viii CONTENTS. 



PAGE 



1 .;ittor to walla Doplh of water alongside Veneering Quay walls, 

 Greenoro Buckoy dock walls Basin walls at Alexandra Dock, Hull 

 Calais basin walls Southampton tidal basin walls Wharf wall on river 

 front, New York Cylinders used at Glasgow Walls on the Danube 

 At Bordeaux, Bombay, Rouen, Gonrock, Brest, Finnic, Dublin, Greenock, 

 Spezzia, at the mouth of the Rhone Fola basin walls Timber wliarfing 104 



CU AFTER VI. 



Dry or graving docks Locks Early practice Docks in a tidelcss sea 

 Method of construction Slope of dock floor Dimensions of docks Plan 

 of docks Depth over sill Local and shipping conditions to be studied 

 Floor of dock Mud docks of India Avonmouth dock Genoa dry docks 

 Panama canal locks Wivenhoo dock Green's dock, Blackwall 

 Toulon docks Timber docks Mount Stewart dock Calais docks 

 Somerset dock, Malta Extension of dock at Leghorn Glasgow No. 2 

 dock Esquimalt dock 162 



CHAPTER VIL 



Closing entrances Principal points to be kept in view Gate-platform 

 Quoins Gates Heel-post Timber gates Metal gates Form of gates 

 Rise of gates Nipping Staunchness Opening and closing gates- 

 Hydraulic rams and chains Direct-acting rams Gate rollers Support 

 to gates in rough weather Stay-gatesDunkirk Dock gates Amsterdam 

 Ship Canal gates Avoumouth Dock gates Whitehaven Dock gates 

 Barry Dock gates Sunfernando Dock gates Alexandra Dock gates, 

 Hull West India Dock gates Caissons Sliding caissons Floating 

 caissons Floating box caissons Caisson at Limekiln Dock Barry Dock 

 caisson Kowloon Dock caisson Esquimau Dock caisson Cerro Dock 

 caisson Garvel Dock caisson . . .217 



CHAPTER VIII. 



Deposits Scouring power of water Primary object in sluicing Bottom 

 velocity Duration of scouring Fresh water for scouring purposes 

 Avonmouth entrance Tilbury Dock entrance Barry Dock entrance 

 Thames Embankment landing-places Calais entrance channel Dunkirk 

 entrance channel St. George's Stage, Liverpool Removal of shoals by 

 propeller sluicing lion flour sluicing basin Canada Basin, Liverpool 

 Low-water Basin, Birkenhead . . 267 



CHAPTER IX. 



Floating docks Classification Durability Strains Applicability Con- 

 ditions jitl'.-rtin- dwiu'ii St ul )ility Cartagena dock Off-shoro floating 

 dock Depositing dock Hydraulic lifting dock . 



