HYDROELECTRIC POWER PLANT IN SEVAN

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00457R004200160012-9
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 14, 2016
• Document Release Date: April 3, 2003
• Sequence Number: 12
• Publication Date: January 30, 1950
• Content Type: REPORT

Approved For Release 2CL0a 'JAN(CiA&IkDP81O457R00420016
CLASSIFICATION ;,....~
CENTRAL,, INTELLIGENCE AGENCY REPOR
INFORMATION REPORT CD NO.
COUNTRY IJ3SR (Armenian SSIZ)
SUBJECT Hydroelectric Power Plant in Sevin
PLACE
ACQUIRED
DATE OF
INFO.
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TWIG DOCTI[7{IlT CO TAVIS& t-o nATIOR AFFEC99C TF4E 9IATIOCAL OAVT BD
Of Ti UDRED OTATES 9=10 THE D4t4 UO3 OF TUT SSOiORA443 ACT EO
U. S. 4. 94 ACID A2, AS AMQIIDED. iTA T[dAWGIASSIOW OQ U R D[i1ILATIOp
OF ITS CQ=UM 16 ALIT 9UAn990 TO AD UWACTHOSI !O P8n000 49 pl O.
soma 9T LAST, AEPEODUCTIOA OW Tula FORM IS E4IOfMe4TSD.
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DATE DISTR. 30 Jabs 1950
NO. OF PAGES 2
NO. OF ENCLS. 3
CLI$TED BELOW)
SUPPLEMENT TO
REPORT NO.
THIS IS UNEVALUATED INFORMATION
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1. For arrangement of turbines and stream flaw of turbin
see Annexes 1 and 2.
2,, For layout of transformer station on .11111, see .Annex 3.
3. Capacity of each turbine; 21,200 kw.
comment
Vlatr er ,
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about 300 y eet; the pipes terminate at a depth of
about 330 feet
gates regulating supply of ",rater to the turbines
Turbines 1 and 2
CONFIDENTIAL
bo All the data on this underground po aer plant confirmed
previous information.
Annex 3 contains detailed data on the transformer station
which, according to a previcas report also, is located on
the slope of a hill.
Le endto Annex 1
1 Lake Bevan
2 Concrete base z,-,with orifices 36 feet square
2a) Orifices
2b)
2c '3creen
2d) LIotors operating orifices and screen
2e)
2f Place from which motors are operated
3 Access to orifices
4 Underground supply pipes angle of descent 450, length
CLASSIFICATION
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SEE 1'lEVERSE FOR DECLASSIFICATION ACTION
Approved For Release 2003/08/11 : CIA-RDP82-00457R004200160012-9
 Approved For Release 2003/08/11 CIA-RDP82-00457R004200160012-9
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CENTRAL I TELLIG HENCE AGEI CY
7 Looks regulating the back flo'?! of T?Tater to the turbines
used in case of repairs
8 "Jansons" in the diversion chamber
9 spherical valve in diversion chamber
10 Lift
11 Staircase hall
12 Lift
13 Control cables
14 amour cables each controlling turbines 1 and 2
15 shaft
16 Funnel--shaped vault
17 :iseharge tunnel
U Diversion oh?mber=, takes up one third of the turbine 1rmse
and serves to divert the flo- of ,-!ater around the
turbines in case one or both of them should breck
dovinn The chamber is separated from the turbine
house by a nar -ition ',,'a11 -ith an iron door. The
entire turbine house, including diversion chamber,
is 1202r ,36x120 feet.
A Annex for valve control station.
Le?;end to Annex 2
1
Lift
2
Rails for traveling crane
3
Crane
4
Hoisting shaft
5
40-ton crane
6
shaft, not yet brick-lined
7
Air mixing, chamber
8
Service station for air mixing chamber
9
bcciter
10
Generator
11
Axle of turbine and generator
12
"3ansonsn
13
Spherical valves
14
Turbines
15
Partition iT all between turbine house and diversion chamber
Lepiandto inn
Bove-ground installations
1 Transformer =? orkshop
2 through 1G Transformers
11 Cable ducts
12 Open air transfornor, 11 1k,T
13 Open air trniisfor~:ler, 35 1^?!, under construction
14 -itching, station in the basement of an administration
building still to be built
1.5 TT-?o po-er tr