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Great Float

The Great Float
East Float Dock, Wallasey - geograph.org.uk - 335724.jpg
Tugs Svitzer Stanlow (left) and Thorngarth (right) on East Float with the converted grain warehouse in the background, seen from Duke Street Bridge
Location
Location Birkenhead, United Kingdom
Coordinates 53°24′12″N 3°02′16″W / 53.40320°N 3.03780°W / 53.40320; -3.03780
OS grid SJ310901
Details
Owner Peel Holdings
Operator Mersey Docks and Harbour Company
Opened 1860
Type Wet dock
Purpose
  • Cargo transfer
  • Ship repair and layup
Joins
Area
  • 52 acres (21 ha), 319 sq yd (267 m2) (West Float)
  • 59 acres (24 ha), 3,786 sq yd (3,166 m2) (East Float)
Width at entrance 100 ft (30 m)
Quay length
  • 2 mi 210 yd (3.41 km) (West Float)
  • 1 mi 1,506 yd (2.99 km) (East Float)
Cargo type Bulk
Transport links

The Great Float, is a body of water on the Wirral Peninsula, England, formed from the natural tidal inlet, the Wallasey Pool. It is split into two large docks, East Float and West Float, both part of the Birkenhead Docks complex. The docks run approximately 2 miles (3 km) inland from the River Mersey, dividing the towns of Birkenhead and Wallasey. The Great Float consists of 110 acres of water and more than 4 miles (6 km) of quays.

Unlike in Liverpool, where the docks were built along the coastline of the River Mersey, Birkenhead Docks were designed as an inland system by enclosing the tidal inlet of Wallasey Pool. The construction of a coffer dam enabled land reclamation and excavations to take place. After the establishment of the Great Low Water Basin, Morpeth Dock and Egerton Dock, the Great Float was formed between 1851 and 1860 from most of what remained of Wallasey Pool. The plans for its construction were originally shown in 1844 in the Liverpool Standard newspaper. Designed by James Meadows Rendel, protégé of Thomas Telford, the scheme was managed by the Birkenhead Dock Company until a financial crisis in 1847. The docks were taken over by the Liverpool Corporation in 1855. By 1858, the rights to dock ownership and revenues were transferred to the Mersey Docks and Harbour Board, based in Liverpool.

Graving docks were built in 1864 and 1877, on the south side of West Float. Established in 1853, Thomas Brassey's Canada Works was built to the east of the Great Float. The entrance to the Great Float was originally through the Great Low Water Basin, which was enclosed in 1877 as Wallasey Dock. After this date, access from the river was provided via Alfred Dock and Morpeth Dock.


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