PIANC Example Fender Design

1.1 Acceleration due to gravity; Density of seawater;

1.2 1.2.1

Standard Definitions g = 9.81 m/s2  = 1.025 t/m3

;Assumed

Natural Conditions

Tide Level

Current tide levels and the relationship between SITE DATUM and CHART DATUM are shown below: Highest Astronomical Tide; Mean Highest High Water; Mean Lowest High Water; Mean Sea Level; Mean Highest Low Water; Mean Lowest Low Water; Lowest Astronomical Tide; Site Datum/Chart Datum;

HAT = +1.86 m; CD MHHW = +1.47 m; CD MLHW = +1.04 m; CD MSL = +0.89 m; CD MHLW = +0.56 m; CD MLLW = +0.45 m; CD LAT = +0.13 m; CD CD = +0.00 m; CD

A maximum surge height of 0.5m above MHHW is taken in addition to a future sea level rise of 0.25m over the design life of the shipyard therefore the high water level used to design the Travel Lift Pier is taken as: Design High Water Level;

DHWL = +2.22 m; CD

Assumed seabed/ rock level; source not found

BED = -13.5 m; CD

;Refer to section Error: Reference

Cope level;

COPE = +3.8 m; CD

;Report RLSRY1-0-17-201-206

1.3 Overall thickness of deck; Thickness of crossbeam;

1.4

Structure Geometry Tdeck = 0.8 m Tbeam = 0.8 m

;Assumed ;Assumed

Large Vessel Parameters

Max. lift capacity of the boat hoist; Vhoist:1100 = 1100 t ;Cimolai drawing Displacement, docking condition; MD:large = Vhoist:1100  g = 10791 kN ;Inferred Deadweight; DWTlarge = 1000 t ;Tb.C-1, App.C, PIANC WG 33 Overall length; Llarge = 75 m ;Client issued Length between perpendiculars; LBP:large = Llarge = 75 m ;Assumed Breadth; Blarge = 15 m ;Client issued Draft, full; Dmax:large = 4.9 m ;Client issued Draft, docking condition; D:large = 2.5m ;Assumed Displacement, full; Mmax:large = 2480 t ;Tb.C-1, App.C, PIANC WG 33 Maximum berthing angle;  =15 deg ;Cl. 4.7.6.4.1, BS6349-4:1994 Berthing point; ¼ point ;Assumed Longitudinal windage area above water line, light; AL:large = 465 m2 ;Tb.C-1, App.C, PIANC WG 33 Transverse windage area above water line, light; AT:large = 150 m2 ;Tb.C-1, App.C, PIANC WG 33 Bow radius; Rb:large = 27 m ;Assumed Maximum hull flare at fender line;  “=”