tag can you put on quality of life and reassurance that your home will not be swallowed up by the earth.

I still want to know how far out does the original lake bed go?   How many more homes and sinkholes will there be in this neighborhood?   What are the residents going to do living next to a decorative fence?   How is a decorative fence a viable solution?

 

4 Replies to “Sinkhole update!”

  1. Do you know what report this article is referring to when it says, in regards to the sheet metal pilings and culdesacs, “But additional geotechnical studies indicated that some of the suggested repairs would need at least $500,000 worth of grouting. Installing the pilings, initially considered a likely alternative, is now being called “highly problematic, cost prohibitive (and) not recommended,’’ according to information provided to commissioners.” ?

    Because the email residents got seems to contradict that. We were told “Option 1: Construct cul-de-sacs on each side of the depression. From a geotechnical perspective, this is the most feasible option. However, due to the presence of the anomalies conditions in and around the proposed cul-de-sac options, we recommend the use of a grouting program to help stabilize the limestone and decrease the likelihood of future sinkhole development. We reached out to several contractors but had very limited response. Based on the response we did receive, the cost of grouting could be on the order of $500,000 and could be significantly more as grout quantities are highly problematic to predict and there may be subsurface connections to the existing depression or subsurface voids.”

    It would seem to me, even with the added cost, that would be the way to go. A fence and no work to fix the sinkhole is scary and you’re right about the resale of the homes. I don’t live in that neighborhood, but it makes me worry if a sinkhole like that opened near my house, that the county wouldn’t really help.

    I know there was a team from USF doing the testing but I haven’t seen their report. To answer your question about the lake beds, USF put together historical maps from the area here: http://www.arcgis.com/apps/webappviewer/index.html?id=b87eb904cd60437ba18cea0f6971ba85&extent=-9180817.6874%2C3272817.9894%2C-9173173.9845%2C3276071.3404%2C102100

    The sinkhole, I think, is the left most red dot. Click through the the boxes on the right and it will show you the historical maps. In 1849, where the sinkhole is, it was part of a lake. All the red dots, other sinkholes in that area, are were that lake was. It was filled in sometime after 1849 and used for orange groves for a long time.

  2. Thanks! I think I was confusing the cul-de-sac and sheet piling/reconstruct road options, but I get it now.

    So, the recommended plan is to just put a fence up without doing anything to stabilize the sinkhole?

    1. That appears to be the plan. To take down the chain link fence and put up a decorative fence. It is concerning that the sinkhole will not be stabilized and that the map shows a lot of homes on the old lake bed. I just hope that they repair the sinkhole. That would be the best bet to reassure the people that live there.

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