4213
bouliers
sound
the
which Mr Foughtries predecessor, who built the house, had thrown upon top of the drain the heavy stone
of
which the embankment is partly composed. Another cause
of injury would be the great weight the drain was called upon to sustain by the action of Mr Foughtries predecessor
in the embankment and
house which he built on
the top of
the drain without duly strengthening
the latter.
13.
As to Colonel Shark's opinion that the damage to the drain would easily be accounted for by a gorging it with more water than it could discharge, I should point out that the larger drain collects the water from the area of 1.72 acres, shown tinted pink on the general plan, and the old Belmont drain collects the water from an area of 1.61 acres, tinted blue, making a total area of 3.33 acres.
From this minuter survey, I find therefore that I was too liberal in my previous calculations when I took the area of drainage to be 4.47 acres. The 13 inches of rainfall on 3.33 acres is only 524 cubic feet.
The drain, 20" x 18" at its narrowest point, with a fall of 1.4 in 20 feet at its most level portion, is capable, by formula, of delivering a greater quantity of water and sand to the latter than it will carry off the water from 3.33 acres, however hard it may rain; it is perfectly clear...
}
4213
bouliers
sound
the
which Mr foughtries prèsecessor who build the house, had thrown upon top of the drain the heavy son
of
which the embankment is partly composes. Another cause
of ~ injury would be the great weight the drain was called upon to sustain by the action of Mr foughtries prèsccesso
ecessor in the embankment and
house which he built
the top of
the drain without duly strengthening
the latter.
13.
As to folonel Sharks simion that the damage to the drain would reasily be accounted for by a gorging it with more water that it could discharge aus statement that the
And
to his new drain
was able to take, I should point out that the larger drain collects the water from shewn tinted punk
the
ares
of 1.72
172 acres
the general
plan
collects the water
from
the
arca
of
is the old Belmont trains
1.61 acres tinted blue making
of 3.33 acres
completing
of
a total
area. Ou
of drainage this minuter survey I
find therefore that I was toe Liberal in my previous calculations when I to be 4.47 acres. The 13 inches of ram fall
took the
area
drainage of 13 inches
سري
of
3.33 acres is only 524 cubic feet.
drain 20" x 18" at its narrowest in
a
اس نئے سند
fall
of
1.4 in 20
feet
point with at its most level portion capable by formula of delivering
further
that
leading into the Belmont drain
aider
a
greater quantity of
water
and sand to the latter, than it
was
more than
three times the amount of
will not
rain
carry off the
of laws, howeve
3.33 acres
feel, water from hard it may pour it is
perfectly
clear
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