ASTM C1661-13

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: C1661 − 13
Standard Guide for
1
Viewing Systems for Remotely Operated Facilities
This standard is issued under the fixed designation C1661; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.2.2.3 The facility can be viewed directly but portions of
the views are restricted (for example, the back or underside of
1.1 Intent:
objects) or where higher magnification or specialized viewing
1.1.1 This guide establishes the minimum requirements for
is beneficial.
viewing systems for remotely operated facilities, including hot
1.2.3 The remote viewing equipment may be intended for
cells (shielded cells), used for the processing and handling of
either long-term application (commonly, in excess of several
nuclear and radioactive materials.The intent of this guide is to
years) or for short-term usage (for example, troubleshooting).
aid in the design, selection, installation, modification,
Bothtypesofapplicationsareaddressedinsectionsthatfollow.
fabrication, and quality assurance of remote viewing systems
1.2.4 This guide is not intended to cover the detailed design
to maximize their usefulness and to minimize equipment
andapplicationofremotehandlingconnectorsforservices(for
failures.
example, electrical, instrumentation, video, etc.).
1.1.2 It is intended that this guide record the principles and
1.2.5 The system of units employed in this guide is the
caveatsthatexperiencehasshowntobeessentialtothedesign,
metricunit,alsoknownasSIUnits,whicharecommonlyused
fabrication,installation,maintenance,repair,replacement,and,
for International Systems, and defined by ASTM/IEEESI 10,
decontamination and decommissioning of remote viewing
StandardforUseofInternationalSystemofUnits.Somevideo
equipment capable of meeting the stringent demands of
parameters use traditional units that are not consistent with SI
operating, dependably and safely, in a hot cell environment
Units but are used widely across the industry. For example,
where operator visibility is limited due to the radiation expo-
videoimageformatisreferredtoin“inch”units.(SeeTable1.)
sure hazards.
1.1.3 This guide is intended to apply to methods of remote 1.2.6 Lens and lens element measurements are always in
viewing for nuclear applications but may be applicable to any millimeter(mm)units,evenwhereSIUnitsarenotincommon
environment where remote operational viewing is desirable. usage, as an industry practice. Other SI Units (for example,
cm) are rarely used for lenses or lens elements.
1.2 Applicability:
1.2.7 Unless otherwise mentioned in this guide radiation
1.2.1 This guide applies to, but is not limited to, radiation
60
exposure refers to gamma energy level in terms of Co
hardened and non-radiation hardened cameras (black- and-
exposure, and absorbed radiation dose Gy/h (rad/h) refers to
white and color), lenses, camera housings and positioners,
instantaneous rates and not cumulative values.
periscopes, through wall/roof viewing, remotely deployable
cameras, crane/robot mounted cameras, endoscope cameras,
1.3 User Caveats:
borescopes, video probes, flexible probes, mirrors, lighting,
1.3.1 Thisguidedoesnotcoverradiationshieldingwindows
fiber lighting, and support equipment.
used for hot cell viewing. They are covered separately under
1.2.2 This guide is intended to be applicable to equipment
Guide C1572.
used under one or more of the following conditions:
1.3.2 This guide is not a substitute for applied engineering
1.2.2.1 The remote operation facility that contains a signifi-
skills, proven practices and experience. Its purpose is to
cant radiation hazard to man or the environment.
provide guidance.
1.2.2.2 The facility equipment can neither be accessed
1.3.3 The guidance set forth in this guide relating to design
directly for purposes of operation or maintenance, nor can the
of equipment is intended only to inform designers and engi-
equipment be viewed directly, for example, without shielding
neers of these features, conditions, and procedures that have
viewing windows, periscopes, or a video monitoring system.
been found necessary or highly desirable to the design,
selection, operation and maintenance of reliable remote view-
ing equipment for the subject service conditions.
1
This guide is under the jurisdiction ofASTM Committee C26 on Nuclear Fuel
1.3.4 The guidance set forth in this guide results from
Cycle and is the direct responsibility of Subcommittee C26.14 on Remote Systems.
operational experience of conditions, practices, features, lack
Current edition approved Jan. 1, 2013. Published February 2013. Originally
of features, or lessons lea
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