The Cairo bulletin. (Cairo, Ill.) 1???-1928, 1907-06-03
(SO0) pounds combined weight each.
Section 4. A concrete curb and gut

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ter, OF the kind and pattern known as
the combined curb and gutter, shall
be constructed on both sides OF the
said avenue and az the outside edges
lof the brick pavement from the noltn
line OF the said Second street to the
north line Of the said Thirty-ffth
street. except MS hereinafter provided
for street intersections, II shall be
made Of one CD part OF Portland CO;
ment, three CD parts Of clean sharp
sand and Co parts OF hard limestone
broken into sizes which will pass
through a ring of "a of an inch in
side diameter, The curb portion
Iaboye the gutter flag shall be six CD
inches high and six co inches thick
and the gutter flag shall be twenty
four (24) inches wide and six 60
inches deep, and its curvature shall
he continuation Of the curvature OF
the brick pavement. The said com
bined curb and gutter shall be set on
a bed or foundation of cinders eight
! (SJ inches in depth. well weted and
| tamped, and the said cinder foundation
and the said curb shall be well sup
ported with natural earth backing
which shall also be well tamped and
made firm and solid. The said cinder
Foundation and combined curb and
lgutter shall be so constructed, set
and placed that the distances between
the inner faces of the curbs, on the
sides of the avenue, shall be sixty
eight (GS) feet, south of Center street
and sixty (Go) feet north thereof. The
TOP surface OF the set and finished
curb shall be at all points and places
three CD inches below the level or
elevation of the top surface OF the
finished brick pavement at the center
lime of the said avenue. AT all street
intersections, the cinder foundation
and the combined curb and gutter
Ishall be extended around, with curves
lof an eight (S) foot radius, to the lot
.lline on both sides of the intersecting
Istreets, so that the distance of the
lface of each curb at the lot line shall
| be fifteen (15) feet from the center line
of the street on streets sixty (60) feet
wide, and twelve 12) feet on streets
fifty 600 feet wide, except that on
Eighth street said distance shall be
eighteen 1S) feet; and between the
ends of the curbs so extended around
to the lot line on intersecting streets
and along the avenue line natural
limestone marginal curbs, six 60
Inches thick and twelve Q2) inches
wide or deep. shall be set on a natural
earth foundation and be well sup
ported, on the outer sides, with
natural earth well tamped, and said
limestone curbing shall be so set and
placed as to be flush with and support
the brick paving which, at all street
intersections is to extend across the
lentire width of the said avenue.
Section s. Those parts of the said
avenue, north of the said Center
street, of the widths of twenty GOD
feet and whose center lines coincide
with the center line of the avenue
land which lie between the intersect-
ling streets and opposite the adjacent
blocks, shall not be paved, but shall
be reserved for grass plats, and the
same shall be separated from the
adjacent brick paving by concrete
curb six CD inches thick and seven
teen 90 inches wide or deep, made
and set as above required for the
said combined curb and gutter, and
| the top of the said curb shall extend
| six Co inches above the adjacent
brick paving The said reservations
| for grass plats and the curbing
around the same shall be rounded at
! the corners, at and near the inter
sectng street lines, to the curve of a
radius of four ca feet. All curbing
shall be set and finished complete be
fore the completion of grading. so
| that the said curbing may be used as
guide IN completing the finished
subgrade, and to complete the said
means must be used by the con
tractor; and after the grading is once
completed and finally and thoroughly
rolled throughout. the street shall be
well and securely blocked off so as to
prevent vehicles from entering there
on, except those con aiming materials
for the work, and in that case the
Surface or subgrade shall be securely
protected by planks.
Section g. The top of the
gutter fiag shall be continuation
of the curve or arc of the top surface |
of the finished pavement. The comb |
nation curb and gutter shall be con
structed with joints eight (S) feet
APART in the following described man
no.: said concrete is to be pre- |
pared from crushed stone, sand and |
Portland cement and shall consist Of
two (2) courses. The first course |
shall be the bottom course and shall |
he live (5) inches in depth, and shall |
be laid on eight 90 inches of clean |
cinders thoroughly moistened and |
tamped to conform TO the outline OF
the form for the combined curb and
gutter. The second course shall be
the finishing or wearing course Or
surface and the same shall be one Gb |
inch in depth
nj -.