Free trader-journal and Ottawa fair dealer. (Ottawa, Ill.) 1920-1927, 1922-09-01
FRIDAY, SEPTEMBER /, tsaas. :

surface OF the subgrade which are IN.
accessible TO the roller shall be thor.
oughly tamped with hand lamp
not less than fifty (5o)
pounds, the face of which shall not
exceed one hundred n00) square
inches IN are1. An SOFT spo lgY ~
sr-tl and all vegc' ble or
other r'"i h.blc matter shall, be on.
uroly removed and the space reflllsI
with suitable material and the sur
face shall then be rerolled, rammed
and tamped as aforesaid, and this
shall he repeated until roadbed PEI.
feet In form and grade shall he made
and said snbgrade brought to the level
herein established.
Par g. There is hereby established
a curb line on each side of the road
way on Orleans street Chapel street
and the intersection of Orleans aud
Chapel streets Said curb line shall
be so spaced that the width of the
roadways on the above named streets
and the intersection. from back OF
curb to back of curb, shall be twenty.
five t25) feet. The center line of tho
pavement shall coincide with the cen
ter line of Orleans street. The centcr
line of the pavement on Chapel street
shall he thirty 500 feet from the
south line of Chapel street and par
allel Herewith.
There shall be constructed as 4
part of and integral with said pave.
ment a Portland cement concrete curb,
the back lines OF which shall coincide
with the outer lines of the roadways
herein mentioned Said integral curb
shall he six co inches in height above
the adjoining top surface OF the pave.
ment. In any cross-section of sail
curb the top or exposed edge shall CO
incide with a horizontal line extending
two and one,half t21s) inches from
the back edge, thence with an arc of
convex circle tangent to said hori-
zontal line at said point whose radius
is three CD inches, to a point two
and thirty-tive sixtv.fourths q 35-6a)
inches below said horizontal line ev.
tended, thence with an arc of con.
cave circle tangent to said convex cir
Gle at said last mentioned point whose
radius is four and one-sixteentng
a 1-l6l inches, and extends to point
six CD inches below said horizontal
line extended Said inteeral eurbs
shall be constructed of the same ma
terial mixed in the same proportions
as that specified for the pavement
and shall be deposited and struck off
at the same time with the concrete
of pavement The upper six inches.
being that portion of the said integral
curb above the surface Of the pave
ment shall be constructed of the same
materials and mixed in the same pro
portions as that specified hereinafter
for the pavement except that the siin
of the coarse aggregate shall he sucl
as to pass one and one-quarter az
inch round opening. The said upper
six 90 inches of said integral curb
shall be Immediately deposited after
the striking off of the said lower curb
and of the pavement The top and
inside surface of said integral curb
shall he given smooth finish Said
integral curb herein described to be
constructed shall be constructed OF the
same material mixed in the same pro-
portions. as that specified hereinafte~
for the pavement except that imme
diately after the curb forms have
been removed the curb shall be busted
with a dry mixture of one part Port
land cement and one and one-ha {
az parts of sand thoroughly mixed
This mixture shall be applied in SUI
fcient quantity to fill all voids and
inequalities in the surface of the curb
by rubbing with hand trowel.
Par. 4. Upon the subgrade, COM
pacted. surfaced and otherwise pre-
pared as herein specified. and imn,e
diately after sprinklng said subgrado
with water. there shall he constructed
a cement concrete pavement seven tO
inches in thickness the surface of
which shall conform to the grades as
herein specified. Said pavement shall
be laid in one course with an interven.
ing layer of woven wire metal rein
forcing.
Par. . The cement shall meet the
the requirements of the Standard
Specifications for Portland cement,
adopted by the American Society for
Testing Materials August 18th, 1909,
with all subsequent amendments and
additions thereto. adopted by said Sd
ciety. Said cement shall be delivered
in original packages having the manu-
facturer's name thereon. Said pack
ages shall weigh not less than NINETY
four t94) pounds. and four packages
should be equivalent to one barrel, or
four (4) cubic feet
Par. q. Fine aggregate shall con-
sist Of sand or screenings from hare,
durable gravel graded from fine to
coarse, with coarse particles predom:-
mating. and passing when dry a screen
having one.uuarter inch tA) openings.
It shall he clean, hard, free from dust,
soft particles. loan, vegetable or other
deleterious matter, and not more than
five per cent shall pass screen sieve
having one hundred meshes per lineal
inch. Fine aggregate shall be or sueh
quality that mortar composed of one
part Portland cement and three parts
fine aggregate, by weight, when mad,
into briuuettes shall show tensile
strength at least equal to the strength
of / 3 mortar of the same consistency
made with the same cement and stand
ard ottawa sand In no case shall
fine aggregate containing frost 0"
Jumps of frozen material he used.
Par T. Coarse aggregate shall con
sist of clean, hard, durable gravel,
graded in size, free from dust, loan,
vegetable or other deleterious mat
ter, and shall contain no soft, fiat nr
particles The size of the
coarse aggregate shall be such as to