The pit should be 6 to 8 in. (152.4 to 203 mm) deep and approximately 8 ft
(2.44 m) wide. The pit extends the full width of the range. If silica dust
cannot be eliminated by the ventilation system or by the use of wetted send,
the sand pit is prohibited.
220.127.116.11 Water Pit. A water pit may be constructed using the same dimensions
as a sand pit except deep enough to hold 10 to 12 in. (254 to 304.8 mm) of
water for pistol calibers and a minimum of 24 in. (609.6 mm) of water for
centerfire rifle calibers. Water is safer from a lead and silica-dust
pollution standpoint. Consideration should be given to the addition of common
laundry bleach to the water to retard algae growth.
Communication System. This system will communicate between range
officer and shooters. A wireless system uses a standard two-way public
address system in conjunction with headsets serving also as ear protection.
Options include booth-mounted, wired, two-way speaker systems. A minimal
system will be a two-way speaker system with one speaker serving every four or
five firing stations.
Target Carrier Systems. Commercially available retractable
carrier systems eliminate the hazard of anyone going downrange during
operation and improve range operating efficiencCarrier and target
may be manual, of a type that can be converted to electric when funds
Shooting Booths. Commercially available shooting booth partitions
provide for safety of the shooter. Shooting booths shall not extend more then
18 in. (457.2 mm) behind the firing line to avoid restricting the view of the
18.104.22.168 Turning Targets. Automatic target turning mechanisms shall have
provisions for programming any time limit for target exposure times including
3, 5, 10, 15, and 20 seconds. Manually controlled targets are acceptable for
infrequently used ranges.
The following should be considered:
22.214.171.124 Additional Building Facilities.
a) Toilet facilities when piped water and drains are available.
b) Drinking fountain.
c) Bulletin board.
d) Range control room or platform, control consoles, chairs, and
e) Emergency eyewash, if weapons cleaning capability is included.