The Owyhee nugget. ([Silver City], Idaho) 1905-1984, 1910-06-09

Nf'N"SN0e
Net sections shall be used in calculating
tension members.
In deducting rivet holes, they must be
taken q inch larger than the size Of the
rivet.
In field connections, the number Of
rivets, or bolts, must exceed by twenty
five per cent the number which would be
required for shop connections. All con-
nections must be made to develop the full
strength Of the members.
All parts must be neatly finished, rivet
heads must be Of uniform size and formed
concentric with the body of the rivet.
All material must be manufactured in
accordance with the best current practice
for such materials.
All field connections to be bolted and
threads checked.
Trusses to be given proper Gambler.
Joists: II wood, there shall be ten
rows Of joists 3'x14" Of Douglas or Coast
fir of good quality, free from defects i'm
pairing their strength or durability. They
shall be checked one-half inch over all
bearings and their tops brought to an ex-
act level for flooring. They shall have
full bearing on all floor beams and bridged
with 2x4" bridging.
Floor: The floor shall be of 80 Doug
las or Coast fir, Sx12 inches wide, laid
crosswise. 1t shall be of the best quality,
free from defects; the planks shall be laid
heart side down, with spaces between of
d inch, and each plank shall be secured
to each joist with two God wire nails.
Wheel Guards They shall be of PIX
81 Coast fir, firmly fastened to the floor
with lag screws.
Painting: All metal work, before leav-
ing the shop, shall be thoroughly cleaned
from all loose scales and rust, and given
one good coat of some standard graphite
paint, well worked into all joints and
open places.
After erection, all exposed metal work
shall be given another coat of graphite
paint.
The fence and outside face of outside
stringers to be given two coats of dark
slate colored paint.
Bids will be received in two ways: For
bridge complete as shown by plan, with
steel joists; with an alternate bidfor wood
joists.
GENERAL.
All grading will be done by the county,
and will not be included in the contracts.
Neither will the bulk heads for approaches
be included i'll the contracts.
The contractor will furnish all false
work and staging that may be required
for supporting the bridge during erection
and must remove same after the work is
completed, and leave the site free from
refuse caused by his operations.
The contractor must assume all respons-
Utility for accidents and loss that may re-
suit from his operations during the cree
ton OF the structure, and until accepted
by the Commissioners or their agent.
The plans are intended to cover the
of complete, frst-class strue-
lures, in workmanlike manner, and any
parts which are essential tothe completed
structures are intended to be included,
whether they are specifically required, or
not, by the plans and specifications.
Before submitting proposals, the con-
tractor should satisfy himself of the loca-
ton and nature OF the work to be bid for.
Each proposal shall be accompanied by
a certified check for 5 per cent of the
of the tender, which will be alb
solutely forfeited to Owyhee County, in
case the bidder whose proposal is accepted,
fails to enter into a contract with the
said County; and the successful bidder
must give good and sufficient bond in
the sum of go per cent of the contract
price, for the faithful performance Of his
contract, and the price bid must be for
the completed structure, as no extras will
be allowed.
All members will be checked in the
field, and if not of size shown on draw
ngs or called for in the specifications,
hey will be rejected and will not be per-
nitted to be placed in the structures.
Bids will be opened at the Clerks of
ice, in Silver City, June 18th, 1910, at
two o'clock p. m.
The Board reserves the right to reject
any and all bids offered.
By order of the Board,
R. G. NOBLE,
Road Overseer, Dist. No. 5.
RALPH A. MCDOWELL,
Road Overseer, Dist. No. 10. |
SEAL CHAs. H. CRETE,