The Delta independent., 1906-04-20

nre hereby eDllClteu Tor repairing the
bridge across the North Fork of the Gunnison
River Mt Paonia, Colorado, according to the fol-
lowing plans and Specifications.
SPECIFICATIONS.
OF MATERI Al AND LABOR NECESSARY TO
REPAIR THE COUNTY BRIDGE NEAR Pa
ONIA AND ACROSS THE NORTH FORK OF
THE GUNNISON RIVER.
FALSE WORK.
The Contractors will furnish and put in place
false work TO hold the floor of the present bridge
in place while the superstructure il being re-
moved and the new work put in place and remove
all false work when the new work is completed.
TIMTERs
The new timbers will be Oregon Fir Of the sizes
as specified excepting the guard rails which will
be native pine. !
Put false work under the floor of bridge in any
manner to support the bridge while the work is
carried on the old hanging beams and floor tim
bers to remain. Remove all top cross ties. top
cor,is batter posts upright posts and railing in a
careful manner so not to destroy any material
and pile all material so removed on the banks Of
river the old railing to he replaced bridge after
the new work is completed and the bridge huns
to be turned over to the county.
NEW WORK.
Furnish frame and put in place all batter posts
upright posts top cords and cross ties as shown
on plans. The batter posts to he of two piece
loN1e placed side by side and bolted together
with SIS bolts with washers not more. than six
feet apart and turned up tight. The four outside
| or end upright post to be one piece SNlo The
u.
| pieces sxS set together fat ways and boted to-
Gether with !, bolts not more than five feet
apart. The two center upright post to be one
| piece 6Ns. The three center spans to have cruss
ties 6xs bolted on to upright posts fourteen feet
from floor with !, iron sway braces from the
| top tie fashion. Top cords to be three pieces
sNl2 saunre butt joints the two outside pieces to
join On top of upright posts the center pieces to
| Join in center of spans. The top cords will be
| tied with cross ties or 6Ns gained down and
| bolted onto the two cords with two SIS bolts N,
each end as shown plans, the batter posts te
| have two cross ties to each pair put on same Us
the other cr,ss ties, the lower one to be Il from
| floor.
| FLOOR.
| Remove all floor plank and refioor the entirc
length of bridge with plank native pine or red
spruce well nailed to floor timbers with GOD
nails.
IEoN WORK.
The old saddle irons sway braces buck rods and
hanging rods to be put hack they now the
hanging rods to be splced out with iron Of the
same weight, size and tensil strength present.
rUds by cutting OF stubs and welding in pieces to
proper length all sway braces and buck rods will
| be heightened in the manner as hanging
| rods where too short and cut to proper length
when too long
| There is to he truss rods put on to the six old
hanging thinkers two truss rods to each timber of
IS iron with IS stubs welded on each end with
) angle iron on top at each end of timber
punched 50 that the rods will be ut outside of
timber the angle iron to be gained into top of
timber outside of hanging nod. The truss rods to
sag down TO bottom of timber at center with
/ one inch iron bar under timber extending across
timber 10 catch both truss rods. After the truss
e. are in place they are to be turned up tight to
| support timber
The six horizontal sway braces at upright posts
to be new and furnished by the contractor.
| PAINT.
| All new wood work and iron except foor) to
TO be painted after being framed and before being
put in place with one coat of mine nal and boiled
linseed oil paint made of l-lbs mineral to one
gallon oil and mixed at least six hours before
| ing.
Timbers to be painted all over sides, top, bot
tom and ends, all surface to be well covered.
SuNpRSs.
All timbers To be of the sizes given and of good
sound and live timber no shakes or dry rot.
All work to be done in good and workmanlike
manner to the satisfaction of the County Com
missioners their representative.
All bids must be sealed and marked Bids for
the repair of the Paonia Bridge and must be
file with the County Clerk by o'clock p. NJ. May
slst, 1906.
DIS. DOUGHTY.
County Clerk snd Clerk of the Board of County
Commissioners of Delta County, Colo.
no Ills