Liquid butane pipeline

[omli]

HI

AFTER CLEANING AND DRYING OF A 7 Km PIPELINE DESIGNED TO TRANSPORT LIQUID BUTANE AT 9 BARS WE HAVE TO OPERATE THIS LINE WHO TO DO?
WHAT IS THE PROCEDURE OF COMISSIONING OF THIS LINE? NOW THE LINE IS AT ATM PRESSURE AFTER THE DRYING PHASE USING DRY AIR

PLEASE DETAILED PROCEDURE PLEASE HELP....

[ishaksaban]

i don't know. and need to know asap