Blackfoot news. (Blackfoot, Idaho) 1891-1902, 1900-12-08
NOTICE FOR PROPOSALS.

NOTICE rs HEREBY GIVEN. PURSUANT
~ to the order Of the Board Of County Com
missioners of Bingham County. Idaho, that
sealed proposals for the construction of q
Bridge across Snake River near the town of
Shelley. Idaho, will be received by said Board
up 10 the hour OF 300 O'Clock D. m,
DECEMBER q. 1900;
Said bids Will be publicly opened at said time
1t the ONCE Of said Board at the Court House
in Blackfoot, Bingham County, Idaho. all bid
ders being requested to be present at the
opening of said bids and the Board reserves
the right to reject any and all bids.
Explicit specification for said proposed
bridge are as follows. to-wit:
The total. length Of the bridge to be about
800 feet, built in two spans, each one hundred
and sixty feet, and about one hundred and
eighty feet OF approach on the east end The
bridge will have clear roadway of Is feet
throughout its entire length and will have
clear head room of: not less than IA feet
Trusses are designed to carry a live load of
| 1000 pounds per lineal foot and dead load of
| 100 pounds per lineal foot. All steel and iron
braces are figured with factor OF safety OF
4. all timber has a factor OF a safety Of Q, all
hangers. counters and laterals Will be made
of soft steel, all material will be according to
standard specifications adopted by steel man.
ufacturers as given in the hand book of the
Carnegie Steel Co. at page 1871.
| All trust timber will be OF Oregon FIR Sas.
| The joists Of the bridge will be Of Oregon Or.
there being lines 3x14.
| Flooring will be three inches thick OF some
good quality Of native red pine lumber, laid
diasonally.
All workmanship will be first-class in every
respect.
| All iron work Twin be painted one coat OF
paint before leaving the shops, and the entire
structure will be given one coat Of paint after
| erection.
There will be suitable hand rails provided
on each side of the bridge.
| The foundation on the west bank will be OF
stone work laid In Portland cement mortar
The center pier and east pier will be what Is
known AS tubular pier construction. The CEN
ter pier will be i've feet In diameter and the
west pier four feet In diameter, and OF sufH
| Client length to extend two feet below the bed
of the river.
| The metal I'm piers viii be one-fourth inch
thick and properly braced together by solid
webb plate forming the floor beam between
| the piers.
There will be ave piles driven in the center
pier in each tube and four piles in each tn be
Of east pier
| Piles are to he driven 70 a good foundatI Ion
and extend at least half way UP the tube
tubes then will be filled with good quality
Portland cement concrete.
| The approach will be built In 20 foot paneli
having the same floor construction as that
specified for the spans Each bent OF ap
proach viii consist OF piles capped with one
l0xlo properly sway-braced
| For further particulars reference Is hereby
made TO the plans and specifications for said
bridge now on file IN the Clerks office. al
BIackfoof. Bingham County. Idaho.
Bidders in submitting their proposal will
consider that the County win furnish all rock
and sand for the abuttments and piers, all
piles for the bridge Mt the bride site and will
furnish the hauling OF all other bridge ma
| teriai from the railroad at Shelley to the
bridge site.
| All bidders are required to furnish a good
and sufficient bond 10 the amount OF ave per
cent ~ the bid guaranteeing that they will
enter into q contract TO construct said bridge
according to the plans and specifications In
the event OF receiving the award OF said con
tract
| The person to whom the contract Ia awarded
will bc required to furnish good and sufi
cient bond In the sum OF fifteen thousand dol.
lars, conditioned upon the faithful perform.
ance of said contract
| All proposals must be sealed and addressed
10 the Clerk Of the Board Of County Commits
sioners, BIackfoot. Bingham County, Idaho,
ana marked "Proposals for Shelley Bridge"
| Given under my hand this 18th day OF No
vembcr. 1900. GEO. y. GAGON. Clerk.