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Change 1, 30 June 1995
expected to be discharged (firing line by definition).  This canopy shall
begin at least 1.0 meter behind the firing line. General structural
requirements may dictate more distance.  The canopy shall extend forward a
distance (4 meters minimum) that will work geometrically with the first OB in
preventing a weapon from firing directly out of the range.  See Figure 2.2-9.
Note the prone firing location (LLF).  The canopy shall be constructed of
ballistic material with sacrificial cladding as defined in par.
Sound reduction ceiling waffles should be considered.  The minimum elevation
of the lowest point is to be 0.60 meter above UFL (plus 2.45 meters FLFS).
Weather roofing is required above the ballistic material.  Slope roof to
c)  Benches.  Continuous benches or individual trays may be provided
to hold ammunition and weapons.  Do not place the trays in a position to
encourage unsafe weapon handling.
d) Partitions.  Partitions between shooting positions may be
provided if the user requests.
e)  Shed Roof.  On Type "0" ranges any structurally sound roof may
be provided for weather protection if the user requests.
f) Visual Area.  The RSO shall have unrestricted view of the entire
firing line from his control position. Side Containment.  For range types "PB" and "FB" (Figures 2.2-4 and
2.2-5), the top elevation of the side containment shall geometrically mate
with the overhead baffles to be high enough to prevent any direct fire from
exiting the range.  Full height side containment will extend 1.0 meter to the
rear of the FL.  Locate the side containment at least 3 meters outboard of the
centerline of the outermost firing lane.  Construction may be in the following
a) Earth Berm.  Construct to an inside side slope of 1.0v to 1.5h.
If native soil characteristics will not produce a stable slope at this angle,
provide geotechnical fabric reinforcement in the fill. Top width of berm
shall be 3 meters.  No rocks are permitted in the top 1 meter of the inside
surface.  Slopes on the outside may be whatever is consistent with the native
soils.  Vegetate appropriately for erosion control and maintenance.
Generally, earth berms cannot be used on Type "FB" SAR's, however berms are
permissible if the SAR is small and the overhead baffle and berm geometry
intercept RC.
b) Continuous Walls.  Construct of ballistic material (par. and structurally capable of withstanding local weather and seismic
conditions.  Provide sacrificial cladding (par. to 4 meters forward
of the FL and 1 meter behind the FL.  Continuous walls are preferred for Type
"FB" ranges.

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