The Dutch Delta Plan

1971 Brochure



*... Title Page and Publication Information


*... Map of The Netherlands


*... Introduction; Land Reclamation


*... Map of Land reclamation down the ages
..........Photograph of the Zuyder Zee Barrier Dam


*... Zuyder Zee; Delta Project
..........Map showing Zuyder Zee Project


*... Map showing areas flooded in 1953
..........Map of the Delta region


*... Graph of Delta Project time-table
..........General; The Works


*...Maps showing:
..........(1) How fresh water reaches the sea
..........(2) Future distribution of fresh water
..........Figure showing movable weir in the Lower Rhine near Hagestein


*... The Works (cont.);
..........Water Management


*...Maps showing:
..........The two fresh water basins
..........The 300-milligrammes of chloride per litre limits,
............under various circumstances


*... Water Management (cont.)
..........Anti-salination measures


*... Diagrams showing:
..........(a) Siting of storm barrier in the Hollandse Ijssel
..........(1) Elevation of storm barrier
..........(2) Cross-section of typical polder country


*... Photograph of the storm barrier
..........in the Hollandse Ijssel


*... Diagrams showing:
..........(a) Siting of dam across the Haringvliet
..........(1) Plan of sluices (locks)
..........(2) Cross section of sluices


*... An artist's impression of the finished sluices
..........Anti-salination measures (cont.)


*...Diagrams illustrating:
..........(1) How an artificial island is made
..........(2) Building the piers and spans on the sluice bed
..........(3) Fitting the steel gates
..........(4) When the sluices are completed the encircling dyke will be
...............dredged away and dams buit on either side


*...Diagrams (cont.)
..........(5) View of building site
..........(6) The sluices under construction
..........(7) Fitting the steel gates
..........(8) The completed sluices (storm surge barriers)


*...Aerial View of
..........work in the Haringvliet



*...Haringvliet work completed;
..........vital shipping routes
..........construction of secondary dams preceds that of primary


*... Sketch of dam across the Volkerak
..........Aerial view of work in the Volkerak


*... Diagram showing the new roads
..........Communications; Safety


*... Sketch of locks in the Volkerak
..........Aerial view of locks


*... Plan of locks
..........Safety (cont.); New working methods


*...Figures displaying:
..........(1) Roller trolley used for laying nylon cloth
..........(2) Mechanical stone distributor


*...Diagram of
..........asp[halt-laying device
..........New working methods (cont.)


*...Diagram showing
..........principle of sluice caissons
..........Photograph of the completed dam in the Veerse Gat


*...Photograph showing:
..........Floating the last caisson into position in the Veerse Gat
..........Caissons; Overhead Cableway


*...Sketch of:
..........Barrier across the Grevelingen; Photographs of:
..........(1) View of telpher
..........(2) The completed dam across the Grevelingen


*... Overhead Cableway (cont.)



*... Sketch of:
..........Barrier across the Brouwershavense Gat
..........Photograph showing aerial view of work in the Brouwershavense Gat


*...Sketch of:
..........Barrier across the Eastern Scheldt
..........(In fact, this came to be the storm surge barrier which
..............can be left open to allow influx of seawater most of the time)

..........Progress Report



first version: April 13, 1997; reorganized: January 3, 1999 (commemorating BLO_Sr=90); latest version: June 15, 2000
file name = Delta_Plan_1971.html;


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