How to extract alphanumerics from R/3 to BW?

Hi

when I'm extracting the Alphanumerics from R/3 to BW(ODS) then, only Numerics are coming to BW & Alpha's are not coming.

I got a dout wheather their are any routines & i checked Routines are not their.

IN CATSDB table for the field RPROJ the data is Numerics but when we select ALV grid display the data is ALPHANUMERICS.That data i want to extract to BW.

can any one PLZ help me. URGENT.

Rgds

Narendra