The Owyhee nugget. ([Silver City], Idaho) 1905-1984, 1910-06-02
BIDS WANTED.

AA(I " INV A~h<s
Notice is hereby given that sealed bids
will be received at the office of the Clerk
of the Board of County Commissioners of
Owyhee County, Idaho, for the construc-
ton and erection of bridge across the
Bruneau River near Hot Spring, in said
County, in accordance with the following
specifications
The proposed bridge shall be built across
the Bruneau River near Hot Spring post
office, thirty (30) miles to haul material
from Mountain Home, Railway Station
on the Oregon Short Line Railway. The
work shall consist OF furnishing and con-
structing two sixty (60) foot steel spans,
or one sixty (60) foot steel span and one
() sixty (60) foot timber span, and in
either case the spans shall be built as per
materials shown on plans now on file with
the Clerk of the Board 1t being under
stood that in case one "a timber span is
built, the old timbers now on the ground
shall be used to the best possible advan-
tage in rebuilding the timber truss and
any material not on hand shall be fur
nished by the contractor, which shall in
clude all timber, steel rods, and bolts,
paint, nails, piling, and all material re-
quired to complete the work ready for
travel except the earth fills at ends of
bridge, which are not included in the
specifications, and which will in either
case be constructed by the county.
The timber span, ii built, shall be CON
structed in four (4) fifteen (15) foot pan
els, the contractor to paint all abutting
ends of truss timbers before the material
is assembled and all of the truss and rail
ing timbers shall be painted during or
after the erection of the span with oxide
of iron paint, mixed in pure linseed oil.
Part or all of the large floor stringers now
on the ground may be used in forming the
new truss, but ifso used the contractor shall
furnish such other floor stringers as will be
equivalent to ten lines of 3x14 joists.
All floor joists shall be ''Bridged' at
center of panel with 2"x4" timber
and the joists shall all besixteen feet long
so as to lap on floor beams, at which point
they shall be we'll spiked together. The
floor beams shall be made of size best
to he obtained from the material on hand,
but shall not contain less than one hun
dred sixty eight (16S) square inches of
timber or a stick equal in area to a 1cx14
timber. The rail posts shall be of AKA
timber and shall be bolted to the outside
joists or chord timber with a seven inch
lag screw and through the wheel guard
with one-half ~ inch bolt.
All floor plank not ON the ground shall
be three inch native or coast timber not
less than eight inches wide and full six
teen feet long and shall be well spiked to
the ioists with sixty (6O) wire spikes.
1t being understood that where these
specifications are not full in detail they
shall be interpreted to require the con
tractor to rebuild the timber span in a
good workmanlike and serviceable man
ner including one pile foundation, con-
sisting of six piles in two rows, three (S)
piles to the row, and also drive two wings
on.each side of bridge and plank them up
with three inch plank ready to hold the
earth FILL
The steel span shall consist Of such
sizes of steel shapes and material as are
shown on the plans. Bidders may bid on
either wood or steel ioists in floor system.
An steel shall have an ultimate strength
of from $1,000 to $1,000 pounds per
square inch. It'shall be tough, ductile
and fibrous and free from flaws.
All details such as lacing, connection or
stay plates and riveting shall be according
to good shop practice.
All metal shall be painted one coat red
mineral or black graphite paint before
shipment and a second coat to be applied
during or after the erection of the work.
Center pier. The center pier shall con-