These Fields were constructed on a Water Catchment area, that floods when it rains. The area had to be raised some 500mm. The main field was drained, laterals into the Coral, then slit drains at 90% to laterals and then 50mm of top dressing sand. The number 2 field remains a soil field.
Removing Top Soil before filling with coral (photos A & B). Levelling the fields after being raised (photos C & D).
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A.
photo A
B.
photo B
C.
photo C
D.
photo D
Final level, field ready to trench laterals (photos E & F). Trenching lateral drains directly into coral base (photo G). After Trenching you can see ground water entering laterals (photo H).
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E.
photo E
F.
photo F
G.
photo G
H.
photo H
Field after lateral installation has been completed (photo I). After lateral installation slit drains are trenched at 90% to laterals (photo J). Trenching and backfilling slit drains (photos K & L).
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I.
photo I
J.
photo J
K.
photo K
L.
photo L
Laser levelling topdressing sand at 50mm depth (photos M & N).
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M.
photo M
N.
photo N
After final level, couch seed is spread and the area is Cambridge rolled and drag matted (photos O & P). Completed project, sown, with irrigation running (photo Q).
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O.
photo O
P.
photo P
Q.
photo Q