The Fort Peck press., 1935-07-25

"A Call U DlUS HdS DceIl issue
by the Kansas City Division Offc
of the Army Engineers for the con
struction of additional railroad ia
, cilities at the Fort Peck Dam. Tn,
, proposals for the WORK from gen
eral contractors will be openec
August 5.
Over S miles of railroad are need
ed to extend the Government line
which now ends at the upper enc
of the spillway, to the end of thu
upstream toe trestle at the east
abutment. The route will follow
the north side of Milk River cou-
lee with a down grade Of 12T
most of the way The road will
serve as a means of bringing in
the huge quantity of quarried rock
which will be used as rip-rap on
the reservoir face of the dam. The
contractor will be allowed $50
calendar days to do the job.
The principal quantities involved
are as follows: Excavation, &c.,
900 cubic yards; Culvert pipe, II
to SO inch. 1920 lineal feet; Ora
vel ballast, 10000 cubic yards;
Turnouts, IL complete; Piling, TO-
500 lineal feet; Ties, 1880; Tim
Der. 671,30O feet B. NJ; Hardware,
& Structural Steel, $500 pounds;
Rails. 29,258 feet.
P%aralleling the main line, there
will be two passing tracks located
on the large spoil area made by
the Massman Construction Co.,
with dirt taken out of the upper
end OF the spillway. Near the east
end of the dam, a spur track will
run over to the site of the control
tate shafts, other spurs will con.
meet with rhe A. 3, and 3 berms,
the main line drops down to
connect with the upstream toe
Steel girders will be used
where the new line crosses the
reStle leading to the inlet portals
If the tunnels.
Boulders from Malta.
The movemant of glacial bould
rs from the stock piles in Phillips
to the dam is now we'll F;
|ner way. The piles near Malta
took Yards are being moved
irst. Tomlinson Arkwright Co i,
f Great Falls is doing the load
% by contract. Two power sho-
els load the stone into special :
ide-dump railroad cars. At the /,
am, the cars are dumped by COM {
ressed air. The rock falls into :.
lace on the water face of the up !.
.ream gravel toe. The first de- J..
very of five cars was received on
uly Is. To date, 1898 cars carry !,
* 1l,940 cubic yards have been :
nloaded. Last Saturday, 1877 car :
ads we're received. A blanket of
lese boulders s feet thick is to be
aced over the exposed part of
lie gravel toe to provide addition r
stability. :
Underwater Cutoff. a
That the Fort Peck Prof ct in n
udes all kinds of construction
ork wherein the latest methods N
I'd innovations are used is in al
Gated in the fascinating job of W
lifting under water the top ends OF
the steel sheet piling in the CT
yer section of the cut off wall. m
lie passage of boats and barges be
and down the river channel bl
ust continue unhampered until ell
81. The steel sheets left project la
9 above the river bottom must
cut off. A marine diver from 81
ocean salvage company is now pl
ting off the steel about II feet fe'
low the water surface. An ell Ri
tric arc, shielded by an enve- iii
De of gas under pressure, is slic. LEI
through the thick metal. The fot
lique part of the job is that the rir
yer is wholly unable to see what fe,
is doing in the muddy water in thu
e river. He is guided by the fol
Use of touch only. This is only pu