The Cairo bulletin., 1910-04-02

lor cracking after being immersed in
water ten (10) days.
| Nosed bricks shall be ued on the
inside of the car track or tracks AMI
/ switehes or turnout tracks of the said
| Cairo Electric and Traction Company,
| the Cairo and st. Louis Railway Com
pany and of the said Cleveland, en-
cinnati, Chicago and st. Louis Rail
way Company next to the rails of
| aid track or tracks and switches or
turnout tracks, and said nosed bricts
shall be of the same general dimen-
sions and character as the bricks
which are to be used for the ba'
IF said brick pavement
Laying the Bricks, Rolling and Wet
ting Surface, &c.
Section y. The bricks must be
closely ami evenly laid in true straight
lines at right angles to the curbing;
and all joints mist be broken at
least three CD inches, Whole bricks
only shall be used except in starting
and finishing courses at the curb or
at catch-basins, manholes, etc, in
which case nothing but half bricks
shall be uaed; 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 he one
course deep.
When the bricks have been lail,
the surface shall be made smooth by
rolling with roller weigh
ing not less than three go
tons nor more than six (6l tons;
|or where rolling is impracticable
then by tamping with a ninety (90)
pounds tamper upon a twelve l12E
INCH oak plank at least six CO. feet
long
THe pavement shall then be thor.
.oughly wet by the contractor so that
all soft bricks can be detected and all
such bricks shall be removed ana re.
splaced with good hard ones; ami all
defective bricks found In the pave.
ment shall be removed by the con.
tractor and he replaced with good
cues.
Expansion Joints.
Section 10. Theresshall be expan.
sion joints or cushions across the
pavement and at right angles to the
cdrbing. every twenty-five (25l feet,
and continuous, Jihe Joint or cushion
neett~een the paving and the gutter,
made of hot ASPHALT or No. Six Co
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 the
brick is completed, the filler or &C
nent grout, which shall be composed
Of equal parts of clean, sharp sand
and Portland cement, shall be made
and applied in the following manner
The sand shall be dry and not ex.
ceeding one-third G-S) of bushel
thereof. together with a like amount
lof Portland cement. shall be placed in
a box and mixed dry until the mass
assumes an even and nDbroten shade
and then clean water shall be added
so as TO form liquid of the consistency
Of thin cream From the time the VA.
Ter - applied until the last drop ID re.
moved and noated 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
1.-THE same being all the while stirred
IN the box as the same is being thus
tempted, and from the moment il
touches the bricks, 1t shall be thor.
ioughly swept into the Joints or GREY.
\ ices. The work of filing should be
mus carried forward in line. three (3)
,of such boxes, as above described
being used until an advance of from
lfiitcen tl5) toi twentySl20) yards has
been made, when the same force and
\, appliances shall be turned back and
Il cover the same surface again in like
manner, except that the mixture of
| the second coat may be slightly