Dockside Terminology

Floater	Floating dock system normally used in tidal or fluctuating conditions.
Mean High Water (MHW)	Most Central Florida lakes are surveyed for elevation according to sea level. Ten year low is averaged (NLW) with the ten year high and the 100-year high; this is done to establish street and finished floor elevations to prevent future flooding.
Normal low water (NLW)	The level at which is the ten-year low
Piles	Supporting posts for the dock, 4x4, 4x6, 6x6 in size.
Post exposed left tall	Dock contruction where piings rise above decking.
Post exposed buried	Dock construction where pilings are lower than the deck.
Pressure treated lumber	PT= rated by amount of CCA in lumber. 0.25 - for above ground usage; 0.40 - for freshwater ground contact; 0.60 - for salt or brackish water ground contact where evidence of muck borers exist.
Tounge and groove	2x6 pressure treated ground contact interloConsidered on the landward side of the MHW.cking boards primarily used for retaining walls.
Retaining wall	Considered on the landward side of the MHW
Sea wall	Considered on the waterward side of the MHW.
Cradle lift	A lifting device used in the boat house, very similar to a drive-on boat trailer. Boat rests on carpeted bunks.
Davit	A Mechanical hoisting device for lifting smaller boats and water craft.
Four-point lift	Hoisting system to lift up boat from four equal positions; cables hook to either belly strap or cable.
Web sling designed ....................................	Nylon belt with galvanized eyes sewn into the ends designed for lifting the boat; also referred to as belly strap

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