ELIAS URANIUM REFINING IN JACHYMOV

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00047R000400190003-3
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 18
• Document Creation Date: December 27, 2016
• Document Release Date: April 26, 2013
• Sequence Number: 3
• Publication Date: March 5, 1954
• Content Type: REPORT

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1_4SSIFICATION CONFIDENTIAL
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CENTRAL INTELLIGENCE AGENCY REPORT
INFORMATION REPORT CD NO.
DATE DISTR.-Sin/4R 1954
ENNallmmE
COUNTRY Czechoslovakia
SUBJECT
50X1 PLACE
ACQUIRED
Elias Uranium Refining in Jachymov
nATE
50X1CQUIRED BY SOURCE
50X1
DATE OF INFORMATION
THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEPENOT
OF THE UNITED TTTTTTT WITHIN THE M mmmmm ODE TITLE IS, SECTIONS 7113
AND 794, OF THE U.S. CODE. AS AMENDED. ITS TRANSMISSION ON RICE,
LOTION OF ITS CONTENTS TO OR RECEIPT ST AN UNAUTNOEITED PERSON IS
FROHISITED SY LAW. THE REPRODUCTION OF THIS FOSS IS PRONIAITED.
SOURCE
NO. OF PAGES /g
NO. OF ENCLS. 5
(LISTED BELOW)
SUPPLEMENT T
REPORT NO.
THIS IS UNEVALUATED INFORMATION 50X1
Comment: All points to which reference is made in the following
report will be found in Enclosure (C) unless otaerwise-indicated7 50X1
1. "The refinery of the Elias mine in Jachymov has the highest output of pure
uranium ore of all the mines and refineries of the jachymov area, and employs
50 civilians and 250 prisoners. The refinery processes uranium ore from the
old 'pile' of the Rovnost mine, ore from the Elias mine (Elias and Jirina pits)
and ore from the Rovnost and Eva mines. The ore from the Rovnost 'pile'
(point 1) has the highest radioactive content and is residue from the days
when silver ore was produced at Rovnost. I shall give a step by step report
on the processing of uranium ore at the Elias refinery.
2. "At the mines the ore is loaded on carts by means of a shovel conveyer
(point 2) and transported to the so-called 'reserve piles' (zasobni haldy,
points 4 and 5) by a narrow-gauge railway (point 3). From the reserve
piles the ore is placed on special steel Grills where it is crushed into
smaller pieces. A conveyor belt under the grill transports the smaller
pieces of ore to the crushers. The ore from the conveyor falls into two
sieves (point 7) and is sorted into two size categories. Smaller pieces
or ore fall on another conveyor belt and are transportea to the sorting
plant (points 8 and 12). Larger pieces are transported by special short
belts to individual crushing machines (points 9, 10 and 11). After pro-
cessing in the crushing machines the ore, consisting of pieces of three
cm diameter, is transported by the main belt to an automatic scale (point
13) where it is weighed. The weighed material goes into two large wooden
reservoirs (point 14) of 30 tons capacity each.
CLASSIFICATION
CONFIDENTIAL
DISTRIBUTION
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CONFIDTINTIAL
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3.
'From the reservoirs the ore is transported by short belts (point 15)
into conic rotation sieves (point 16). Here the ore is sorted in
water into three categories (small, medium and large). The small pieces
are transported in water to a special device called 'sazecka'. There
are nine such devices in which the uranium ore is separated from the
waste. This device, 'sazecka', is a metal cylinder with a vibrating
membrane. The heavier pieces of ore remain on the bottom and go into a
barrel (point 28a) and the rest of the material is flooded in water
(point 26) into another special device with two vibrating sieves
(point 22a).
I. "The pieces of medium size which arrive from the conic rotation sieves
are flooded by water into spiral crushers (point 20) where they are
again divided into smaller and larger categories. The small pieces go
into the 'sazecky' (point 21) and are processed by vibration sieves.
Larger pieces go into the vibration sieves into which the material from
the 'sazecky' also enters, and is sorted again into two categories.
Smaller pieces again go into two 'sazecky (point 21a) where they are
finally sorted into pure uranium ore and larger radioactive material.
5. "The large pieces from the vibration sieves go in water into a reservoir
(point 29). There are four such reservoirs into which all material
remaining after processing comes. This material includes the following:
(a) Large pieces from the conic rotation sieves.
(b) Material from the 'sazecky' (point 21) arriving by a canal
(point 24).
Material from the vibration sieves.
Aturial from the 'sazecky' going by a canal (point 27).
6. "The ore from the 'sazecky' (points 21, 21a and 22) goes into a pipeline
(point 28a) and is tested as to its purity and radioactivity. If the
material shows the desired quality, it is put into barrels and forwarded
to the drying plant. If the material does not possess the desired quality
it is stored in reservoirs (point 34). (The 'sazecky' are fax from being
reliable and a large amour), of material is sent for further processing in
the crushers.)
"From the reservoir (point 29)4, 1414r444,45,f9rwarded by eOilveyors (point 30)
to vibration sieves (point 30a) Where it is sorted into two categarie.P
according to the size of the ore. Small material is forwarded into a
'sazecky' (point 31); large pieces are forwarded by conveyors to the round
crushers where they are crushed into fine sand. The larger material from
the 'sazecky' (point 31) goes into the round crushers; pure uranium ore is
forwarded by a pipeline (point 28) into metal barrels.
8. "The ground material from the round crushers (point 32) is forwarded by a
pipeline (point 33) into storage (point 34). This ground material is called
'dregs' (rmut). The material stored in the reservoir (point 34) is pumped
by 10 pumps (point 36) through a pipeline (point 35) into a reservoir
located in the upper part of the second floor. From these reservoirs, the
material arrives by its own weight fiic7 on the second floor where there are
51 tables called, 'splay' (point 38), and on the main floor which has 50 such
tables (point 39). The tables called 'splavy' (sluices) are made of concrete
and their upper parts are equipped with grooves which vibrate, thus sorting
the material coming from the reservoir. The heavy material is pure uranium
ore; the light material is called 'hlusina' (waste).
9. "The waste goes from the tables through a canal (point 41) into a waste hole
(point 45) The material in the waste hole still has some 7.5 to V of
radioactivity and is to be processed sometime in the future.
(c)
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10. The pure uranium ore, after having been dried, is stored in metal barrels.
All uranium ore produced during the shift must go first into a reservoir
where it is mixed with other ore in order to maintain a uniform quality of
ore. The samples are taken from this ore in the reservoir and tested in the
radiometric station (laboratory, point 40a). From the reservoir, the ore is
transported by conveyors into the drying plant (point 42) where it is dried
on tables heated with steam. The dried ore goes into the OTK division
(Odborna technicak kontrola - Expert Technological Control, point )4). In
this division all iron parts are removed by means of a large electromagnet.
Here again, the ore is mixed with other ore, samples are taken, radio-
activity measured, and the ore is weighed and stored in metal barrels. When
the barrel is full, the top is welded to it by means of an autogenous machine;
then the barrel is weighed' again and is provided with various signs describing
the ore. Each barrel has a description sheet with the whole story of the
processing and each barrel contains 80 kg of pure uranium ore. During each
eight-hour shift, 10 tons of pure uranium ore is produced from a total of
250 - 270 tons of processed uranium ore.
11. "Barrels of pure uranium ore are transported every afternoon by Tatra 111
trucks to some place in the area of Jachymov. Every truck is accompaniec_
by a member of the factory militia, armed with a pistol and a submachine
gun. (_ do not know the exact place to which the ore is forwarded.)
12. "As I mentioned, before, ore from the old 'pile' of the Rovnost mine is
processed in the refinery of the Elias mine. Thirty-three prisoners and
three civilians work on the 'pile'. The ore is loaded by a shovel
excavator (Skoda-500) into the carts which forward it into a reservoir
and onto conveyor belts. The contents of each shovel of the excavator is
0.5 cubic meters. The conveyors are made of rubber, are approximately
80 centimeters broad and are driven by electromotors with a capacity of
: 25 kb- One of these belts which goes from the pile to the crushing
plant is approximately 1,100 meters long. The second main belt from the
crushing plant to the Elias refinery is approximately 400 meters long.
The ore has a high degree of radioactivity. In addition to the main
belts there are other belts, one from the Jirina mine which is connected
with the main belt, and a belt for the waste (hlusina) which is forwarded
to it own pile. The belts are located on a wooden structure and are
hidden by wooden walls two meters high. The wooden walls are interrupted
at one place where an apparatus for the measuring of radioactivity and a
device for seleetin.g pure uranium ore (smolinec - pitchblende) from the
rest are located. The pitchblende is loaded in wooden boxes and sent to
the OTK division in Vykmanov
13. "The crushing station contains the following equipment: a Soviet-made
'Salmon' rotation crusher with a 40-ton per hour capacity and driven by
a 'linin' 80 kw electromotor; three hammer crushers with a 10-ton per
hour capacity and driven by three 'Reliance'-type, 25 kw, electromotors;
and one hammer crusher with a capacity of between 15 and 20 tons per hour.
The rotation crushers are steel cylinders, 2.5 to 3 meters in diameter,
which contain manganese steel balls of various sizes and weights, the
heaviest being about eight kilograms. The total weight of balls in one
crusher is approximately five tons. The cylinders make some 20 turns a
minute and are driven by a Brown-Boveri electromotor of 145 kw capacity.
The refinery of the Elias mine contains 310 electromotors of various types
and capacity from 0.15 up to 145 kw.
"The radioactivity of the ore in the Elias mine and refinery is measured
by two kinds of radiometric devices which were supplied by the USSR. The
smaller apparatus serves for measuring the radioactivity right on the pile
and on the conveyor belt. After the radioactivity has been ascertained by
the apparatus, the pitchblende is collected by hand from the conveyor an
packed in wooden boxes. During one shift, two to three boxes of pitchblende
are collected from the belt. The size of each box is 40 x 4o x 4o cm. The
boxes with pitchblende are transported to the OTK in Vykmanov.
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"The small apparatus for measuring radioactivity is rather simple. Its
main parts are as follows: gee Diagram of the radiometric device
Enclosure (D) to which numbers refer:7
(1) Measuring tube fixed in an aluminum frame. A double-
walled glass cylindrical tube with two electrodes lying
two mm from each other. Each electrode has a cap. I
do not know whether the tube is filled with gas or void
of air.
(2) An aluminum tube containing a slender axial wire. The
tube has a bushing (metal lining) on each end. On one
end a plug from the case Of the measuring tube is switched
in; on the other end a plug from the measuring apparatus
is switched in. These aluminum tubes are of various
lengths and are exchangeable.
(3) Measuring apparatus proper. This measuring apparatus is
composed of two condensers, two resistors, and two neon
tubes.
(4) Dry Battery of 70-115 V capacity. A cylindrical battery
with four outlets. The battery is located in the same
case as the measuring apparatus proper.
(5) Switch. The switch connects the current between the
battery and the measuring apparatus.
(6) Headphones. These headphones are normal headphones as
used in radiotelegraphy with 4,000 Ohms.
"The spare parts for these counters were in stock and were supplied by the
USSR. The resistors were the same kind as those made by the German factory
Siemens.
16. "The Measuring Apparatus functions as follows: The radioactive rays cause
a momentary current which is interrupted by the two electrodes located at
a distance of two alm from one another. Through the neon tubes, the con-
densers being charged or discharged are heard in the headphones as knocking.
If the radioactivity of the ore is higher, the contact between the electrodes
is better and resul,-.r, in faster charge or discharge of the condensers. The
sensitivity of the apparatus can be regulated by changes in the tension of
, ,
the battery. It often happened., when a new battery was used and tension of
345 V apPlied? there was a knocking in the headphones even without the
,
raaiation of the uranium pre. In such cases, the tension of the battery
had to te lowered.
17. "The large radiometric apparatus works on the same principle. These counters
have a glass tube in an aluminum case; however, the measuring apparatus proper
is located in a separate case which is carried by the Measurer on his back.
This apparatus is very sensitive because it has a special electrode intensi-
fication device. The tone in the headphones is a long one; its intensity
increases or decreases according to the amount of radioactivity. These
counters are used primarily in the mines for detecting new uranium layers.
18. "The management of the mine is in the hands of a few Soviet officials who,
however, are by no means experts. As far as the technological management of
the Mine is concerned, the whole matter is in the hands of Czech engineers."
Enclosures:
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(A) Sketch map showing location of Elias mine and refinery, with legend.
(B) Sketch map of the Jachyrnov mining area showing Elias mine
and prison camp, with legend.
(C) Plan of the Elias refinery with legend.
(D) Sketch of the Radiometric Device with legend.
(E) Plan of the OTK in Vykmanov, with legend.
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CONFIDENTIAL
Enclosure (A)
Legend:
1. Dwelling houses of camp Elias.
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2. Prison camp Elias.
3. Area in which the Rovnost mine and *pile" (halda) are located.
4. The Elias mine and refinery (sorting plant).
5. Waste pit of the Elias refinery.
6. Area in which camp Marianske is located.
7. Area of the Eva mine.
8. Barracks of the National Security Corps (SNB - police), called "Vrsky" (Hills).
9. Transformer station "Vrsky"
10. Camp Barbora.
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C OW IDE NT IAL 50X1
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ENCLOSURE (B) LEGEND
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1. Forest road toward the Eduard mine.
2. Forest road toward the barracks of the National Security Corps ($NB) on
"Vrsky".
3. A road around the camp which divides into a road to the Eduard mine and
to Vrsky.
4. A road toward the Elias mine and refinery and toward Jachymov. The road
is in good condition.
5. Road from camp Elias to the Elias mine and toward the refinery of this mine.
6. Elias Creek; the creek goes from the Elias mine through the camp to the
Eva mine.
7. Double fence, 3.5 meters high, made of barbed wire. The two barbed wire
fences are three meters from one another. On both sides of the fence,
at a distance of 1.5 - 2 meters, there is also a barbed wire which marks
the so-called "shooting zone" (ostrelovaci pasno). The "shooting zone" is
covered with white sand in order to make it well visible. Between the two
fences are poles, 20 meters from each other, with search lights containing
bulbs of 200 W with the beam directed into the "shooting zone".
8. Observation tower, approximately five meters high, made of lumber. The
cabin is 1,8 x 1.8 x 2 meters. On the tower are also fixed search lights
with beams directed toward the camp as well as to the outside. One man of
the SNB is on duty here; in the event of an alarm, two members of the SIO
are on duty in the tower. Equipment of the guards consists of: one light
machine gun, type CZ-26; one submachine gun with three magazines; one pistol,
7.65 cal with two magazines; one rocket pistol with cartridges; hand
grenades, (Skoda). The observation towers are connected with each other as
well as witb the command by a field telephone.
9 - 11. Dwelling houses of the employees of the jachymov uranium mines; two-
story wooden house, 20 x 12 meters.
12. A two-story wooden hou-, 20 x 12 meters, in which the guards-roam of the
SNB as well as the apartments of the SNB members are located.
13. A brick house containing an aggregator Es-157 supplying electricity for the
search lights in car 'ae transformer station is out of order.
14. Rest roams for the employees, a one-story wooden barrack, 15 x 6 meters.
15. Prisoners' quarters; a wooden barrack, 25 x 10 meters, called bloc VIII.
16. Same, called bloc V.
17. Same, called bloc VI.
18. Medical dispensary, a one-story wooden barrack, size 25 x 12 meters.
19. Hall of culture and storehouse for food; a one-story wooden barrack,
30 x 10 meters. There is a cellar under the house which serves as a
confinement cell for the prisoners.
20. The command of the camp; a two-story brick building, some 50 years old. On
the ground floor is a kitchen for the members of the SNB as well as for the
prisoners, and a canteen where the prisoners are permitted to buy extra food
for their money-marks. The camp's command is located on the second floor.
21. Prisoners' quarters; a wooden barrack, one-story, 30 x 10 meters.
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ENCLOSURE 0) LEGEND
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22. Wash room, a new wooden barrack, 7 x 7 meters, which was not quite finished
when the report was written.
23. A one-story wooden barrack, shaped like an "L", with showers, wash-rooms,
boiler room and coal storage.
24. A wooden kiosk with Communist propaganda literature. Here is also the
bulletin board for announcements and reports on the outstanding achievements
of the "activists" -prisoners.
25. Prisoners' quarters, a one-story wooden barrack, 30 x 10 meters, called
bloc III.
26. Same, called bloc II.
27. Gate-keeper's lodge; a wooden barrack, 25 x 10 meters, with the offices of
the labor-chief, offices of the "senior" of the camp, clothing and footwear
storehouse, small culture hall, barber ship and Communist library.
28. A wooden gate with barbed wire. This gate has two parts: one part serves
as exit to the road toward Jachymov; the other part serves as exit into the
corridor through which the prisoners are conducted from the barracks to their
working places.
29. The guards room of the SNB; a wooden barrack, 3 x 5 meters; the administrative
office of the SNB is in this house. The side facing the camp has a wall made
of concrete with loopholes.
30. Steel grill covering the gutter.
31. Concrete plates covering the creek which crosses the camp.
32. A wooden passage for civilians over the corridor.
33. A corridor made of barbed wire; the corridor leads from the camp to the
Elias mine.
34. Observation tower, same construction and equipment as that described under
point 8.
35. Lumber storage for the Elias mine. The storage is enclosed by wooden fence.
36. New workshops of the mine; a one-Story brick building, 18 x 12 meters, with
a:forge, melding workshop and locksmith's workshoP.
37. Canteen and dining room for the civilian employees of the Jachymov mines;
wooden barrack, 20-x 10 meters.
38. Gate-keeper's lodge and guard-room of the Elias mine; a ground floor barrack,
15 x 8 meters.
39. Fire station; a one-story wooden barrack.
40. ()la, Elias sit. This pit does not have a mining tower, but a mildly steep
mining pit which goes 120 meters deep. Over the entrance to the pit is a
wooden house, x 10 meters. The carts are on rails in the oblique pit
and. are pulled by a motor. That part of the barrack in which the machines
are located is made of bricks.
41. An old, two-story building, approximately 25 x 12 meters. On the ground
floor are. rooms of the OZK (Ekpert Technological Control) of the Elias mine.
Here the ore is sorted and put into small wooden boxes. The boxes are
forwarded by a Tatra 111 truck to a place somewhere in the area of the towns
of Jachymov-Karlovy Vary. The ore is pitchblende, pure Uranium ore and is
probably forwarded to the OTK in Vykmanov. On the second floor of this house
.4.rethenadMinittratiVeoffidetHofothe 0Th.
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ENCLOSURE (B) LEGEND
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42. Offices of the management of the Elias mine; a wooden one-story barrack,
25 x 10 meters.
43. Air-shaft (ventilation shaft) of the Elias mine. Over the shaft is a brick
house, 3 x 3 meters.
44. Rails of a narrow-gauge railway of the Elias mine; the railway serves for the
transportation of waste from the Elias pit to the Jirina pit where it is
'stored on a separate pile.
45. A two-story building of inspectorate No VII. On the ground floor is a
radiometric station, boiler room, telephone centrale as well as the offices
of the inspectorate. On the second floor are also offices of the inspectorate
and a storage place for mining lamps. Size of the building, 50 x 15 meters.
46. Naw Jirina pit. The mining tower is 20 meters high; its base, 15 x 15 meters.
Up to the middle, the tower is made of concrete. The pit is 43 meters deep
and is connected by a corridor with the Rovnost mine, and by another corridor
with the Elias mine. All radioactive ore produced in the Elias and Jirina
mines is forwarded through the Elias pit to the surface and goes to the OTK
for sorting. The waste from both pits goes throne) the Jirina mine to the
surface and is forwarded by a narrow-gauge railway to a pile of waste (hlusina)
which lies about 1.5 kilometers from the Jirina pit. Pure uranium ore,
pitchblende is packed in the OTK in wooden boxes and is sent away for further
processing. Other radioactive material is transported by conveyors to the
refinery where the ore is separated from the waste. The waste is forwarded
by conveyors to the narrow-gauge railway to be put on the special pile of
waste material. The radioactive material is forwarded on conveyor belts to
the crushing machines where it is processed together with the material which
arrived from the Rovnost pit.
47. Transformer station of the Elias pit. A brick house, 4 x 6 meters.
48. Compressors for the production of compressed air for the Elias mine; the
machines are located in a two-story brick building, 40 x 16 meters. On the
ground floor are six compressors driven by electromotors of 100 kw capacity.
On the second floor is a cabinetmaker's workshop, a technical office and an
el-rtrical workshop.
49. Storehouse of the Elias mine. A one-story wooden barrack, 15 x 6 meters.
50. Writ-% Machinery of the Jirina mine; a one-story brick hOuse, 17 x 17 meters
51. Metallic reservoirs for compresse.-: Air for th Elias pit.
52. Maintenance workshops of the Elias mine; a one-story wooden barrack,
20 x 10 meters.
53. Reservoirs of uranium ore from which the ore is transported by Tatra, 111
trucks, to the refinery of the Elias mine in case the conveyor belts are
out of order.
54-. A reservoir where the uranium ore which arrived from the EdImrd and Eva mines
by trucks is stored. Both reservoirs are made of wood.
55. Guards' room of the factory militia. Here one man of the militia is on duty;
he'is,armed with a pistol with two magazines.
56. A new high building in which two crushers are to be installed. It was not
57. A reservoir for uranium ore which is used only in case the conveyors are out
of order. The ore is then transported by trucks to the refinery Of the Elias
mine.
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ENCLOSURE (B) LEGEND
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58. Conveyor belt from the Rovnost "pile" to the reservoirs.
59. Conveyor belt from the reservoir to the crushing station. The length of
this belt is approximately 1,100 meters.
59a. Conveyor belt from the Jirina pit to the Elias refinery.
59b. Conveyor belt, from the refinery to the narrow-gauge railway, for the
transportation of waste.
60. Conveyor belt from the refinery to the crushing station; thia belt is
400 meters long.
61. A one-story wooden house, 10 x 7 meters, in which the offices of inspectorate
No VIII and coil machines for electromotors are located.
62. Crushing station; a wooden building, 45 x 25 meters, approximately 18 meters
high with a Soviet-made Saimons-type rotation crushing machine, with a
capacity output of 40 tons per hour; three hammer crushers with a capacity
of 10 tons per hour each; one hammer crusher with a capacity of 20 tons per
hour. The crushing machines are driven by electromotOrs of various types.
63. Transformer station; a one-story brick building, 4 x 8 meters, with one
mercury transformer of Soviet make, capacity 200A and one transformer of
Czech make (CKD) with a capacity of 800A. Both transformers are for a tension
of from 500 to 700 V; they supply the narrow-gauge railway with electricity.
64. (Unidentified.)
65. Guard hut of the factory militia.
66. Narrow-gauge railway from the pile of waste to the Eva mine. The railway is
approximately three km long.
67. The Elias creek; the creek crosses the camp where it is covered with
concrete plates.
68. A one-story brick building, 15 x 10 meters, with cabinet-maker's and
vulcanization workshops.
69. A one-story wooden barrack, 20 x 15 meters, which serves as storage for
the refinery of the Elias mine.
70. Lumber storage of the Elias refinery; a wooden barrack, 10 x 7 meters.
71. Fuel storage (oil, gasoline); a brick building, partly built beneath the
surface, approximately 3 x 4 meters.
72. A one-story brick building, 30 x 18 meters, with a locksmith's, machine
tool and welding workshop.
73. A wooden barrack, 15 x 15 meters, 10 meters high (approx), with concrete
water reservoirs, each eight meters in diameter, and eight meters high.
74. Main warehouse of the Elias refinery, a wooden barrack, one-story con-
struction, 30 x 8 meters.
75. Elias creek which forms a small pond here.
76. A wooden, one-story house, 30 x 10 meters, in which are located administrative
offices of the Elias refinery as well as the technical and construction offices.
77. A wooden bridge over Elias creek.
78. Elias refinery; a wooden barrack on a concrete base; the roof is of various
heights. The size of the base is 70 x 60 meters. In this building various
devices for the refining (sorting) of uranium ore are located.
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ENCLOSURE (B) LEGEND
eage -a-
79. Metal reservoirs for water (each 2,000 liters); the reservoirs supply the
refinery plant with water.
80. Maintenance workshop; a small, one-story wooden house, 4 x 4 meters.
81. A two-story brick building, 17 x 15 meters. On the ground floor the
laboratory of the Elias refinery is located; on the second floor are the
offices and laboratory of inspectorate No VIII.
82. Radiometric station; a small, wooden house, 2.5 x 3 meters. In the station
are devices for detecting radioactivity.
83. Drying plant for the uranium ore, a one-story, wooden barrack, 5 x 7 meters,
in which steam heated tables for drying are located.
84. Transformer station of the Elias refinery, a brick building, 12 x 7 meters.
In the building two transformers, each with 700 kw capacity are located.
85. OTK station of the Elias refinery; a wooden barrack on a concrete base. The
house contains an office of the refinery, a room of the 0Th and, in the
basement, a boiler room. The boiler room supplies the refinery and drying
tables in the drying plant with heat. The building is "L" shaped, 60 x 14 x
18 x 22 meters.
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86. Water pumps, located in a barrack. A wooden construction, 8 x 5 meters.
The pumps are centrifugal and are driven by two electromotors, of capacity
80 kw each.
87. Waste pit, 150 x 300 meters. In the waste pit there is waste material which
still has between 7 - 8% of radioactivity.
88. Narrow path in the fields from the Elias refinery to the Eva mine.
89. Old brick building in which the command of the SNB from old Camp Elias was
formerly located.
90. Old building, in which the canteen of old camp Elias was formerly located.
91. Area where camp Elias was formerly located.
92. Electri current of high tension 22,000V from the transformer station
"Na Vrskach".
93. Same for the Eduard mine.
94. Same for the Rovnost mine.
95. Same for the Eva mine.
96. Automatic sorting device for the separation of the radioactive material from
the waste.
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ENCLOSURE
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TR/INSPOR7Aq
4-)
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ENCLOSURE (C) LEGEND
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1. Rovnost "pile"; space approximately 400 x 50 meters.
2. Shovel excavator, Skoda 500-type; capacity of one shovel is 0.5 cubic meters.
3. Rails of the narrow-gauge railway from the excavator to the reservoirs and
conveyors.
4. Reservoir (reserve piles) with a grill made of cross bars.
5. Same.
6. Conveyor belt made of rubber, which goes from the pile to the crushing plant.
7. Vibration sieve where the raw material is sorted into two categories.
8. Conveyor belt for the transportation of finer material; this belt goes from
the vibration sieves to the main belt leading to the refinery.
9. A hammer crushing machine, capacity 15 - 20 tons per hour.
10. Three hammer crushers, capacity 10 tons per hour each.
11. Rotating crusher, Salmons-type, capacity 40 tons per hour.
12. Conveyor belt from the crushing plant to the Elias refinery.
13. Automatic scale.
14. Wooden reservoir, capacity 30 tons of ore.
15. Short belts from the reservoir to the cnnic rotation sieves.
16. Conic rotation sieves.
17. Canal for the transportation of larger pieces of ore to the reservoirs,
ball crushers.
18. Canals for middle-sized material which go to the spiral sorters.
19. Canals for fine material going to the "sazecky"
20 Spiral sorters.
21.- Four "sa ecky"
21a. One. "sazecka"
22. Nine "sazecky"
22a. Vibration sieves.
23. Canal for large material which goes from the spiral sorter to the vibration
sieves.
24. Canals for large material which goes from the "sazecky" to the reservoirs,
ball crushers.
25. Canal from the vibration sieves to the reservoirs.
26. Canal from the "sazecky" to the vibration sieves.
27. Same to the reservoirs, ball crushers.
27a. Same from the vibration sieves to the "sazecky".
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ENCLOSURE (C) LEGEND
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28. Outlet of pure uranium ore.
28a. Outlet of pure uranium ore (which may sometimes be somewhat solid).
29. Four reservoirs, each with a capacity of 10 tons of uranium ore.
30. Conveyor belts to the vibration sieves.
30.4. Vibration sieves where the material is sorted into two categories.
31. A "sazecka".
31a. A conveyor belt from the vibration sieves to the ball crushers j3,
32. Ball crushers. These ball crushers (round crushers) are cylinders of
2.5 - 3 meters ia diameter which contain balls of various sizes and weights.
In these crushers the material is crushed into fine sand.
33. Pipeline from the ball crushers to the reservoirs.
34. Reservoirs.
35. Pipeline from the reservoirs to the waste pumps.
36. Nine waste pumps.
37. Pipeline from the waste pumps to the reservoirs and to the tables called
"splavy".
38. 51 tables ("splavy") (second floor of the sorting plant).
39. 50 tables ("splavy ) (ground floor of the sorting plant).
39a. Reservoir in which all uranium ore produced during the shift is mixed.
40. Transportatlon of the ore from the reservoir to the dryers.
40a. Radiometric station where samples are taken; here the ore is again mixed.
41. Canal through which the waste is forwarded into the waste pit.
ers for uranium ore, equipped with drying tables heated by steam.
snsportation of uranium ore from the dryers into the OTK laboratory sic7.
44. OTK Expert Technological Control of the Elias refinery.
45. Waste pit in the ground, size 150 x 300 meters.
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OUAI
ELOLi
Page
30NE?IDENI
5 5 ? ?o
6.6
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1. Round aluminum case in which a counting tube is set.
2. An aluminum tube which is exchangeable.
3. An aluminum case with a measuring apparatus and battery.
4. Space for a battery.
5. Bushings, holes with metal lining for the plugs of the headphones.
6. Switch.
COUNTING TUBE
7. Outer glass wall of the tube.
8. Inner glass wall of the tube.
9. Long electrode.
10. Short electrode.
11. Space between the electrodes - 2 mm.
12. Brass caps connected with the electrodes.
SCHEME OF THE CIRCUIT OF THE RADIOMETRIC APPARATUS
A. Measuring (counting) tube.
B. Neon tube.
C. Condenser (fixed).
D. Condenser (fixed).
E. _3istor.
F. Resistor.
G. Switch.
H. Battery.
I. Normal headphones.
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ENGLOSGPI
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ENCLOSURE (E) LEGEND
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1. State highway Ostrov - Jachymov.
2. Single-track railway Ostrov - Jachymov.
3. A road (steamrolled) to the camp.
4. District road Dolni Zdar - Damice.
5. Railway station in Dolni Zdar.
6. Rails from the railway station in Dolni Zdar to the Technological Control
in Vykmanov.
7. Central storage of ore from the Jachymov uranium mines, called Kravin.
8. Main garages of the directorate of the Jachymov Uranium mines (passenger cars
and. trucks).
9. Stone wall, two meters high, around the garages.
10. Barracks of the SNB; main barracks for all camps in the Jachymov area.
11. Entrance to the establishments of the Technological Control and to the
camp of prisoners who are employed there.
12. Ore mill where the ore is ground.
13. Ore refinery, located in the same building as the sorting plant for the
uranium ore.
14. Final refining of ore before forwarding.
15. Prisoners' quarters (of prisoners working in the Technological Control
Division - OTK).
16. Camp for sick prisoners who are unable to work in the mines.
17. Hurdle track for the SNB exercises.
18. A farm belonging to the Jachymov Uranium Mines.
19. Construction of new dwelling development for the civilian employees of the
Jachymov mines. Prisoners were employed on the construction work.
20. Barbed wire fence, 2.5 meters high.
21. Watch towers around the Technological Control Division and the prisoners'
camp as well as the prisoners' working places.
22. Piles of waste.
4/732.17 27M
2/732.17 27M
732.17 27M
2/741.13 27M
2/744.1111 27m
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