Wingtip- for all turbojet/fan aircraft, company specific procedures override whatever individual runway noise procedures are published (they will have been previously inspected and approved by the FAA). Thus company performance manuals should publish what you need to know. Following the SID is usually enough! For 'heavy' jet operations, the <250kts below 10,000'> limitation does not apply- we fly the comfortable 'minimum' speed below 10,000' in the US- on a 747-400 it's somewhere around 280 kts.