Free trader-journal and Ottawa fair dealer. (Ottawa, Ill.) 1920-1927, 1922-09-01


anco with tho standard specifications
for paving brick gdoptod by the Amer,
lean Society for Testing Materials in
1915, The surface of The brick after
they have been rolled and inspected
shall be swept clean and tlled with an
asphalt filler as soon after the rollins
rs possible All brick shall be filled
and completed ON the day ON which
they are laid,
That at all street intersections the
Nitrihod brick shan be laid railways az
m aglc OF forty 'tiye (l5) degrees to
the center limos OF the streets; at an
other points said brick shall be La
railways at risht angles TO the center
lines Of said streets ANA in true lines.
All brick shall be laid so as to break
in joints 1T least three 60 inches with
the brick IN the adjoining row. and
in no ease shall less than One-fourth
t,l brick be used. That the asphalt
iler shall conform to the folloWing
specifications II shall contain not
less than ninety-ninC and hyC-teuths
$3.50 per cent pure asphaltic bitumcr
absolutely free from pitch OF coal ter
products, and composed OF not NOR,
than srycnty-one t1D per cent nor
less than siXty-seven t60 per ceul
petroleum, ana not more than thirtg
three $3.50 per cent nor less than
! twenty -nine (29) per cent asphatuw.
The specific gravity OF the tillor shall
be- moro than ninety t99t at sixty
(fW degrees Fahrenheit The melting
point shall not be less than two hun
dred ten (2l0l degrees Fahrenheit, OF
by capillary tube tests, it shall not
commence TO melt below one hundred
Ininetyiive G9j) degrees Fahrenheit
nor commence to run below two hun.
bred fifteen l2l5) degrees Fahrenheit
The asphalt shall weight not less
than seven and one.half Gls) pound
| and not ore than eight and oneiomth
$50 pounds to the gallon, ut ten
perature of sixty 600 degrees Fahren-
holt. aud it shall remain ductile at all
temperatures. shall be absolutely
proof against water ARA street LIQUIDS
shall adhere firmly to the brick, be
pliablo rather than rigid thus prONld-
iug for expansion and contraction ana
traffic conditions. The asphalt hllG
shall he placed in a suitable kettle
equipped with thermometer whic1
will register the temperature OF The
contents at all times. The 'aSpha I
filler shall. at no time. be heated to
a greater temperature than its fash
point nor poured at a temperature Of
| less than three hundred l30oD degree
Fahrenheit In order to insure that
Ian. Ill ,Ib tIN IN liz
brick they shall be clean and thor
oughly dry The dller shall be moved
slowly back and forth over the sur
face BY means of suitable squeeges
until all the joints are completely
filled and the surface entirely covered
with a thin coating. Sufficient time
shall be allowed after the asphaltic
filler is flushed over the surface be
fore using the Squeeges to allow it tc
penetrate to the bottom OF the joints
Care must be taken not to sQueeg
partially cooled asphalt filler over TN.
covered brick. thereby bridging the
top joints and not filing the bottom
All settlement in the joints after the
asphalt has cooled shall be corrected
by adding filler before placing the
TOP dressing. 4 coating OF dry, clean
washed sand shall be spread over the
surface to take up the surplus asphalt
The brick pavement shall then b.
! thoroughly rolled to imbed the surface
dressing in the asphalt.
Par. II That the cement concrete
used in the above described foundation
shall be composed Of one CD part OF
best quality American Portland &c,
ment. two and One-half t212t parts
sharp torpedo sand and five 90 parts
Water-drenchCi limestone, or six CO..
part gravel no stone larger than one
and one-half 40 inches in its great
est dimensions thoroughly mixed and
with enough water to make a wet cor
crete If gravel be substituted for
limestone the mixture shall be one a.
part American Portland cement a.
above specified. to six 90 parts
gravel. no stone larger than one ami
0nehalf Gla) inches in its greatest
dimensions such gravel to be free
from earth clay and loan. That the
cement concrete used in the com
bined curb ard gutter, and also in the
guttering and the eurbing, shall BE-
composed Of one % part best Amer
lean Portland cement, as above speci-
fed two GU parts clean torpedo sand
and four "a parts water-drenched
limestone, or five 90 parts gravel. nc
stone being larger than one Cd inch
in diameter in its greatest dimensions.
The cement and torpedo sand shall be
mixed thoroughly and moi5tcned with
water to form a stiff mortar, inrG
which shall be incorporated the fouf
CA parts Of crushed limestone, az
specified above, and rammed into
forms until solid, If gravel be snbst
tuted for limestone the mixture shall
be one CD part American Portland e.
ment to five 90 parts clean bank
gravel. free from loan, clay and earth
and no stone larger than one Ga inch
in its greatest dimensions Said curb
and gutter and also the guttering and
curling shall be finished over the top
and roadway face with one 0) inch
wearing coat of cement mortar evenly
troweed and spread composed OF
one % part of best quality American
Portland cement, and one and one-halt
Gta) parts OF clean, sharp torpeto
sand moistened with water to form a
mortar
Par. II. The elevation along the
ton edge of the curb of the combined
curb and gutter along the respective
streets and also the elevation OF the
center lines Of the finished surface OF
the pavement thereon shall! coincide