Does anyone know a thing about channel dredging?

Discussion in 'General' started by Alex_V, Sep 20, 2020.

  1. Alex_V

    Alex_V Dump the diesel

    Long shot, but perhaps someone does this stuff here. We are looking at a place in Florida that has a dock which is about 100-150 feet from last channel marker. Water is deep in the channel (about 6-8 feet) but from the last marker to the dock itself depth drops to 1-2 feet making the dock unusable. I understand that there are companies that specialise in dredging channels and all that. Assuming the bottom is soft, what can one expect the cost of dredging 100-150 feet channel to the dock may be? I am guessing there is no way to do it yourself.
    Last edited: Sep 20, 2020
  2. Sabre699

    Sabre699 Wait...hold my beer.

    Where in Florida? I worked building docks for several companies in So. Fl. (including my own) and you need a barge with a crane and a clam shell bucket to dredge. Find your nearest dock company and if they don't do it they undoubtedly will know a company that does. Just wait until you behold the aroma that eminates from the muck off the bottom of those canals. Good luck and happy hunting.
    TurboBlew likes this.
  3. BC

    BC Well-Known Member

    You can do it with a decent trash pump, but the permitting may not allow you to. I know several people who have done it that way. BTW 2' is plenty of water for alot of boats.
  4. tzrider

    tzrider CZrider

    Seek Jimmy Hoffa....
  5. Sabre699

    Sabre699 Wait...hold my beer.

    He's in the Meadowlands.
  6. tzrider

    tzrider CZrider

    They haven't found him.

    I say is in Florida mud...
  7. Alex_V

    Alex_V Dump the diesel

    This is near Fanning Bayou, Panama City. My current sailboat draws 4'6" so it will not get very far.
  8. Sabre699

    Sabre699 Wait...hold my beer.

  9. Alex_V

    Alex_V Dump the diesel

    Sabre699 likes this.
  10. Sabre699

    Sabre699 Wait...hold my beer.

    I can guesstimate dock building and service but honestly don't know jack about dredging costs. Sorry.
  11. rd400racer

    rd400racer Well-Known Member

    Go to for a guesstimate. They state that their starting price is $75K. That's the first thing that came up in a simple Google search of dredging costs.
  12. ahrma_581

    ahrma_581 Well-Known Member

  13. Alex_V

    Alex_V Dump the diesel

    for $75K I would buy a f@cking shovel and some diving gear.
    Gorilla George and rd400racer like this.
  14. GarrettRick

    GarrettRick Well-Known Member

    It can’t be cheap - it’s not something they can just knock out in an afternoon. You’ve got the barge , crane, 2-3 man crew minimum . I’d be shocked if it was less than $20k
    Shocker and rd400racer like this.
  15. Banditracer

    Banditracer Dogs - because people suck

    Being that you're messing with a waterway I bet there's some serious permits involved.
    Ducti89 likes this.
  16. Shocker

    Shocker Well-Known Member

    Be prepared for obtaining permits through the local water management district, Coast Guard, Army Corps, DEP and the County/City you are in. Army Corps will drag their ass on issuing the permit and DEP will want a soil analysis done for the material to be dredged out. If it is contaminated, then you will spend a good chunk of money taking it to a special landfill that is certified for contaminated soils. You will also need to provide a before and after survey to the permitting agencies.

    About 8 years ago, we were the engineers of record for a canal dredging project for a mobile home park (Apollo Beach, FL) that we consult for and it turned into a huge nightmare with both permitting delays and contractor issues (equipment issues, timeline issues and trying to change order to death). Fortunately the client had an acre of space that they were using purely as trailer storage so that we could designate as a dumping area for dredged soils and save on hauling fees.

    Construction costs have gone through the roof in the last couple years, so even the dredging costs from 8 years ago won't be accurate anymore, but I can provide that tomorrow.

    FYI, you will spend a big chunk on mobilization costs for the contractor just because of the equipment. Usually that could be split with neighbors it they want to get the waterway dredged to their dock as well.
    Phl218 and Alex_V like this.
  17. ChemGuy

    ChemGuy Harden The F%@# Up!

    You can move some plain dirt pretty fast with a 4" gold dredge.

    In case you go the diy route
    Phl218 likes this.
  18. R1M370

    R1M370 Dr. P Ness

    Sounds like it might be cheaper to build a long dock out to the deeper water :D
    KneeDragger_c69 and joec like this.
  19. Banditracer

    Banditracer Dogs - because people suck

    Or trade boats.
    Sabre699 and R1M370 like this.
  20. TurboBlew

    TurboBlew Registers Abusers

    just the Army Corp of Eng. Other than that... no City or County Bldg dept in FL has any jurisdiction in navigable waterways. Amazed the heck out of me because Ive seen some dock company work thats beyond questionable. My chief just shrugged his shoulders when I presented him with the explosion of dock houses in my area.

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