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PILING INSTALLATION
There are three common ways to install a Piling. The method you choose will depend on bottom conditions and contours, water conditions and depth, the type of structure and its intended use, and your budget.
Dream Docks Corporation has three barges equipped to jet pilings and drill pilings, and one barge equipped to drive pilings.

JETTING uses a high pressure water pump to blow a deep hole in the bottom. The piling is set into the hole and sand packs back around the piling. Standard Marine Construction calls for 4-6ft. of penetration into a sandy bottom for dock pilings, and 6-8ft. for boatlift pilings. If the bottom is sand, small rocks or shell, this is the preferred and least expensive method this method works for most of Brevard County except for areas such as Tropical Trail and various other scattered areas. Jetting is not effective in areas of rock or hard clay bottoms.

HAMMERING will force small and medium rocks to the side and will break through a thin layer of clay. It will not break through large rocks because most rocks are harder and stronger than wood pilings. Hammering tends to be most effective in areas with a “MUCK” bottom. Bottoms vary from “street to street” and “lot to lot” or even within one lot. Since penetration depth can only be estimated before the piling is installed, the customer should understand that no one can guarantee a specific depth when hammering a piling. Our hammer is a 450# drop hammer that usually remains on one specific barge.

DRILLING is the only method to guarantee proper penetration in conditions with large rocks. Drilled pilings are normally installed at least 4-5ft. into the rock. This is obviously stronger than a piling installed in sand or muck bottoms. Also when jetting or hammering a piling, the bottom of the piling tends to “walk”. Drilling results in straighter and more accurate installations. Dream Docks is equipped with several gas powered drills that bore an 11 ˝” diameter hole into the bottom. The drilling charge will be reversed if we are able to jet the piling when we are on the job. Drilling is not always necessary, but there is a big advantage to installing a piling in rock bottoms guaranteeing against slipping, sinking or leaning.

Dream Docks offers all three-installation options to our customers. We will be glad to further discuss the advantages and disadvantages of each method for your specific site.

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