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 MIL-HDBK-1027/3B
Change 1, 30 June 1995
NOTE: SAFETY ARCS FOR PARALLEL UNBERMED RANGES MAY OVERLAP
AS, SHOWN, BUT NOT CLOSER THAN 45 m TO THE ENTRY POINT FOR
THE TARGET PITS ON THE ADJACENT RANGE ANOTHER SPACE. WHEN THIS
IS NOT POSSIBLE AND THE REQUIREMENT EXISTS FOR SIMULTANEOUS
OPERATION OF ADJACENT RANGES, A SEPARATING WALL OR EMBANKMENT
WILL BE REQUIRED. THE LENGTH OF THE WALL OR EMBANKMENT
SHALL BE FROM THE MOST DISTANT FIRING LINE TO THE TARGET PITS.
THE WALL MAY BE 200 mm THICK CONCRETE, 300 mm
THICK CONCRETE MASONRY-GROUT FILLED OR EQUIVALENT.
Figure 2.2-8
Parallel Ranges
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