Pittsburg dispatch. [volume] (Pittsburg [Pa.]) 1880-1923, 1890-04-18
PROPOSALS
PROPOSALS N.-
FOR
BTi1gH 5upHT3tTuEturE
AND
M SONRY.

OFFICE OF COUNTY CONTROLLER,
PITTsBURG, PA, April 15 1890
Sealed proposals will be received until
o'clock P: M, WEDNESDAY. April %; 1890
at this office for the superstructure and mas
onry of two wrought-iron, pin-connected truss
and tour plate-girder highway bridges, and fol
superstIu ucture only of one wrought-iron, pin
connected truss bridge; also for the construc
tion of two stone-arch bridges, located as fol
lows:
No l. Over Montour run, Skaters.
Through plate-grder bridge, 46L feet clear
span. 50 feet extreme length; depth of girder
so inches: live load. 700 pounds per lineal foot
static load $50 pounds per lineal foot. To have
8 intermediate floor beams.
No. 2. Over Toms run, at Dixmont.
Stone-arch bridge, 20 feet span. semi-circular
No. g. Over Poketos creek. Dougherty's Mill
(skew BRIDGE; low truss bridge. 60 feet center
to center of end pins; two trusses. eacn feet
high and divided into six panels; to have YER
ticle end posts; live load 700 pounds per lineal
foot; static load, $50 pounds per lineal foot.
No. 4 Over Big sewickley creek, Bradford's
Low truss bridge, II feet center to center of
end pins, trusses each feet high and divided
into panels; truss to have vertical end posts;
live load. L700 pounds per lineal foot; static
load. $50 pounds per lineal foot.
No. 5. Over MOntour run, Beaver road cross
ing (skew bridge(.
Through plate-girder bridge. 81 feet clear
span 6O% feet extreme length; depth of girder.
static load. $50 pounds per lineal foot. This
bridge TO have intermediate floor beams.
No. 6. Over Robinsons run, Willow Grove ia
fa dss Srdgs feet clear span IS
extreme length; depth OF girder, % Inches; live
load. L. 700 pounds per lineal foot: static load,
$50 pounds per lineal foot.
No. T. Over F1aughertys run, E. Worth's
Through plate-girder bridge so feet clear
span, 5S% feet extreme length: uepth OF grder
60 inches; live load, 700 pounds per ineal foot;
bridge to have 5intermedIate floor beams.
No. s. Over Burns run, Gumbert's.
Stone-arch bridge, l6 feet span. semi-circular
arch.
channel. Ohio river, at Neville Island. High
truss bridge of three spans. each 1874 feet center
to center of end pins; height of truss 2S feet,
and divided inte IA panels Clear width OF
roadway, 20 feet. Live load. 400 pounds per
lineal foot; static load, l,50J pounds per lineal
foot,
(Also for repairs to masonry OF bridge No. 1
over Watson run).
Clear width of all bridges. unless otherwise
designated, will be II feet
Bridge contractors should examine the sites
for themselves to ascertain their peculiarities.
the extent of false work required and facilities
for transportation, ETC.. before bidding.
MASONRY.
The approximate quantity of masonry is
about 1900 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. -
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
Pttsburg 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 accom-
panied by bidders bond, with two sufficient
sureties in the sum of not less than so per cent
of the whole amount of the bid. Bidders must
bid for each bridge separately, and may. in ad-
dirion. bid for the lot as whole.
Bids for bridge No. 8 must be addressed in
separate envelopes to the Commissioners of
Westmoreland and Allegheny counties, and
for bridge No. to the Commissioners of
Beaver and Allegheny counties.
The right to reject any or all bids ID reserved.
The party to whom the contract is awarded
shall give bond, with two sufficient sureties, in
double the amount of the contract for the
faithful performance of the said contract.
Plans may be seen and specifications and