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|Table of Contents|
|List of Illustrations|
|Report of the chairman and chief...|
|Appendix A: Report of the assistant...|
|Appendix B: Report of the division...|
|Appendix C: Report of the division...|
|Appendix D: Report of the resident...|
|Appendix E: Report of the resident...|
|Appendix F: Report of the assistant...|
|Appendix G: Report of the inspector...|
|Appendix H: Report of the chief...|
|Appendix I: Report of cost-keeping...|
|Appendix J: Report of the chief...|
|Appendix K: Report of the subsistence...|
|Appendix L: Report of the examiner...|
|Appendix M: Report of the disbursing...|
|Appendix N: Report of the head...|
|Appendix O: Report of the head...|
|Appendix P: Report of the chief...|
|Appendix Q: Report of the superintendent...|
|Appendix R: Report of the general...|
|Appendix S: Report of the...|
|Appendix T: Tables showing increases...|
|Appendix U: Acts of Congress affecting...|
|Appendix V: Charts showing organization...|
ALL VOLUMES CITATION SEARCH THUMBNAILS PAGE IMAGE ZOOMABLE
STANDARD VIEW MARC VIEW
|Table of Contents|
Front Cover 1
Front Cover 2
Front Matter 1
Front Matter 2
Front Matter 3
Table of Contents
List of Illustrations
Report of the chairman and chief engineer
Appendix A: Report of the assistant chief engineer in charge of first division of the office of the chief engineer
Appendix B: Report of the division engineer, Atlantic division
Appendix C: Report of the division engineer, central division
Appendix D: Report of the resident engineer, fifth division
Appendix E: Report of the resident engineer, sixth division
Appendix F: Report of the assistant to the chief engineer in charge of second division of the office of the chief engineer
Appendix G: Report of the inspector of shops, department of construction and engineering
Appendix H: Report of the chief engineer, Panama Railroad relocation
Appendix I: Report of cost-keeping accountant
Appendix J: Report of the chief quartermaster, in charge of quartermaster's department
Appendix K: Report of the subsistence officer in charge of subsistence department
Appendix L: Report of the examiner of accounts
Appendix M: Report of the disbursing officer
Appendix N: Report of the head of the department of civil administration
Appendix O: Report of the head of the department of law
Appendix P: Report of the chief sanitary officer, head of the department of sanitation
Appendix Q: Report of the superintendent of club houses
Appendix R: Report of the general purchasing officer and chief of the Washington office
Appendix S: Report of the geologist
Appendix T: Tables showing increases in salaries and personnel
Appendix U: Acts of Congress affecting the Isthmian Canal and Executive orders relating to the Canal Zone
Appendix V: Charts showing organization of the Isthmian Canal Commission and Panama Railroad Co., July, 1913
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Report of the chairman and chief egineer......................... 1.......
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Consatraction of the new Panama Railroad ....
.- .-. Fortifications .. a . .....ft..ft......t t
otn keeping... .......... . .................f f f f f
Quartermaster's department. ..... ...............
Subsistence d department ...... . .......... .. ......
Examination o accounts and disbursements......
Examination of accounts..f.t.... ..f .......- f f fff
S.isburse ents.. . :t ...ftfttttt.. f...t.......-f.
Departments of civil administration and law. ..
Department of law ---.....-..... .-..
Department of sanitation .. ...
Recreation of employees. ............
Washington office. ... . ..---- . .. . . . .-. .-
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Report of the assistant chief engineer in charge of first division of the office of the
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ae i engineers . . ...c.c. ..,.t-. ..... . .. . .. . a .-. . . . . . . . . . . . . .. .. . . . . . - ....
..snry.n lock structures...,,me .................. ,... ,.....,
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Valves aid ixed irons- ... --.ft
Design and contract.... ft....
Ihxnstalilationi f... ft-tt t -.
Fixed irons for spillways, spillway
eTsiign* -a t o t r t............ftft f
Desin and contract. .fl���
Erection and installation............. ....
raWings.... . . . . .. .. . . ... ... . . .... . . . . ....
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gates, cmassons, footbridges, and
6gates,3 caissons,3 footbridgesB, ixnd
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TABLE OF CONTENTS.
Report of the assistant chief engineer, etc.--Continued.
Operating machinery and electrical installation ......
Rising stem valve machines.-............
Fixed irons for rising stem gate valves...
Test on rising stem gate-valve machines.
Operation of the valve in the dry....
Cylindrical valve machines .............-- -.....
Auxiliary culvert valve machines........- ...
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Test and correction for leakage of cylindrical valves- - ...... -
Tests of cylindrical and auxiliary culvert valve machines.
Guard valve machinery ....... .. ........
Miter-gate moving machines..... .....--
Miter-gate forcing machine..... ..... .....
Test of miter-gate machine
Towing track material.. -a
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Towing locomotives. .......................................... ...
Towing tests-Panama Railroad steamships........................
Spillway gate machines .......--...-........................- .......-- ...
Test of spillway gate machines. --..-....-......-a-....-aa ..a--
Transformer room equipment ......-.............-.......- ... . . .-.......-
Insulated cable . a.a.aa.. . ..-.a--.-.-a......-a . a-a...- -a...a.. a ...
7Wire and cable on order.......-...-............... ........ .....
Lock control and indicating equipment.............................
Illumination. ......- . ...............---- -..............--........--. ......
Hydroelectric plant- ....... .......--- --........-..................-... ...
Transmission line- -- ---............... -............... ..................-.
Cover seats for crank gear-machinery rooms. - .................- ......
Concrete.... - ....... .......... ..........-.. .. ... ....-..... .......-
Redesign of cargo-handling cranes-Balboa-Panama Railroad docks.
Inspection of machinery
General .. .- .- . . . ... ........
Inspection in the United
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Second test .........
Third test... ...... .
Method of erection......
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Report of the assistant chief engineer,
Aids to navigation-Continued.
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* ::ts and rilln~ atien
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EXHIBITm 1.-List of muncompleted
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portt of the division engineer, Atlantic division.
Division designing force..
West breakwater quarry..
Detailed statement of
Water transportation. , -..
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. . . . . -. -. - -
work done* and cost
work done and cost
West breakwater-Colon.... . - ... .... .. - - ....
Comparative statement-Porto Bello large rock....
Gatun locks......a aa.......aa
Piling.. .a . .. . . .* . .- * .. . a .. ....
Concrete work.......... ......
Comparative statement of
Concrete material.. .... .a.
Unloading plant. ..........
Handling and mixing plant.. -
Gate erection-.- --....aa-a.a
Fixed steel.- ... .... . . . . . . .
Back fil-l a ............... aaaa..
Control house.. .. . -. . .... . . .
Power plant... ......... .... -
Gatun Dam and spillway.....a.--
Gatun Dam............. .....
Statement of progress of cc
Material handled, place m
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Dry fill deposited......
Output of steam shovels
teril ---a------- b -y aragesaa-at--a a a a as
Material handled by dredges, borrow-pit measurement.
Comparative statement of costs...
Gatun spillwaya..a.aaaaaaa---- a
Progress in excavation..,.. -.aaa
Permanent power plant ..... ...
Comparative statement of costs...
.,, Municipal engmeerin . . ... .. . .. .. . . . . . . . .
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R. ts . * *
TABLE OF CONTENTS.
Report of the division engineer, central division..
Excavation-. . . ---. . . * . -. - ...- .-..-
From canal prism.. - .-.-. --...-....-.......
From Obispo diversion........ .. .. .......
Outside work. .. --....-.-...-. ..... ... ... -.
Total, including accessory work...........
Mofnnthl'r for fiscal er
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Revised estimate of the quantity of material yet to be removed .....
Steam shovels...... ....... .... . -.............-......- --..............--
Class.......... ................ - - - - - - - ........................ ......
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Highest daily, monthly, and annual records ..............a...a......
Average performance for each month, fiscal years 1908, 1909, 1910,
1911, 1912, and 1913.. .....
Plant-.. ...... . ..................... .. .............
Transportation.... ...... .--..........................
Average number of locomotives working per day.
Average number of cars loaded daily............
Largest number of cars handled in one day. -....
Trains in service at close of fiscal year...... .. ...
TI'Cracks - a a- a ..a a a a a - a ..aa- a a aaa
Location and distribution- .........-
Dum ps...................... ....... .. ..........
Disposition of material excavated ... ...---.....
Average amount of material dumped per day.
Amount of trestli
Diversions. . ......
Hand excavation by
Noas Island dike...
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Slides and breaks........ ..-..... --
Estimate outside of slope line a
Cost of excavation.. ........
Coal and fuel oil consumed..
Air and water service ......
Road building ....... .....
Waterworks ......... . . .. ... .
Labor conditions. ...... .....
Changes in organization.. ....
Changes in personnel........
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Construction tracks.......- ..
Placing concrete.......... .
Performance of auxiliary
Miscellaneous lock work....
Back 'ling . a.... -._
Killing west dam....
Miraflores locks, dam, aid
Lock foundations..... -
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Concrete-handling plant. - . . ........
Placing concrete.... -..---........ - - -..
Performance of berm cranes.. -....
Performance of chamber cranes.-
Performance of auxiliary concrete pla
Amount of concrete placed...........
Concrete forms ...
West dam..... .
Back filling. --... -
Concrete work, A
Amount of c'
Dry excavation. .
In canal prism..
Performance of si
Performance of s1
district ......* . ......
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concrete placed.. ....- .
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of auxiliary concrete plant..
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a . . . . a. .- a a .a a - a a a - a a - a a a - a a
team shovels at Pedro Miguel- -.
team shovels at Miraflores.......
* a a a a
- a a- a
Municipal and sanitary work..
Municipal engineering.. -..
- *--I -
a a a a a -
a a a a a a a a a a a
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a 4 a a a a : a -
a a a a a . a
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a t - - - . a a a a a a a a a a a a a a a a a -
5 a a a - a a - a a a a - a - a a a a a a a a a. a
Ancon pumping and filtration station.
Details of work pnd
Cocoli pumping plant.. -
Details of work and
Rio Grande and Cocoli r
n..� j~ ��
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..a .. a
a a -a a a
a . 5 a a
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a. - -a - a a a a a a a a a a a a a . a. a .- a .
* a ".- -1 a 1 a a a a a a aa a.. a a a a a a
Report of the resident engineer, fifth division-ontinued.
Loh- ams, spillway, and dry excavatiow-4ontinued.
A~Pedro Miguel locks and dams--Continued.
TABLE OF CONTENTS.
Report of the resident engineer, fifth division-Continued.
Municipal and sanitary work-Continued.
Zone sewer system............--.
Work performed- -.............. - -
Maintenance.. -. - - -.-..--..........
Maintenance and repairs......-..
Macadamizing and oiling ........
Sanitary work.... .......
Work performed- ......
Fourth district ...... .... .--.........-
Ancon quarry and crushers...
Mining ....a.a .. .----..
Explosives used -......
Hydraulic excavation. ............
Designs, maps, and office work....
S * -- a a
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* - --. a a - - a a - - - - - - * - - - a a - . . . . - .a. - a . a a
** - a a - - a a a -* a a * - a a a* a a a -' a a - a a -w a � ah a -r - af a.
--- . .. . . .a . .a -- . - a a a a -. .-. a aa.a a - a.
* *- * - - - **** - - * a* -* - - - -* h a a - ar - ai - -k - S S at�
a - a - . - a aa.aa --.-. aa.--.- - a a..a a
Report of resident engineer, sixth division........
Division organization -....-........a...-
First district.--.......--..... .-.. . . .- .-.--.-....- . .....
Operations.......... ........... ....--- .....
Dredges in operation........-........ -
Yardage removed --.... ---.......-............
Subaqueous rock excavation .....--- .......
Location of rock shoals worked and i
Balboa shops and shipways..... --........
Clearings and diversions .................
Surveys and mapping...........-........
Sec6nd division. ...... ................... ..
Operations a - a a - a a ---aaaaaaa
Dredges in operation ......... -.....
Monthly output of dredges...........
Dredging, ocean to Gatun locks..........
Subaqueous rock excavation..............
Cristobal terminals........- -..-...a.
Surveys and mapping...................
02 -f11ce....a.a .... ....... ........ a aaaa
a* a - - *- a - - af a ai a a a a( a a a a a ar - ar aa - aM
a* a a- a a -. 5 - - *- - - - a1 a - - C* Si at a� a-- a* *
. . . a . . a . . . a a . . . . . - . . a a a . a
a a - a - a* - a -* - - -* -* a a a - a - a ar a a af a a
a - 5. - . .- --.-- --.aa a a a. a.
*B - a a a a -> a - a � - a* - a a al af at ak ak a a a a a
a a a a a - . - a a a - a - - a - a a a a a a a .
*. a - aa a. a aa a. a aa. S a aa.a
*. - a . a . a a . a a a a a a..a. a. a.
a a a a a a a a a a a a a a a * a a a a a a a a .
Report of the assistant to the chief engineer in charge of second division of the
office of the chief engineer. ........
a a a - - - a a a a a a a a a a a a a a a a a a a a a a a a
* - ... :: x^ x: r
TflL OF f
x x xxL
Report of the assistant to the chief engineer, etc-Continued.
Dry Dock No. 1, entrance basin, and coaling plan
*- aa - - � a a a j a �a wi ae-*a* a - S S a a a * wa a *i
a - a.. a a .....- . - a a - a a . a a - -. a . a . a a
Auxiliary Dry Dock
Oofferdam. ji . ..... ...
Quay walls and Pier
Fll.a...- a..... a
Number of j
Lo. 2 ...........
N~o. 1 a..a .a .a
* ......... a 4 a a a
Operating tunInel . .. . ...
Foundations for shop tools,
Inner harbor excavation .. a
Tracks.- aaaa.aa aaa... ...a
Highway and ditches.--a-aa
General. . .......... .. .....
Statement of work done
Filling and embankment
Concrete..... ..... . ....
Contract worka.a..... .. a- a....
a a a a a
* a a a a
a a a a a
S.a a a a
- ai aM a a a aI aa - ar a - - - ai a a a t* *r
w " � I: * m 4k * ' w � 4k - 4k k r " w - * w
*- a a a - ai ai ai a- a -~ a a: ai aa - r a ak a - a*
a a a a aa.a. aa. - a a a . a. a a - -..a
- - - - - a -* a .1 - a - - - .a. - a a * a a a a - -
.* a a. - a a 3 * a. a * a a a - - - a
- .a a a a a - :r a a a a a a a a a a
a a - - a a a 4 t a a - a a a a . . a a
as, - - ... . 5 a a 5 a - - -
S. machinery, etc..
a a a a a
- - a a
* - a* a- a *a a - ak a a a a a1 a a a a a* a f a *- -: a a f a a -***� -a
* Ci C aB a jS ai~ a i� - a k a f a a a i a - a a i ai a a a ai ak a- a a a - a a�
a 4a a a* ar ar a a ak a a -r a - - a * a a a a a a * a * a a- a a B a a a - -
� - a a
a aaa a .a a
a� . a a- a* a -
a a a a - -* -
a. a a* a ai a - ah a - - - - air a a ar aii ai a a -
a a a * a - a a a a a a a aa. . a a a a a a a
- -. a a. a aa aa aa 5a a a a .a
a aaa m Ma a a a aa ma a m- a meaamaam
Buildings authorized and floor area.
Cotruction-o Atlantic terminals. -........... .-
Wharves, piers, and dredging....m.....
Main coaling plant..............
Office work-terminals -----
Permanent shops....... .. -. .. ....
Interior arrangements, power
Rated horsepower of all m
Contracts...... .. ...... a a...... a
Vjljj~~i^^^ � W �� *� *� t M� � �* ww * ** a* -:w
Equtipment....... .............. .
Dry docks, coaling plants, and floating
General description of dry docks...
af > S aI a* a a - a� a* a* a* a a - a a: a* aB a- - a a
- - - a a iti - a aw a a a a a a a a a ai - -a-
a a a a a* - a a af a a* -f ai a a� a ak aii ai - a
a* a - *a.a
* a a ai a* a* a
* -�ftw I:**- NI.
a - a a a a a a a a a a a a a. -
a a a a a - a a a a a... .. aa - . a a a
ii * a *- a a - ar*
*B a - Ib a b
a a a aa.a.
a a a a a a a a a
a a a a a a a a a a
a a a a a a a a a a a a
a a - a - a a a a a a a a a
a * a n a i a a a a a k a
Tisrr 1- ni VNTll A~ 1 ,n.--^/~tt tn n< .'n 1 A ^Hn�nrt,
Monthly excavation.., aaaa
Performance of steam shovels
a* . a a a a a a aa a a a -
- - -. a a .a.... - * a a a.. a. a a .a a a a a
TABLE OF CONTENTS.
Report of the assistant to the chief engineer, etc.--Continued.
Quay walls and Pier No. 1...'. . ..... ... .....
General description, quay wall section "g-h-i"...
Pier No. 1.. ..... .. . ---...-.---...
Small boat landings. ...........
Quay wall, section "e-f "- ....
Permanent settlements .................
Meteorological and hydrographic section.
General --...... .......-.......--.......
Office work- --......-...................
Meteorology - - - . . . . ..-. -.........
W either ........... - -.... - .. -.......
Precipitation- .... ---........-
Means and extremes.. -......
Absolute temperatures of rec
W inds- ..... . .. ... -.. . .. .....
Atmospheric pressure- .........
Relative humidity ..........
Cloudiness.1 . . . . . a . - . - - . . -
Evaporation.- ..... ...-..........
F ogs - .... . .. . .... . . .-... ....
Sea temperature. .............-
Tidal conditions. ..-... ....
Seismology -..........-- ...........
Monthly rainfall on the Isthmus
Monthly rainfall, by sections, ye
Maximum rainfall in Canal Zone
of Panama ..........
ar 1912 and averages.
Hourly distribution of rainfall in the Canal Zone..-......
-, a <* a a� a - -� -* a
a.a .a-.-.aa.a . a
meteorological data-Ancon, year 1912.........-....
meteorological data-Culebra, year 1912. ...........
meteorological data-Colon, year 1912 - ..............
* a ab a a
t 4- a� - a
tive wind records-Ancon and Sosa .................... .
evaporation-Canal Zone, years 1912, 1913, and averages
- - a - - a a - a a- -l a - a a . . . . . . - a - a a C
a --h - - 4 -- *-- - - - - - a a a a a a ak A - a - - a - - a. a a- a
a a -* a -* a a - - - - -* -h - - -> if- a a a aw a� aa -* -* -* a� a
* - - - a - . a - a -* a a a ail a - - -* a* a a a - ak a
. . . . . . . . . . . . . . . . . . . . . . . . .
Sea temperatures, 1912.........-...-..........
Tidal conditions, 1912.......................
Seismograph records, Ancon, fiscal year- - - ......
Hydrology .......-.....-............. ............
Station equipment and field work..........
Freshets..........a.. . ..................... -
Special work............... . ...... .......
Run-off at Alhajuela and Gatun ..............
Monthly discharge of Chagres River, 1912, at
- a. a a a a
- - -* -* a a- a a aii a ai - -r - a a a
*i ar a a a - a a a ai i ab af ai af aj ak aa
a a a - a a a a. - a.
- a..a. a.....a a a a a.
_ N1 1
- a a - a - a - a a a a - -- - a l - -a aa - a* a a a a - - a t
- a - - -- - - a a - a - a . . a - - - a a . .a a a - a a .
a.a....a..aa.-. - a aa a a a aa a-.-..-
Report Of the assistant to the chief engineer, etc.-Continued.
xx x xx
Statement of rolling stock owned by the commission .......
Sec tion of ge ner al su rve y s. ..............
act o epaia per ervMe day ......
*:Total cost of repairs to equipment
Avrge cost of dry excavation..
Ae cost of concrete laid.................
Cost of repair to marine equipment..a.....
't :eHlug eng neer. - ?. --.... S -...c.-l- - - ..a --
insc~ton of lubricants and equipment
. Consumption and cost.......... ..... ........
uel consumed. . . . . ............ . . . . .... . . .
- S .t
Statement of floating equipment on the Isthmus...............
Statement of equipment owned by the Panama Railroad... ...
* a a - a a a a a a a
aWaaWW aa..a a-t
a aW - a a a a a a
a:i --r.aa .. a
Sa a -. :
Brort of the inspector of shops,
Personnel....- .a--- ----
Total pay roll. ... ... . . ....
Total overtime.*aa. -...S..-a
Shop-expense per cent. ..... -
f3loetyMXIij a a �- - a - * �. a a a a a �r-aa
COrtobal shops.. .. . .-.-.- .--
Porto Bello, Toro Point, and
DIry-doek shops.... -- . .-. ..
Gatun shop.. . .. .. . . . . . . ..a
Gamboa shop..... .a.a...a aa
Gold Hif JJ..ll... ...- a a a a a - a a
Las Cascadas shop.... ..-- ...
Pedro Miguel shop......5.
Empire shop .-....-- ...... a
Balboa shop . .......... -
Gorgona shopa -...... -
Output and cost of iron
department of construction and engineering..
ft** * a - a 5 a 5 a i� a* a a a* a a - - a - a a - a a 5 * a * a � a a a a - a a - -
spillway shops... -
.* . . . .* . . . .t . . ._ �i � . . . . . .f . ft .v iv . w iH . ir . .i .i . .� . .� . . . .
* a a a a - - a - a - a . . a a a - a a a . . . . . . a a a a * - - a a a . .a a a
a a - a - - a - a f-> at a a - - a- - -t a aa- a a a-ft a a a� a� a -_
* a a a a a a - a a a a a . . . .a . . a . . . aa a - a - a a a a a a a a - a a a a a
- a a a - - - . . f . . . . . f f f . aa a S a a a a a - a - a a a . a . a .a a - a a
S a a a a .a a .a a a a a . . a a . a a a a aaa a.a.a. a. a a-
tin� ^ < ^ - r � . - t � � � � � f , � , t � ^ , � , ^ ^ _ ,
gs . ...... . .. . . ... .. .. . .. .
Output and cost of steel castingd..
Output and coat ofi brass castings ..
laAStJ ali.L di JLo.a.... .t.. ...
Volume of work performed....
Repairs to locomotive ........
Shop and field repairs........
Repairs to equipment other tih
I* *- at a*
.. a a
a a a .
* . . . . . 1 .a . a a a - aa a a * * . . . a a. a a a a a . *
a M a t a a -� aW a aN aW aH a- a a - a> a� lw a a wW S 5- a a
-n locomotives and cars... -
an locomotives and cars.-
- - a a * f a a W a
a.. a St - � a - * -
Number of employees on pay roll.. - -.....
, -. S .at a. a a
* at-.afa f - - - a A * ...t... a
***a*a Ma ft fta atat *a* a a- a-F: t* 1 ttn. ip
** aM at t ft , at - a a* a f a at at a - A -* -* -* ai
a* :f t tft ~ ft:a W * :- - f , at ft aaia ft-:1:� *:* >
t* a 4 t a at ** a. a: - -h :* a a a a: a a* a a a
�* a* a* -* a -: ft at ft ft ft at S ft f - aH * 4: Ia ft
ftf S - t 0 t t a t - -* a . a ft a f * a -: -: a� a* -
Office engineer..... ....
Report of cost-keeping accountant.........-- ......... ........ --........- -.
EXHIBIT A.-Statement of construction expenditures to June 30, 1913.
Total division cost for various units of work
.-Detailed cost per unit of work..- ..
6.-Hydraulic filling. --......--
9.-Stone production .....
12.-Power plants.... ...
-Detailed cost to June 30, 1913
.-Performance sheets... -.......-
3.-Unloading plant.. ..--.....--.
5, 6, and 7.-Mixing plants.
TABLES 2, 7, and 8.-Placing plants a
*l a a a* - a*
* a a S--- -�S* * S * - - -* 4 a a - a a a a
- a a a a - - *- -" - - a a a a - - -� a S w * a* a a
* ... a a a a a - a -- - a a�* I * .I| -
*l a a a1 a 5f * aB a -i - a - - a a a a a a a* - a - a a a a a aI :f
- - a a - a* ai a* - - a a - a* - a* a* - - - f - a a -* i- - a - a> a a a*�*
* - a - - - - a( -' a a a* a a a a a* - a( a a a* a - - A - a� a- 51 a�
a* - aih a aB a - -t S * - a at at at - a - ai - - r a a at a a a
a* a: a - a a a� a a - - a a a t -t t at a a* a* a ai - ak a a at
a aa aa aa aa a.. .. . - a - - a -
a a a a.aa - a aa - - aa - a aa a a
EXHIBIT E.-Administrative and general expenses.....................
EXHIBIT F.-Salary disbursements by departments and divisions .-......
EXHIBITS to report (for Table of Contents, see p. 289).... ... ...........
Report of the chief quartermaster, in charge of quartermaster's department....
ILabor .. .. . . . .. .
- - a a a a a a a a a - . . . - a - a * a - a - - a a -. a - . a - - a a . - - -. a a a a a a a a a a .
a. a a a a a a a a a a . .a a a. * a a a a a a a - - a a a a a a a . a. . a a a a a a a a a . . a a a
-I a a* af at
Material and supplies.
Issues.... ..... ..
a . . . . . . .- a a a a - a a a a a . - - a a a aaa - a a a -a a a - a S a a a a a a a a
a a a a * - a a - a -* - - a a( * a -' a a a* a a a a a - ' * ft a a i- a a- a a a a a� a a a a. S an a
- - - a - a a - - * - * a * a a - a a a a a � -� a a aa - a� a- a a a * - -k a a a a a* a- a a* a ai a a>
a a- - a aaa- a a a a a- - S aa aa aa aa aa --a-aa-a *a--a-aa-a- a-
* a a a a - a a a a a a a - a - a a - a a a - a a a a a . a a - a a a a a 5 - a a a a
of dock a . ..
a a a a a a a - - a a a a - - a a a a - - a a -4
a a. a aa a. . - a a. a. . a. a
- - - a - a - a a - a- a a a * * a - - - - - aa a
- - a a a a a.a a .. . a . a a a a a a .a
- a a a a a a a a a a - - a a a a a a a a - - a a a - - a a a a a a a a a a a a a a a a a a a a a a * a ,
1.-Force actually at work on June 30, 1913 .............a
2.-Force report, by months (including contractor's force),
* a a a a
* a a* a a *
--Hlirh and low force records. December. 1906. to June 30. 191
Report of the chief quartermaster, etc.-Continued.
Exrn 12-Value of material received, fiscal year,
V OouO ..... ... . . * . . .. - . *. . *. *...* ..a.
Em 18 -t-Freight statement, fiscal year ....m
nrn 14. Important items due on United Stat
on requisitions of the
* C C - * C C C 4,, .5. - - - C . C -
* C * t- , - . .. C � S 0 .- - a
3s requisitions, cal
^^f' --- - *flb** at - a* C - �-�* S * * *: ** a - - - � C. a
sWT 15.-Important items of material
work, 1904, to June 80, 1913..........
xmDT 16.-Important items of material
EBxwrr 17.-Classification of material in
EXHIBITzr 18.-Values of stock on hand at
Ex nr 19.--Material returned to stock
fiscal year........ ...- . .. .. . ... .. . ...
purchased from inception of canal
l received, fiscal year.
stock at storehouses.
by departments an
dC - S 4 C - - d ain
-* * a *- S. * C: * - *- -
Report of the subsistence officer in charge of subsistence department
Relative value of food consumed per meal in line hotels...... . .
Relative value of ration supplied European laborers' messes....
Relative value of ration supplied common laborers' kitchene....
Quantities and gross costs of principal articles consumed in line
taurants, messes, and kitchens..............-......... .......
Comparative statement of profits and losses of Hotel Tivoli - -..
* S-f - C C S
* ft S C ** - -
Quantities and gross values of principal articles consumed at Hotel Tivoli.
Profits resulting from department's o
Repairs to Hotel TivoliL.............
TABLE 1.-Statement of operations,
ltitchens-.... ..... .. -......- . .....
TABnII 2.---Statement of operations, lI
TABLE 3.-Statement of operations, I
TABLE 4.-Statement of operations, o
TABLE 5.-Statement of operations, E
TABLE 6.-Summary of operations...
TABE 7.-Smmarty of operations, H
* - . . - es - C s a - a, as a . C - - C, a a a - * - -
line hotels, restaurants, messes, an<
C C* - S S -C C - -* S -f C C -* *- St ? a - C C -* S
ine hotels and restaurants.
Suropean laborers' messes.
ommon laborers' kitchens.
[otel Tivqli........ ...... - -
otel Tivoli.... - -.......
* a Ci Cr - - - -r - C
* - C: C ** C C - - a
k* C ** S� S C C
. . . W � * * f
Report of the examiner of accounts... ........ ...... .
Canal Zone government accounts. ..............
Claims for injury and death..............
Accounting system for the permanent organization
Canal appropriations and expenditures.. ........
Tables submitted with report (for index see p. 420:
*. ...C .. - a a a . - C C-5
C S C. C C C C - - C C C C C Ci .- S C C.
. - C S S - . S S C C C C C -. -.SB
* t t a - ** - . a a* a a* 5( 5 0 ,kw
Report of the disbursing officer.. ... .... ........... .. . .........
: lu~nkiii +4i n~lrraj n nn nnnnnn kttiv rt n ^/ l�rn :fhf. aA.^� Anaa.n- ^ ^ - . -_
C CC S C - .- -
J t f
Report of the head of the department of civil administration-Continued.
Division of posts, customs, and
Lands and buildings .-.-. .-.-
Taxes and license fees - ..
Administration of estates..
Summary of revenues and
- -* - - a* a - a a a
- a- ar ai af a < :- a'
-*r ji a a af a - - ar
police and prisons ... ..
fire protection ........
public works.... .
schools. . . . . . . ....
treasury and zone funds.
- a a a - a - a -* a -
* -* a> - a - - -* a -* a
Sa a a a a a a a a.
* a a - -..-.
- a a a a a a -- a a
Sa a - a a a. a - a a * a -
a a . a a - a f af a a :
a a a - - a - - a - aR a a - - - - . - a a - . a. - -
* a a a - a a - - a a n - a a ^ - a a a a -- - a a - a-.
- a a a a a a a - a a a a a a a - a a a - a - a - a - - - a - a
a.a. - a.-a aa a . a - aa aa.a a. a a- aa a -
AppendicesA tJ - a - a - a - a - a a a a a -( a a -t ab - - - a a - a a a a a - - a -
Appendices to report (for table of contents see p
476) ... - -- . - - - - .. - .............
476 ) -J - a� a a* a * - a a| h jr a a a* a* a a*-
Report of the head of the department of law
Prosecuting attorney's office ....
Criminal cases in the circuit
Criminal cases in the supren
Civil cases ................ .-..
In the first circuit -.. ....
In the second circuit .... . .
In the third circuit ........
ie court. ..
- a a- a - a a.a- a aa.a aa a -- a
a - a - - a a a a- a a a a -a -
Land matters of the commission.
Panama Railroad Co. matters . -
Circuit courts ... ... . .....
first circuit - ...
second circuit - ..
third circuit. . .. -.
second circuit. . .
first circuit . . - . . -
Supreme court aa.................
Panama Railroad lands............
Panama Railroad leases in effect
a a a at a a - a - �- a a a a a a a - h a - a - a a a a a a a a 5 - a. a a a�
- - - a a - . . . a aa a a a . .a .- a a .a - a . - . . -- a a- a a a
- a * - -- a* a- a -* a a a - - a* al a a - -. a1 - a a- a* a* -- * a* a. a a - a A
a..-....a. a a a- a aa - a a -.. .. . a.a.*.a- .as ..
* - a a a a . .-....a - .a.a a... . a a a - a aa a
a a* a a a a a a a^ a a ai a* - a a *
Report of the chief sanitary officer, head of the department of sanitation... ... .
Letter of transmittal. ....... ...............- .... . .......... ..... ...........
Deaths of employees of the Isthmian Canal Commission and Panama Rail-
r' odt.t . . t.. . � f i . .. .e n - . . -t - a c.. i - -* a � . t . . c i - * I - ? n. - a . . .
a a a a a a a. a
a a a* a* - a * a a a
iARI r ONTE B.
Causes and place of deaths of employees and civil population .....
Discharge anddeaths of employees in hospitals of the commission. ..
Consolidated sital report ...... . . . - . . . .-.... . . . . . .
l sick-eamp r..ort.. .. . .. .............
Conaolidated report of employees sick in quarters....-. ..... -
Consolidated hospital, sick camp, and sick-in-quarters report..........
Consolidated dispenEary report.-...................................
Average number of employees constantly sick in hospitals, sick cam
�q arters-.Q .. . . * . n . ... - . - n - meaq. - ate..,.,
uwarter- ....... ..... ........ ....** * ........................ .... ...
i; nuber of dysqrs treatment pear employee m hospitals, rock cari
tztstence and operating expenses................................
ide patients treated in hospitals, and amounts collected for their trees
Surgical operations perfIoned lmi hospitals............................
(Xprations and work performed in eye, ear, nose, and throat clinical s...
Consolidated ward laboratory report of all hospitals....................
Colon Hospital....- .......
Otlebra :Hopital....... .
Palo Seco Leper Aylum. ..-
Santo Tomas Hospital......
* A ' * y
Board of Health Laborator
P~fla~mI~ta9 a a a. sa a a *si. ate a a-*
Colon (including Cristobal,
Panama-Ancon and Colon-(
Bocas Del Tom........
Hospital-eases of malaria amonig
. . . - s.
.* -a .a. C
- - - - - - - ..S 5....a* * . S
.*-- a a a a a a - - - ** t W ** *~ a* at at 5*s
S * tt lt * S * 5i - S - S - *- S - ai ai a* a - * *k *S
* a a - - - - -
* a a* * a* S C - -
T a em.
- - a a a a - � .
- a a - - a a a - - 5-.
* 5.* SS S
Mount Hope, Toro Point, and Margarita Point).
* aaa**aA a
S- employees. .
a ---..- .aa ....a.a.... 553
.... a. a.............. 553
Report of the superintendent
Change in buildingss. - -
Memberlp . b i a . d n p
nt erGtmimentI e... .... a a .
Bowling, billiards, and p
of club houses.
* . a a a a . - - a - a a a
* a M: m a a a .
oo1 - - a Ss.
hysial work and athletics...,.
e o work....... ........
S a S Sa * * a a a C . .
* w *
S* S - *- *I S * aI a* a a
a sssa -* a- - :- ar* * k
- a a a a - - - . a S a
Report of the general purchasing officer and chief of the Washington of.e....
Report of the geologist (for table of contents see p. 585).........
Tables showing increases in salaries and personnel.
construction and engineering
civil administration. .....--------..
sanitation ..... - . . . . ....
s department ....... ..-.. .-..
disbursements ... .-. .-. -. . ...
law. .. . . .. .- -. .- .- .- .- -
* ... . - - St - * - . * -�
S S S S C . S - - - S S S S a a - S
- CS..,, * . . .-, . . S.
* 5 * S S - a . - . - S S S S - * * S S S S . *. . S .
Acts of Congress affecting the Isthmian Canal and Executive orders relating
to the Canal Zone (for index see p. 605)...................................
Charts showing organization of the Isthmian Canal Commission and Panama
HilroadCo., July, 1913 (for index see p. 633)...........................-
Frontispiece: Map showing Isthmus with completed caaL
[Report of the assistant chief engineer Au charge of rst division of the office of the chief engineer.
Gatun lower Icks.
Lowe gard gates, west chamber, ready for entrance of
Atlantic Ocean water.
2. Gatun lower locks.
North entrane to west chamber, showing sea gates
under full pressure, keeping locks free from water.
3. (atun lIwer locks.
Juliy 2, 1913.
Looking north, showing west sea gates underpressure.
4. Miter gate recess cover.
t. Hydroelectric plant, Gatun.
From west wall of tairace, t
t Gatun upper locks.
lock, and wicket girders bei
General view of location and status of work.
Qoking southeast. June 27, 1913.
of east emergency dam. Dam swung across
ng lowered. May 20j, 1913.
7. Gatun upper locks,.
Final test of east emergency dam.
lock, and third horizontal tier of gates being lowered.
8. Gatun upper locks.
position across lock.
9. Gatun upper locks.
TiwA 20, 191$.
Final test of east emergency dam
May 20, 1913.
Dam swung across
May 20, 1913.
. Dam in. closed
East emergency dam in act of swinging across lock.
10. Pedro Miguel Lock,
top chord. May 2
E~e emergency dam.
Driving pin for eye bar of
It. Special milling machine (for correcting fixed irons of rising stem valves.
Miafiores lower lock, east wall, looking upstream.
12. High tension oil switch group, transformer room equipment.
IS, Lw-tenpion switchboard, transformer room equipment. ]
No. 717, and control
Chamber walls, floor
June 20 1918&
A Rang Tow No. 1, atu. LSke sectjon, showing subrmiepe foundation.
10. Range Tower No. 18, (Gatu Lake mention.
Beacon No. 5, Pacific division.
Typili concrete beat wv ing limits
aS l a l - --at I.._- _ . f. I. - _.-..1
Chain fender for locks.
. General assembly of fenders in lower approach at
Lock entrance caisson.
Lock entrance caisson.
Typical cross frames, and cross frames at center
6 and No.
Upper guard valves.
Upper guard valves.
85. Towing tests.
Machinery for all locks.
Machinery for all locks.
April and May, 1913.
Typical sketch of erection tracks for emergency dam, all locks.
Lighting and buoying canal.
vation and section.
West breakwater light and tog signal, ele-
[Report of the division engineer, Atlantic division.
Gatun lower locks, north end.
from top of slide.
20. Gatun lower locks.
The slide in the east bank, looking west
Placing iron girders on north approach wall.
Gatun lower lo
Interior view of north approach wall.
North approach wall, looking northwest.
May 26, 1913.
55 feet below sea level.
June 14, 1913.
Gatun Locks, looking north, showing intermediate and lower locks.
, north of Gatun Locks, showing causeway for track lead-
ing to dam.
Atlantic entrance in the distance.
July 18, 1913.
Gatun Locks, looking south, showing emergency dams and lake.
26. Gatun Dam and lake approach to locks.
View from water tower, looking
General view from west hill.
Paving lake slope.
May 26, 1913.
Gatun Spillway Dam, showing all crest gates in position,
through temporary openings.
Toro Point Breakwater. View
from lighthouse, showing derrick barges,
placing armor rock from Porto Bello.
Toro Point Breakwater.
View from station 3500, looking toward shore.
Breakwater practically completed to this point.
Following plates, 88 to 92, in portfolio.
88. General map of territory between Caribbean Sea and Gatun Lake.
Plan showing methods of construction,
General plan of Gatun Locks and Dam.
Sections of Gatun Dam.
north end of Gatun Locks.
St_ - - . .P fl -A - Tr
* S -�
-. fhq af
� - - ****-.- -.--- -- - �.. n- t& th e * ** j I *tB * !.J
K ^ ^ /:
K K ^-^^ .K'^ '^S...^^ ...^^^..... .K^ i^atHK .^*uujj.uuj.jj.: K ^^^.^..........^. .........KK .........^....... aA^^ .Jf|^^^---jj^fa-. ^ .Jj.u^uJ.....J^. _^^;i: :4^^: J^^k j^&fafr.
-�-*-�-fc-j A. ^LJFJJ ..a.... * .j g.-.j- ILJ kj _j. _xJ�4C*. JL *LV^ i&^l kJ"itiCT p^- *twff'8 TTiT'lrN^1!*^^1^ ^!^!!
IHHHHMM:fHMH IR^MR' WMW Tl" ^^^Pv *ll^^^m--^^'^^Jl" ' *^^^' ^*^^ *"JT"T'.I^TT--^'-^^^-!J^"- ^""^"� ^f�w- T^^T ^^^T 11 ?* ^*r IR
Following plates, 93 to 96, in portfolio.
Diagram of yardage and rainfall,
Diagram of performanceof steam
Profile and yardage estimate.
Plan of Balboa dumps and Naos
permanent townsites and propc
central division. -
shovels, central division.
Island breakwater, showing location of
'sed shops, dry docks, etc.
[Report of the resident engineer, fifth division
PATE 47 Bird's-ejre view Pedro Miguel Locks. June, 1913.
48. North guide wall and west dam, Pedro Miguel. June, 1913.
49. Mirafloree lower locks. View looking north from west bank, showing
,nnnapl nl",rs thiaato.nnm Anrl a 101$l
35. Culebra Cut, Cllebra. Completion of bottom pioneer cut, steam shovels
Na, 280 ard 222 meeting at grade, looking north from west bank. May
36, Culebra Cut. Looking north from one-quarter mile south of Suspension
�Bridge at Empire. Cut completed at bridge. All tracks on completed
bottom of canal. June 16, 1913.
87. Culebra Cut, Empire. Looking north from Suspension Bridge, showing
cut completed, except toe of slide on right. Drainage ditch is below
bottom of canal. June 16, 1913.
38. Oulebra Out, Empire. Looking south from Suspension Bridge, showing
terracing on upper levels of east bank to prevent slides. Lower shovels
are working on bottomef canal. June 16, 1913.
39. Oulebra Cut, Oulebra. Deepest excavated portion of Panama Canal, show-
ing Gold Hill on the right and Contractors Hill on the left. June, 1913.
40. Culebra Cut, Las Cascadas. Looking north from east bank. June, 1913.
41. Culebra Cut, Empire. Break in east bank at La Pita (station 1651), tak-
ing in Obispo Diversion Channel, looking north. August 21, 1912.
42. Culebra Cut, Culebra. Break in east bank between stations 1746-1758.
Steam shovel No. 201 in midst of upheaved material and displaced
tracks, looking south. February 6, 1913.
48. Culebra Cut, Culebra. Break in the east bank between stations 1746-
1758. Top view of rear portion of slide, looking north. February 6,
44. Oulebra Cut, Culebra. Bottom of canal, steam shovel No. 260 overturned
by slide from east slope. June 12, 1913.
45. Culebra Out, Culebra. Looking north from west bank, south of Contrac-
tors Hill, showing shovel No. 256 caught in Cucaracha Slide. February
46. Dump in Pacific Ocean, at Balboa, made from material taken from Culebra
Following plates 97 to 10Q in portfolio.
Concrete progress sheet.
Pedro Miguel Locke.
Diagram showing monthly progress of sinking caissons.
north approach wall Miraflores Lock.
Concrete progress sheet.
100. Performance of
Miguel locks and dams.
June 30, 1913.
Performance of chamber cranes at Miraflores and Pedro Miguel Locks, to
Junme 30, 1913.
Map showing conditions as of June 30, 1913.
[Report of the assistant to the chief engineer in charge of second division of the office of the chief engineer.]
for dry-dock approach and
56. Balboa new shops.
Planing mill looking east,
showing operating tunnel
June 16, 1913.
Balboa new shops. Patt
crane running at right.
ern storage, looking northwest.
Planing mill at left.
58. Operating tunnel, Balboa shops, for pipes and cables, showing how joints
in adjoining sections are made water tight by means of yellow metal
59. Forty-five-ton steam shovel on skids, rigged up to excavate for conduit
tunnel, Balboa shops,
60. Reinforced concrete caissons for Pier No. 1
, Balboa, taken from inshore
end, looking toward canal.
Sinking reinforced concrete caissous for wharf at Balboa by weighting
them with concrete and cast-iron blocks.
Following plates 103 to
, in portfolio.
Chart showing excavation and expenditures.
104. Balboa terminal docks.
105. Balboa terminal docks.
106. Balboa terminal docks.
107. Balboa terminal docks.
Manufacturing and sinking of caissons.
Standard section of concrete pier shell.
Bottom section of concrete pier shell.
Plant for manufacturing pier shells.
108. Annual rainfall along canal location, years 1911,1912, and station averages.
109. Wind roses, year 1912.
110. Hydrograph of Gatun Lake.
of sluice gates.
111. Hydrograph of Gatun Lake.
of sluice gates.
112. Chagres drainage basin.
113. Chagres drainage basin.
114. Chagres drainage basin.
115 'hasrns drainage basin.
July to December, 1912,
January to June, 1913,
Mass curves of net yield at Alhajuela.
Mass curves of net yield at Gamboa.
Mass curves of net yield at Gatun.
Curve of discharge duration.
- J ..--
eprt of th engine of the Panam Railroad relocation. )
rin 862. Gin River Bascue Bridge No. 140, looking east.
Lift span just starting
a Automatic signal No. 1054, looking north.
84. Automatic signals Nos. 654 and 655, at north end of Gatun passing track,
[Report of geologist]
PRA 65. Hill type of topography, looking southward from Zion Hill, Culebra.
s66. Hill type of topography, looking northward from Zion Hill, Culebra.
67. Coastal plain type of topography.
68. Geological section across the Isthmus.
69. Generalized section-Canal Zone formations.
70. Shows character of volcanic agglomerate.
71. Bedded rocks of Culebra formation.
72. Basalt dike cutting Oucaracha formation, in Culebra Cut.
S73. Emperador limestone beds, near Las Cascadas.
74. Ancon Hill and quarry.
75. Gold Hill, showing northern fault contact.
76. Contractors Hill, showing fault contact.
77. Fault on west side of Culebra Out south of Las Cascadas.
Plate in portfolio.
Geological cross sections of Culebra Out showing sliding ground.
[Charts showing organization of Isthmian Canal Commission and Panama Railroad Co., July, 1913.]
PATE 124. Geeral organization of the Isthmian Canal Commission.
Office lrce of chairman and chief engineer, assistant chief engineer, and
assistant to the chief engineer.
126. First dilhion of chief engineer's office.
127. Second division of chief engineer's office.
128. Central di& vision.
129. Atlantic diliion.
130. Fifth divisan of chief engineer's office.
Sixth divisn of chief engineer's office, and secretary of the commission.
132. Mechanical vision.
l8t Chief ouarteinaster.
ISTHMIAN CANAL COMMISSION,
OmICE OF THE CHAIRMAN,
Ctlebr; Canal Zone, September
Sin: I have the honor to submit the annual report for the Isthmian
Canal Commission for the fiscal year ended June 30, 1913.
Mr. S. B.
that the work of his division had advanced
to such a state that the
was not warranted in continuing
bi resignation, elective Decemrber
1912; and it was reluctantly
This action necessitated a reorgamnization of the
d"ing the previous fscal year had been assigned to the Pacific divi-
dJ g prv' fi J-I l jl yea I _ H adtT iI'1 > T
preparing the designs for the shops, dry docks, and coaling stations.
T looks, daxn% spiUway, dry excavation between and below the
loch, theI uary, a>d the uiipal engineering work was organized
Ath. di o of the eer s office and placed in
charge of Mr. H.
0oe as resident engineer.
the operation for the procurement of sand were
"ith division of the chief engineer's ofie, under Mr.
...... Ix r1
W. G. Comber
KS ",, " !' "!! ,fi
K K -K % X
.:...= I. . "
, without any
Accordingly this was done gradually under the examiner of accounts,
It be properly st
the timekeeping force was turned
over as a
part of the organization of the fourth division of the chief engineer'
office on July
For similar reasons the cost keeping that had formerly been
under the chief
accountant, so that at
the close of the
of that of
the central and mechanical divisions.
An architectural force was organized
the plans of the
that is to be created at Balboa, near the Pacific entrance of the canal,
for the houses for the
sixth division of the chief engineer's
, thus consolidating it with
the dry-dock shops at Cristobal
examiner of accounts and the disbursing officer by which the system
vogue of separate checking of vouchers and pay rolls in
the act of August 23,
1912, making appropriations for the legislative,
~J! nnnr~w~nfc. IC, flj"Vfl7
expenses of the Government.
t~d A nac.naniA hi0 l~ni' I-ha nnniironr
fnf f1-h aoomn11n+
nnl .. o-, ,o h ^jcT'/'i ?'!I
xxxx xxx xxx x^ x x xxx x xx xx xxx .,xxxx x xxiJa
scores; the design and construction of aids to navigation; the inspec-
of the manufacture
under contract or otherwise,
of the lock gates, operating machinery, gates and valves, emergency
dams, and chain fenders; and of the placing of such concrete in the
locks as was omitted until the installation of the machinery.
he designing work
needed by the working force in the field, as well as for the spillways,
work for the second division
on the coaling plants and
The complete installation for a set of rising stem
setting the valves, placing the stems, roller trains, crossheads, motors,
and control panels.
It developed that the fixed ironwork for
ing the valves
for forming the
before installation could be begun.
all but two at Pedro
For all the valves at Gatun and
Miguel the corrections were made by
Miguel and all the valves at Miraflores it was done by a specially de-
signed milling machine. Ninety-four per cent of the fixed irons had
been corrected at the close of the year.
During the year
Pedro Miguel, and 24 at Miraflores, and 104
valves, including trains
Tesis were made,
with satisfactory results, on 39 rising stem gate-
valve machines at Gatun, 20 at
were given a
t st crew must run silently; the temperature of the crosshead nluts
mst not exceed 500,0., and no heavy vibration is permissible
Six side-wall intake
At Gatun the four lower side-wall bulkhead gates were also
S"^ .. .^ -m*i' �- �r ** *.
excepting the motors, limit switch, counterweight bases, and counter
50 per cent of the machines were delivered
close of the year.
The last of the cylindrical
tract was delivered January
electrical work of installing control panels and cables with necessary
conduits for these machines was 41.6 per cent complete for all locks.
As the result of tests made to determine the leakage of the cylindrical
it was decided to regrind all valves so as to allow a maximum
average opening around the seat of 0.004 of an inch.
machinery is the same for both cylindrical valve and auxiliary culvert
valve machines, except that 60-inch and 36-inch strokes are required
stroke of the
with the result that the cylindrical valves required 10 seconds,
the 60-inch auxiliary culvert valve 16 seconds, and the 36-inch auxil-
iary valve 10 seconds.
Tests of discharge were made on the cylindrical valve and the three
rising stem gate
valves in the spillway.
The first series of observa-
the valve, gave values of the coefficient of discharge for the cylindri-
cal valve of 0.445 as the mean of three observations, and for the gate
valves of 0.592
as the mean of six observations.
were complicated by the screens at the culvert entrances, which became
After the screens
rising stem valves; the a
head of 29.81 feet above
of the coefficient of 0.68.
the middle point
It is probable
with an average
of the valve, gave a
that a less favorable
will be obtained in operating the lock culverts on account of the fric-
tion and changes of direction in the stream after it passes the valve.
The cylindrical valve was removed before the later and more reliable
observations were made.
During the year, 14 gates and 1
caisson for the spillway at Gatun
a: .- -.--r _ !_- Jttn 1,.. A .^4 ii 'n I4ir1 annt> n, a- w.^-r aHr-v~' an/'�/ nnttuikrfj a
The device for shifting the gate upstream a slight distance after it is
clear of the water and the mechanism for raising the roller train out
of the water
started on 12
close of the
14 machines at
per cent of the
mechanical work on all machines was completed.
The construction and erection of the lock gates was continued dur-
year under contract
thi on dated June 21, 1910.
All shop drawings were completed, as
was the manufacture of all material for the gates, aggregating 57,500
tons; the final shipment was made in April.
In addition, about 2,100
tos of structural work for spare parts were built and delivered on the
Ithmus, completing this part of the contract with the exception of a
bolts, and rivets.
material for partly
or completely rebuilding any two-gate leaves on
thecanal in case of accidental injury.
The work of erecting the lock
gates proper began at Gatun May 17, 1911, at Pedro Miguel Au
7, 1911, and the Srst work at Miraflores was done on September
1919. At the beginning of the fiscal year work was in progress
-o -o -/ .- -- - - 1~~ --- - �-
half the total number in all the locks, but none of them had been en-
19,881 tons or about 84 per cent of the total, and much of this was only
about 963,00, or about 18 per cent of a total of over 5,700,000.
within a reasonable time seemed hopeless.
upona change in their local management and
'he contractors decided
, beginning about Sep-
l eirBI^! Ti~~t
and arranged for more efficient supervision.
e oths the improvements in the organization became manifest;
a high degree of efficiency was reached,
with a correspondingly large
Some idea of the improvement may be
judged from the fact that during the month
of 60,000 rivets were driven,
of March a maximum
while the highest number driven in any
1913 over 97 per cent of all material was assembled in the gates. All
44IAC Ud m7 I ;I1 X *h0~l road nchan of. Alfl/-nfnn <30~A +~~ltnC~ nor4 nlr.nrka n+~S^
(6 REPORT ISTHMIAN
1913; the latter sustain the maxin
without appreciable leakage.
mum working head of about 40 feet
erring payments were modified, as the original provisions proved to
riveting, finishing, and
further supplemental agreement was signed May 20, 1913,
completing the gates.
delays occurred for which
according to the terms of the contract, the
The rate under which the liquidated
in part due
damages are to
on the other hand, new
and later dates
was the date fixed for the upper guard gates at
gates at the lower approaches to
at Miraflores are
o permit ft
through one side of each flight,
from ocean to ocean, must be
by the contractors
be anticipated unless some unforeseen contingency should arise.
on the canal,
excluding pumps, floats
for attaching the operating struts, and
the masonry were in
under the con-
lock gates and
by the commission in con-
expended is $4,820,019.32, of which $4,065,39Z.01
. ..... . .
457$ 627 31
REPORT OF CHAIRMAN
chinery ox July
gates at G
the gates were closed
test was made
traveled from its full miter position
recess, at which
position in t
one leaf was
point the machine
of this ma-
of the strut
the opposite position in
r the ot
and 50% seconds.
The operation was completed a second time.
ing both operations the mitering of the leaves was perfect.
chased under contract, and this was tested out on the same date, under
approximately actual operating conditions.
One leaf was left in its
miter-forcing machine wa
then operated and it brought the gate to
of perfect miter.
opening of8 inches, brought the gate to a point five-eighths inch from
During these tests the miter-forcing machine was operating
test several changes were made and the option under the contract of
purchasing the remainder of the miter-forcing machines required for
all the locks was allowed to lapse and new proposals invited. Under
the new contract all the machines required have been delivered. The
on account of noncom-
pletion of the work on the structural gate parts.
account of the studies
elected for the construction
was given in
t911, all material for the trial fender was delivered on
begun about January
March and Anril a number of tests were made.
The first series con-
ments was made by use of a Lidgerwood unloader to test the opera-
fender under conditions somewhat similar to those that
a moving vessel.
, touching the
over a con-
stantly increasing arc of contact.
The movement will be resisted in
part by the friction of the chain along the hawsepipes, in part by the
pressure which acts against the upper surface of the moving cylinder.
per square inch,
when the chain
parted near or on one of the lower
This pressure corresponded to a stress on the chain of less
than one-half the breaking strength obtained in the shop tests.
belief that a
The great tidal range below
Miraflores locks made a
chain is stretched
across the lock
is practically ti
; either of two
e same, DUt me
to the stage of the tide.
The chain is endless and
, by a stop mecha-
the operating machinery and is raised or lowered, that which passes
through the other hawsepipe remaining at rest.
previous annual reports,
were completed and invitation for proposals
and curved surfaces throughout.
Their extreme length is 113 feet 10
molded breadth 36 feet
, breadth of the top deck 18 feet, and
depth at the side 65
With fixed ballast only,
the caissons will
float at a draft of 32 feet,
will be increased to a maximum of
feet bv flooding them
ht ey are
e ht deepest
. . a. LJLJ V--- .s ,a * ara ,^ 9 'iN� w* .*r-l a^ a^rt -- - V - W �'* *'-- - r -v -- -. r -- Wf-.T-
ADA A NA
The pum ps and
will be electrically driven,
cranes and windlasses will be operated by hand.
All the remaining parts of the towing track material to be furnished
under contract were delivered on the Isthmus before the close of the
at th. close of the
most of the return
track has been
Atlantic and Pacife divisions during their construction
Bids were invited
the electrical subdivision, and a contract was entered into for furnish-
ing 1 locomotive with the option of purchasing 39 more, or of substi-
tuting for this locomotive one built according to the design submitted
Isthmus January 25, 1913, and ready for operation February 7, after
which it was tested.
The result of the test developed defects, so that
chang and improvements were necessary in order to fulfill the con-
changes if found necessary, the changes and improvements which it
could not be classed
as minor ones.
As a result, advantage
was taken of the option in the contract and an order was placed for
the required number of locomotives on
the design submitted
General Electric Co., abandoning the design of the commission.
A series of tests was made in Limon Bay on ships of the Panama
Railroad flet, at various speeds and rates of acceleration, to serve as
a check on the basis used for the design
The size of the ships ranged from 3,500 tons to 10,400 tons displace-
mentat actual draft at the time of the tests.
A tug was used
could exert a maximum
A manila towrope of 7-inch girth indicated a pull on a dynamometer
coisisting of spiral springs working between circular end plates with
a steel sale for indicating the compression of the springs.
accelerated to the desired speed as quickly
as the power of the tug
The speed was then held constant until a sufficient num-
feet of lead-sheathed
ducts has been rodded and
cleaned and is wired
part of the
pulling in the remainder of the cable as needed.
All cable is pulled
the rate of 70
The cable is greased
feet per minute. A
the ducts at
lengths as long as 900
of pull for various lengths and combinations of different cables.
contemplates the control
of every piece of machinery
the lock walls from
a central station
on the center wall
of the entire lock
or flight of
The switchboard is so arranged
panel and indicating
gate or valve
in the same
by the actual machines, so
that by means of red and green
lights and small models of gates and valves operated by synchronous
The general features of the illumination of the locks were described
porting the lamps for exterior illumination of the locks and grounds.
lamps, so as to give a broad illumination over the lock chambers and
the ground surrounding the locks.
The poles are arranged in 4 rows
- V. . 1 .
I a-. rt%1-. I
h US ~ aruc*L~ I y~y il *L* EI *I*u * *3S.Sl * Etl''K K
wll anti 9
the end of the 'rear. The erection of the penstocks is comniete snd
balance of the work of installation-
baNl~ancef 1vthe 'woprko in' stallation
Du the year it was decided to install for the transmission line
Sovehead system of 44,000 volts, extending from Balboa to Cris-
ba and connecting the Gatun hydroelectric power station with
or in parallel,
are provided, and located at Cristobal, Gatun, Miraflores, and Balboa.
The complete line consists of duplicate three-phase lines, one of which
is carried on each side of track-span bridges spaced 300 feet apart on
The bridges are of structural steel,
with a clear
an over-all height of
duetors are to be 2/0 stranded copper wire spaced with a clearance of
brackets outside of towers,
three-part suspension insulators,
with noncorroding connecting links
to allow a maximum life and a minimum of line troubles.
e year the
for the emergency
tions, the object being to insure that the
the rails will
not be so great as to prevent the lowering of the gates by their weight
alone and that no objectionable distortions or permanent sets will be
produced by the maximum pressure to which the gates will be sub-
jected. Practically all structural material for the turning and wedg-
ing machinery for the emergency
dams was shipped
to the Isthmus
with a few exceptions, has arrived in excellent condition.
assembling of the east dam at Gatun was begun July
1, 1912, and was
Erection of the west dam
five and a hal months, or March 1 1913.
The material for the west
1, 1913, and practically all of the material has been assem-
on the east dam,
Jun 30 over
50 per cent of the material had been assembled in
, , ^ t1
*..* * m
After three complete operations of the dam, as required
by the contract, the second part of the test was started, consisting of
operating the turning and
wedging machinery for 20 days, at inter-
of limbering up
After completing the second
part of the tests,
operations were made
the contract; the last completely closed the passage in 42. minutes and
19 minutes and
13 seconds less than the time
the first test.
Under the aids to navigation 12 range towers were' completed,
some minor exceptions in the Gatun Lake section.
of reenforced concrete
These towers are
With heights from base to focal plane varying
range targets were completed in the Gatun Lake section.
be approximately 32 of this type, by means of which gas buoys may
, and Bas Obispo
ence targets also form
short tangents at those
unlighted ranges which mark the axes of the
concrete caisson for
of last year,
light and fog signal,
to a height of 25
was begun in
at the inner end of Limon Bay in 20 feet of water,
where it will re-
until its riprap foundation at the outer end
has reached its final settlement.
The plans for the west breakwater
light and fog signal were revised under the supervision of the archi
supersedes the one shown
Fifty-one concrete buoy sinkers 48 by 48 by 26 inches
and forty-five 24 by 24 by
inches were constructed at the
plant of the lighthouse subdivision.
A reenforced concrete wharf 70
, was built for use of the lighting establishment of the canal by
the Panama Railroad.
It will be used for storing,
painting, and re-
5 * 1 --------------A. - - - - a - - - ..I - A. F * - - nan A. - I a - ~. - - a.-. - - S S -
Approximately 250 acres of canal prism
from San Pablo to
of land were cleared of trees in the vicinity of Mamei for the dredg-
For detailed information concerning the operation of this division,
attention is invited to Appendix A.
of this division
embraces the construction
atd dam at Gatun,
the quaxry at
the sand supply,
breakwater for the shelter of shipping and
of the chan-
division, and such sanitary engineering work within the same limits
x-y x-* xx
as is prescribed by the sanitary
Caribbean was in charge of this division
On this same date th
William L. Siber
dock and shops were transferred
The work of the division is in charge of Lieut.
t, United States Army, as division engineer.
At the beginning of the fiscal year dredges were at work excavat-
ing an area north of the caisson sills of the locks,
flare or wing walls and the north approach pie]
wing walls are
built on rock and
partly on roct, but for the greater part on piling.
For the former it
was necessary in
feet below sea level in order to uncover the rock; and as the dredges
eol$ ecavate only to a depth
of 41 feet,
of the pool had
tD 'be lowered
a :to dam v
s built geros
was lowered by pumping with
*wasL>' H: I viif
tion jor the flarp walls was carried well
a * -
iw de for the walls agd for a rock 011
the rear and made suf-
-. llk I
al back of it from sliding as the watet was lowered.
were cared of trees and brut, and approximately
was to sustain
and for a
of 140 feet along
moved, a dipper
posing the foundations.
The dredge was grounded at 55
foundations where rock appeared, and also excavated such material
west locks as
The channel excavation and the preparation of the foundations were
accomplished by shovel, crane, cableways, and by hand.
walls are built solid.
The north approach
feet wide and consists of a series of piers placed 50 feet centers
steel girders incased in concrete.
In plan the
built on the piling.
The first six of the openings north of the locks
a pier 1,200 feet in length, measured from the angle of the flare walls.
In December, 1912,
the division engineer recommended that the wall
be shortened 200 feet.
A slide had occurred at the north end
pit when it was dewatered, covering the foundation of this portion of
the wall, and the removal of this slide,
would have to be done
more nearly to
the one at the south,
which is 994.5
as a considerable saving in
sult, the recommendation
was approved and the length of the north
- - - a - -
material from the sump into which it was washed.
The con cate in
by the cableways,
were also used for so much of the center pier as could be reached by
The remaininMg portion of the latter was laid
doncerte being supplied by the cableways through hoppers and chutes.
164750 cubic yards; of this amount 137,218 cubic yards were classed
as plain concrete, and
reenforced, and cost
cost $6.5383 per cubic yard; the
cubic yards of concrete were used for the construction of lamp-posts
and their bases, snubbing-button bases, machinery-room
trol house, paving between the upper lock and the Panama Railroad
under the emergency
division, making the total handled
cubic yards. Th
gated 2,040 715 e
i~elU|AriVXV! L o<
Atlantic division 170,280
e total amount of concrete laid in
the close of the
an average di
locks by the
year therefore aggre-
vision cost of $7.1220
per cubic yard.
Last fall it was estimated that the concrete work of the locks would
well parapets, paving, and the closing of a few
left for construction purposes.
openings which were
Of the amount of concrete laid dur-
ing the year, 2,742 cubic yards were produced
1,944 cubic yards were mixed by hand, and the balance by the 2-yard
mixers installed in the construction
I addition to handling sand fn
the stock pile,
the unloading cableways were
for transferring sand
from the stock piles to the tunnel hoppers and for loading rock for
sale to outside parties.
There was sufficient broken stone in storage
that none was crushed during the year.
* A total of 171,866 cubic
yards was taken from the storage pile for use by the division, 1,568.5
:'~~a 1*- - 1 .� * � . I . 1_ J I .r2-J-. - 3- -^ _,L ,
The back filling of the side walls and the filling of the center wall
was made of material obtained from borrow pits and from the canal
aggregating 637,226 cubic yards, all
Of this amount
of it removed by steam
,565,756 cubic yards were placed behind the
side walls at a cost of $0.3805 per cubic yard, and 15,872 cubic yards
by the cableways
it a cost of $0.8320
used for back fill v
an average cost of $0.4586
113,163 cubic yards placed in the center wall at a cost of $0.7780 per
Teams and scrapers were
work in March, 1913,
of the fiscal
year bringing the back fill to
final grade and for the construction of a
wagon road along the east
side of the l
in this way,
About 1,500 cubic yards of material were handled
total expenditure for this purpose of $9,296.82. It
to pave the exposed surface of the back fill between the
locks and the Panama Railroad station
with concrete slabs 5 feet by
5 feet by 6 inches, extending from elevation 78 to the top of the slope,
on from 4 to 6 inches of broken stone from Ancon
Below this concrete
paving the slope was to be covered with riprap
paving was estimated
was completed and 125 square yards of the concrete paving hed been
finished at a total cost for the latter to that date of $1,172.91.
is erected in
of the latter,
were made at a cost of $149.4299 per
The construction of the control house, designed by the first division,
, for the Gatun locks was begun in
At the close of the year the three floors and the walls
for the first and second stories of the building were completed; the
the close of the
year the Gatun Dam had been
raised to an elevation of 103.35 feet for a length of 1,000 feet east of
the spillway, and for the balance of this portion of the dam the dry
- - - - - . ~ . - jk a * A , . 1 n*- - j1
was secured from the borrow pit which had been opened during
lay a to top the hydraulic fill from borrow pits north of the
dam and inm the vicinity of the locks.
From two to six steam shovels
were engaged in procuring this material and removed 2,159,159 cubic
designated as rock.
by three pipe-
lint suction dredges operated in
sutton o crate
tant, the maximum lift being
The total amount handled,
fill was'stopped in September, 1912.
No complete survey was made
lated, and for the following months, estimates were based on borrow-
Under these circumstances it is estimated that the
loss of 21
cent of the
the hydraulic fill, it was estimated that there was a loss of 324,141
cubic yards Or 65.8 per cent due to waste through dram
age, and consolidation.
consolidated fill for the year ag-
amounted to $0.3755 per cubic yard and of the hydraulic fill $0.2654
per cubic yard.
Levels were run monthly with a
view to determin-
feet apart longitudinally and about 100 feet apart transversely.
slope of t
a bulging and
o'clock in the morning of this date the track which was at the top of
the dry fill, elevation 101, settled vertically about 3 feet over a length
5.1 feet on 1
the 30-foot contour.
On the morning of August 30 a
lateral movement of 3.4 feet on
the 85-foot contour, 3.2
-.1 --- -
.rik t twr~ 'in f ntf^fit an JV^ .f� .. ' ~rr -i V * flk r -^ n. ron.^i n-- r ^ *r n fla rrtn 0^W^.~ fr-^ : 3. n~rr fl� -V rwun ^jrT ri flu ^** n
...... _ "_ � 1
on the 30-foot contour
The south slope of the dam remained undisturbed.
of the portion of the dam which moved was originally fixed at 1 on 5
(section DD, plate 19, annual report,
1909), and this was authorized
is near the
only thing to be provided against in this slope is the slipping of the
along this portion underlying the structure there could be no question
that the movement was within
the dam itself, consequently test pits
were not resorted to as in the case of the movement on the east part
of the dam, reported a year ago.
samples was made.
A line of wash borings with drive
These borings clearly indicated that the relative
proportions of hydraulic fill and dry fill which would bring about the
desired section of hydraulic fill-wedge shape,
with the point down-
had not been
but that on the contrary the
face of the
the opposite of this.
and the slope flattened to an average of about 1 on
To prevent injury to
the dam that might result from
south slope by waves in the lake caused by strong south winds,
prevail at times, it was necessary to pave such
of this slope
as is liable to such action.
Concrete paving was at first considered,
but because of settlement, due to consolidation and the irregularity of
the surface, it was decided to use riprap laid on broken stone.
in height might
the paving was extended over that portion of the slope lying between
elevations 74 and
A layer of
crushed stone, supplied
over the dam
about 4 inches.
Over this a sufficient thickness of riprap was placed
to protect the broken stone from the action of the waves.
and was estimated to cost $1 per cubic yard in place on the dam.
the cost, however, after a
- . - S - - .- S - S., S
and crest piers,
while the central portion, about 870 feet in length measured
along the crest,
had been practically
completed to elevation 50.
previously noted, four sluices had been left-three closed by Stoney
gates and on by a cylindrical valve-to permit control of the water
fln were carried
while the central
had been finished to elevation 50,
was left at this height to allow the
ood waters to escape during the rainy season.
Work on the closing
of these openings
as soon as the
could be dropped below elevation 50 and the work pushed.
was erected on the flanks at elevation 95 and
was extended entirely
around the dam
when the full height of 69 feet was reached.
it the west abutment and part of the crest piers were built to eleva-
tion 115, or full height, and
14 crest gates were
the completion of the west abutment the trestle beside each gate was
side of the
pImr,1 T rte-QL
operated by the cylindrical valve was closed,
In February the sluice
but it was impracticable
three remaining sluices could be closed.
The water in the lake, con-
by the sluices,
was held at
week in August,
when the completion of the guard gates and caisson
sills of the looks permitted it to
the early part of December the
part of the dam and
water reached a maximum elevation
season the water was lowered to elevation 48 so that work might be
on the spillway, and the sluices were finally closed on June
27, as the plans contemplated raising the lake to
full height during
the present rainy season, start'ihrg with the water at Gatun at eleva-
tion 50 on July
date was 49.15.
The elevation of the lake at Gatun on this
Advantage was taken of the flow over the spillway
**"*"* :L- a
the rising waters
of floating islands,
brought into existence
_......... ... - . - ._ _ _ . . _ _-._ : *I. ^ ^ - . ^ ^ ^ J -c M * * * h .& - J - * ^ . * - . -. * - _ - __ - I _ _ _
I I i
Concrete laid in the spillway for the year aggregated 21,19 cubic
yards, at a cost of $8.1227
per cubic yard.
The excavation amounted
to 175 cubic yards and cost $2.3913 per cubic yard.
The total amount
cubic yards, at an average cost of $7.4838 per cubic yard.
first division of the chief engineer'
office for the hydroelectric power
The excavation was completed and during the year 14,948 cubic yards
were removed-rock and
earth-at a cost of $0.4022 per
in the preparation of the foundations 11,684 cubic yards,
98,751 cubic yards, at an average cost of $0.5486 per cubic yard.
steel structure in 45 days and at an additional cost of $6,496.74.
the Atlantic division estimated
that the erection
could be done in 42
days by its own
completed at a cost of $4,643,
was assigned to the Atlantic division.
was commenced on May
The erection of the steel work
, and at the close of the year about 65 per
cent had been erected and 90 per cent of the field rivets driven.
amount thus far expanded was $6,154.36.
The penstocks were encased
The forebay walls with trash-rack and stop-plank grooves are about
95 per cent completed.
feet of trestle,
added, making the total length of trestle 11,526 feet.
amount of rock received from Porto
on the break-
locomotive cranes and
subsequently plowed off.
The balance was placed by derrick barges.
rock removed from
the channel by the dredges were dumped
- a- - it *0 * S
cent large rock could not be secured from the two benches to complete
the breakwater, so that this development was temporarily suspended.
and in November, 1912, operations were resumed by one steam shovel
in the id erushed-rock quarry, above the two benches; after the first
of the year two more shovels were put to work on this higher
The broad -gauge equipment,
previously in service,
barges per day.
securing rock of proper size about 60 per cent
of the output was wasted.
As previously noted, the Toro Point breakwater is intended for the
protection of the harbor and the shelter of vessels against northers,
and its line of direction is normal to the prevailing wind during these
It is not intended to give protection against the waves pro-
duced by the trade winds,
which generally are from north to north-
east and which are not dangerous to shipping that will use the canal.
limon Bay in the vicinity of the canal entrance,
and survey made in
March, 1913, showed that the channel in the vicinity of the shore line,
so as to give an
available depth of only 27 feet and that in the center of the channel.
the silt deposited in
the previous 12 months was 2,213,082 cubic yards.
As the result of
silting is ar ely
action disturbing the soft material of the bottom of the bay,
. is taken up and carried in suspension and subsequently
the deeper channel.
The deposit is generally uniform except in that
part near the shores of the bay.
The Atlantic Fleet during its visit
lee of the
wok and at times the trade winds made it difficult for small boats
to reach the ships, and, as a consequence,
the construction of
the General Board
protection of the
dangerous and, a
anchorage area, stating that at times it
t times, impossible
gaged in coaling battleships
stances, and as such
a breakwater will protect the channel
.I* r it S C - 9 � *-
REPORT A OFAflGMAN
This project was approved on July
12, 1912, at a total cost of
the Gatun Lake from the Brazos Brook Reservoir within which is to
be laid a 20-inch main, with its inlet at an elevation of approximately
5 feet below the extreme low water level in Gatun Lake.
line, 600 feet in length, extends to the Brazos Brook Reservoir, and by
means of a control house the water in the reservoir is maintained at a
minimum low level of 1 foot below the spillway crest, so that any ad-
ditional amount of water required over that furnished by the water-
was laid from Brazos Brook Reservoir to Mount Hope, the site of the
included an aeration basin, sedimentation basin, and
filters after passing which the water enters a clear-water basin having
a capacity of approximately 650,000 gallons.
This basin is connected
by an underground conduit to the pump sump beneath the floor of the
was commenced in October, 1912, and at the close of the fiscal year all
Gatun Lake and Brazos
Brook Reservoir was practi-
installation of the machinery; the filter building was completed up to
chambers and aeration basin were laid.
In addition to the operation
of the purification plant at the Agua Clara Reservoir, the usual main-
work was carried
on during the year.
Approximately 70,000 square yards of macadam
were laid and re-
linear feet of curb and gutter laid, and 4,600 feet of sewers installed.
In addition, municipal improvements were carried on in Colon under
an appropriation by Congress for the purpose.
Of the appropriation
municipal improvements in Colon and Panama,
there were expended
during the year in
the former locality $53,939.15,
making a total ex-
pended in Colon to the end of the fiscal year of $505,909.54.
I^eKiIIiK N,, ^.K K
of this division
atun D a Pedro Miguel Looks, including diversion
the construction of the Naos Island Breakwater, municipal improve-
various settlements included within the division limits,
and sach sanitary engineering work in the same area as is prescribed
by the sanitary
work is in
charge of Lieut.
- , I. Gaillard, United States Army, as division engineer.
year was confined
tion to this, 155,376 cubic yards were excavated in changing portions
of the Obispo diversion and 35,888 cubic yards outside of the canal
prism for auxiliary work; the total amount of material handled by
the central division, therefore, aggregated 12,773,388 cubic yards, of
because of slides was 5,899,200 cubic yards and
1,593,070 cubic yards of material
upper reaches of the banks to reduce the quantity to be taken from the
or as a preventive
other words, 46.67
per cent removed from the Cut was due to slides,
as against 35.90 per cent during the previous fiscal year.
year, and aggregates for the Culebra Cut 8,200,000 cubic yards; in
cubic yards over the estimate submitted in the last annual
prism lines and 6,860,500 cubic yards estimated for slides,
a a ~- -
whch estimate includes the amount for benching back
& us to relieve the pressure v
may either increase the extent
The total amount o material
of existing slides or cause new
so far removed
gates 22,570,200 cubic yards, or an increase of 2,304,200 cubic yards
over that estimated in the last annual report.
creased as the (ut was deepened.
Slides and breaks in-
No treatment has proven effective
for ides when once developed except that of excavating and hauling
*,, -- a^A ^� 2 . JPt_ -L - - ._. _.i* -. -l
canal had been reached and
the widening cuts had
factorily until within approximately 60 feet of the line of the prism
on January 20 the
broke and there slid into the Cut approximately 2,000,000 cubic yards
of material extending completely
across the Cut,
Kly stopping the
topping the tracks
passage of trains
was subsequently reached
cient width to put in drainage pipes for handling the water from the
weight of the superimposed mass
Work was con-
the slide during the year, but principally for the
of maintaining the
the 67-foot level
open for the
This slide at the close of the fiscal year covered an area
of approximately 50 acres.
The total amount removed thus far since
began moving, is
3,859,500 cubic yards,
rial on the sot
1,500,000 cubic yards still to be removed.
Ih side of the slide is practically all clay,
of it consists of clay and spalls,
and the north side of it rock with a
handled by suction dredges,
while the material
on the north side can
West Culebra slide
1,922,700 cubic yards were removed
during the year,
making a total fr
the time this slide developed in
of 8,687,600 cubic yards, leaving approximately 2,390,000 cubic yards
top of the bank is taken
This slide covers an area of 68
From the slide at East Culebra 1,676,300 cubic yards were removed
since the slide first
developed in January,
approximately 55 acres and extends from the north side of Gold Hill
els on the
upper reaches of the
East Culebra slide were
-. - - - . -
porary channel constructed for the diversion.
The shovels were con-
excavated for the Obispo diversion the slide was attacked and 181,100
bic yards removed during the remainder of the year.
On the east ide of the Cut, north of Gold Hill, there is a French
about April 1, 1918, parallel to the Cut and 635 feet distant from its
edge, but it does not join the Cut at any point, beginning and ending
made for sluicing as much as possible into the valley to the east.
The summit of drainage in the Cut continued about opposite Cule-
bra until the two shovels cutting to grade on the bottom produced one
summit was drained into the Pacific through
the Pedro Miguel Locks.
The dike separating the Cut on the north
side from the Chagres River remained intact and the pumping plant
previously described continued in service to handle the water which
drains to the north from the summit, with the addition of two French
centrifugal pumps, 17-inch discharge, added after the break north of
La Pita Point.
With the opening in the spillway at plus 50,
with the upper gates
iiguel not complete, it
the dike at Gamboa and
therefore decided to raise the Gamboa dike to elevation
diversion channel from the Cut.
The amount of material utilized for
this purpose aggregated 37,080 cubic yards
As cracks developed
the appearance of
the sides of the
additional slides which, if they
let the water of the diversion into the Cut, it was decided to relocate
the diversion farth6t to the east itd this was done in
Empire, and another around the break north of La Pta Point.
necessitated the handling of 128,076 cubic yards.
i1_ _ r . __ .. _1 ___ . ..... -. 1- . .. - -
-^^ *- -h .t1. - an._ * I- Ia a. -. am- -- a - 111 S~r2k ii1 1 _
tion, the steam shovels were placed closer together and necessitated an
average of six locomotives daily to handle the trains to and from the
shovels, besides those used in hauling the trains to the dumps.
Due to the development of slides and beginning February 20, 1913,
on the upper
benches, so as to secure
While this increased the cost to some extent, it was more than
justified, after the decision had been reached to admit the water into
the Cut in October, in order to remove as much of the remaining rock
in the dry as possible.
The dumps in use during the year were those at Miraflores, Balboa,
line of the Panama Railroad south of Pedro
It was neces-
sary to abandon the old line of the Panama Railroad in the
of Miraflores Locks,
permit the construction
of the spillway, and
subsequent to March 4 trains had to be operated over the single track
through the tunnel.
This reduced the number of trains that could be
operated to the south and caused the opening up of the Pedro Miguel
the east side of
the Cut was wasted partly in extending the dump north of Gold Hill
Miraflores, Ancon, and Balboa, operating over the Gold Hill cut-off
dumps to the south.
the east side of the
A total of
284,755 cubic yards were dumped on
used for filling swamp lands northeast of Ancon Hill
and Sosa Hill 54 acres of marshy land that it was
,487,108 cubic yards of waste material were furnished other divi-
:ID'AN~:~Nai~A " N
plan suggested by
adopted. The p
W. G. Comber was considered by a board and
consists of the building of
a double trestle ex-
tending to "an stand, dumping to be done on either side, thereby
sprd the fil over the treacherous
far as the island.
this was done, filling was to
commence at the island carrying it to full height.
fail, ample length
Should the trestle
th. end of the fnished
completed and filled,
while the broken
600 feet long.
The total amount of material
The soft material was
and up forming a ridge of mud, intermixed with stones that had been
dumped in and carried up by the soft material, parallel to the break-
total amount extended
on the dike
Pacic division up to June 30, 1913,
per linear foot.
was $384,540.89, or about $22.14
plant charges and all items which
was $0.5525 per cubic yard. The to
tral division since American occun
cubic yards at
an average cost of $0.7105
Actual construction work on the Empire-Chorrera Road was com-
work, and a small force of paid labor was established for the pur-
pose of placing screenings and
doing other work necessary for the
to a point on the Las Cascadas plantation road, about 3,600 feet from
This road will have a total length of a little over 5 miles.
ade was erected
to house the
prison labor which is en-
a iS* *A L A - afi" S 4� * - - *- - - -
would be left for dumping between the break and
a stretch about
ital amount removed from the cen-
ation up to the close of the fiscal
Of this total, 93,805,975 cubic yards were removed from
the maintenance of water supply
to the shops
and for other
ated at Lirio, Sardanilla River,
create ditches, and
clearing 908,331 square
yards of brush and grass.
For further information
concerning the operations of the central
division, attention is invited to Appendix C.
As already noted, on the resignation
of Mr. S. B.
The fifth division has charge of the construction of the locks, dams,
neering work within
the area covered
works of the division,
be prescribed by the
the same area.
work is in
of Mr. H.
O. Cole as resident engineer.
Miguel Locks was corn-
pleted during the year by the removal of 3,044 cubic yards from
cost of $0.4078
excavation consisted of the removal
lock site, and the material
of the French
was utilized for back fil
the excavation necessary for completing the locks,
dump east of the
I. In addition to
2,190 cubic yards
for the construction
passage of water
of the east wall,
under the tracks of the old Panama Railroad which are in use by the
flooding the locks, a cofferdam had been left to the south
pletion of the concrete work of the locks, and the subsequent increase
io ncth Af tha Q3lnth
fl.I *i * U *flA *~ * SUE flE Si'..' * a~Zflfl' ~ Si L'A. ti V LJAA.LtJLA. L.~
^::::::::~~~~~ Ia :**jkj
th end o
Sthe locks on
west side and of an average of 3.05
half-cubic yard mixers which were moved about as necessity required.
by derricks and locomotive cranes
cbdumped direct into
cubic yards were plain
concrete at a cost. of $6.5432
per cubic yard
and 1,00 cubic yards were reenforced concrete at a cost of $9.7989
per cubic yard.
The total amount of concrete placed prior to July 1,
191,in the Pedro Miguel Locks was 906,293 cubic yards at an average
cost of $5.5061
per cubic yard.
The back filling of the lock,
wing walls, and center wall was cornm-
pleted during the year, and the riprap finish at the ends of the south
wing walls was partially placed.
was 3G7,150 cubic
of which 193,212 cubic
center wall at a cost of $0.3895 per cubic yard, and the balance behind
the side walls at a cost of $0.4642 per cubic yard. The total amount
of back fill placed up to June 30, 1913, was 806,538 cubic yards back
of the lock walls at an average cost of $0.3889 per cubic yard, and
215,149 cubic yards in the center wall at a cost of $0.4480 per cubic
The west dam at Pedro Miguel, consisting of rock-filled sides and
puddled-clay core, was completed and the top finished at elevation 107
During the year 114,117 cubic yards of fill were added,
making the total in the cam 696,558 cubic yards.
The average divi-
division cost for the entire dam was $0.4471 per cubic yard.
the placing of concrete,
were carried to completion
during the year.
fed with and retarded by slides and by the water-bearing strata of
In some places it was necessary to build retaining walls
to prevent mud from flowing onto the foundation areas, and the slides
the use of auxiliary
concrete mixers for
laying the wal
diently high to secure a bearing for the berm-crane tracks.
_., ^. �-- S * -
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of the wall constituting the return bulged slightly, but further move-
ment was checked by depositing material along the face of the return,
thus adding a counterweight.
The center approach
of the flare
the full length
concrete caissons sunk to rock.
These caissons consist of reenforced
concrete shells 7�
diameter and 1
tions 6 feet long and sunk progressively, the bottom shell being fitted
with a steel shoe for a cutting edge.
The caissons were sunk to bed-
rock at an average depth of 29.43
feet and filled
with concrete, thus
and 27-foot centers transversely.
on heavily reenforced
concrete girders spanning the cais-
sons in both directions.
The south approach wall is of massive con-
create and is founded on natural rock.
total amount of
in the Miraflores
Locks during the year was 450,792 cubic yards,. of which 402,607 cubic
yard and 48,185 cubic yards of reenforced concrete at an average cost
of $10.8023 per cubic yard.
Of the total amount, 308,914 cubic yards
the center wall.
in part by the
on the east
wall which operated from July 1
1912, to October 26,
97,603 cubic yards.
to the regular plant, an
3.12 half-yard portable mixers were used throughout the year.
the close of the year was 1,476,895 cubic yards at an average cost of
zr cubic yard.
The concrete work
the locks proper was
, except the reenforced concrete floor and stair-
way in the middle wall at the junction of the upper and lower locks,
_ ---. - I
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AND CHIEF ENGINEERB.
of the lock walls proper was placed at an average cost of $04068 per
cubic yard and that in the center wall and the centr approach piers
at an average cost of $0.5978 per cubic yard.
total amount of the back
the walls up to
was 2,006,054 cubic yards at an average cost of $0.8466
per cbic yard,
storage cost Cf 6182 per cubic yard.
During September and
avatd for the spillway
October, 1912, 9,896 cubic yards were ex-
had to be
no work was
and also by hand loading into skips which were handled by derricks
fact that the central division tracks for hauling spoil from the Cut
to give the central division as much advantage during the dry season
It was assumed that the spillway must be completed by
central division tracks from the site by
March 1,1913; this was not
until March 4, and
when the excavation
of the entire
was anticipated and
a greater amount of
fact that the Rio Grande passed through the site of the dam and had
was brought up
concrete of the dam, and another dike built on the south side to con-
for which they were not responsible,
ig the pacing of the gates and the
thd walknvr on inn.
of the steel
The oneninw for thA namsrn tf tha fin flranda
reenforced concrete at an average cost of $19.60 per cubic yard.
on the east side of the locks to
toe of the
cars in 2-yard buckets.
The berm cranes mixed for use at the spill-
way 27,619 cubic yards, bucket measurement.
In addition, an
west dam at Miraflores was completed
the exception of the junction of the dam with the back fill along the
during the previous fiscal year and the total amount of dry fill added
was 418,375 cubic yards at a cost of $0.4076 per cubic yard.
was advanced over the hydraulic fill the softer material
side of th
o bear t
1 it was
a water jet.
was pushed over .on the west slope of the dam by raising and crowd-
ing the east dry fill.
a complete covering was made to
Excavation in the dry between Pedro Miguel and Miraflores Locks
of the locks was continued throughout the year, the spoil
back filling the
the east and
lock walls, for the dams, and filling
west sides of the canal.
during the year was 379,626 cubic yards, car meas-
shovels and dredges, so as to keep the latter at work, a new dike was
built across the canal approximately 3,300 feet north of the old one.
After closing down
the hydraulic excavating plant which had exca-
vated the area between these dikes to rock at elevation approximately
minus 45 and
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riy-rlrvcio-Ry +TIAa rLayjaci
quarry was operated throughout the year with a cornm-
operation for oabut three years without a general overhauling until
May 16, 1913, when it was shut down for 10 days for the putting in
in main crusher, general
overhauing of th four
driving shafts, etc A
6 rushers, lining up of screens, motors,
small No. 5 gyratory
crusher taken from the
o Rio rande quarry was installed on the floor of the south end
t the rock bins for the purpose of crushing a portion of the larger
rok in order to supply the increased demand for smaller sized stone.
The total amount produced was 688,301 cubic yards, of which 424,860
cubic yards were placed in storage, 21,301 cubic yards supplied to the
H^ X Cb
cost of the rock
storage at the locks was $0.7795 per cubic yard; that furnished other
divisions and departments was supplied at a cost of $0.7853 per cubic
The hydraulic excavating plant continued at work until December
1, 1912, when it was taken out of service owing to the fact that most
of the remaining excavation
was hard rock.
The material removed
by this method
for reclaiming tidal swamp
lands east of
and adjacent to the canal prism.
The total amount removed during
the year was 451,631 cubic yards, at a cost of $1.0113 per cubic yard,
making a total removed by this method of 1,549,904 cubic yards, at
an average cost of $0.69b9 per cubic yard.
At this cost
plant charge, $432,841.92,
was made by
o it be utili
was still in serviceable
Assistant Engineer W. I
zed in sluicing the soft
. Thompson that at least a part
te north side of Gold Hill and on
the top of the east bank
0 Isbra Cut.
This bank had been to a certain extent stepped back
by steam shovels in the process of lightening the loads on the upper
part of the bank, but this work was stopped in August, 1912, on the
score that Lidgerwood ears could hot be spared for this service and
that the material could not be handled eononmically with steel side-
dump cars during the wet season.
The rain had
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depression to the east some of the clay that would otherwise fall into
The proposition did not appeal to the officials of the central
decided to make use of the sluicing plant for this purpose.
tion selected for the pumps and
Cucaracha Hill could be taken <
was such that the rear of
to the east by the use of relay pumps and, further,
remained on the Cut side of Cucaracha Hill could be washed down to
thereby finishing up Cucaracha slide
These considerations led to the adoption of this method
charge of the
mains and flumes was started on February
Two boilers and
The dam has created a lake of approximately
a drainage area of
4 square miles.
the suction at the pumping plant is 214 feet above sea level, and the
of the pipes forming the spillway is 228.
The material is
washed back into the depression which forms the lake, and discharges
such a distance
sluicing is returned
the lake and
only a small inflow to keep the lake at constant elevation.
was begun on June 17, 1913, and 57,274 cubic yards were removed by
at an average cost of $0.1835
per cubic yard.
pumps have been ordered
and when received operations for attacking
the rear of Cucaracha Hill will be begun.
To meet an increased demand for water at Ancon and Panama two
installed in the Ancon filtration
On account of future
relaying it along the Panama Railroad line was partially completed
- .- -a - A~
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the year of $3,323.95, of which
road roller. The total amount
ments up to June 30, 1913, was
$2,879.80 was for the
expended in Panama for the improve-
Work was started on the permanent town site at Balboa in March
and included the installation of 750 linear feet of reenforced-concrete
storm sewer and 1,222 linear feet of reenforced-concrete drains, filling
hydraulically of a portion of the town site with material pumped from
, laying out of the
bmcks, and the location of the permanent administration building.
36,500 cubic yards
tion, concrete piers for the columns were placed, and the erection of
the stl frame for the superstructure was begun.
drains, excavating 5,079 cubic yards of new
holes and swamps, laying 2,520
linear feet of tile drains, construct-
division, attention is invited to Appendix D.
c ief engi never.
It was decided in February, 1913,
1918, by removal
it the waters of
of the dike at
- - a
dbsovdi 30,000 cubic yards had to be removed from the lake section
north *of -Gambon and that this could be done most economically by
kh consists la
after the heavy rains had set in, but could be handled efficiently by
quent to the admission
of water into the
The fleet available on the Atlantic side of the canal consists of the
Mindi, French ladder
dredges Nos. 1
f the pipe-line
and 5, and five
hydraulic fill in the dam,
was overhauled and laid up in Gatun Lake
was of a sufficient depth
for it to begin
, the other dredges operated
5 miles of the channel, removing therefrom during the year 5,730,379
cubic yards of
753,029 cubic yards of rock, at an average
cost of $0.2093 per cubic yard.
be removed from the prism 1,837,000 cubic yards of earth and 99,600
680,176 cubic yards were dumped in
water, making a
total to date furnished by the dredges for this pur-
pose of 1,810,108 cubic yards.
Of this amount,
were dumped within the breakwater section proper.
In the removal
of rock from the channel
the drill boat Terrier drilled 43,062
feet in the prism, breaking a total of 394,526 cubic yards of material.
At the end of the fiscal year 40 feet of water could be carried through
approximately the first mile and a half of the channel, 35 feet through
amounted to 2,084,000 cubic yards.
to work in
the channel and in
the excavation for the
wing walls and north
locks already re-
, of the dry
dock at the
locality, of the mouth of the
proach channel to the new
docks at Cristobal
665,018 cubic yards of
earth were removed at an average cost of $0.0614 per cubic yard, and
between Piers 16 and
on the new terminals 155,693
at an average cost of $0.3089 per cubic yard.
also drilled 4,511 feet at the site of the permanent bridge across the
Ah Paifl tnnce of the canal
dredge Culebra, 5-yard
there were employed the sea-
dipper dredge Cardenas, four
French ladder dredges, the seagoing ladder dredge Corozal, and one
pipe- ie suction
fr from the Atlantic end when it had completed its work on the
hydraulic f1l for the Gatun Dam.
It was dismantled, the hull cut in
section and moved over by railroad to Balboa,
was put in com mission
was3b in commlJl wIissi-on
of the year it was employed
dredging material from
the site of the proposed inner harbor and terminal basin at Balboa.
The total amount removed from
prism during the year
aggregated 4,321,956 cubic yards, of which 1,047,929 cubic yards were
rok. The average cost during the year was $0.3238 per cubic yard.
At the close of the fiscal year there remained to be removed from the
Of the total amount of rock removed from
broken by the
The remainder includes
rock which had
by the dredges without drilling and blasting.
dredging outside of the canal
342 cubic yards, of which
3,695 cubic yards were of rock.
auxiliary work, 1,453,647
cubic yards of earth and 3,695 cubic yards
of rock were removed from the inner harbor and terminal basin site.
At the close of the year there remained to be removed from the inner
harbor and terminal basin, 6,363,240 cubic yards of earth and 372,062
cubic yards of rock.
The clearing of this site extended over an area
of 1,050,988 square feet and consisted of cutting brush and trees and
claimed by hydraulic filling.
During the year, 445,658 cubic yards of sand, bucket measurement,
were procured from Cham6 by dredging and transferred to the sand
bins at Balboa at a cost of $0.5378 per cubic yard in
this amount, 435 758 cubic yards were transferred to
a^^ :^ .A- aH -Jf -~ j^ - ... _.-. -^
and after reerection
the stock piles
i two suction
Cut as soon
permit of their passage and the depth of water is sufficient, with a view
attacking Cucaracha slide.
dredges will remove the
assisted by relay pumps located on the 95-foot level on the
will discharge into the Rio Grande
Anticipating the necessity for completing the Cut by
dredges of the
to be equipped
buckets or dippers
for dredging soft material and
and January :
, ready for shipment to the Isthmus, December
To serve these dredges six dump scows of 1,000
cubic yards capacity were contracted for under date of June 13, 1913;
two of these scows are to be delivered on or before December 12, 1913,
on or before
before March 13
For further details attention
terminal facilities, meteorological
of the mechani-
, and of expenditures and allotment
for the work.
charge of Mr. H.
the chief engineer.
States Navy, as assistant
The act approved August 28,
1902, authorizing the construction of
commodious harbors at the termini of said canal as shall be necessary
for the safe and
The estimate of the cost
thing for such
y be cl
heretofore by the
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not include any-
I T \
Railroad or otherwise; dry docks, repair shops, yards, docks, wharves,
warehouses, storehouses, and other necessary facilities for the purpose
for vessels of the Government of the United States and, incidentally,
for supplying such
sndry oii act approved August 24,1912, made the necessary appro-
priations for the work.
While, in anticipation of favorable action by
Congress, some preliminary work was undertaken, active operations
could not be begun until last fall; consequently the terminal facilities
can not be completed by the time the canal is ready for passing vessels.
The Pe ficl terminals,
which are being constructed by the commis-
will consist of a main
capable of docking any vessel
that can utilize the lo ks, a smaller dry
dock for the use of smaller
craft, a plant for supplying coal and fuel oil to vessels, the necessary
rharves and piers for commercial purposes, and the permanent shops
for use in connection with the dry docks.
The Atlantic terminals consist of wharves and
including the Cristobal mole,
piers at Cristobal,
all of which are being constructed by
supplying coal and fuel
to vessels; the cost of the coaling plant
drawings showing the layout of these terminals will be found in the
annual report for
As already noted, the larger dry dock will be able to dock a vessel
1,00 feet long and
depth of water over the top of the blocks at mean sea level
feet, at mean high
and at mean low water 29.8
This dock will rest on rock and for a considerable portion of
its depth will be in solid rock.
The general design of the dry docks
and operated in the same manner, will forp the closure to the dock,
for the floating
will be constructed for general canal use.
The dock will be flooded
by means of longitudinal ducts in the side walls communicating with
�L - 2f -. .� L.H -. .A 1- 11 ". nn itS "1 .2 :s n n *i -~ iL LI a a1 a T J r~L L . t4
provided entirely around the dock.
All necessary capstans and bol-
be installed and a pipe tunnel,
with suitable outlets,
be constructed around the dock.
Stairways leading to the floor will
be built on each side at the entrance, on each side at the head, and at
points along the length
of each side wall.
At the intermediate
points arrangements will be made
into the dock. A contract was ent
by which material
red into October 22
green heart bearing pieces, rather than
provided for lock gates.
with the metal bearing pieces
This change was adopted in the interest of
increased water-tightness, as the dock will stand dry for the greater
of the time, and the amount of metal
to the action
The smaller dry dock will have sufficient length to dock a ship 350
feet long, a
width at entrance of 71 feet,
with a depth of water over
the top of the keel
mean high water of
blocks at mean sea level
of 16 feet
10 inches, at
feet 4 inches, and at mean low water of 11 feet
dock will be founded on rock
of gravity section.
, but the greater part of its walls will be
The dock will be closed by a floating steel caisson
bearing against granite sills when in place.
The method of flooding
will be similar to that for the larger dock and the flow of water will
For emptying the dock the
larger dock will be
Access to the
floor of the dock
will be by means of four stairways, two at the entrance and two at the
It will be provided with the same accessories as the larger
consist of a quay wall
1,238 feet long between the head of Slip No. 1 and the northeast end
of the new Panama Railroad concrete dock, and 1 pier 1,000 feet long
- -- - . a . S -
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IP9u-~s 1u i- (J1NGINEERt
cavatedto 45 feet below mean tide.
The elevation of Pier No. 1 and
the adjoining wharves at the head of the slips has been placed at 16
fat B inches.
T he . el of the quay wall adjoining the Panama Rail-
road D k has been fixed at elevation 17, the same level as the Panama
The coaling station on the Pacific side will be adjacent to the site
of the dry dock and will be capable of handling and storing 100,000
storage willbe provided for 50,000 ton
Specifications were issued
for the coal-handling plants at the two terminals and proposals asked
for plants in accordance with the general specifications.
are to be delivered and
by the contractor,
structure and all other work in connection therewith to be performed
by the commission
with its own forces.
Bids were opened on June
machinery will be prepared for the substructure.
The specified rate
for unloading coal from vessels into the storage piles has been fixed
at 250 tons per hour for e ch machine, and the desire is to unload two
vessels at one time at the Atlantic plant, with two unloading machines
to each vessel, and one vessel at the Pacific plant with two machines.
The reloading capacity-that is, transferring coal from storage into
collier or barge-has been fixed, after consideration of the reloading
rate of 500 tons per hour for each machine.
It is proposed to equip
the Atlantic plant so thattwo vessels can be loaded at one time,
two machines serving each vessel, and on the Pacific side so that one
vessel can be loaded
The main machine shops were located at Gorgona,
flooded by the lake as the waters rise.
The shops at Balboa and Cris-
tohal, in connection with the shipways and dry docks at these locali-
adequate for the maintenance and repair of the
facilities to any vessel that could use the locks, as well as to the Navy,
the construction of new
shops near the dry docks became necessary.
The permanent shops proper will consist of 18 buildings for the ma-
chine, erecting, and tool shops; forge shop; steel storage shed; boiler
nun hitnfittn Ar * (hTInn rnnaal Qthnrahncim Tninst chnmn. rnQ Qcr * nlaln
the old town.
The Panama Railroad yard was aban-
doned after a new yard
porary use. Considerab
track facilities were
provided for ternm-
was experienced in
because of the interests of
not be interrupted.
To provide room around the head of the location
dock for tracks and a
the northwest slope of Sosa Hill
cubic yards of rock and
cubic yards of
or a total
366,411 cubic yards being excavated.
The total quantity excavated in
preparing the site
cubic yards at a cost of
The greater part of this material
was used to fill in the
adjacent swamp to bring the area up to the adopted grade,
of the rock was furnished the Atlantic division for paving the south
slope of Gatun Dam.
The original surface elevation of the dry-dock
the deepest general
12 feet below
on the coaling-plant site at the southwest
end of the excavation.
From this site
203,699 cubic yards of material
were removed, at an average cost of $0.8461
per cubic yard, of which
56,900 cubic yards were rock.
for the smaller dry
at present occupied by the shipways and shops of the dredging divi-
floating equipment are available elsewhere.
To protect the entrance
of the main dry dock and the entire area to be occupied by the smaller
dock, and to enable the removal in
of as much rock as pos-
of the coaling-plant quay wall and
various works was
on April 1,
complete it will
be about 1,000 feet in length.
For the construction of the quay walls and pier the rock is found
at an average elevation of 60 feet below mean tide,
in some cases be-
ing as high as 33 feet and in others as low as 66 feet below this level.
which the concrete cylinders are to be sunk is a fine, sticky,
- - -~ - a a
fUAND CHeF ENGINEER.
iron and concrete weights in conjunction with the water jet.
rock they were filled with concrete.
They are to be capped by reen-
which the quay walls and pier are to be constructed was inclosed by
begun in July
year, of the
2,500 feet of cylinders that
will be required
to complete the
main quay wall, 289 feet for the walls at the head of Slips 1 and 2,
The cost of these cylinders in
During the year the greater portion of the area to be occupied by
ip to grade
natural surface of the ground
was not sufficiently stable to hold
the buildings, so it was found necessary to reach rock for the founda-
it where sufficiently near the surface,
driving piles to the rock,
which in places was as low as 56 feet below
Near the water front it was necessary to use 4-foot steel
During the year the number of piles driven was 3,750 at an average
cost of $0.4820 per linear foot,
cubic yards of concrete at a
cost of $9.2091 per cubic yard were placed in the footings and in the
angles to the length of the main shop buildings, is under construction
for carrying and making accessible all pipe and cable conduits.
main trunk will have a clear height of 6
feet and a.
width of 4 feet
feet 6 inches.
The tunnel will contain all power, light, telephone, and
mains, and the main sewer.
water will be carri
For its construction a steam shovel mounted
ed off the area
__J dfk J �-*L
necessary for these and for the floor of the building was complete
during the year.
A little more than 25 miles of track were laid during the year, of
use of the
3,300 feet long.
supplemental order was given
on January 25, 1913, for the steel for
toilet buildings and
rolling of the steel
the first shipment left
more on March 30.
On June 30 the status of the work was about as
been rolled in
finished in shops, 56.5 per cent shipped to tidewater, and 43 per cent
shipped to the Isthmus.
A contract was made October 24, 1912, for 6,500 squares of reen-
as sand and cement, and facilities, such as suitable buildings, power,
All tile is being manufactured on the Isthmus, at Paraiso.
The contract required all plant to be on the Isthmus by
the completion of manufacture by
June 25, 1913.
close of the year 49.12 per cent had been manufactured
cent had been laid.
For the Atlantic terminals the quay wall and
one pier were prac-
material purchased for the steel work for the sheds, and a subsequent
by the dredging division
on drilling and
blasting preparatory to dredging alongside the proposed coaling pier.
permanent shops the
reduce to a minimum the cost of repairs and renewals,
---------------------------- - Li - f k- 21I :-- __ L. l - Eat a^:- *q L - a i jk a - j43 Hf.a..4a J at 4! aL .- hN Ia j-h C i a. *-
he foot of
-frM 0 *RIf:AN
AND OHIEP ENGINEER.
will be employed.
Buildings which require it will be closed in
with wails of hollow terra-cotta tile, plastered
with cement mortar;
as the main metal
which d tnot require to be closed in
will be surrounded
with a con-
metal shutters or louvers as protection against wind and rain.
pattern shop and storehouse will have a second floor consisting of a
resting on steel
The lumber shed and steel-storage
fet floors surfaced with cinders, sand, or gravel.
In the main shops
the floor will consist of a concrete base covered with 3Si-inch creosoted
The selection and location of equipment in the different shops was
greater number of the
tools for the permanent shops will be taken from the
While many of them have seen hard service and are
less efficient than those of recent design, it is considered
to install an11 d use them
the character and
of work to
so as to
enable the types and sizes of machines best adapted to the work to be
transmission line to a substation adjacent to
Dock No. 1, where the voltage will be reduced to 2,200 volts for dis-
tribution. The shops have been arranged in four groups as regards
electric distribution and bach group provided with transformers and
switchboards for reducing the voltage.
All power used in the plant
be 3-phase, 25-cycle, 220-volt,
except 220-volt direct current in
the machine shop for variable-speed tools.
of requirements that will
of the canal, investigations and inspections were
ing the past two years of the principal floating cranes in the
States and Canada, as well as abroad,
with a view to determining the
clusion was reached that two floating cranes of the largest size would
harbor tugs in use on the Atlantic coast of the
United States and in
Arrangements were made at the close of the past year for the prep-
aration of plans and specifications for suitable tugs for the purpose.
loading space for the handling of their coal in supplying vessels that
will use the canal.
No authority exists for leasing any land or land
under water in the Canal Zone, except the act of February 27, 1909,
which provides for the leasing of land for agricultural purposes only.
of the coal
stored here for the use of the Navy in maintaining uniform prices of
companies in the business of furnishing coal to vessels which use the
, the policy has been adopted of providing storage in connection
for the coal
piles of individuals
certain rental charge for the areas and
in addition, a real estate tax
per cent of the
value of the improvements, should any be made,
and a merchandise tax of 5 cents for each 2,000 pounds of coal sold.
The Government will do all the handling and charges for putting the
coal into storage and taking it out, charges for the use of coal barges,
with reference to oil.
be fixed at cost
It is proposed to equip the
of the coaling station at the
13 and 14 at Mount Hope on
Pacific terminus and
the Atlantic side
delivery mains in
the necessary pumps,
so that the Government will be able to handle satisfactorily
oil, including fuel oil of individuals and companies who may wish to
participate in the fuel-oil business on the Isthmus, on the same gen-
eral terms as those applying to the coal business.
contract was entered into
, 1912, for four storage
iA1 ia ma4ir
.... ... . .
iV" - ...- ^-: _ --: ___ . - __. ~~: ___ � -, __ _ -: - *-,-* . *w:i- W kj IIrl~tBiU ~ H t W -h�- M:l.lc- 1 ** < - ^f B *^
AND OHTit ENGINEER.
equipped with standard and 11
with automatic ramin gauges.
ration stations were maintained at Ancon, Rio Grande,
Duplicate automatic tide registers
maximumrn and minimum temperatures were recorded
Regular gauging work was discontinued
smaller streams at the end of the year 1912, the work being interfered
with by ba ckwater from
The most important hydrological change during the year was the
rig, of Gatun Lake.
stage of the water fluctuated, as regulated at the spillway, reaching
From studies made it appears that the lake basin is subject to
Chagres River and its tributaries show the calendar year, 1912, to be
second in order of dryness since American
largest freshet since December,
occupation in 1904.
on November 28
when there was a rise of 19.6 feet at
Vigia and of 12.3 feet
at Alhajuela, the discharge at the latter point being 54,000 cubic feet
highest temperatures recorded in April-97�
at Culebra-established new
F. at Ancon a
nd 96� F.
November was the coolest month at all stations, the minimum
rpcorded being 65�
The rainfall du
F. at Culebra.
immediately along the Pacific coast, although generally heavier than
the annual rainfall for
The heaviest precipitation
inches, at Porto
Bello, and the minimum rainfall
There was a notable excess in
wind movement during
Mrik ft a
-1 .. . -
-W s- a
dlPT 0 TT
1 E' 0 i
nfl a nfl - A
a tTowe dhw Tra 8t 8 .
farm, Darien Radio Station reservation for the Navy
apartment, Chagres River from Gamboa to the Zone boundaryto locate
gravel banks, and the area in
the vicinity of Mount
for oil storage.
the Canal Zone
The boundary line between the city
out and monuments
of Panama and
100 meters was found in the recorded distance between triangulation
stations Gamboa and Obispo, the recorded distance being 1,093.34 and
the correct distance
Considerable survey work was
also done for the department of law and the joint land commission.
Further details concerning the work of the second division will be
found in Appendix F.
by the mechanical
elsewhere on the Isthmus, will be found in report of Lieut. Col.
Dickson, United States Army, forming Appendix G.
CONSTRUCTION OF THE NEW PANAMA RAILROAD.
completed on May 25, 1912,
the portion of the line
over to t
during the year
of riprapping the slopes of the embankments through
Gatun Lake section,
building a lift span
of the bascule type
automatic signals throughout the
work was in
Material from Culebra Cutwas utilized during the year in strength-
ening the embankments near mile posts 20, 21, and 24, and also the
used for the purpose was 257,831 cubic yards.
The bridge across the Gatun River at Monte Lirio consists of the
three plate-girder spans formerly used on the old line of the railroad
103-foot plate girder,
was converted into a lift span by the addition
signals placed between Pedro Miguel and Cooz were moved
when it became necessary to use the nw hine ofthe railroad for the
dirt trains to enule the c ing
of the old line
construction of the Miraflores spilwy.
For further details, attetion is invited to Appendix H.
$1 000,000 was made for the gun and mortar batteries for the defense
of the canal against naval attack making the total 'a
for the completion
- - l.'
--r. r-- r- - ,ww ^,-
Work was continued during the year on the gun and mortar bat-
to completion and arrangements made
appointed for the pur-
pose and approved by the Secretary of War.
During the year 416,542.5 cubic yards of excavation, at an average
cost of $0.9225
per cubic yard,
131,952.8 cubic yards af
cost of $7.0670 per
93,808 linear feet of piling, at a cost of $0.4311 per linear foot,
driven; and 100,957 cubic yards of filling, at a cost of $0.172
were done by one of the dredges.
The amount expended
Thework was in charge of Lieut. George R. Goethals, United
Army, assisted by Lieut. A. LH. Aeher,
1. M. Elder and Mr. H. P. Warre
United States Army, and Mr.
the -me thods of cost keeping
continued throughout the year.
In addition to thoereported a year
aUo. cost accounts were initiated for theernetion 1f rmnent hid-
� --row V
These projects, as well as the construction of the dock at
Cristobal and of the new
Washington Hotel at Colon, are in charge
of the Panama Railroad Co., and their costs are not included in this
to the work, an arbitrary to absorb
the cost of the
The general expenses of the commission are prorated to the different
parts of the work and must be added to the division costs in order to
expenses, the costs reported are the division costs, except where noted
in supervising and
verifying the statements of costs
1 that for the reorganized
divisions of the
have greatly increased in
past year, the expense of securing this data has decreased from about
$3,600 per month to $3,000 per month.
tinues to carry the
1907 but little work was done except in this division, so that all
overhead charges were properly added to it.
by steam shovels in
shows an in-
cost over last year of $0.0410, the
being in the cost of repairs to equipment-$0.0297.
In the Atlantic division the costs for dredging in
lower this year than last,
by pipe-line suction
the Pacific division
was higher than last year,
due to the larger ratio of rock excavation
which is attended
with additional expense
because of the great tidal
*& _* W tA-tEA JUt t* L 7..J tttb . tjAI tIE t' .J.L AJ. flE-- mA&_f . taa - tt tJ*,_� ,*a* .'^A.. NJ ~t * *Y*...l.-i -- ^r,^- *** -- %k^RJ -^ " WV-i - w- - - --
There Was a t0t l of 771,907 cubic yards of masonry laid in the
locks and spillwaysduring the year, as against 1,443,570 cubic yards
lo and sp*** ^*illways lil ^ *"W^
during the p
is inclusive of masonry
laid by the
Lo , $7.t274; -atn spillway, $8.1227; Gatun power house, $8.5739;
Pedro Miguel Damr, $5.0240; Pedro Miguel Locks, $7.5976; Miraflores
at Dm, $4.8880; Mirafliores aspillway, $5.8497;
Mirafl ores Locks,
projet4 except Gatun Locks,
quantities of concrete
laid and to the use of a larger ratio of auxiliary mixers.
Loks plain concrete shows a decrease of $0.5934,
coat of sand
arbitrary for plant, the decrease in the cost of sand and stone being
due to readjustment of
ment of the stock piles having shown more stone in storage than
the books), and
to securing sand from
Gatun instead of from Nombre de Dies.
the borrow pit at
At Miraflores Locks plain
concrete shows an increase of $0.4406 per cubic yard, principally in
I I*A ^r //^1mg* " _
concrete are due to the different classes of reenforced
concrete laid during the two years.
The dam at Gatun
was increased by
cubic yards of dry
at a division
yard of hydraulic fill at d division
cost of $0.2654
per cubic yard.
At the close of the year there were in place at Gatun Dam 11,578,268
10,124,089 cubic yards of hydraulic fill at a cost of $0.2933 per cubic
no filling for
was secured from
Toro Point; 183,762 cubic yards of large rock se-
cured from Porto Bello quarry were placed in the breakwater at an
average division cost of $4.8250 per cubic yard.
This yardage is the
volume of rock in
65,138 cubic yards
rock were placed in the breakwater at a division cost of $4.3064 per
^flit * A- - -JK a^.AW Jietm a. aWMW I ni aVW nh i�|i|- Sff a~ Zn^^ -k-� ~ .aJi Ctf .. AtS� W ~ 1^ -if nL - -. a
= � ,=
sand at an average cost of $0.7111 per cubic yard delivered in stowage.
To the end of the fiscal year there has been secured from this soure
1.741,196 cubic yards of sand at an average cost of $0.7666 per cubic
From the pit at Nombre de Dies on the Atlantic side,
was opened in March, 1909, anrd closed in November, 1911, there was
per cubic yard
delivered in storage.
an average division
During the year there
was secured from the borrow pit near Gatun dam 43,851 cubic yards
of sand at an average cost of $0.5188 per cubic yard.
To the close of the year the following amounts had been expended:
caissons at Gatun, $73,732.22;
spillway gate machines and their erection, at Gatun,
On lock gates and
tion, at Gatun
at Pedro Miguel, $1,373,537.13; at Mira-
On fender chains, at Gatun, $3,886.95; at Pedro
including towing-track system,
of machines, etc., at Gatun
at Miraflores, $1,561,817.40.
For the towing-
track system the following number of linear feet of return track were
laid by the construction divisions at the various locks
4,33, average division
Miraflores, 5,925, average division cost $2.5637
1,082, average division
cost $0.6085 per
The number of
linear feet of track,
with rack installed by the first division, and the
average cost per linear foot were: At Gatun,
21,000, average division
at Miraflores, 14,137
the erection of
operating machinery, installa-
, 36,710 cubic
a .* a. I 1 *
, "at It - r L 1 W .... n^ _4_1__" . . .. !11 _�
harbor at t
per cubic yard. F
145,478 cubic yards
in: p eparation
71,814 ti yar
b the main dry
of material, and
dock there had
for the coaling sta-
tion 58,221 cubic yards, at an average cost of $0.8461 per cubic yard.
In preparing the foundations for the shops 29,684 cubic yards of ma-
trial had been removed at an average cost of $1.5607
per cubic yard;
7,787 cubic yards of
spa60 percubic yia
conrete had been
d; 135,42 linear
limna feet of concrete piles had
placed at an average cost of
feet of wood piles and 3,060
at an average
linear feet of
vege, including excavation, of $18.4708 per linear foot.
The had been expended in the preparation
In the preparation of foundations for the administration
rnenge cofit of $0.5654
per cubic yard, and
770 cubic yards of con-
rete had been laid in the foundations at an average cost of $12.8646
per cubi yard.
during the fiscal
bui for salary
saving in clerical and supervisory forces of about $185,000.
o father details concerning the cost of the various parts of the
wirh.and the performance of
vited to Appendix I.
furnishin, and assignment of quarters;
Ssumniies. and distilled water; construe
~tJ -- - I
action and re-
pair all buildings; requisitioning for supplies of all kinds, together
wthe receipt and distribution of them on arrival; cutting of grass
and disposal of night soil and garbage as prescribed by the sanitary
dw wtment; and the auditing.. of all
the Panama Railroad and 5,644 on
on the lock
the pay rolls of the
tuated between 34,957
on June 30, 1912, to the maximum on the date
There was a decided decrease .in immigration to the Isthmus as com-
ployees on the rolls of the commission during the year was 4,340 and
on the rolls of the Panama Railroad 870, or a
ing the same period there were 2,495 separations from the service of
cent of the gold force was changed.
This is a decrease of 121 from the total
of the preceding year.
when this locality ceased to be used as a source of sand supply,
, and Naos Island, and the destruction was necessary
or on account
were small and of no
during the year was
at any previous
only two cost over $2,000.
The additions as a
rule were chargeable
to the Hotel Tivoli.
to the slides at Culebra and the necessity
of transferring buildings from Gorgona and old Balboa,
the work of
ings were taken down in sections and reconstructed in new locations.
The cost of the completed work amounted to $142,000, not including
buildings in the course of reconstruction on June 30, 1913, on
'I, . �r S V 'LJ L4Ja�. ts %4a w 0 - %i V 'W - - .w- - -, - - - - - - - - -- - -' a
value to the original investment, as all unsound lumber was replaced,
connections put in,
practically the same
*Of these, 9,173 were in gold quarters,
as during the
4,295 were in
90 per cent of the American and European employees occupy
mission quarters, but less than 25 per cent of the
West Indians take
was a difficult one. Because of the opening
there was a congestion, especially in bachelc
to. To meet the conditions it was necessa
large number of house for use as quarters.
up of the terminal work
r quarters, in this teri-
ry to move and reerect a
The demolition of the
In moving Gorgona it was necessary to care for 200 American fami-
lies, 600 American bachelors, and several hundred West Indians who
quarters, and these were provided for at other
This movement began in March and
was almost completed
at the close of the year.
The value of material received from the United States during the
$13,980,071, not including $2,535,860 paid to the McClintic-Marshall
amounting to $2,733,867. -'1
1,00,000 barrels in 1912 to
he consumption of cement decreased from
barrels in 1913; the total
awmption to date amounted to 5,797,910 barrels.
During the year all
and 29,882,968 were returned to the United States; of those returned,
8%75 sacks were rejected, or less than 1 per cent of those returned.
The consumption of lumber was approximately 27,000,000 feet board
measure, about the same as the preceding year, and the total receipts
of uInmber since the inception of the work have been 2381,000,000 feet
a decrease of
hand June 30, 1912.
The actual reduction
was greater than the net
Serease would indicate, as approximately $638,000 worth of material
Under the contract for the sale and removal of the French scrap
1911, 21,780 tons
points along the line sad shipped to the storage yard
price was $215,000.
have elapsed and
tract was entered into with the Chicago
but $13,473. .
accumulate during the fiscal
be made on ship's
the commission has received
f lading as shipped
only $18,571, as but
2.466 tons have been shipped.
The sale of scrap screenings removed
value of $4,693.
Approximately $75,000 were
sale of copper and brass scrap that had accumulated in the operation
of the Gorgona brass foundry.
Besides the regular issues to departments and divisions of the corn-
Railroad a number of sales
private individuals, and companies,
amount aggregating $106,037.77
The value of stock on hand at the
obsolete storehouse on June 30 was $431,916, an
increase of $70,000
over the total on hand at the close of the previous fiscal
stations for bids were issued offering for sale a large amount of mate-
rial in the obsolete storehouse on February 28, 1912; of the 24 classes
advertised awards were made on but 6
as either no bids were received
on the other classes or the bids were below the upset price of the ma-
Under the circular issued on February 1,1913, satisfactory bids
were received on only four of the 27 classes advertised.
these sales demonstrate that this method of sale of the entire equipment
and material is not satisfactory.
Finnrms or contractors desiring ma-
trial buy only when they need it, and their necessities may not coin-
only the scrap dealer or middleman is benefited.
best results would be obtained by placing a fair
It is believed that
upset price on such
and selling it
board of appraisal
was appointed to place values on all articles that
for the purchase of miscellaneous
consisting of gas
and brush cutting,
disposal of night soni ad garbage, continued aq
All grass was cut on request fro1 the sanitary depart-
total amount cut was 7,5 acres, of
at an average cost of $p05
per acre, and 2,534
hp hose mowe,
cast of $1.77
by this sanitary work
approximately 2,980 acres.
taout of the sanitary work done
went amounted to $195,98 .2L
by the quartermaster's depart-
was inadequate to meet the
, and 50 mules were pur*asexbt w cost ot $1,5602 teaching
the Isthmus May 26.
These scarcely replaced the animals which were
condemned or which died during the year.
Six horses and 20 mules
wae5ondqmnd and destroyodandS horses and 4 mules died, a total
ot 35 animals.
Fe father iniomnation opening thf operations of this depart-
ment attention is invited to Appendix J.
snsmThta roEy'R T~ !PflN~tjT.rsn
The subsist nce d partr ent is charged with
Commission hotelh, messes,
On3n O 30, 191, the dpawrtment wn3 opertAting the Hotel Tivoli,
ad 1 coxnmori l lkrers kitchen a decrease of 2 hotels, S
and 2 kitchens from last year: The hotel at Balboa was ci
with the one at
nar the spili wy at Wtun wa dosed arch 31 i nd
the messes at
and Naos Ishland
du rthe year, and one at Bas (ispo opened.
dp ened at Bus Obispo, while thbos at Anco
A new kitchen was
, OBrro, and H*tt
iaflfla nlnanA^ rbi tjrkent yrrvfl4 ftht l"h^n* hntet rt n-
$166,398.65, an increase of $4,391.88
As the result of the year's operations the line hotels and
restaurants showed a loss of $3,837.71, an increase of $8,247.66 over
a profit of $26,845.24,
profit of $6,269.55, a decrease of $4,877.69.
A laundry was installed in the Hotel Tivoli to handle guests' work,
profit of $76,256.55.
For further particulars concerning the operation of the subsistence
department attention is invited to Appendix K.
The duties of the examiner of accounts were outlined in
the annual report of 1909 and continued with but little change dur-
ing the year just ended.
The department is in charge of Mr. H. A.
proved August 23,
1912, a provision
was inserted relative to the ad-
bursing officers shall make only such examination of vouchers as may
be necessary to ascertain whether they represent legal claims against
After discussing the meaning of this provision
issued, effective May
by which the greater part of the
detail check made by the disbursing officer of every voucher, pay roll
carried by the clerks of the disbursing office for such check was trans-
the timekeeping division
by consolidating the work of preparing time and pay rolls for various
. ~. s/ a- V L a& -Kk Wf st'J - a. a %^ a * J i aw ahh a , %^ *�-� - - --^ -i - - - *- ' "- I- �-' --- - --- - <-
new account opened which is designed to provide a more exact record
of material and supplies on hand and issued. The continuance of
method of absorbing plant
distributing plant charges to the amount of $27,550,635.24 to the con-
strution s to June 80, 1913, leaving a balance to be absorbed
on that date of $1,941,488.61.
far as appeared
payments for materials and supplies furnished and services rendered
was adopted during the year. The work involved in the collection of
money due the commission from employees and others was consider-
Under the agreement with the Republic of Panama for reimbusing
United States for expenditures incurred in
construction and maintenance of waterworks, sewers, and pavements
in the cities of Panama and Colon, the total amount expended in the
city of Panama
was $1,626,267.58, and in the city
of Colon $1,550,
080.46, or a total of $3,176,298.04, including accrued interest to date at
At the close of the fiscal year $975,439.71 has been re-
value of water used by the commission in the two cities.
The duty of purchasing and issuing commissary coupon books was
tinued of issuing coupon books to employees of the commission and
making collections therefore by deductions on the pay roll, the
1,863,100 meal tickets were issued, for which collections were made on
were issued and collected on the pay rolls.
The administrative examination of the disbursing officer's accounts
accounts were continued, involving a complete check
provisions of the
act of May 30,
claims for compensation on account of injuries received in the course
of employment were filed during the year, and 41 claims were filed on
account of deaths-a total of 1,850
of these, 1,452 claims for injuries
were allowed and
130 were disallowed
compensation were ii
made as meritorious sick leave
under the act of February 24, 1909
in addition to these
including 25 claims pending from the previous year,
for some one of the following reasons
On account of negligence and
course of employment,
or not employees of the commission;
lack of sufficient evidence to establish connection between the alleged
were disallowed for the reason
6 of them
the claimants were
not considered dependent parents within the meaning of the act, and
in 2 of them death was due to negligence.
Under the act of February
authorizing meritorious sick leave to injured employees for
not exceeding 30 days in any one year, 4,715 cases were allowed.
average duration of disability of cases for which injury compensation
claims were filed
was 58 days,
whereas in meritorious sick leave cases
the average duration was 5 days.
The total amount expended during
the year in settlement of these claims was $224,071.72, making a total
from August 1, 1909,
to June 30, 1913, of $915,824.79.
Congress has appropriated a total of $349,505,223.14 for canal con-
including appropriations contained in
the act of June 23,
Of this amount, $10,676,950 were
for the relief
June 23, 1913,
was appropriated for the construction of the canal and
is a charge against
bond issue of
a balance of $36,394,038.42.
XXX XX XX. .X
*K. XXX X XXX XXX XX
xxyuuK xx .xx *A^.
JLT * " *^ ' |�'
!^ * :
The amount of revenues derived frm entails and taxa-
tion decreased from $259,759. 68 in 1912t 12*M66.88 ir 11i8.
on eC~crase- omlI~ ,p^ . ~7uO 1U1 �-2 .e m^.�Bv0 .MaA
disbursement of Canal Zone revenues increased from $14000 in 1912
to $233,000 in 1913, the increase being principally due to sanitary
work 4n ages end increased expenditure for maintenance of
Canal Zone roads and
For further particulars, attention is invited to
DirtfEn''io SBSB ifC N YES
of this department embraces
burning the necessary funds and the accounting for all moneys paid
out or collected, as well as the issuance of hotel and commissary books
and meal tickets to the
departments of the commission.
was in charge of Mr. E. J.
Williams, disbursing officer.
out by the disbursing
on pay rolls
paid out in settlement of public bills and on reimbursement vouchers.
The value of hotel books, commissary books, and meal tickets issued
For further details
, attention is invited to Appendix M.
DEPARTMENTS Or cvi x4xMINIBTNxATION
of the department ofl
mined substantially as described in former annual reports and con-
charge of Mr.
Thatcher until June
whenhe entered on leave of absence, at the expiration of which his
srvites were terminated by resignation.,
Panuma Oinal and he Canal lone were enseted during the year, the
most t being the Pnaa
1912, providing for the opening, maintenance, protection, and opera-
tion nfthe Panama Canal and the snitatior and government of the
Four ordinances weresenaoted by the Isthmzni
. hi..m-- :- *- a. - e-k -J ^~i,
duties in the cities of Colon and Panama; the reciprocal licensing of
Republic and the Canal Zone; municipal and sanitary improvements
in Colon and Panama
the superior right of the United States under
the treaty to use the rivers and streams of the Republic; the deporta-
tion to the Republic of ex-convicts who have served terms of imprison-
ment in the Canal Zone; the admission of merchandise shipments con-
signed to the commission, the Marine Corps, the Tenth Infantry, and
the wireless stations, without the intervention of Panamanian customs
duties on parcel-post packages coming through the post offices of the
in the Canal Zone and the cities of Colon and Panama; the collection
in the Canal Zone and in the Republic of Panama.
The relations of
the commission with the Republic of Panama and with foreign repre-
During the year the board of local inspectors issued 88 licenses to
19 of which
as joint master-pilot
Under the provisions of the Executipe order of July 21, 1911, certifi-
cates were issued to 94
vessels, of which 18 were over
100 gross tons
One hundred and sixty-two licenses as navigators of motor
boats were granted.
Licenses were also issued to 120 chauffeurs.
Postage sales for the fiscal year amounted to $100,804.38, an increase
over the previous year.
letters and parcels handled,
of which 41
per cent was official matter.
were issued, on which
the fees amounted to $23,347.12.
$3,917,899.30 were made payable without and $965,724.83 within the
limits of the Canal Zone.
the close of the fiscal
on deposit in the postal savings banks a total of $645,690.
a a. -yr A .^r- -T . *q I S -
During the year amou
collected from general
. co. '^
Lted to $4
of this amount, $9,130.55
were for distillation taxes, $43,800 for licenses for the sale of liquor
at retail $1,180.38 for
hi am i the . Una.
vox xxx x x
fees from insurance companies doing
fees from insurance dmpames doing
yer 470 estates were
on June 80,
on count of the administration of estates was $30,124.24.
o reorganization of the division of police and prisons was effected
a eptember 1,1912, as a result of which the authorized strength of
made, of which number 6,079 were males and
June> 30, 1913,
were 133 convicts confined in
were kept at
public roads, and
the value of their work was $26,561.75.
The cost of guarding, sub-
clothing the convicts
the Mandingo River was closed during the year and all convicts were
transferred to a new stockade erected near Gamboa bridge; the pris-
oners will be housed here during the construction of the wagon road
leading from Gamboa to connect with the Panama-Empire Road.
Although no change was made in
division of fire protection,
as compared with the nun
the authorized strength
year; the reduction was
ions fr the department.
a cut in
mentioned in the last annual report, made possible the discontinuance
of the one-man stations at Balboa and Mount Hope, the consolidation
the sale of six fire horses.
eqUipment installed in the
buildings at Gorgona
the abandonment of that settlement and most of it has been installed
the buildings reconstructed at Corozal
220 alarms of fire responded to, 18 of which were false.
Of the 202
1 was in the city
of Panama and
of Colon; 104
f the Panama
value of Government and railroad
were 78 estates inthe course of settlement.
The money handled
there was actually a reduction
ber in service at the close of the previous
Purchase of two automobile fire engines.
throughout the year,
public wo"s re-
the deficiency in
the department's appropriations made it necessary to dispense with
All municipal improvements in the city of Panama
pleted were turned
this division for maintenance.
on that date
quarters of the year in the city of Panama were $81,727.75, and bills
three quarters of the year the water collections exceeded requirements
waterworks, sewers, and
consumers and from the commission and Panama Railroad
amount of bills rendered for the fourth quarter was $24,168.80.
of Colon the Republic of Panama paid $9,675.05 in order to
street systems for the first three quarters of the fiscal
Canal Zone 695 water connections have been made.
From the eight
year a revenue
of the division of schools consisted of 1 superin-
tendent, 1 supervisor of upper grades and high schools, 1 supervisor
of primary grades,
, 2 supervisors of children
high school, 6 principals of grammar schools,
es and ]
close of the fiscal
year 29 school buildings were in use-14 for whites and 15 for blacks.
Medical inspection of all pupils was continued and 1,044 pupils were
The supreme court held 26 ses
decisions of the circuit courts in
sions during the year.
a S A - A * - A. f J
REPORT OF CHAIRMAN AND OTh ENGINEER.
AI 1 - . A 1 ad OKO 1
nigeb ni n g of the
year there were $ , .1
Expenditures for the year totaled $74,868.04.
further particulars concerning the work of this department,
attention is invited to
DEPARTMENT OF LAW.
The department continued in charge of Judge Frank Feuille and
the duties are as outlined in previous annual reports.
In anticipation of the inundation of the Gatun Lake area,
Gorgona and Gatun were cleared of their population; as a result, the
admmstrative district of Gorgona was abolished and its territory
added to the district of Empire for judicial, -administrative, and po-
order also abolished
the office of senior district
duced the number of district judges to 3.
The Panama Canal act, approved August 24, 1912, authorized the
President to declare that all land
under water within
limits of the
tenance, operation, sanitation, and
for the construction
of the Panama
Pursuant to these provisions an Executive order was issued under date
directing that all
within the limits of the Canal Zone be taken possession of on behalf
of land and land under water.
Due to the additional work that was
department by reason
the purpose of representing the
-. " - -- - -* -: al a
ide blMinis m
visions of the treaty, the personnel
of the department was increased
by one clerk and a land inspector during the latter part of the fiscal
As negotiations have been pending between the
for the exchange
Sabanas, lying contiguous to the city
of Panama, in
regardless of the value of the estates, the maximum value previously
fixed being $1,000.
Under existing law, therefore, the estates of de-
ceased or insane employees of the Canal Commission, the Canal Zone
the Panama Railroad
administered by the
of the collector are
the supervision and approval
of the Circuit Court of the
Circuit of the Canal Zone.
that the agents of
file their articles of incorporation
collector of revenues for, the Canal Zone, together with such informa-
the collector of revenues to base a conclusion as
to the solvency of the concern.
In addition to this, foreign corpora-
tions are required to file authorization with the collector of revenues
Zone, and to pay an annual tax of $50.
The order has had a salutary
effect in keeping out undesirable concerns.
On April 15,
1913, maritime quarantine
regulations for the Canal
Republic of Panama
officially and formally opened for use and operation by proclamation
mulgated in advance in order that shipping interests and the travel-
ing public may have information in regard to the quarantine require-
ments of the canal and the Canal Zone.
almost exclusively to the adjustment of land claims, especially those
criminal cases were disposed of in the three circuits; of the
- A -
the charges against 54
were dismissed, and in
- *5 a a *. *
7 cases the
lots and I
, 1913, all
rering 99 1
1 would h
Canal Commission leases for building
Iltll~~ ~~ 1 ECI - ^vl rfryf F 11i iffa P T ^TfIilkItll
yL 1918,ha it notf been for1 the border of c~ancellt~ion.^A
evocable licenses to the number of 312, covering 347 building lots,
For further details concerning this department, attention is invited
to Appendix O.
This department has charge of sanitary work in the cities of Colon
and Panama and of oiling ditches and other water in the Canal Zone.
It designates the remaining sanitary work to be done in
proper performance of the
in charge of
William C. Gorgas,
United States Army, as chief sanitary officer.
The work in the terminal cities consists in cutting grass and brush,
oiling pools, constructing and maintaining ditches for drainage pur-
Toro Point to Colon
these are included in
Panama consisted in cleaning 200 miles of ditches, digging
of ditches, and clearing 114 acres of weeds and grass, in addition to
the same source,
of ditches were maintained, 77
miles of ditches were constructed, and
29 acres were cleared of vegetation, in addition
ing, and fmigating
the cities of Panama and Colon was $510,529.17, of which $62,955.06
was for sanitation
proper in the
On account of the juxtaposition of Cristobal, Mount Hope,
work performed by the construction divisions and the quartermaster's
department was done under the direction of the sanitary department.
of garbage and night soil in the Zone
was done by the
Admissions to hospitals and sick camps during the year, including
employees sick was 19.04 out of every thousand,
1911-12 and 24.77
1910-11-this on the basis that the total num-
during the years mentioned
. of which :
other nationalities, and 389 were blacks.
The total number of deaths
violence among all
In addition, on the recommendation
of the medical
, 183 deportations
49 on account of injuries.
For further details concerning this department attention is invited
to Appendix P.
RECREATION OF EMPLOYEES.
n. and Cr5
Canal Zone, and
about 20 miles down the Atlantic coast.
of the building was reerected
at the rear of the administra-
a cost of
Bowling alleys, pool and billiard tables, soda fountain, bar-
ber shop, and a reading room
thus provided in
Entertainments were given
in the second story
of the school-
given month was 2,127
The total expenditures fr
the largest since organization.
om commission funds for the support of
these #clubhouses aggregated $49,925.96.
- a - - a a -
4l^ J ^^*<'' ' '* *** * '*~ti <*< *
employment for duty
of laborer, 1,183 accepted and
on the Isthmus in grades above that
were ap intd, covering 59 different
^Te total anmount of purchase orders placed for the fiscal year was
aichlnery for their operation,
tracks, $548 T39 2.7;
15-yard dipper dredges, 6,310,000 pounds of dynamite, and 23,505,695
A supplemental contract was entered into September
13, 1912, covering the additional quantity of cement necessary to cornm-
For further details, attention is invited to Appendix R.
Since the submission of the last annual report the concrete work of
the locks has been completed, and but for slides which developed ex-
cavation in the central division would also have been finished.
of the canal
by the close
fiscal year was predicated on the completion of the lock gates by the
gates has been
rg up all work on one flight throughout by October
on the installation of the operating machinery was concentrated so as
to meet this condition of the lock gates, and it is believed
flight of locks throughout will be ready for operation October 1, 1913,
fender chains and
the control houses,
rent from existing power plants will be usable until the completion
50, July 1,
with an average rainy season the lake should reach eleva-
tion 85 by December 1, 1913.
The rainfall during the month of May
* -- - t ^** '* IU *-W -. - W
hydroelectric station, $72,540.34;
by steam shovels during the wet season, but lends itself to economical
channel by the slides is to full
depth and of a
width of at least 200
Assuming that all
lake could not
above elevation 60 and still be kept out of the Cut by the dike at Gam-
, so that after the advent of the dry season it would not be
under normal conditions
to secure full lake level until
the slides can
by the two 15-yard dipper dredges under contract.
They will operate
be excavating for the
The sea level sections by the time the dredges can
be moved into the Cut will
for the passage of ships
of the heaviest draft.
that the effect of the
to retard slides and
the experience below the Gatun
sustaining power of water against slides
water flows quite rapidly
in consequence of
lake might leak
if the official
opening of the canal
is to occur
; for if water were not admitted this fall but were deferred until
1, 1914, the full height could not be reached until October, 1914,
for the determination
to the conclusion
Cut at the earliest date
the water should be turned
for getting the dredges
on the slides.
through into the Cut
- - .. ., I. EU I I I U J I.
AND CHIEF ENGINElrER.
that the water will be turned into the Cut October
10, as it seems to
have been assumed that the canal will be practically finished on that
Before boats can be passed it will be necessary to remove
the date when this will be accomplished.
The following appendixes are herewith:
Report of the geologist, Appendix S.
Increase in salaries and increase in numbers of employees, submitted in com-
pliance with law, Appendix T.
Laws affecting the canal recently enacted, and executive orders issued during#
the fiscal year, Appendix U.
The organization in effect July
1, 1913, Appendix
Colonel, Corps of
Engineers, United States Army,
Chairman and Chief
The Hon. LINDLEY M. GARRISON,
Secretary of War,