THE NEW OMAHA
BRIDGE.
A REPORT
To CHARLES FRANCIS ADAMS , President of the Union Pacific Railway Company,
BY
George S. Morison, Chief Engineer of the Omaha Bridge.
SUBJECTS.
PAGE
I. Preliminary Narrative.3
II. General Description.4
III. Substructure.5
IV. Superstructure. 9
V. Approaches.11
VI. Cost.ii
APPENDICES. PLATES.
PAGE
I.
General Elevations and Plan.
14.
Record of Water Stage.
A.
List of Engineers, Employees, and Contractors .
• • i3
2.
Pier A.
!5-
General Elevation and Plan, Through Span.
B.
Specifications for Masonry.
. . 14
3-
Pier B.
l6.
Through Span ; Panel Point 0.
C.
Record of Sinking Caissons.
• • i5
4-
Pier C.
i7-
Through Span; Panel Points I. and II.
D.
Time, Cost, etc., of Foundations.
5-
Pier D.
18.
Through Span; Panel Points III. and IV.
E.
Specifications for Superstructure.
. . 25
6.
Pier E.
19.
Through Span ; Panel Point V. and Cross-Section.
F.
Tests of Full-sized Steel Eye-bars.
7-
Details of Caissons.
20.
Deck Span ; Elevation and Plan.
G.
Letter to Mr. T. J. Potter.
8.
Arrangement of Air-Locks, Shafts, and Pipes.
21.
Deck Span ; Panel Points 0, I., and II.
9-
Position of Caissons on Bed-Rock.
22.
Deck Span ; Cross-Section, Supporting Bent.
IO.
Diagram showing Rate of Progress in Sinking Caissons.
2 3-
Strain Sheets.
II.
West Abutment.
24.
Harness Used to Carry Combination Trusses.
12.
25-
Travelers Used for Erection and Removal.
13-
Position of Castings on Piers.
26.
1889