Turner County herald. (Hurley, Dakota [S.D.]) 1883-19??, 1909-06-17

lneQ rOllSN N0lu 60V commune rOllluS
until it is fiEm and thoroughly com
pacted. This course shall be three
inches in depth when complete after
rolling
"After the first course the second
course shall be put on, and the same
method shall be pursued in Its treat
ment in every particular as described
for the FIRST course, except that the
size OF the gravel shall not be larger
than viii 60 through two inch
screen. This course Shall be three
inches in depth after rolling.
"After the contractor has taken out
all wheel and foot m rlks on the sec
ond course and has finished rolling he
shall then put on the last or finishing
course, which shall consist of GO per
cent OF stone and 40 l,er cent of biud
ing material. No stcne shall exceed
one inch longest diane eer. This course
must he spread with sAovels either
| from the wagon or frcm the gravel
dumped on the shoulders. The CON
tractor must not dump the loads OF
gravel on the road proper. This course
after being spread uniformly shall be
wet down and rolled, aud the wetting
and rolling shall be continued until
the road is solid and firm and will not
show the mark of hoof or wheel while
driving over It,"
| There are many miles of gravel
roads within the state of Connecticut
which are as smooth--to use IL term
that is becoming familiar as applied
to improved ronds-ns Il billiard table,
and when, after n year or 80 of traffic,
they are given the surfucing of trap
rock Splinters 1t is difficult to note the
difference in appearance from mac
adam. This construction affords a
hard, smooth and durable surface.
On this official tour of inspection
there was included Il stretch of telford
construction. Here the travel path
had been eXcavated to depth of Il
foot below grade line, and then the
large stone for the first or bed cou. sc
the commissioner requires that "thn
bed stone shall be of the following di-
mensions: Six to ten inches In width,
eight to eighteen inches in length and
eight inches deep, placed by hand.
broadcast surface of depth of stone
placed down and stones laid Ia courses
across the road, all Joints broken and
all interstices chinked in and wedged
with broken stone. All sharp points
OF stone must be broken off with the
hammer to bring the surface OF the
bed stone true to grnde. The bed
stone should be laid up full and strong
so MS to allow for all settling in roll
ing. In no case will the contractor
be allowed to lse stone that Is not UP
to all these requirements. After bed
stone has been laid. chinked and
broken of to grade the roller shall be
run over the bed stone until 1t is flrm-
ly bcdded and Will not kick or rock
under the roller. No nests Of small
stone will be allowed. nor Will the con
tractor be allowed to use rotten stone
1.-THE second course shall be -four
inches over all after rolling and must
be broken trap rock unless otherwise
specified. The stone used for this
course shall be from thrce-fouths OF
an inch to two inches longest diane
ter. mixed in the screens (not In the
bins), the smaller sizes to predominate BE-
The size Of stone for this course must
be strictly followed to the letter. nj
tailings will be allowed. and any de
parture from the size specified will b
at the contractors risk. The stona
must be dumped on the sides of til.
road proper or on the bed stone foun
dation and be scattered with shovel
to the required depth sufficient to ror
down to four inches The rolling shall
b continued until the stones are thor
oughly united, drm and solid unde
the roller.
'The top course shall be one incl
thick when finished. Trap rock screen
ings, including dust mo screening
larger than one-half inch stone vii
DO allowed). shall be used as finish
ing coarse. The screenings after roll
ing Las been done on the last cours
Of BROKEN stone shall be carted on til
sides of the road proper and dumped
at suitable Intervals after which al
wheel tracks and foot marks OF horse
SuNll Oe carefully Hlleu HnO lHcll TOlle'
down flrm6. Then screenings shal
be scattered dry over the surface S
: as to GU all hlterstices, and the role
shall be run over the surface so as t
shake in the d!st. Immediately afte
sprinkling cart shall be used an
the screenings washed in, after whic
more screenings must be added an
sprinklcd and Holled again. and til
screenings. rolling and sprinlSling mus
be continued until all the coara
stones have been covered and the IL
: terstices completely filled and the roa
: is smooth and Will shed water an
: measure in depth one inch Of screel
ings fer wearing surface. The col
! tractor Is not to be allowed to put o
. the screenings ali at one time, by
must spread them on as describe
above, and he is NOT allowed to dev
ate from the above treatment in an
way. The contractor must not W.
the screenings before they have bee
scattered on the brol:en stone am
furth heTmore. they must be perfect