ASTM F1846-98(2003)
(Practice)Standard Practice for Symbols and Markings for Use With Land Search Maps
Standard Practice for Symbols and Markings for Use With Land Search Maps
SIGNIFICANCE AND USE
The base map and overlays are used in managing a search by graphically tracking progress, resource allocation, and results. Standard symbols and markings allow a person to visually scan the map to obtain the status of the search without the need for a briefing or reading search documents.
Overlays are used for symbols which are likely to change during the search, that will cover other symbols or base map features, to prevent marking the base map, and to avoid too many markings at one time.
The symbols and colors have been chosen to be compatible with the symbols defined in Incident Command System Field Operations Guide ICS-420. This compatibility is either exact (for example, incident command post) or functional (for example, search area boundaries).
SCOPE
1.1 This practice covers the symbols and markings to be used with land search maps to show resources, search coverage, status and results.
1.2 Operational usage of these symbols and markings, the resources they represent, and maps is not included in this practice.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
General Information
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Standards Content (Sample)
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Designation:F1846–98 (Reapproved 2003)
Standard Practice for
Symbols and Markings for Use With Land Search Maps
This standard is issued under the fixed designation F 1846; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope visually scan the map to obtain the status of the search without
the need for a briefing or reading search documents.
1.1 This practice covers the symbols and markings to be
4.2 Overlays are used for symbols which are likely to
used with land search maps to show resources, search cover-
change during the search, that will cover other symbols or base
age, status, and results.
map features, to prevent marking the base map, and to avoid
1.2 Operational usage of these symbols and markings, the
too many markings at one time.
resources they represent, and maps are not included in this
4.3 The symbols and colors have been chosen to be com-
practice.
patible with the symbols defined in Incident Command System
1.3 This standard does not purport to address all of the
Field Operations Guide ICS-420. This compatibility is either
safety concerns, if any, associated with its use. It is the
exact (for example, incident command post) or functional (for
responsibility of the user of this standard to establish appro-
example, search area boundaries).
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
5. Procedure
2. Referenced Documents 5.1 Symbols and markings for use on the base map or base
overlay shall be made in accordance with Fig. 1 and Table 1.
2.1 Incident Command System Publications:
Field Operations Guide ICS-420
TABLE 1 Resource Colors
3. Terminology
NOTE 1—Search crew are resources whose assignment will be carried
3.1 Definitions of Terms Specific to This Standard:
out on foot. Search patrols’ assignments are carried out by some other
3.1.1 base map, n—the master map or chart of the search means, such as by vehicle, horseback, boat, and so forth.
area, normally maintained at the incident base or command
Resource Color
post.
Search crew Green
3.2 base overlay, n—the map overlay on which are placed
Search dog crew Brown
Search patrol Red
the symbols and markings shown in Fig. 1 when it is desired to
Helicopter Blue
not mark on the base map.
Fixed wing aircraft Orange
3.3 map overlay, n—a transparent sheet placed over the
base map on which markings and symbols are made. Overlays
are used for symbols subject to change, to prevent marking the
5.2 Symbols and markings for use on overlays shall be
base map, or to avoid cluttering the base map.
made in accordance with Fig. 2 and Table 1.
5.3 Where words or letters are associated with a symbol,
4. Significance and Use
they shall be legible and as close to the symbol as possible.
4.1 The base map and overlays are used in managing a
Size and placement may vary depending on map scale, the
search
...
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