N-93 Critical (Sub-Critical) Facilities

Design Information Questionnaire - IAEA N-71, and Associated Forms N-72, N-73, N-74, N-75, N-91, N-92, N-93, N-94

IAEA N-93

Design Information Questionnaire - IAEA N-71, and Associated Forms N-72, N-73, N-74, N-75, N-76-, N-77, N-91, N-92, N-93, N-94

OMB: 3150-0056

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CRITICAL ( SUB-CRITICAL) FACILITIES
CONFIDENTIAL
WHEN COMPLETED

APPROVED BY OMB: NO. 3150-0056

DATE:
EXPIRES: (MM/DD/YYYY)

Estimated burden per response to comply with this mandatory collection request: 360 hours. NRC
is required to collect this information for reporting to IAEA from facility licensees appearing on the
U.S. Eligible List. Send comments regarding burden estimate to the FOIA, Privacy, and
Information Collections Branch (T-5 F53), U.S. Nuclear Regulatory Commission, Washington, DC
20555-0001, or by internet e-mail to [email protected], and to the Desk Officer,
Office of Information and Regulatory Affairs, NEOB-10202, (3150-0056), Office of Management
and Budget, Washington, DC 20503. If a means used to impose an information collection does
not display a currently valid OMB control number, the NRC may not conduct or sponsor, and a
person is not required to respond to, the information collection.

INTERNATIONAL ATOMIC ENERGY AGENCY
DEPARTMENT OF SAFEGUARDS AND INSPECTION

DESIGN INFORMATION
QUESTIONNAIRE *
(CONTINUED)

The "Confidential" marking on this form is for IAEA
purposes only. It indicates that the IAEA considers
the information in the completed form to be
'safeguards confidential' and is not to be confused
with any U.S. security classification.

IAEA USE ONLY

* Questions which are not applicable may be left
unanswered.

CRITICAL (SUB-CRITICAL) FACILITIES
GENERAL FACILITY DATA
13. NUMBER OF CRITICAL ASSEMBLIES IN
THE FACILITY AND THEIR LOCATION

N-93 (MM-YYYY)

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

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DATE:

GENERAL FACILITY DATA
14. EXPECTED MAXIMUM OPERATING POWER

15. (1)
(2)
(3)
(4)

MODERATOR,
REFLECTOR,
BLANKET,
COOLANT

NUCLEAR MATERIAL DESCRIPTION
16. MAIN TYPES OF NUCLEAR MATERIAL/
FUEL AND NOMINAL WEIGHT OF
NUCLEAR MATERIAL IN THE FACILITY

17. FUEL ENRICHMENT RANGE
AND PU CONTENT

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL DESCRIPTION
18. DESCRIPTION OF FUEL ELEMENTS
(for each type)

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

------

physical and chemical form of fuel;
geometrical form or type;
dimensions;
number of slugs per element;
nuclear material and fissionable
material and its quantity
(with design tolerance);
-- composition of alloy, etc.

19. CLADDING MATERIAL:
-- thickness;
-- composition of material;
-- bonding

20. SUB-ASSEMBLIES OF FUEL
(number of fuel elements per nuclear
assembly, arrangement of fuel elements in
sub-assembly, configuration and nominal
weight of nuclear material per sub-assembly
[with design tolerance])

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

21. BASIC OPERATIONAL ACCOUNTING UNIT
(fuel elements/assemblies, etc.)

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL DESCRIPTION
22. OTHER TYPES OF UNITS

23. MEANS OF NUCLEAR MATERIAL/FUEL
IDENTIFICATION

24. OTHER NUCLEAR MATERIAL
IN THE FACILITY
(each separately identified)

N-93 (MM-YYYY)

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DATE:

CORE
25. CORE DIAGRAM
DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:
(for each critical assembly showing the general
disposition, core support structure, shielding
and heat removal arrangements, channels for
fuel elements or sub-assemblies, control rods,
moderator, reflector, beam tubes, dimensions,
etc.)

26. RANGES OF CRITICAL MASS AND
MAXIMUM RADIUS

27. DESCRIPTION OF MOST COMMON
CONFIGURATIONS

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

28. AVERAGE MEAN NEUTRON FLUX IN THE
CORE:
Thermal:
Fast:
29. INSTRUMENTATION FOR MEASURING
NEUTRON AND GAMMA FLUX:
-- accuracy and type of principal instruments;
-- location of indicator and recorder;

30. RADIATION LEVEL OUTSIDE/INSIDE
SHIELDING AT SPECIFIED PLACES

RADIATION LEVEL DIAGRAM(S) ATTACHED UNDER REF. NUMBERS:

31. MAXIMUM RADIATION ACTIVITY OF
FUEL AFTER REFUELING
(at the surface and at a distance of 1 metre)

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL FLOW
32. SCHEMATIC FLOW SHEET FOR
NUCLEAR MATERIAL
(identification of:

FLOW SHEET(S) FOR NORMAL OPERATION ATTACHED UNDER
REFERENCE NUMBERS:

-- measurement points;
-- accountability areas;
-- inventory location, etc.
for operator purposes)

33, INVENTORY
State quantity range and approximate
uranium enrichment and plutonium
content for:
i)

Nuclear Material Storage(s)

ii)

Core Area(s)

iii)

Assembly Core(s) Itself

iv)

Other Locations

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL HANDLING
34. NUCLEAR MATERIAL
i)

Packaging
(description)

ii)

Storage Plan and Arrangements

iii)

Capacity of Storage

iv)

Nuclear Material Preparation
(description and identification of
layout and general arrangement)

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

35. FUEL TRANSFER EQUIPMENT, IF ANY

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

36. ROUTES FOLLOWED BY NUCLEAR
MATERIAL

DRAWING(S) ATTACHED UNDER REFERENCE NUMBERS:

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL HANDLING
37. MAIN EQUIPMENT USED FOR
i)

Nuclear Material Assembling

ii)

Nuclear Material Testing

iii)

Nuclear Material Measuring

PROTECTION AND SAFETY MEASURES
38 BASIC MEASURES FOR PHYSICAL
PROTECTION OF NUCLEAR MATERIAL

N-93 (MM-YYYY)

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DATE:

PROTECTION AND SAFETY MEASURES
39. SPECIFIC HEALTH AND SAFETY RULES
FOR INSPECTOR COMPIANCE
(if extensive, attach separately)

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
40. SYSTEM DESCRIPTION
Give description of:

SPECIMEN FORMS USED IN ALL PROCEDURES ATTACHED
UNDER REFERENCE NUMBERS:

-- the nuclear material accountancy system;
-- the method of recording and reporting
accountancy data;
-- the procedures for account adjustment
after inventory and correction of
mistakes, etc.
under the following headings:
i)

General

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
40. SYSTEM DESCRIPTION
(Continued)
i)

General (continued)

ii)

Receipts

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
40. SYSTEM DESCRIPTION
(Continued)
iii)

Shipments

iv)

Physical Inventory
LIST OF MAJOR ITEMS OF EQUIPMENT REGARDED AS NUCLEAR
MATERIAL CONTAINERS ATTACHED UNDER REFERENCE NUMBERS:
Description of procedures, scheduled
frequency, methods of operator's
inventory taking (both for item and/or bulk
accountancy), including relevant assay
methods and expected accuracy, access
to nuclear material, methods of
verification of nuclear material in the core

v)

Operational Records and
Accounting Records
(including method of adjustment or
correction and place of preservation
and language)

41. HOW OFTEN IS CORE DISASSEMBLED TO
PERMIT THE VERIFICATION OF
CONTAINED NUCLEAR MATERIAL?

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
42. FEATURES RELATED TO CONTAINMENT
AND SURVEILLANCE MEASURES
(general description of applied or possible
measures)

43. FOR EACH MEASUREMENT POINT OF
ACCOUNTABILITY AREAS, IDENTIFIED
UNDER QS. 32, GIVE THE FOLLOWING
(if applicable)
i)

SEPARATE SHEET(S) CAN BE ATTACHED FOR EACH
MEASUREMENT POINT
IF NECESSARY, ATTACH DRAWING(S)

Description of Location, Type,
Identification

ii)

Anticipated Types of Inventory
Change and Possibilities to
Use This Measurement Point for
Physical Inventory Taking

iii)

Physical and Chemical Form of
Nuclear Material
(with cladding materials description)

iv)

Nuclear Material Containers,
Packaging

v)

Sampling Procedure and
Equipment Used

N-93 (MM-YYYY)

IF NECESSARY, ATTACH DRAWING(S)

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CRITICAL ( SUB-CRITICAL) FACILITIES

DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
43. FOR EACH MEASUREMENT POINT OF
ACCOUNTABILITY AREAS, IDENTIFIED
UNDER QS. 32, GIVE THE FOLLOWING
(if applicable)
(Continued)
vi) Measurement Method(s) and
Equipment Used

vii)

Source and Level of Random and
Systematic Errors
(measurements)

viii) Technique and Frequency of
Calibration of Equipment Used

ix)

Method of Converting Source Data
to Batch Data

x)

Means of Batch Identification

xi)

Anticipated Batch Flow Rate Per Year

xii)

Anticipated Number of Items Per Flow
and Inventory Batch

N-93 (MM-YYYY)

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DATE:

NUCLEAR MATERIAL ACCOUNTANCY AND CONTROL
43. FOR EACH MEASUREMENT POINT OF
ACCOUNTABILITY AREAS, IDENTIFIED
UNDER QS. 32, GIVE THE FOLLOWING
(if applicable)
(Continued)
xiii)Type, Composition and Quantity of
Nuclear Material Per Batch
(with indication of batch data, total
weight of nuclear material in item,
the isotopic composition (for uranium),
and Pu content, when appropriate;
form of nuclear material)

xiv)Features Related to ContainmentSurveillance Measures

OPTIONAL INFORMATION
44. OPTIONAL INFORMATION
(that the operator considers relevant
to safeguarding the facility)

Signature of Responsible Officer:

Date:
N-93 (MM-YYYY)

CONFIDENTIAL

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