The Cairo bulletin. (Cairo, Ill.) 1???-1928, 1906-03-21

leet on the west Slue ana Ten NV
feet on the east side of the center
line Of said street shall be care
| fully eXcavated. filled. graded and
made firm and solid throughout its
aid length and width. by rolling the
same with a roller Of five 90 to ten
| G0 tons weight and by the use of
| any other necessary means 10 make
| Il proper sub-grade surface, and the
lsuh-grade shall be curved or shaped
to that of the half Of an arc whose
cord is sixty (Go) feet in length ana
| who Middle ordinate Is seven and
one.half (712) inches in length. Should
| Il be found necessary o. proper, either
| in The laying of the said sewer or In
preparing the sub-grade for the paving
material to remove any unsuitable
earth or other material and replace
the same with proper materials, II
shall be done, so that in all cases. both
for said sewer and laid pavement,
there Shall be solid and otherwise
suitable foundations for the upper
work to rest upon.
All curling shall be set and finish
ed complete before the completion of
the grading. so that the said curbing
may be used as gulde IN completing
the finished sub-grade and to COM
plete the said sub-grade template OF.
other proper means must be used by
the contractor: and after the grading
is cnce completed and finally and
thoroughly rolled throughout. tho
street shall be well and securely block
ed off so as 10 prevent vehicles from
entering thereon, except those hauling
materials for the work, and in thar
case the surface or sub-grade, shall
be securely protected by planks. The
earth and gravel excavated from the
said street shall be used, SO far as
may be necessary, for filling back Of
and against the concrete support to
the hereinafter required limestone
and the said filling shall be
well and suitably placed and be made
firm and solid on the slope of the leyee
embankment, as an additional support
10 the curbing work.
All cxcavated materials, not used |
in this work, shall be the property of !
he city and be disposed of in such |
places a reasonable distances as may !
DC designated by the Board of Local |
and when no place Is
designated, the contractor shall dis
)osc of the same at his own risk and
Expense No cXcavatlng or grading
,hall be done until the paving mater
al shall have been delivered along the
inc.
Section 6. The curbng on The west
idc Of the pavement shall be natur-
j limestone of the best grade and
luality for curbing purposes, from
edges known to withstand the effects
# frost and free from all seams and
ther defects 1t shall be five 60
inches thick by twenty (20) inches in
width, with straight ends and joints
or the full depth of the stone; and no
l.
eel long shall be used except at clos
res. II shall have a straight and
ven face on the side next 10 the pave
lent and on the top and a straight
nd even face of moi less than four "a
lches from the top on the sidewalk :
de. II shall rest on a concrete J.
six 60 inches deep and
even QD inches wide, and shall =
g backed with concrete six (C) .
ches wide or thick, and @
N U0 inches high from >,
10 bottom Of the curbng; and said =
,nCretc foundation and backing shall
e in one continuous piece, as near as :,
av be. and be composed Of one %
AT Of Portland cement, two GU parts
clean sharp sand and six 60 parts
broken stone, of sizes which will
lss through ring or two (2) inches =
side diameter. The curbing on said =
est side shall extend around to the =
'operty or lot lines at the intersect-
s streets, with curves at corners of l.
10 % foot radius. y
In the setting and backing Of the =
,rbing, the curb stone shall be "
ought TO the proper line and grade
using two (2l stone props or sup b
'rts. not over ten G0) inches in 2
9TH, one near each end of each piece 81
curb stone. The concrete shall be =
iefully rammcd below and behind n
g curb until the curb rests fully upon
and is backed by il as above dc. c'
nbcd. t.
Section T. on the east side Of the q
NcmCnt. ;hcr2 shall be set a con q
etc curb -four 90 inches wide and Al
Give 02l incbc. thick. the inside III
'c a. said curb shall be set ten Q0) "a
It from the center line Of said 4
-cct Said cTbing shall be con. $
.uctcd in sections OF seven ca feet d
Oh in length and in the following Il
amor. viz: forms shall be con 5'
-ucted four a. inches wide ans n
wen and one.half 01ial inches II
en-. which hall be set 10 line and 'h
e-half inch below grade aud then st
ed by carefully tamping into sucn h
ms, in sections seven feet in length. IL
ncrete composed of one part Port. )J