Isthmian Canal Commission (U.S.).

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1. For the purpose of standardizing shop practices
and methods, securing uniformity in the performance
of work, disseminating useful information, and dis-
cussing shop methods and mechanical work, a
Mechanical Committee is appointed, with the following

The Inspector of Shops.

The Superintendent of the Mechanical Division.

The Superintendent of steamshovel repairs.

The Superintendent of dredging, Balboa shops.

The Master Mechanic, Cristobal Dry Dock shops.

The Master Mechanic. Porto Bello shop.

The General Foreman, car department, Panama

The General Foreman, locomotive department,
Gorgona shops.

The General Foreman, car and foundry depart-
ment, Gorgona shops.

The General Foreman. Las Cascadas engine house.

The General Foreman, Pedro Miguel engine house.

The General Foreman, Gatun shops.

The Foreman, Toro Point shop.

The Day Foreman. Cristobal roundhouse, Panama

2. Regular meetings will be held on the last Monday
in each month (or the following day if Monday is a
holiday) at 7.45 a. m. Meetings will be held usua-ly,
and in the absence of notice to the contrary, at the
Gorgona shops. They may be held at other shops
whenever so desired by the committee. Other persons
may attend meetings on invitation, and the attendance
of any foremen and other employes may be requested
whenever desired by the committee. A permanent
record shall be kept of the proceedings of the committee,
so far as is considered necessary, and duplicate copies
of the record of each meeting will be forwarded to this
office. The Inspector of Shops will preside at meetings,
and he may call special meetings whenever necessary.
The first meeting of this committee will be held on
Monday, April 30, at Gorgona shops.

Geo. W. Goethals,
Chairman, Isthmian Canal Commission.
President, Panama Railroad Company.

Repairs to Locomotive Flues.

Culebra, C. Z.. April lo. 1911.
Circular No. 385:

The following rules will be strictly adhered to in the
maintenance of repairs of flues of all American locomo-
tive boilers and of all locomotive type boilers on steam-
shovels and in stationary plants of both the Isthmian
Canal Commission and the Panama Railroad Company:

1. The use of plugs in flues of locomotive type boilers
should be avoided whenever practicable. In any case,
not more than two plugs will be allowed in any one sheet
for more than 12 hours. If the requirements of the
service and the condition of the boiler lequire the use
of more than two plugs for more than 12 consecutive
hours, a report on the condition of the boiler and the
necessity for continuing it in service should be made
promptly to the head of the division or department
having jurisdiction ovet it. One copy of each report
on the boiler of a locomotive will be sent to the traveling
engineer, one copy of each report on the boiler of a
steamshovel will be sent to tne superintendent of
steamshovel repairs, and one copy of each report on
a locomotive type boiler in a stationary plant will be
sent to the boiler inspector.

2. The use of rolls in fire boxes of boilers on American
locomotives, steamshovels and of locomotive type
boilers in stationary plants is prohibited, except in case
of emergency, which will be reported promptly to the
head of division or department.

3. All beading tools will be made in accordance with
standard gauge; and no tools will be permitted to be
used after thay are worn out of gauge. All standard
gauges will be made and furnished by Gorgona shops.
The foreman in charge of the working of flues of loco-
motive type boilers shall obtain standard gauges and
see that no beading tools are used which do not conform
to the standard gauge. Standard beading tools will
be obtained from Gorgona shops. Old beading tools
should be returned to Gorgona shops for repair.

Geo. W. Goethals,
Chairman, Isthmian Canal Commission.
President, Panama Railroad Company.

Acting Subsistence Officer.

Culebra, C. Z., April 20, 1911.
Circular No. 386:

During the absence from the Isthmus of Major E.
T. Wilson. Subsistence Officer, Isthmian Canal Com-
mission, all his duties in connection with the Subsis-
tence Department, Isthmian Canal Commission, and

the Commissary Department, Panama Railroad Com-
pany, will be performed by Lieutenant F. O. Whitlock,
Assistant Subsistence Officer, Isthmian Canal Commis-
sion. Geo. W. Goethals,

Chairman, Isthmian Canal Commission.
President, Panama Railroad Company.


Classified Expenditure Accounts.

Empire, C. Z., April 15, 1911.
Circular No. 30:

The following classified expenditure accounts are
authorized :


328. Masonry.

A. Construction Work.

To this account will be charged a proper proportion
of thesalariesand expense of the supervising force of the
division, and the salaries and expenses of all officers
and employes while engaged directly in the construction
of masonry work within the prism of the Canal for re-
inforcing the sides, or of auxiliary masonry work out-
side the prism of the Canal such as diversion flumes;
also all material and supplies used and expenses incurred
and the repair of equipment used in the work.

B. Plant.

This account will be opened with a charge of the
value of plant heretofore purchased for, or used by this
division in the work of masonry construction and of
plant hereafter purchased or used therein; also to be
charged with plant transferred from other divisions and
credited with plant transferred from this division.

General Items.
424. Lighting and Buoying the Canal,

To this account will be charged all labor, material
and other expenses incidental to the lighting and buoying
of the Canal including the construction of buoys,
beacons and lighthouses. W. W. Warwick.

Examiner of Accounts.
Approved: Geo. W. Goethals,

Chairman and Chief Engineer.

pay car

New Schedule for Pay Car.

The monthly schedule of the I. C. C.
effective May, 1911, follows:


Leave Empire at 7 a. m.

Balboa dumps, 8 to 8 30 a. m.
Ancon crusher, 8.45 to 9 a. m.
Corozal. 9. 15 to 9.30 a. m.
Miraflores dump, 9.45 to 10.15 a.m.
Miraflores power house, 10.20 to 10.30 a. m.
Pedro Miguel, 10.45 a. m. to 12 noon.
Miraflores Locks, 12.15 to 2.30 p. m.
Mt. Zion pump station, 3 to 3.05 p. m.
Culebra station, 3.15 to 3.45 p. m.
Lirio, 3.50 to 4 p. m.
Empire, 4.05 p. m.


Leave Empire at 7 a. m.

Through Canal, Bridge S7j to Las Cascadas, 7.45

to 10.45 a. m.
Las Cascadas, 11a. m. to 12.15 p. m.
Bas Obispo, 12.20 to 12.30 p. m.
Gorgona and Gorgona shops, 12.45 to' 2 p. m.
Matachin, 2.15 to 2.30 p. m.

Through Cut, Matachin to Las Cascadas, 2.30
to 3.30 p. m.


Leave Empire at 5.30 a. m.

Gatun, 6.45 a. m. to t.30 p. m.
Bohio, 2 to 2.15 p. m.
Frijoles, 2.25 to 2.30 p. m.
Tabernilla, 2 40 to 3 p. m.

Over relocation, Barbacoas to Gainboa. 3 to
4.30 p.m.

Gamboa yard, 4.30 to 4.40 p. m.
When one of the above days falls on Sunday or
holiday, payments will be made the same as for a week
day; but stops made only at points along the main line
of the P. R. R. except on notice from divisions to go to
certain points where they may have men at work.
Edward J. Williams,

Disbursing Officer.
Approved : Geo. W. Goethals,

Chairman and Chief Engineer.

Local Auditor, P. R. R.

Panama Railroad Company.
Office of General Superintendent,

Colon, R. P., April 20, 1911.
Circular No. 135:

Effective at once, Mr. R. W. Hart is appointed Local
Auditor of the Panama Railroad Company, with head-
quarters at Colon, R. P.. vice Mr. H. L. Stuntz, re-
signed. J. A. Smith, General Superintendent.
Approved: Geo. W. Goethals,


The following is a list of the sailings of the Panama
Railroad Steamship Company; of th" Royal Mall
Steam Packet Company; of the Hamburg- American
Line, and of the United Fruit Company's Line; the
Panama Railroad Company's dates being subject to


Allianca P. R. R. . .Saturday. . .April 29

Colon P. R. R.

Advance P. R. R .

Panama P. R. R.

Allianca P. R. R.

Colon P. R. R.

Advance P. R. R.

Panama P. R. R.

Allianca P. R. R.

Colon P. R. R .

Advance P. R. R.

. Saturday ... May 6

.Friday May 12

.Thursday.. .May 18
.Wednesday. May 24
.Wednesday. May 31

.Tuesday June 6

.Monday June 12

.Saturday. . .June 17
.Saturday. . .June 24
.Friday June 30

Cristobal. . .


Allianca. . . .


Advance. . . .
Panama. . . .
Allianca. . .


Advance. . . ,
Panama. . . .
Allianca. . . .


Advance. ..


P. R. R. . .Wednesday

P. R. R. ..Monday...

P. R. R. . .Friday. .. .

P. R. R. . .Thursday..

P. R. R. ..Wednesday

P. R. R. ..Wednesday

P. R. R. . .Tuesday...

. P. R. R. ..Tuesday.

.P. R. R.
.P. R. R.
.P. R. R.
.P. R. R.
. P. R. R .

.Sunday. . .
.Saturday. .
.Friday. . . .
. Wednesday

.May 3
May 8
.May 12
.May 18
.May 24
.May 31
.June 6
.June 13
.June 18
.June 24
.June 30
July 6
July 12


Zacapa U. F. C . . .Thursday . .

Prinz Eitel Friedrich . . H.-A Friday . . .

Clyde R. M Saturday . .

Almirante U. F. C. ..Thursday..

Prinz Aug. Wilhelm*. .H.-A Saturday. .

Santa Marta U. F. C. . .Thursday..

Prinz Sigismund H.-A Friday

Thames R. M Saturday. .

Metapan U. F. C ... Thursday .

Pnnz Joachim* H.-A Saturday.

Zacapa U. F. C . . .Thursday .

Prinz Eithel Friedrich . H.-A Friday . . .

Trent R. M Saturday.

.April 27
April 28
.April 29
May 4
. May 6
.May 11
.May 12
.May 13
.May 18
. May 20
.May 25
. May 26
.May 27


Santa Marta U. F. C. ..Thursday...

Prinz Sigismund H.-A Tuesday. . .

Thames R. M Tuesday...

Metapan U. F. C . ..Thursday..

Prinz Joachim* H.-A Tuesday...

Zacapa U. F. C. ..Thursday..

Prinz Eitel Friedrich. .H.-A Tuesday...

Trent R. M Tuesday.

Almirante U. F. C . . . Thursday

Prinz Aug. Wilhelm* H.-A Tuesday.

Santa Marta U. F. C. .Thursday..

Prinz Sigismund H.-A Tuesday .

Oruba R. M Tuesday .

April 27
.May 2
.May 2
May 4
• May 9
.May 11
..May 16
..May 16
.May 18
.May 23
.May 25
May 30
May 30

Cartago. . .
Turrialba. .
Abangarez .
Heredia. ...
Atenas. . . .
Cartago. . .
Turrialba. .

Abangarez . .
Herediaf. . ■


Cartagot ■ • ■
Turrialba. . .
Abangarez . .
Herediat • • .




U. F. C. . .Wednesday. April 26

U. F. C. . .Saturday.. .April 29

U. F. C. . .Wednesday. May 3

U. F. C. . .Saturday... May 6

U. F. C. .Wednesday.. May 10

U.* F. C... Saturday... May 13

U. F. C. . .Wednesday. May 17

U. F. C. . .Saturday.. .May 20


U. F. C. . .Thursday. ..April 27

U. F. C. ..Thursday... April 27

U. F. C. . .Thursday... May 4

.Thursday .. .May 4
.Thursday... May 11
.Thursday... May 11
.Thursday. ..May 18
.Thursday... May 18
.Thursday. ..May 25
.Thursday... May 25

....U. F. C.

U. F. C.

U. F. C.


Hamburg-American steamers leave Colon for New
York via Kingston every Tuesday at 10 a. m., and those
designated (*) call at Santiago. Cuba.

Steamers designated (*) make a local run from
Colon to Bocas del Toro and Port Limon on alter-
nate Wednesdays.

Royal Mail steamers leave for New York on alternate
Tuesdays, at 12 noon; for Southampton on alternate
Tuesdays at 10 a. m.

United Fruit Company's ships for New Orleans direct
leave on Thursdays at 3 p. in.; ships designated (t) for
New Orleans via Port Limon and Puerto Barrios on
Thursday at 4 p. m.; ships for New York via Kingston
on Thursday at 1 1 a. m. ; for Bocas del Toro on Monday
at 6 p. m.

The Leyland line steamer Asian sails for Tampa
on May 1.



Volume IV.


No. 36.

The Canal Record

Published weekly under the authority and supervision of
the Isthmian Canal Commission.

The Canal Record is issued free of charge, one copy
each, to all employes of the Commission and Panama
Railroad Company whose navies are on the gold roll.
Extra copies and back numbers can be obtained from the
news stands of the Panama Railroad Company for five
cents each.

Address all Communications


Ancon, Canal Zone,

Isthmus of Panama.

No communication, either for publication or requesting
information, will receive attention unless signed with tht
full name and address of the writer.


Cost of Construction Work.

A statement of construction expenditures
up to March 31, 1911, inclusive, and a de-
tailed statement of the cost of construction
during the quarter ending March 31, is pub-
lished in Part 2 of this issue of The Canal
Record. It shows that the cost of exca-
vation in the Central Division, and of con-
crete laying in both the Atlantic and Pacific
Divisions reached its lowest point during the
last quarter.

The cost of excavation in the Central
Division was 56.92 cents a cubic yard for
the quarter, and this includes a charge for
plant and general expenses. During the
month of March, when the excavation was
the largest of record — 2,026,087 cubic yards —
the division cost was 37.61 cents, and the
total cost, including plant arbitrary and gen-
eral expenses, was 51.01 cents. Table No. 1
of the statement shows that the average cost
of excavation in the Central Division up to
March 31, was 88.01 cents a cubic yard, which
is six cents below the cost per yard in the
estimate submitted to Congress in October,

The cost of concrete placed in Gatun Locks
during the quarter — 231,907 cubic yards — was
$6.6972 per cubic yard. This price included
all expenditures and included likewise 3,314
yards of reinforced concrete, used in the con-
struction of operating tunnels, at a cost of
$14,276 per cubic yard. In March, 86,884
cubic yards of concrete were placed in the
locks, and of this amount 1,585 cubic yards
were reinforced concrete. Reinforced con-
crete cost $13.9034 a cubic yard, and the mass
concrete $6,315 a yard; these costs are the
lowest for concrete at Gatun Locks. The
estimate made in October, 1908, placed the
cost at $7.75 per cubic yard. The cost of
crushed stone from Porto Bello, which forms
•part of the concrete at Gatun, shows a re-
duction of 23.11 cents a yard from the last
quarter, the average cost being $2.1787, as
against $2.4098 in the previous quarter. The
cost of sand in the Atlantic Division during

the quarter is slightly in excess of that for
the previous quarter, but in March this sand
was delivered at a cost of $1.5827 a cubic yard,
which is a substantial decrease, as compared
to the cost in previous months.

There is a slight increase in the cost of con-
crete at the Pedro Miguel Locks due to a
smaller yardage, consequent upon a portion
of the construction plant having been moved
to the locks at Mirafiores. The cost of
$5.2131 per cubic yard for the quarter is,
however, below the estimate of $8.25 a cubic
yard made in October, 1908. At Mirafiores,
although only a part of the construction plant
was in operation, 76,087 cubic yards of con-
crete were produced during the quarter at
an average cost of $4.8434 a yard, as compared
with $8.22 a yard, the estimate of October,

Chilibre River Caverns.

Extensive caverns have been found by
hydrographers while gaging on the Chilibre
River,and a thorough exploration of the under-
ground passages will be made. The caverns
are situated at the junction of the Chilibre
and Cabulla rivers, just outside the Canal
Zone, and about two miles directly east of
Juan Mina village on the Chagres River.
The elevation appears to be about 100 feet
above sea level, 15 feet above the normal
level of Gatun Lake.

The Slides in Culebra Cut.

The beginning of the rainy season finds the-
work in Culebra Cut better prepared than
ever before to cope with the slides that may
be accelerated by the wetting of the ground.
The slides at Culebra have been moving
during the dry season, and the break across
the hill on which the house of the Chief
Quartermaster was formerly situated has
actually widened. It is believed that as soon
as the mass of earth becomes water soaked it
will begin to move on its rock bed into the

This is a part of the great slide on the west
bank of the Cut, from which over 2,000,000
cubic yards were taken the past year, and
which is estimated to contain two million
cubic yards more; and has already included
within its area several of the buildings in
the village of Culebra. Three steam shovels
are now taking material from the top of this
slide, and four are excavating from the bottom.
The shovels at work on the bottom of the slope
are 10 to 110 feet outside the Canal prism.
The third of the shovels on the top of the
slide was set at work on May 1, and it will
excavate a terrace or bench one step farther
up the hill than the two that have been dig-
ging for some time past. This bench will
extend along the edge of the slide from Rio
Grande to near Culebra wye. A track will
be laid along this bench and the spoil trains
can be handled on a run-around, instead of
being forced to back up to the shovels as at

present. Seven buildings used as employes'
quarters will be moved to make room for the
new bench.

Work on the east bank opposite the village
of Culebra is also in satisfactory condition.
The shovels excavating at the toe of the slope
are 80 to 130 feet outside the prism. A shovel
will be set at work presently, making a cut
from the slope along the edge of the old
French dump, casting over into the Canal,
thus lessening the weight of the slide.

At Cucaracha, the shovels digging at the toe
of the big slide are 100 feet outside the Canal
prism, and the materia! is moving slowly, but
will probably move more rapidly during the
rainy season.

Adjustment of Claim for Coconut Grove.

The claim of the Caribbean Coconut Com-
pany for damages to its coconut grove at
Toro Point, incident to the construction of
the Colon breakw-ater, has been adjusted for
$33,964.85, and the lease of land from the
Panama Railroad Company has been can-
celled. This adjustment was made in accord-
ance with the recommendation of a board of
arbitration appointed for the purpose of
determining the value of the coconut grove,
under the following provision of the contract
entered into with the company by the Panama
railroad on August 26, 1893, and renewed on
December 29, 1900:

Article 6. If, during the time of this contract, the
Lessor Company should require the land for its own
use, this contract will thereupon be cancelled and the
Lessor Company shall pay to the Lessees the value
of the plants which are found thereon — this value being
fixed by appraisers — but the buildings thereon shall
be removed by the Lessees and without indemnity on
the part of the Lessor Company.

The land leased under this contract was
approximately 457 acres. The report of the
appraisers states that there were found on the
land 6,249 bearing coconut trees and 5,850
trees not bearing. In arriving at the value
the appraisers determined a reasonable aver-
age number of coconuts that the grove would
yield during each of the seven and two-thirds
years remaining under the lease, a reasonable
price per coconut obtainable in the Colon
market, and the annual expense of mainte-
nance, harvesting and bringing the nuts to the
Colon market. From this data the net annual
income from the grove was derived, and the
cash value of the annuity was considered the
measure of damages which paid to
the coconut company by reason of the can-
cellation of the lease.

It was assumed that of the 5,850 nonbear-
ing trees, 2,000 would have come into bearing
during the remaining period of the lease, this
assumption implying that 1,350 of the trees
would never bear, and that 2,500 of the re-
mainder would take the place of the trees now
bearing, which, on account of age, accident,
or disease would cease to bear. Data col-
lected from various sources show that some
trees bear as many as 200 coconuts a year,



Vol. IV., No. 36.



and that on the Isthmus some yield as many
as 180 per year. The yield per tree on several
small plantations along the Caribbean coast
runs from 12 to 180, and the trees on Cristobal
beach have given an annual yield for the past
four years of from 45 to 75 nuts per tree. On
data thus collected, it was decided that the
annual gross crop from the grove would be
40 nuts per tree for 8,249 trees. The average
price of coconuts on the Colon market for
the 24 months of 1909 and 1910 was $24.04
per thousand, and on this basis, after making
deductions for maintenance, rents, taxes,
harvesting, hulling the crop, and delivery at
Colon, the net annual income of the grove
was determined as $6,092.35. After making
a deduction of 8 per cent for interest, the total
amount of the claim was agreed upon as
$33,964.85, and this payment has been made
by the Panama Railroad Company. The
railroad will be reimbursed from Canal funds,
because the damage is caused in the construc-
tion of the Canal. The appraisers were
Major Chester Harding for the United States,
and Robert Wilcox for the Caribbean Coco-
nut Company.

Ancon Crusher.


April 24
April 25
April 26
April 27
April 28
April 29


Changes in Concrete Handling in Pacific Division.

It has been found advisable to change the
method of the delivery of concrete in the
center wall at the Miraflores Locks from that
contemplated in the original plan. In the
description of the concrete handling plants
at Pedro Miguel and Miraflores Locks, pub-
lished in The Canal Record of January 4,
1911, it was explained that the berm cranes
on the sides of the Miraflores Locks would
supply the concrete for the center, as well as
the side walls, and that it was designed to send
the material for the center wall down a trans-
fer chute into the chamber crane buckets.
Under the revised plan, the transfer chute
will be dispensed with, and the berm cranes
will provide concrete for the side walls only.
Concrete for the center wall will be furnished
by auxiliary mixers situated in an opening
left for the purpose in the east side wall, and
will be carried by narrow gage equipment to
within reach of the chamber cranes, thence
hoisted and carried into place by the longer
arms of the cranes, working in a reverse
position to that at Pedro Miguel. By this
method, the berm cranes will be relieved of
the burden of supplying concrete for both
center and side walls, and the work, in con-
sequence, will proceed with added rapidity.

The removal of the cranes from the Pedro
Miguel Locks will also involve some changes
in concrete handling there. The contractors
are at present engaged in dismantling cham-
ber crane No. 2 in the west chamber, and the
plan is to remove two of the chamber cranes,
then the remaining berm crane, and after-
wards the other two chamber cranes. With
the removal of all of the berm crane mixing

machinery, it is proposed to utilize the auxil-
iary mixers in the west storage trestle to con-
tinue the concrete work remaining at that
time, which will be principally wing wall con-
struction. The material will be hauled to
the place desired by the narrow gage equip-

ment, elevated by derrick and automati-
cally dumped. The east storage trestle at
these locks has been abandoned, and is being
taken down. The auxiliary mixer, formerly
situated at the south end of the trestle, is to
be set up on the west trestle.



Over 62 per cent of the concrete for the system of three twin locks at Gatun has been laid,
the amount in place at the close of work on April 29, being 1,303,783§ cubic yards, out of a
total of 2,085,000.

A statement of the amount of concrete placed in the locks each day for the week ending
April 29, and of the total, follows; and a similar statement for the work in the spillway of
Gatun Dam is published elsewhere in this issue. The construction plant works 12 hours daily,
and the auxiliary plant 9 hours.


Construction Plant.
2-cubic yard mixers.

Auxiliary Plant.
2-cubic yard mixers.




No. of




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