The Cairo bulletin., 1909-07-26

NG, JULY 2G, 1903.
and finishing courses at the curb or
at catch-basins, manholes, etc, In
which case nothing but half bricks
lshall be used; and in breaking bricks
for this purpose the joints must be
cut straight and square with the tops
and sides. Said bricks shall be laid
upon their edges and shall be one
course deep.
When the bricks have been laid,
the surface shall be made smooth by
rolling with roller weigh
ing not less than three CD
ton nor more than six CD tons;
or where rolling is impracticable
then by tamping with a ninety 600
pounds tamper upon twelve G2)
inch oak plank at least six (6) feet
Hong.
The pavement shall then be thor
loughly wet by the contractor so that
all soft bricks cansbe detected and all
such bricks shall be removed and re
placed with good hard ones; and all
defective bricks found in the pave
ment shall be removed by the cor
tractor and be replaced with good
ones.
Expansion Joints.
Section l3. There shall be expan-
sion joints or cushions across the
pavement and at right angles to the
curbing, every twenty-five t25) feet
and a continuous like joint or cushion
between the paving and the gutter
made of hot asphalt or No. Six (6l
pitch, one % inch thick, and extend
ing from the top of the paving down
to the bottom of the bricks.
The Filler.
Section IA After the rolling of thu
brick is completed the filler or ce
ment grout, which shall be composed
and Portland cement, shall be made
and applied in the following manner;
The sand shall be dry and not ex
ceeding one-third 0-3) of bushel
thereof, together with a like amount
of Portland cement snall be placed in
a box and mixed dry until the mass
assumes an even and unbroken shade
and then clean water shall be added
so as to form a liquid the consistency
of thin cream. From the time the wa
ter is applied until the last drop is re-
moved and fIoated into the joints OF
the brick pavement, the grout shall be
kept in constant motion. The mixture
shall be removed from the box to the
street surface with scoop shovel
the same being all the while stirred
in the box as the same is being thus
emptied, and from the moment il
touches the bricks, it shall be thor
nughly swept into the joints or GREY
ices. The work Of filling should be
thus carried forward in line, three ca
of such boxes, as above described,
being used until an advance of from
! fifteen (l5) to twenty (20J yards has
been made, when the same force an
appliances shall be turned back and
cover the same surface again in like
manner except that the mixture OF
the second coat may be slightly
thicker than the first This process
shall be continued until all of the
spaces between the bricks are thor
oughly filled. After the joints are al
thus flush with or filled to the top Of
the brick and sufficient time for evap-
Grafton has been allowed so hat g
coating Of sand will not absorb the
moisture, one-half (h) of an inch in
| thickness of sand shall be spread over
the whole surface; and in case the
work is subjected to a hot summer
sun, an occasional sprinKllng with wa
tier, sufficient to daupen the sand.
| should be followed for two or threc
| days, The grouting thus finished must
remain absolutely free from disturb
ance or traffic of any kind for a pc
riod of seven ca days.
Section Is. The finished sub-grade.
the concrete founGation. the sand
cushion and the brick paving thereon
shall be parallel to each other and
have the shape and curve above de-
scribed and The center line of the top
and finished surface of the paving
when completed shall be laid
to the grade OF the said
Walnut street and Holbrook avenue,
respectively as given in section sey
Ienteen G7D of this ordinance.
Section 16. The said finished sub
grade. the concrete foundation the
sand cushion and tne brick paving
shall, at all unpayed street intersec.
tions, from the said north line of JEFF
ferson avenue to the said south line
.of West Twenty-eighth street. be ey-
tended around and out to the lot line
on both sides of he said Walnut
street and Holbrook avenue. respec-
lively, in the manner hercinbefore in
dicated for the extension Of the said
combination concrete curb and gut
ter at such street intersections
Section II. In the description of
the Improvement herein provided for,
the word grade shall mean the