As per jeppesen air traffic control 05 jun 09 revision , NADP B
from 300m(1000ft) to 900m(3000ft)
- continue to climb at NOT GREATER than Vzf+10kts
at 900m (3000ft)
-accelerate smoothly to enroute climb speed
so according to this, Vzf+10kts maximum still apply up to 3000ft above aerodome elevtion
regards