ENCLOSED IS OUR VERSION OF SECTION 7 OF THE PURCHASE DESCRIPTION THAT COVERS THE ACCEPTANCE TESTING FOR THE MODEL 1 UNIT.

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-03642A001600040007-3
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 8
• Document Creation Date: December 27, 2016
• Document Release Date: September 18, 2012
• Sequence Number: 7
• Publication Date: June 29, 1960
• Content Type: LETTER

Declassified in Part - Sanitized Copy Approved for Release 2012/09/18: CIA-RDP78-03642A001600040007-3
Dear Sir:
June 29, 1960
CONFIDENTIAL
Enclosed is our version ofSection 7 of the Purchase Description
that covers the acceptance testing for the Model 1 unit.)
We would appreciate any comments which you or your associates might
care to make with regard to the desCribed procedure. We shall be glad to
submit copies of this section to
ABW:mlm
Enclosure
In Triplicate
if you so desire.
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CONFIDENTIAL
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(Section 7 of Purchase Description)
Rejection
7.1 Functioning Tests
Each Incinerator Assembly (Drawing No. 354-100) shall be subjected
to separate functioning tests -prior to acceptance. Proper func-
tioning of one Incinerator Assembly shall not constitute a basis
for aver-all acceptance of the entire lot. Functioning tests shall
be conducted in two parts: (1) cold air-flow tests, and (2) paper-
burning test
7.1.1 Cold Air-Flow Tests
Each Incinerator Assembly, with Blower (Drawing No. 354-437),
shall be connected temporarily to an electrical outlet
providing 220-volt, 60-cycle, 3-phase current. The Manometer
shall be filled with water (with or without dye) and con-
nected by the Rubber Tubing to the Pressure Tap Fitting at-
tached to the Bottom Assembly Outer Shell (Drawing
No. 35)4-103). The cold air-flow tests shall be made while
the Incinerator Assembly is empty, in order (1) to check for
leaks at the gasketed joints, and (2) to measure the
plenum-chamber pressure, which is an indication of the over-
all satisfactory condition of the flow passages such as the
louvers in the Top Liner Assembly (Drawing No. 35)4-104), the
Liner Middle Section Assembly (Drawing No. 354-105), and
the Liner Bottom Section Assembly (Drawing No. 35)4-113); the
CONFIDFNTIAL
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Nozzles (Drawing Nos. 354-333, 35)4-334, and 354-335); and
the Flexible Duct (Drawing No. 354-434) and the damper,
comprised of the Damper Housing Assembly (Drawing No. 354-209),
the Butterfly Assembly (Drawing No. 354-202), the Damper
Shaft (Drawing No. 354-314), and a few minor parts.
To check for leaks, the Blower shall be turned on and the
damper opened by moving the Handle Assembly (Drawing
No. 354-112) to the "Operating" position* on the Control
Plate (Drawing No. 354-306). The inspector shall then check
for air leaks at each of the gasketed joints of the
Incinerator Assembly. Initially, the inspector shall check
for air leakage by passing his bare hand along each gasketed
joint. Leakage thus detected shall be judged excessive if
the flame from a lighted "paper book" match is extinguished
when held within al-inch distance of the source of leakage.
Excessive leakage of air at any of the gasketed joints shall
be corrected by appropriate measures before the cold air-
flow testing is continued.
To measure the plenum-chamber pressure, the Blower
shall be turned on and the damper set at the "Operating"
position as described above. Under these conditions, the
internal air pressure in the lower plenum chamber, as
indicated by the Manometer, shall be between 6.0 and 7.0
*The "Operating" position corresponds to the fifth notch. The first notch
represents the "Closed" position; the second notch, "1/4 Open"; the third
notch, "1/2 Open"; and the fourth notch "3/4 Open".
co
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inches of water. If the pressure is not within this range,
the inspector shall examine all air-flow passages, as
described above, to determine the cause. Any errors or
defects stemming from the manufacture of the Incinerator
Assembly that contribute to internal pressures outside the
range of 6.0 to 7.0 inches of water shall be corrected by
the manufacturer. The measurement of the plenum-chamber
pressure shall then be re-run before proceeding with the
paper-burning test.
7.1.2 Luer-Burning Test
The paper-burning test shall consist of burning 500 pounds
of selected paper during a period of 2 hours. Prior to the
burning test the Thermocouple shall be inserted into the
fitting on the stack; the bead of the Thermocouple shall be
located at the center of the stack. The Temperature-Indica-
ting Instrument (Sim-Ply-Trol) shall then be properly con-
nected to the Thermocouple with the Extension Lead Wire.
A supply of reasonably dry paper shall be obtained and
used for the burning test. Typical paper from discarded of-
fice files, such as Bond and onionskin typing paper, file
cards, and file folders (excluding newspapers or telephone
books) shall be considered suitable.
At the beginning of the burning test, the Door Assembly
(Drawing No. 354-114) shall be opened and 50 pounds of mixed
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.1. I
papers shall shall be loaded into the Incinerator Assembly. A
few crumpled sheets of paper shall be ignited and scattered
over the paper charged; the Door Assembly shall be closed and
the Blower turned on. During the first 3 to 5 minutes, the
Handle Assembly shall be advanced gradually from the "Closed"
to the "Operating" position on the Control Plate while the
? inspector observes the progress of ignition. When ignition
is well established, intermittent feeding of 15-pound batches
of paper shall be started. Each of the thirty 15-pound
batches shall be fed by (1) quickly moving the Handle As-
sembly to the "Closed" position; (2) opening the Door Assembly;
(3) charging the paper; (4) closing the Door Assembly; and
(5) moving the Handle Assembly quickly to the "1/2 Open"
position (third notch), and then gradually to the "Operating"
position (fifth notch), so as to avoid suddenly reaching ex-
cessive stack-gas temperatures above 1800 F. Successive
batches shall be fed at intervals of about 3 minutes, or less,
depending on the rate of burning; the pile of paper in the
incinerator shall not be allowed to decrease below the initial
level (corresponding to the first 50 pounds) or to increase
above a level approximately 6 inches below the bottom Of the
loading opening in the Liner Middle Section Assembly.
Near the end of the burning test, the slow burning
residue shall be stirred once by manual poking, to obtain more
rapid and complete burnout. If observation indicates that
DENTAL
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burning has stopped, any unburned paper or char shall be re-
ignited Once and the burning continued at low air flow (with
the Handle Assembly at the "1/4 Open" or "1/2 Open" position)
for final burnout.
7.2 Results of the burning test shall be considered satisfactory by
the inspector and each Incinerator Assembly shall be acceptable if
the following conditions are achieved:
(1) Incineration of 500 pounds of paper shall be
completed in 2 hours.
(2) The residual charred paper, excluding the ash
which remains at the end of the 2-hour test period,
shall not exceed 1-1/2 pounds in weight.
(3) Any pieces of charred or raw paper carried out in
the stack gases shall be no larger than that which
would pass freely through the mesh openings of
the Basket Assembly (Drawing No. 354-111).
(4) All movable parts associated with the loading door,
that is, with the Door Assembly, Frame Assembly (Draw-
ing No. 354-207)) and Latch Assembly (Drawing
No. 354-215), and with the damper, that is, with
the Damper Housing Assembly) the Butterfly Assembly,
and the Damper Shaft, shall function properly, as
intended.
If any one of the above conditions is not met during the
test, the malfunction which, is attributable to improper
'Uld:NTt
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fabrication, assembly, and/or workmanship shall form the basis for
rejection. Rejection shall not preclude the manufacturer from
correcting the conditions which form the basis of rejection, and
from reworking a rejected part to remedy such defects for
resubmission to inspection and test. However, all units and parts
so reworked shall be so indicated to the inspector.
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