513
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VILnadamu mat
tol Leðué lžadu
DI BAW JE 11 mo maha
10% villam eldaðkai
bevong mod
29.1% hlaq að ná ma
sit to gakbewe Louisa
siduo seg 01,8% at bolžiám gê
(berglaah nate Law akuié
scowlsold yalquie
Ji Jad
sắt lo
odd and
ynied
It is considered, therefore, that it would not be
advisable to build the superstructure of the wall, until the block-work portion of it has been tested
to 50% in excess of the weight that the base of
the wall will ultimately have to stand.
This leading of the wall can be accomplished by
temporarily stacking blocks on the top of the block-work portion of it, in such a manner that the pressure on the base will be distributed in
the same manner as the ultimate pressure it will
have to stand when the whole work is completed.
The pell-mell backing and the filling behind it
should be deposited before the wall is tested.
The wall could be tested as above described in
sections, as the block-work is completed, and the
teat weights kept on until observations show that
all settlement has ceased.
If this methed of testing is adopted it should
not seriously delay the progress of the work, but it is
evidently an operation that was net contemplated when the
contract was signed, and therefore the contractor could
fairly claim to be paid any extra cost he may be put to in
carrying out this testing.
Yours faithfully,
(Bd.) P. R. Varren.
sat Likw
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