Page:History of merchant shipping and ancient commerce (Volume 2).djvu/589

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—————————————————————————————————————————-
                                    LIVERPOOL GRIDIRONS.
—————————————————————————————-+—————-+————-
                                                           | Breadth |
                        Gridirons. | of |
                                                           | Gridiron. | Length.
—————————————————————————————-+—————-+————-
                                                           | Ft. In. | Ft. In.
Clarence Graving Dock Basin—The Blocks are laid 2 feet } | 25 6 | 313 6
    2 inches below the Datum at the South end of the } | |
    Gridiron, and 3 inches below at the North end } | |
                                                           | |
King's Pier—The Blocks are laid at the level of the Datum | 26 0 | 509 0
                                                                       +————-
                    Total Length of the Liverpool Gridirons | 822 6
=======================================================================+===========


                                     LANDING STAGES.

Liverpool.—Prince's Stage 1002 6 long; 80 wide, 4 Bridges from the shore.
            George's Stage 505 0 " 80 " 2 " "

Birkenhead.—Low Water } 1040 0 " 50 & 35 " 2 " "
             Basin Stage }
             Woodside Stage 800 0 " 80 " 2 " "


Note.—The South end of the Woodside Stage, for a length of 300 feet, including one of the Bridges, is appropriated to the use of the Birkenhead Commissioners. The 500 feet Northwards, and the other Bridge, is under the superintendence of the Dock Board. In connection with this stage there is a Floating Bridge, 678 feet in length by 30 feet in width, by means of which an easy incline for Carriage Traffic is maintained at all times of the Tide.


================================+===============+=================+========+===========
     Docks belonging to the | | Level of Sill. |Level of|
    Corporation of Liverpool | Width of +————+————+ Coping | Water
          and Others. | Entrance. | Above | Below | above | Area.
                                | | Datum. | Datum. | Datum. |
————————————————+———————-+————|————+————+—————-
The Corporation of Liverpool. | Ft. In. | Ft. In.| Ft. In.| Ft. In.| Acres Yds.
                                | | | | |
      The River Craft Dock | Outer 30 0 | 0 3 | .. | 25 4 | 1 3416
      Lock, and Eagle Basin | Inner 30 0 | 1 3 | .. | 25 10 | ..
Ditto Anderton Basin | .. 40 0 | .. | .. | .. | 0 1198
                                | | | | |
The Trustees of the late | | | | |
   Duke of Bridgewater. | | | | |
                                | | | | |
      Duke's Dock | Outer 40 0 | .. | 4 6 | 25 6 | 2 1336
                                | Middle 28 10 | 0 6 | .. | 22 9 | ..
                                | Inner 40 0 | .. | 6 0 | 25 0 | ..
Ditto Egerton Dock | .. 20 0 | 0 6 | .. | 23 0 | 0 2700
                                | | | | |
The London & North-Western | | | | |
   Railway Company. | | | | |
                                | | | | |
      Garston Dock | North 20 0 | .. | 6 0 | 26 0 | 6 1200
                                | South 50 0 | .. | .. | .. | ..
                                                                           +—————-
                                                                           | 11 170
—————————————————————————————————————-+—————-


The Leeds and Liverpool Canal is in communication with Stanley Dock through Four Locks and Five intermediate Basins. The Locks are each 81 feet long by 16 feet 6 inches wide, and the Total Rise is 46 feet 6 inches. The Level of the Water in the Canal is 58 feet above the Datum.