TM5-803-14
Figure 6-6. Landscaped Area in Proportion to Paved Area
(a) Maintain a relatively constant grade
(h) Never trap water in corners.
(i) Provide sufficient spot elevations to move
across the lot while providing enough slope and
water off the lot.
adequate spot elevations to properly direct drain-
age off the lot or to drainage inlets.
water off the lot.
(b) Use islands and medians to accommo-
(6) Lighting. Parking lots should be illumi-
date topographic change between the access drive
nated for traffic safety and security. Uniform
and parking areas or between different parking
coverage should be provided across the lot. TM
levels.
5-811-1 provides guidance on lighting parking
areas.
lots into swales in surrounding grassed areas.
(7) Pavement Marking and Signage. The Man-
(d) Control runoff with curbing and direct it
ual on Uniform Traffic Control Devices for Streets
to the sides and corners of larger (more than 100
and Highways (ANSI D 6.1e) provides guidance on
spaces) and/or steeper lots.
pavement marking and signage.
(e) Avoid channelling of sheet flow.
c. Parking Structures. Parking structures may
(f) Avoid ponding water.
be separate buildings or built underground in
(g) Avoid creation of an impoundment zone
conjunction with other building development. For
in the center of the lot.
6-7
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