The Cairo bulletin. (Cairo, Ill.) 1???-1928, 1912-09-05

leept in starring and finishing courses
at the curb or at catch basins, man
holes, etc., in which case nothing
but half bricks shah be used; and ia
breaking bricks for this purpose the
Joints must be cut straight and
square with the tops and sides. Sale
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 weighing
not less than three t3) tons nor
more SIX t6D TONS. or where rolling
is impracticable then by tamElng
with q ninety t90l pounds tamper
upon twelve inch oak plank at
least six co feet long.
The pavement shall then be thor
oughly wei by the contractor so thar
all soft bricks can be detected and
all such bricks shall be removed and
replaced with good hard ones; and
all defective bricks found in the
pavement shall be removed by the
contractor and replaced with good
ones.
Expansion 10 nts.
Section IS. There shall be evpan
sion joints or cushions across the
pavement and at right angles to the
curbing, every twenty-five t25l feet
and a continuous like joint or cush-
| ion between the paving and the gut
ter, made of hot asphalt or No. Six
4 CO. pitch, one ID inch thick, and
, extending from the top OF the paw
inc down TO the bottom of the
bricks.
The Filler.
| Section IA. After the rolling OF
/ the brick is completed. the filler OF
cement grout, which shall be com
posed 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 t1-3l OF bushe
thereof, together with a like amount
Of Portland cement, shall be placed
, mass assumes an even and unbroken
| shade and then clean water shall b.
added so as to form liquid OF thf
consistency of thin cream. From
the time the water is applied unit
the last drop Is removed and fioate1
| into the joints Of the brick pavement
the grout shall be kept in constant
motion The mixture shall be re-
moved from the box to the street su =
face with a scoop shovel. the sans
being all the while stirred in tn,
box as the same IS being thu.
emptied, and from the moment i
| touches the bricks. 1t shall be thor
oughly swept into the joints OF
crevices The work of filling shoult
be thus carried forward in line
three t3l OF such boxes, as aboY;
| described, being used until an ad
vance of from fifteen go to twenty
! (20l yards has been made. when tbs
same force and appliances shall bt
turned back and cover the same sur
face again in like manner, excep
that the mixture Of the second Goa
may be slightly thicker than the first
This process shall be continued un
til all of the spaces between tht
bricks are thoroughly filled. After
the joints are all thus flush with OF
filled to the top of the brick ant
sufficient time for evaporation hai
been allowed so that a coating OF
sand will not absorb the moisture
| one-half u of an inch in thick
ness OF sand shall be spread over
the whole surface; and in case thu
work Is subjected to hot summer
sun, an OCCASIONAL sprinkling witt
water, sufficient to dampen the sand
should be followed for two or three
days. The grouting TINS finished
| must remain absolutely free from
disturbance or traffic of any kind
lOI IL peElJu vi seven ' I udyS.
Section Is. The finished sub
grade, the concrete foundation th,
sand cushion and the brick paving
thereon shall be parallel to each
other and have the shape and cury.
above described and the center lin,
of the top and finished surface o
the paving when completed shall b,
laid to the grade of the said Sixth
lstreet as given in section seventeen
| G7j Of this ordinance
| Said brick paving, including tn,
gutter-fags OF said combined curl
and gutter, shall be Of the Width
betwene the inner faces of the curb
of thirty-six t%6l feet east of Com
mercial avenue and thirty 1907 fee
west of Commercial avenue.
Section l6. The said finished sub
grade, the concrete foundation, tn
sand cushion and the brick paving
shall at all unpaved street intersec
tons, from the said west line of Obi
street to the said east line of Wash
ington avenue, be extended aroun,
4