Section III. SUPPORT FACILITIES
responsible for shutting off the equipment in times of emer-
gency and at the end of the washing operation. This person
Adequate overhead and working-level lighting must be pro-
controls the pumps and valves, oversees cleanup, reports any
vided at CVWFs where users will be washing vehicles at night.
maintenance problems, and assures safe operations. At facilities
Overhead tower structures provide lighting for the staging
which have recycled water systems, the operator will also be
areas. Towers may be high- or low-mast, but must be located so
responsible for monitoring the treatment process.
as to provide total wash area coverage without interfering with
traffic. Wash station towers may have lighting fixtures for this
b. Control building. A building shall be provided to house
area as shown on figure 44. Lighting levels of at least 3 foot-
controls for the wash facility in one central location. A master
candles measured at ground level should be provided in the
control panel shall be installed to permit the operator to shut off
wash areas and at least one foot-candle at all points on the
all washing operations at one point. This design allows the
CVWF hardstand. Working-level, high-intensity, horizontal
operator to shut down the facility quickly and efficiently if
mounted flood lighting is provided at each wash station to
required. The building shall provide protection for the operator
reduce shadows on vehicle sides and to aid in inspection of
during inclement weather. Insulation, heating, ventilation, and
vehicles after washing. At least 5 foot-candles should be
air-conditioning may have to be provided for the control
provided in the wash area, measured at the extreme end of a
building at some installations. Latrines and potable water for the
vehicle. The two types of lighting should not be additive in
troops can also be included in the control building. A telephone
computing lighting intensity levels since one is a vertical
should be installed in this building to allow the operator to
projection and the other is a horizontal projection. No lighting
report O&M problems and emergencies. Figure 4-8 shows a
is provided at CVWFs where only daytime use is planned.
recommended layout, for the control building.
However, security lighting is always provided at entrance/exit
doors of each building and other locations as required. A
Location and design. The control building must be
selected portion of the tower fixtures may be used as security
located such that the operator can easily see wash-
ing operations at all wash stations. The entire
treatment system also should be visible from the
4-15. Physical security
control building. Latrines for troops and operators
Physical security consists of locks on building doors. The
and a lockable storage space can be included in the
CVWF usually is not fenced unless the user requests it for safety
building as required. An efficient design places the
and protection against vandalism. Fencing of the basin areas is
control panel in a second-story room above the
latrine and/or storage rooms (fig9). This allows
the operator to have a good view of all washing and
treatment operations. The operator should be able
Signs must be posted warning personnel not to drink the wash
to operate the control panel and still have a clear
water and directing them where potable water is available.
view of the operations. Depending on the orienta-
Traffic flow signs as well as pavement markings should be
tion of the facility and the control building, tinted
provided to ensure safe, effective use of the facility.
glass or sunscreens may have to be installed to
reduce glare which may inhibit the operator's view
4-17. Solid waste collection
of the wash facility or control panel. Area and
Commercial dumpsters should be located strategic points along
control-room lighting must not interfere with the
the edge of the preparation area for disposal of solid waste.
operator's visibility during nighttime operations.
Dedicated concrete pads adjacent to the pavement are preferred
to avoid damage to dumpsters and moving vehicles. Extra
Size. The control building must be sized to house
dumpsters may be required at the wash stations.
wash facility controls, building electrical and me-
chanical equipment, storage, and latrines for the
4-18. Operation and controls
wash facility in one location.
Equipment operating, maintenance, and repair manuals should
Protection. If the control building is to be located
be specified to be provided by the contractor at completion of
adjacent to vehicle movement, protective barriers
the construction contract.
must be installed at its comers. Other protective
barriers such as guard rails may also be required.
a. Operator. The requirement for an operator will depend on
the size and complexity of the CVWF. The operator is