Reading an old accident report the runway had the following characteristics.
Runway 26 2160mx46
Landing threshold of 26 was 504ft above mean sea level. Upward slope gradient of 1-66 for the first 500m then level at 525ft before dropping to 514ft.
From memory years later the 26 end was raised by building up the layers of tarmac to deduce the hump in the middle. Also the shear drop at the 26 end was removed and a more gentle slope was put in.