bottom a
copious supply of water
was immediate y
obfanied and
rose
the water in the well rapidly to the came level as that outside.
This flow of water into the well as was to be expected brought with it large quantities of sand
and it was evident that some less
crude method must be resorted to
before pumping for any length of time without endangering
the staging the pump and carrying
gear be resorted to. Further the sand.
contains a
good
could
deal of clayey mother, so that the core of depression is of
very point of abstraction.
and
552
fully charged with water was
as follows:-
A livre of 9 inch pifes
8.
commencing
at the well 3 feet 6.
inches above the bottour was laid
with
open joints in
a
south-easterly
direction and provided with lateral branches as shewn on the plan.
Drainage Area M. 1.
bea
of
in
The pipes were laid on a
broken stone
averaging foot
6 inches thick and surrounded with
12 inches of the same material on which was placed a layer of coarse, screened sand 12 inches in thickness,
The trenches were then
limited area around
any one
to its
"The method adopted for
diverting for taking the best advantage of existence of a large comparatively flat bed of sand some 10 feet in depth
the water into the well and
of the
and
filled up and the ground restored
original
level.
The broken stones forming
the foundation were deposited
the impervious clayey
as to drain the
stratum so
sandy deposit at the
lowvest