Burlington weekly free press. [volume] (Burlington, Vt.) 1866-1928, 1908-09-24
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:COOD ROADS :


yards and rather peculiarly, while 10 i-3
cubic yards Of gravel was applied as "A
dressing 10 ubic yards OF dust and refuse
was removed
In tho treatment the section road
way was first thoroughly swept and the
repairs for the nut holes and the depres-
slons were made. The repairs were made
following the sweeping so that the SWEEP
or would not disturb the stone taht had
been used for making repair. and which
would be rather loosely placed at lesst
not so securely there vas no danger OF
tho stone being looscned. The tank wagon
nllod With water gas tar was driven over
the way and after the distribution ~
the tar upon tho surface the tar wa
well worked IN by means OF the push
hrooms. When this had been done a
dressing Of gravel, a light coat, va
spr"nd, but the tar was so much ad
sorbcd by the surface Of tho road that
the gravel was not bound and did not
hold well. This nocessitated another ap-
vlicaton Of tar and then a second coat
Ing Of gravel was applied this absorbing
the excess Of tar worry thoroughly. When
this had been done tho roadway was we'll
rolled
Tile treatment was not At that time re-
rardol as q success because the tap
saturated gravel did not adhere well TO
tho surface Of tn" road and there was =
tendency FOR tho coating to curl and pick
UP under the road roller whore the road
had been patched Tho road VA allow
cd to remain for a 'cw days and then II
vas found that the condition improved
Immensely although the surfar VAS not
firm ON tho patches. where there was a
tendency toward travelling. The road ap-
pcarei to improve and was admirable N
wet weather. "vcn after heavy rain there
being no mud that was obnoxious. while
in dry weather the surface was hold we'll
together and while not MS compact the
surface remained in place. even under
heavy traffic. After three months use
the road had improved appreciahiy and
not only were tho patches holding much
letter than the early condition gave
;rorIise Of doing but tho surface had
stood up under the trafc to a degree
wh!cl was quite unexpected. Not only
this. tic road wns free from dust and
was slightly and comfortably to ride
/ oVcr.
WATER GAS EXPERIMENT no ?.
For this trial a section ot highway ie5
feet IN length was selected. and this for
n width Of y feet was treated. In the
preparation much the Same work as in
No vas performed. this calling for
the sweeping OF the surface thoroughly
! with team sweeper and then TO make
| the patches with crushed stone. the stone
being loosened with pickle sized and
| tho No. stone replaced and the hoe
| flied with No. stone, which was rolled.
! There was not the same degree ~ repair
as this section was not as greatly IN need
Of restoration as No. l. AS compared
With the previous experiment, howev,V
| but one treatment Of tar was made ana
the excess not absorbed by the road sur
face was taken UP by coating OF gravel
which vas later rolled In connection
with this the saturated gravel was not
compa Cted as desired. but there was not
| the tendency for tho material 10 loosen
| from the stone and to adhere to the
roller as was noted In No. /. AS no.
ticeabe with No. the surface under the
traffic improved perceptibly and In wet
weather was not changed. The suppress
sion OF dust was effectually accomplish
ed and after a week or 10 days It was
| almost Impossible for tho observer to de
tect any difference between the two
contrast in color. that OF the two appl!-
| cations being tho more pronounced. but
the main variance was the conpactness
OF the surfacing
In this work the application was o3S OF
gallon a square yard Tho total cost
| was IA cents a square yard. this being
made up on 40 cents for labor, II cents
for tar 0s cents for gravel. 80 cents for
|
dust and other denominations. on the
l67 square yards of surface one and
third cubic yards OF gravel was spread
| and one and half cubic yards OF sweep
| ings were removed.
WATER GAS TAR EXPERIMENT
| NO. 3.
| In the same highway section OF lot
yards WAS treated with water gas tar
with a view of determining It's value as
dust suppressor. Tho road was In no
way prepared. II being desired TO learn
exactly what would result we're this used
as IL oil. emulsion or water. The worth
OF the material for binding was not in
| the least considered and tho tar was
spread with a sprinklng tank cart this
| giving a fairly even distribution while
as much spread MS was absorbed
without tho surface becoming muddy
from tn. treatment. Nothing further was
done and no dressing Was applied. the
road being permitted to dry through alb
| sorption and evaporation Though the
| road was much darker in appearance
| there was nothing IN any way that was
| Objectionable and not only was the dus,
quite suppressed, but with time the sur.
| face was harder and well bound By
tn. residum remaining after the volatile
oils had been dissipated
So efficient IN results was the expert.
| ment that at the expiration Of three
| months no dust was perceptibe after tie
passing OF a rapidly moving vehicle and
the treatment appeared 10 have beoN
| more than ordinarily successful. Not
| only this but the cost was very small
| The quantity OF tar used was 90 OF
gallon, The cost OF the material was %
| cents md OF labor o6 cents, making a
| total OF Is cents square yard. 1t
| believed that with long sections Of road
the cost could he reduced TO close TO a
| cent a yard.
For the information Of those who have
! no immediate reference the following
! brief facts Of road area by yards Will
| serve to better illustrate the statements
| made which deal with this form OF
| units.
One mile OF roadway,
| Width Area In