POWER PLANT ADDITION AND MODIFICATION AT(Sanitized) RECEIVER SITE

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-06505A000500040097-2
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 8
• Document Creation Date: November 17, 2016
• Document Release Date: June 7, 2000
• Sequence Number: 97
• Publication Date: February 20, 1967
• Content Type: MEMO

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UNITED STATES GOVERNMENT
Memorandum
Chief, Real Estate and Construction
Division, OL
ES M67 /3;;'
DATE: 2 0 FEB 1967
Chief, Engineering Staff, OC
SUBJECT: Power Plant Addition and Modification
25X1A at - Receiver Site
1. It is requested that your office negotiate
25X1C for construction
and modification to the existing power plant at _
Receiver Site in order to accommodate the additional
equipment required. Funds in the amount of
are available for this work.
2. The attached drawings and requirements are
provided as a guide and are not intended to limit
your negotiations. 25X1A
2 Atts.
As Stated
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REQUIREMENTS RECEIVER SITE POWER PLANT
ELECTRICAL
1. Work Included - Furnish and install all materials,
labor, equipment, appliances and services as specified and/
or shown on the drawings (C5386-S-02). Furnish only labor
and material to install items of equipment furnished by the
Government. The following items shall be furnished and
installed completely by the contractor.
A. All conduit and wiring.
B. Lighting fixtures and convenience outlets.
C. Connections to mechanical and electrical equip-
ment to include control wiring and wiring to remote
panel.
D. Transformer, 3 phase, 300 KVA, 60 cycle oil
filled, primary to match'existing incoming power,
Standard NEMA taps, secondary 277/480 three phase
four wire connected to GFE no-break drive motor.
Furnish labor and material to install and/or rewire
the following Government furnished equipment:
A. Two (2) 200 KW diesel generators.'
B. Control and distribution switchboard with
remote panel and external dummy load.
.C. One (1) 175 KW no-break power unit with control
cabinet.
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MECHANICAL
1. Work Included - Expansion to the existing building
as indicated on the attached drawing C5386-S-02. Dimensions
indicated are minimum allowable'. Furnish and install four-
way travelling crane of 10 tone capacity over no-break
generator as indicated on drawing. Provide bases to support
generating equipment and louvered openings through walls with
ducts between engine radiators and openings. Intake louvers
should have at least twice the the total radiator area of
the generating equipment. Provide 500 gal. day tank with
dual pump from main storage tank. Install 1/2" supply and
return lines from day tank to no-break generator. Reconnect
fuel piping to 200 KW diesel units. Install GEE engine
silencers to outside of building including all supports and
weather seals.
MISCELLANEOUS DATA
1. Weight of no-break unit is approximately. 26,000
lbs. supported at (6) points on 12" X 12" steel plates.
2. Weight of 200 KW generators is approximately.
11,000 lbs. and is supported at 6 points on 6" X 6" steel
plates.
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STB'1i[ NO. 2
Revised 7 February 1966
1. DESCRIPTION
A split bus system fed by two commercial line breakers to separate buses
which will hereafter be refered to as Bus # 1 and Bus # 2. Bus # 1 vill be
the prefered bus. Operating voltage 120/2083 phase 4 wire 60 cycle.
A no break generator set will feed bus 1 only, and two auto-start gener-
ators will feed both buses through breakers. Incoming and all generator
breakers will be electrically operated and interlocked to provide the following
_.sequence of operations.
NORMAL OPERATION
(1) Commercial line breakers closed to bus 2 and no break input.
(2) NO-break generator output breaker closed to bus 1.
(3) Auto-start generator breakers open and both generators
set to automatic operation. 2 each 235 XW.
B. FAILURE
(1) In event voltage and frequency of any incoming phase falls
below 90% (adjustable) and remains there for an adjustable period of time
up to 15 seconds, the commercial line breaker to bus 2 will be tripped to
open and pro-selected generator signalled to start.
(2) After the generator comes up to speed and voltage, its breaker
viii close onto bas 2.
(3) Bus 1 vill be fed by no break unit and no outage on this bus
should have occured.
() If bus 1 should experience a voltage drop below 190 volts, or
a frequency drop below 58.5 cps, the no break breakers vill be tripped to
open and the auto-start g neritor in operation will be closed onto bus 1,
x
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Indicating lights, commercial breaker position, red closed, green open
Voltage and frequency sensing, commercial line and bus 1 v/
delay circuits
Indicating light, commercial power available all phases
Breakers, incoming commercial power to bus 1 and 2 with controls
i6oo amp frame, adjustable trip, Westinghouse DB-50
Breaker, commercial power to no break 640 amp frame. Westinghouse
DB-25
B. GEAERATORS
Breakers, no break feed to bus 1, 600 amp frame Westinghouse DB-25.
Breakers, generatorsto bus 1 and 2, 1600 frame Westinghouse DB-50
Indicating lamp showing no.break fail
Indicating lamps shoving breaker position, red closed, green open
Switch, engine selection OF7-1-2
Switch, engine to bus control OFF-Bus 1 to Gen 1 -'Bus 2 to Gen 2
Switch, momentary, back to commercial
Switch, eliminate commercial power to bus 1
Reverse power relays
Switch, auto-manual breaker operations
Switch, remote breaker operator, load bank to generators, keyed.
C. REMOTE PANEL
Freq meter 55-65 cycles
Freq meter switch 3 pos. OFF-Bus 1 - Bus 2
Voltmeter 0-300 V
Voltmeter switch 8 pos. Bus 1 OFF-1-2-3 Bus 2 OFF-1-2-3
Indicating light - Commercial power available all phases
Indicating light - No break running, green
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Revised 7 February 1966
or the second auto-start generator will be signalled to start and it
closed onto bus 1 after it has reached operating speed and voltage.
This choice will be made by the positioning of a selector switch mounted
on the switchgear. An indicating lamp vill light showing failure of the
no break systems.
C. RETURN TO NORMAL
After the commercial power has returned to 95% (adjustable) voltage
on all phases and frequency and remains there for 30 min. (adjustable 0-30),
an indicating lamp will light and a momentary switch may then be depressed
when desired. This switch will trip the auto-start generator breakers to
bus 2 and reclose the commercial breaker to bus 2. If the no break generator
has failed the auto-start generator breaker feeding bus 1 vill be opened and
the oomeaercial line breaker to bus 1 will be closed also. A switch will be
provided to prevent this last operation if it is desired to maintain an auto-
start generator feeding bus 2 rather than commercial power.
D. MANUAL
An auto-manual switch will be provided to elisinate the automatic
operation and allow full manual (electric) operation of all breakers.
2. INSTRIAKKNTS
A. COMMERCIAL POWER
Frequency meter 55-65 cycles
Kilowatt hour demand meter'
Ammeter 0-1500A
Ammeter switch 3 phase 4 pos. OFF-1-2-3
Voltmeter 0-300
Voltmeter switch 3 phase 4 pos. OFF-1-2-3
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Indicating light - No break fail, red
Indicating lights breaker positions
Switch, back to commercial power
Indicating light, Auto-gen fail, red.
DISTRIBUTION
Bustl
2 each 4o0AF, 250AT
2 each 400AF, space only, less breaker
Bas if 2 ~F IWO5 aA%
2 each l+OOAF, 400AT ~? N~
1'
2 ea22W., 100AT 4/0 A -'AV TZ
2 each 225AF, space only, less breaker 2 each 400AF, space only, less breaker Al
A~ "r FEU 6
E. LQAD BANK ~ 4 r`.. > ?"
A 250 KW load bank for remote location will be provided and fed
from each generator breaker. Line operated moulded case 800A breakers will
be provided as part of load bank, controlled from the switchgear and inter-
locked to allow one generator at a time to feed load bank but with provisions
to parallel if required. The load bank will have 5 switched steps of 50 XW
each, be suitably protected, forced air cooled (vertically or horizontally)
and for installation outdoors at maxdw ambient temp of 1er.
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