Guidelines for Site Survey/ Hazard Requirements for Drilling Units
For an area where no previous knowledge of jack-up penetration / sub-bottom information is available the location must be cored, this may be done by a coring vessel prior to rig arrival or from the rig upon positioning at the location.
1. independent leg jack-up rigs A) Location
Area, block name or number, Latitude, Longitude.
B) Bathymetry
A Bathymetric survey of location covering at least one square kilometre with line spacing not exceeding 100 metres with interlines at 25 metres close to location to . . .