A 10” pipe branch is taken from 12” pipe header .
Service : Cooling water
Pipe MOC : Galv CS A53 FBW/ A53 B/ API 5LB ( Galv is for small bore viz. upto 2” only )
Corrosion Alwc : 0.125”
T & Pr : -20 F to 366 F @ 150 psig
Piping Specification requires stub – in connection for 12” x 10” .
Caeser II software requires Pad .
PDS software shows RWELD without Pad .
Pl. give the correct procedure & share info regarding pad requirement for Stub – in / out connections .

Thanks