dam will depend the water resisting character
work
253
of
the
I desire that the entire dam be constructed with Portland cement to the exclusion of bhinese hydraulic mortar
The face walling to be set in thick beds of
Portland cement mortar,
Mo
bed now
joint to be
less in thickness than one inch.
The cost of the dam will be increased by adopting and carrying out these suggestions, but the work will be more enduring and in every
respect more
satisfactory. A leaking dan will have
the appearance of being weak and dangerous,
it is therefore of the utmost importance to guard
against leaking, and with water exerting
an
unceasing pressure varying from about 45 lbs.
to the square inch, or upwards of 26 tous to
the square yard of wall surface at the bottom,
and
No comments yet.
Private notes are available after approval.