In March 1962 the longest runway (9/27, now 8R) was 7860 ft; runway 3 was 5505 ft and runway 15 was 7220 ft.
|Quoting atlamt (Reply 5):|
the airport was built over the Flint river which now runs under the field.
|Quoting Starlionblue (Reply 2):|
Apart from the cost of absolutely level grade (runways are thick and expensive as it is), there's drainage to thing about. Completely flat surfaces are not great in the rain.
|Quoting N126DL (Reply 9):|
Are they making a new taxiway intersection with 26L? I noticed the construction equipment last week during my stopover.
|Quoting rmoore7734 (Reply 6):|
How convenient to have the Flint as a natural run-off for drainage. Seems like the hilly north Georgia terrain is not so disadvantaged after all to have a major airport compared to board flat OKC airport. Makes you wonder how they manage the run-off from their airfield.
|Quoting jetmatt777 (Reply 11):|
Board flat? How so? Going off memory here, but one of our runways (17L/35R) is identified in a runway extension plan as requiring regrading midfield because of an elevation change -- if they lengthen the runway, the elevation change midfield would prevent seeing the other end of the runway from either side.
|Quoting rmoore7734 (Reply 12):|
I was on I-44 parallel to the field & it appeared board flat visually. Did not realize the nearly 20 foot plus change. But then again I was going probably 70 MPH thru there & glanced quickly at it. Thanks for clarifying. As a side note ended putting over 3000 miles plus on rental car going all over that state from top to bottom & east and west to the state borders doing a RF field survey.
|Quoting jetmatt777 (Reply 13):|
Oklahoma appears flat....but really the elevation changes are rolling hills and not the traditional cresting-hill, although we do have cresting-hills as well. (for lack of a better term) You don't realize how "not flat" Oklahoma is until you have an ice storm....and realize every single street is sloped up/down by pretty decent amounts. All perception!
|Quoting rfields5421 (Reply 15):|
On another thread about a year ago - someone said it was impossible to have a 100 ft elevation change on a runway - so I posted the LAS diagram - with 146 ft change on 7L/25R.