Pittsburg dispatch. [volume] (Pittsburg [Pa.]) 1880-1923, 1889-04-22
.ROPOSALS-
/ FOR
BRIDGE ESUPERSTURCTURE
MASONRY.
MASONRY.
OFFICE OF COUNTY CONTROLLER,
PITTsBURG, PA, April 16, 1853.


PTrTsBURG. PA, April l6, 1883. )
Sealed proposals will be received until 8
O'Clock P. M, Wednesday, April "a 1889, at the
Office of the County Controller, for the SUPER
structure and masonry of one wrought iron
pin-conneeted truss and six plate-girder high
way bridges. and for construction Of one stone
arch bridge, located as follows,
No. /. Over Miler's run, at Collins Mill
Low truss bridge, 50 feet center to center OF
end pins trusses each feet high and divided
into panels; to have vertical end posts. Live
load, 200 pounds per hneal foot; static load,
$40 pounds per lineal foot.
No z over Streets run, Hays station (skew
Plate-girder bridge, 38 feet clear span, Al feet
extreme length. Depth of girder, 48 inches.
Live load, 700 pounds per lineal foot; static
load. $40 pounds per lineal foot. This bridge to
have 10 floor beams spaced 4 feet u inches
center to center.
Present superstructure to be removed by,
and to be the property Of. contractor for new
superstructure; this to be removed as sooD as
notice is given by masonry contractor tnat he
is ready to proceed with foundations.
No. Over Bailey's run, Robert Ba1ley's
(skew bridge).
Piate-girder bridge, % feet clear span, 81 feet
Live load, LOO pounds per hneaI foot; static
load, 6z5 pounds per lineal foot.
No. Over Montour run, atScott's.
Plate-girder bridge, At feet clear span, so feet
extreme length Depth Of gIrder, 60 inches.
Live load, LOO pounds per lineal foot; static
load, $50 pounds per lIneaI foot This bridge to
No. s. Over Plum creek, Armstrong; run.
Plate-girder bridge, 30 feet clear span, 80 feet
extreme length. Depth of girder, % inches.
Live load, 100 pounds per lineai foot; static
load, $50 pounds per lineaf foot.
No. Over Saw Mill run, at Fair Haven
(skew bridge).
extreme length. Depth of girder. % inches.
Live load, 700 pounds per Iineal foot; static
loads $50 pounds per lineal foot.
No. T. Over Little Sewickley creek, at A.
Stone arch bridge, 80 feet span. segmsntal
arch.
No. 8 Over Potato Garden run. MarshaRs
Plate-girder bridge, % feet clear span, 81 feet
extreme length. Depth Of girder, Is inches.
Live load, 17O0 pounds per hneal foot; static
load, 625 pounds per Ineal foot.
(Also for repairs to masonry Of bridges over
Lowries run, at Courtney's mill, and Piney
Fork, at MeGowan's.>
Clear width of all bridges to be II feet. All
bridges to have wrought iron floor beams;
these beams Except where sizes are shown on
plans) to be proportioned to carry distributed
live load of at least ten tons All girder bridges
to have (unless otherwise specihed) two inter-
mediate transverse floor beams. Plank floor
ing on girders (unless otherwise specifed) to
Mt down close on top hanges or girder, and to
project outside of fanges inches. All bridge
timber Except wheeEguards) to be sound
white oak; wheel-guards to be sound straight
grained pine.
Deck-girder bridges TO be provided with
heavy wrought-iron protection railing. Rail-
ing stanchions to be securely connected with
iron girder, and not attached TO wooden floor.
All iron to be good bridge iron and to COM
ply with specifications. Workmanship to be
hrstclass and conform to specifications.
Bridge contractors should examine the sites
for themselves 70 ascertain their peculiarities
the extent of false work required and facilities
for transportation, ETC., before bidding.
MASONRY.
The approximate quantity of masonry is
about 2 400 cubic yards. and must be of good
quality and conform to specifications.
Bids to be by the cubic yard in place, price to
include excavation, pumping, snoring. Golfer
dams, etc.
Stone to be sound and durable, and to be ap-
proved by the County Engineer.
Contractors must visit the sites Of proposed
bridges before submitting bid
The county will furnish the cement loaded
on cars at any railroad depot in the cities Of
Pittsburg or Allegheny, the contractor to pay
the freight.
All bids must be addressed to the County
Commissioners and indorsed, Proposals for
Bridge Superstructure," or bridge Masonry"
as the case may be; each proposal to be ac-
companied by bidders bond with two suffi-
cient sureties, in the sum of not less than 50
per cent of the whole amount of the bid.
Bidders must bid for each bridge separately,
and may, in addition. bid for the lot as a
whole.
The right to reject any or all bids is re-
served.
The party to whom the contract is awarded,
shall give bond, with two sufficient sureties, in
faithful performance of the said contract
Specifications and forms Of bond can be
obtained at the office of Chas. Davis, ESQ.,,
County Engineer, after Thursday. April Is,
1859. JOSIAH SPEER,
County Controller.
OFFICE OF THE COUNTY CONTROLLER,
PITTsBURG, PA. April Is 1889.
NOTICE TO CEMENT DEALERS
IN Sealed proposals will be received at this
office until 8 o'clock P. NJ. WEDNESDAY,
April "a, 1889, for furnishing the cement neces-
sary for the construction and repair of county
structures for the ensuing season.
Any Of the following brands of cement viii
be considered: Norton's Cement New York
and Rosendale Cement and Hoffman's Cement.
Amount needed, about 1000 barrels.
Bids must be by the barrel, loaded on cars at
any depot in the cities of Pittsburg or Ale
gheny that the County Engineer may direct
Each proposal to be accompanied by bond
in the sum Of s., 500 executed by the holder as
principal and two sufficient and responsible
persons as sureties.
The party to whom the contract Is awarded
shall give bond, with two sufficient sureries in
performance Of said contract
The Commissioners reserve the right to reject
any or all bids.
For further information inquire at the Office
JOSIAH SPEER,
apl844 County Controller.
DUNCAN G WHITE,
Building Contractor,
IL Diamond street.