Page 410 - Planning and Design of Airports

Remarks = 0.015 n See accumulated runoff computed below. Accumulated runoff adjustment negligible.

Invert Elevation 81.52 81.04 78.00 73.80 68.52 63.20 56.60

Capacity of Pipe, ft 3 /s 5.0 5.0 20.0 30.0 33.0 37.5

Slope of Pipe, ft/ft 0.008 0.008 0.010 0.012 0.014 0.020

Size of Pipe, in 15 15 24 27 27 27

Velocity of Drain, ft/s 4.0 4.0 6.2 7.4 8.0 9.5

Accumulated Runoff, ft 3/ s 4.55 4.60 17.90 25.13 30.70 36.24 Drainage System Design Data

Runoff Q ft 3 /s 4.55 4.60 9.56 7.23 5.57 5.54 Source: Federal Aviation Administration [2].

Inlet 5A 5 4 3 2 1 Outlet TABLE 9-3

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