The Cairo bulletin. (Cairo, Ill.) 1???-1928, 1910-04-18

4 intersections. II shall be made D
1 one % part of Portland eemen
and five 60 parts of washed, rive
gravel of sizes ranging from gravel o.
two ca inches in diameter down tc
coarse sand, and the same shall BIZ
graded so that the gravel and sand
shall not contain more than twenty
t20) per cen voids, and the curb por
ton above the gutter-flag shall be
|six CD inches wide and three and a
half t31al inches high at the SUBMITS
half way between the catch-basins
and from thence the height of said
curb shall increase at uniform rate
to the catch-hasin, where its height
shall be six and half tGia) inches
above the gutter-flag. and the gutter.
flag shall be six co inches thick and
twenty-four (2fl inches wide measur-
ed from the back of the curb, and its
curvature shall be a continuation of
the curvature of the brick pavement,
hereinafter provided for.
The expose surface of both the
curb and gutter portions of said com
bination concrete curb and @guttef
shall be constructed OF Portland
cement mortar, composed of one Cd
part of Portland cement, and one and
one-half dh) parts of clean, sharp
sand. The said combined curb and
gutter shall be set on bed or foun,
dation of cinders, eight (S) inches in
depth, well wetted and tamped, ana
the said cinder foundation and the
aid curb shall be well supported
with natural earth backing, which
shall also be well tamped and made
firm and solid. The said cinder foun-
lation and combined curb and gutter
shall be so constructed, set and
placed that the distance between
the inner faces of the curbs, on, the
sides of the said Eighth street, shall
be thitty-six 1861 feet, from the
west line of Ohio street to the east
line of Washington avenue, and thir,
ty- (30l feet, from the west line OIL
Washington avenue to the east line
Of jefferson avenue
The top surface Of the set and fin
shed curb shall be at all points and
places one ~ inch below the Level
rr elevation of the top surface of the
inished brick pavement, hereinafter
'rCvlded for, at the center line Of
he said street. At all street inter
'actions, except at the intersection OIL
Ne said Eighth street with the said
avenue, the said Wash |
ny avenue being already paved, the
aid cinder foundation and combined
.urb and gutter shall be extended
round, with curves Of an eight (8) |
GOT radius. to the lot line on both
ides Of the intersecting streets SO
hat the distance between the curbs !
hall be thirty 500 feet on Railroad
treet. sixty-eight (6S) feet on Com
nercial avenue, thirty-two (92) feetl
N Walnut street and thirty-two (32l |
eet on Cedar street; and between |
he inside edges of the gutter-flags
{ said combined curb and gutter so
Intended around to the lot line on
ntersecting streets, and along thel
treet line natural limestone mar
inal curbs, six (6) inches thick and
velve q2) inches wide or deep, shall
3 set on natural earth foundation
nd be we'll supported, on the outer
ides, with natural earth, well tamped,
nd said limestone curbing shall BE-
0 set and placed as to be flush with
nd support the brick paving, which
t all unpaved street intersections
to extend across the entire width
said street.
Section 6. All curbing shall be set
nd finished complete before the
ompletion of grading. so that the
aid curbing may be used as guide
! completing the finished sub-grade
MI to complete the said siib-grade.
template or other proper means
lust be used by the contractor; and
fter the grading is once completed
nd finally and thoroughly rolled
the street shall be well
I'D securely blocked off so as to pre-
emit vehicles from entering tnerevL
Scept those containing materials for
le work, and in that case the sur
ice or sub-grade shall be securely
rejected by planks.
Section Z. The top of the gutter
ag shall be continuation of the
lrve or arc of the top surface of
le finished pavement. The combi-l
alton curb and gutter shall be con
.ructed with Joints eight (Sl fee,
)art in the following described man
or: Said concrete is to be prepared
ON washed, river gravel, sand and |
ortland cement and shall consist d
yo f2l courses. The first course
lall be the bottom course and shall
3 five (5) inches in depth, and shall
2 laid on eight 81 inches OF clearl
nders thoroughly moistened andl
lmped to conform to the outline of
le form for the combined curb and
litter. The second course shall be
e finishing or wearing course orI
l