UFC 4-022-01
25 May 2005
To minimize the problem posed by such construction, anticipate future requirements in
the design. To facilitate the installation of future electronic systems, spare duct bank
and conduit should be run in a similar manner to that shown in Figure 6-7. At a
minimum, provide a system of underground concrete-encased PVC duct bank and
fiberglass/ composite hand-holes for distribution of power, control, and
communications/data wiring from the ECF control center (gatehouse) to each remote
device. If no detailed locations are pre-determined for remote devices, provide two
hand-holes located at either end of each primary channelization island, one at each
secondary channelization island, and similarly in the median. The layout should
assume that in the future an automation device will be positioned prior to the rejection
point located before the main identification checkpoint. Consider the possibility of
access control systems being used for recording outbound lane activity in addition to
inbound traffic identification.
6-10.4 General
Separate power and communications wiring in accordance with the National Electrical
Code (NFPA 70) and the National Electrical Safety Code (IEEE C2). Space should be
reserved in the gatehouse for the controls and electric panel boards associated with the
future control systems. The sites of ECFs are commonly congested and limited in size.
Therefore, provide transformers with less flammable insulating fluid in order to facilitate
the placement of the transformer closer to structures located in the ECF.
6-32
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