FIGURES-Continued 



Page 



72 Concrete -supported timber deck. Dinner Key Marina, Florida 122 



73 Pier gate. Coyote Point Marina, San Francisco Bay 122 



74 Fiberglass wrap peeling away from foam float 125 



75 Metal box floating pier system 126 



76 Foam float with concrete deck 127 



77 Water-ballasted floating dock 129 



78 Reduction of freeboard due to concentration of flotation elements for 



F^, = 18 inches 130 



79 Floating slips with vertical fender posts 132 



80A Isotachs showing fastest mile of wind (in miles per hour) 30 feet above ground, 



50-year period of recurrence 134 



80B Windloading against a vertical face 134 



81 Average profile height versus length of craft 135 



82 Sample calculation of windloading on a floating slip system 136 



83 Determination of required guide pile penetration 138 



84 Determination of allowable bending moment for a prestressed concrete pile . . 139 



85 Examples of pile guides 140 



86 Pile guide with heavy duty rollers • 141 



87 Close fitting pipe-sleeve pile guide 142 



88 Determination of allowable loading of sleeve-guided pipe pile 143 



89 A-frame dolphins guide a floating pier at Shilshole Bay Marina, Washington . . 144 



90 Submerged crossties strengthen floating slip system 145 



91 Deepwater anchorage of floating pier with drawdown adjustment 147 



92 Crossties and struts used to strengthen floating pier decks 149 



93 Crosslocked connection of finger and headwalk stringers 150 



94 Diagonal decking strengthens a floating slip structure 152 



95 Deck panels with nonskid surface 154 



96 Rugged gangway "pin-in cradle" hinge 155 



97 Typical large and small gangways 157 



98 Simple metal guides for a light gangway 158 



99 Pipe-and-rod apron plate hinge for heavy gangway 159 



100 Firehose cabinet on a floating deck 160 



101 Rack for garden hose on pile extension 160 



102 Proper connection of hose and pipe at gangways 162 



103 Overhead dock wiring creates a cluttered appearance 162 



104 Power outlet racks for a fixed concrete pier 163 



105 Well protected outlets may thwart quick plug-ins 163 



106 High perimeter floodlighting may cause excessive glare 166 



