(side elevation) (4-57)
FRAME 4-58.
The critical span is the span with the least load-carrying capacity. It is sketched in cross section which shows
details of construction.
A cross-section is drawn show construction details of the ___________________________________________
______________________________ ,which is the span with the least _____________________________________
_________________ ___________________ .
(1251; identify; locate; characteristics) (4-85)
FRAME 4-86.
In the next six items, the ford is described in detail. The description includes the composition of the bottom,
nature and slope of the approaches, type of pavement (if any), the width of the ford, and any hazards that might
exist.
Items 12 through 17 provide a _________________________ of the ford.
4-4
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