THE CLASSIFICATION OF HYDROTECHNICAL INSTALLATIONS ACCORDING TO IMPORTANCE

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000600270290-0
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 5
• Document Creation Date: December 22, 2016
• Document Release Date: September 15, 2011
• Sequence Number: 290
• Publication Date: December 20, 1949
• Content Type: REPORT

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CENTRAL INTELLIGENCE A n awe 'Ah SPORT
INFORMATION FROM
COUNTRY IM I
SUBJECT Oananio - Power, irrigation,
tranepcrtstion
PUBLISHED DfoscaY
DATE
PUBLISHED 2-3 Pew 19110
LANGUAGE
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REPORT NO.
We standard was latredaeod by the hilnistry of Power Plants and amfiraod
by the Ali--ni1a Connitte. an Standards of the 4m63. of Ministers an
2b October 1946, to Us effective as of 1 January 1947.
1. no prosmt standard is applied in regard to the. classification, by
Snpestaneo, of n.Rlly contracted end reomstruoted bydroteclmical laatallatiaos:
Qgdrorlaotrio power plants, land development projects, and river transport
facilities
2. Ike elase of igartaaoe of a hydroteobuieal installation nowt be
oaeeiderea In the plemning of hydroteohnioal Installations for the deter-
miaetion ads
a. Permitted loads, coefficients of sapplUs, coefficients or
rtability of the Installation and their parts;
b. Vpd and type of materials wed;
o. mulmoni alp&ditares of eater necessary for construction and
operation of the Installations;
d. Caspositim and quantity cf surveying, research, and planning
CLASSIFICATION COIWI>~TIAL
jSTAR NAVY NUB I ~ DISTRIBUTION
IARIY IJuAIR IAI FBI I I I I I I I
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by a planning organization and Is confirmed by an agency empowered to confirm
such pro'joots.
4. lydretechnioa1. Installations are divided into:
a. Five grades, depending on productive effectiveness;
b. Basic, secondary, and auxiliary Installations, depending on
o. Permanent and timparary installations, depending on lsr th of
d. 'Five classes, acoordind to importance: Class I, a troaasly
5. ]halo and secondary installations whose length of service has not
previously bean limited or exceeds 5 years are permanent.
6. 2parary installations are basic and secondary Installatigne Aces
length of service has been previously limited and does not exceed 5 years;
also, all auxiliary installations are t,iaporawy.
T. Placing a bydroteohnlcal installation in any claws is dome in the
following manner: upon deteraiaatl6a of the grade, significance, and length
or service of tee installation, it is placed in a class in accordance with
the table at the and of this report and points 8, 9 and 10 of the present
?
8. If a ba droteobnlcal center is ^is:ltaneewsly a poser, land develop-
at, and transport installation, the classes of the seportte iastailatiaoe
of the center are determined according to the corresponding branches of
management (power, development, transport). The classes of installations
of a center which oenoern the operation of the center as a whole are determined
by the branch giving the higbaest o1asslfioatim.
9. I crewing the clue of an installation by one claw is permitted,
as an exception, in the following cases:
a. If an accident to a basin in?tallatlaa ounses oatastrophia
consequences to populated places and enterprises located lower than the
basic installation, or can cause considerable damage to the soenoq.
b. If an accident to an auxiliary installation of the First or
Second Grades am cause *crime damage to a basin Installation;
o. $ the planning of especially heavy dame and sluices operating
under great pressure, and also of complex or of poorly designed basin install-
ations of the Second or Third Grades.
d. In the planning of basic and secondary installation in ulfavorable
geslsgio or )aydrogsologio conditions -- for instance, in the presence of wear
or chemically unstable ground, and in case of lamdilides.
10. Lowering basin ~,ermanmet ,installations 9 the First,\ Osoond,;and
Third Grades by me class mast be effieted in the following oases:
a. If the in?talJ.ation has relativ61y small dimensions, is under
little pressure; or has simple structures placed 'm a folly secure base;
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b. If the installation operates .vino bre&kv- whose lamgth: allow,
repairs to be made without int?rlering with the operation of the center.
11. Raising or lowering the class of as installation must be justified
des of &Edrot ta&latiowe
First Grade
Wdroeleotric Power Plant -- Installations of hydroelectric power plants
w1ith a capacity of more than 250,000 kilowatts and prroduaing not as than
one billion kilowatt-hours of electric power per year.
ik.nd Derelopaent Projects $-' Installations irrigating or draining an area
of sore than 250,000 hectares.
River Transport Facilities -- Looks and navigable canals on eupsrwater-
F:41roel?etric Power Plants -- Installatians of hydroelectric p1awer plants
with a capacity of 25,000-250,000 kilowatts and producing not less than 100
million kilowatt-hours of electric power per years; also, installations
of *yd7c?l otrie power plants with a large capacity and producing less than
one billion kilowatt-hears of electric power per year.
Land Development Projects -- Installations which (1) irrigate or drain
an area of 50,000-250,000 hectares; (2) supply water to an area of more than
500,000 heotar s~ (3) provide flood protection to an area of mere than
250,000 hectares.
River 91 part Facilities -- Looks and navigable canals on water routes
of the First areas.
Thfii Grade
Wdrselotrio Power Plants -- Installations of hydroelectric power
plants with a capacity of 1,000-25,000 kilowatts and producing not less
thank million kilowatt-hours of electric power per year;tilso, installations
of hylrerleotrio power plants with a large capacity and producing less than
100 ailliea kilowatt-hears of electric power per year.
Land Dowel w H asnProjects -- Installations which one irrigate or drain
an area of 20,000-50,000 howtares; (2) supply water to an area of 50,000-
500,000 heetae?s; (3) provide flood protection to an area of 50,000-250,000
hectares.
River Transport Facilities: Looks and navigable canals an Second Grade
water routes.
Fourth Grade
7'dreel90Erio Power Plants -- Installations of hydroelectric power plants
with a capacity of 100-1,000 kilowatts; also, installatioas-of plants
with a greater capacity and producing leas then b million kilowatt-hours of
electric power per year.
3 -
COMWn 4+
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? t1 i+evelopn ntPrujeota T' t s 1tines s.uiau (1} i 'ig . ua?riu
an area of 5 000-20,000 hectares; (2) supply eater to an area of 5,000-50,000
hectares; (31 provide flood protection to an area of 5,000-50,000 hectares.
Fifth Grade
hydroelectric Power Plants -- Installations of hydroelectric paver plants
with a os?aoity of lase than 100 kilovatte.
Land Develop ant Projects -- Installations which (1) irrigate or drain
an area of less than 5,000 hectares; (2) supply water to an area of 'Dees
than 5,000 hectares; (3) furnish flood protection to an area of less than
5,000 hectares.
River Transport Taoilities -- looks, navigable canals, and timber
floating races on wall First and Second Grade rivers.
Basic
. hydroelectric Power Plants -- Installation of which the ourtailaemt of
operation in case of repair or accident world cause a marked decrease in
capacity of the power plant or its closing down, such as head and plant units
and associated installations such as dace, spillways, water intakes, canals,
aquaducts, 41hons, tunnels, derivation pipe lines, delivery basins, pagulating
reservoirs, delivery pipe lines, buildings of the power plant, etc.
Load Dsvelopmont Projects -- Installations of which the curtailment of
operations in the case of repair or accident world cause complete or partial
reduction of the effective action of irrigaticrp or draining eystease, curtail-
aeat or reduction of water supply, or destr6oticn of flood protection, such
as (1) head ins tuns: daces, looks, spillways, ato; (2) mein-line canals;
(3) InstallaticsW Yrogulating the expenditure of water: water dischargers, ,ater
separato we, sluices; (k) ocnaooting races; drops, cantilever ohntes, eto;
(5) water-delivery installations: canals, agnadnotst tunnels, races, siphons,
etc.; (6) protecting dens; (7) pumping stations; (A) draining and irriga-
tiea "Balm, eta.
River Transport Facilities -- Sluice and canal installations of which the
curtailaeat*of uperatiaas in case of repair or accident would cause stoppage
or redaction of navigation of timber floating, such as head and ccspartasnt
wells of sluices, gates, water conduits, water intakes, dam, dikes, water
disehargsrs, which are a part of a given facility; delivery installations of
reservoir feuding systw; aatiscoldsnt apparatus of the facilities, eta.
Season
Installations an their separate parts, of which the curtail6,ent of "Iarstien
weald not have the consequences indicated for the basic installations, each as
for (1) hydroelectric power plants and land development projects: bulkheads and
anti-foe walls, dams, auziliary bridges not carrying the load of the gate-
raising mochasisms, tonperary and repair gates, canal bank reinforcements,
etc; (2) for water transport facilities: sluice, dam, and canal installations,
such as bulkheads, regulating apparatus, repelling and mooring devices, dame,
te*rsry bridge., repair abstructieas, canal bank reinforcements, etc.
C. C
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i II ul,
eaziiimz
Installations vhioh are necessary at the tuns of oomstruatiop or repair
of basic mad saomaary installations, such as cofferdam, teepporaty outlets
for saooss water wed in oomctructioa, ocrostractim tuamels (if they oarMat
be used in rho future), drainage imstsllat1 , scaffoldings, tuber, temporary
arch centers, lining, .to,
Significance and Length of Service of Imstallstion
Grades:of Idsstallstio_@
lot 2$ -U
aereeai t 7nstallstioma
Basic I II III IV Iv
8oooadsz' in in IV IV
feeppersry Ia ts2lstiom
lhulie, lee-gtts of service
loss tart 5 years III in IV Iv V
Bsooads~y, leogia of service
low than 5 yes m if IV Iv V V
AAzilisry IT IT IV V V
NMI If *310 length of serviee Of exxilisry installatiens (cofferdam and
ta4eeary ontlotb for users eater used in oometruction excepted) does
net eeceeed 2 years, those insulations bele.g to Class V.
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