We`re doing a plant/pump room (chilled water) with 10" carbon down to 3/4" carbon. Will a generic ASME IX WPQR do for this?? and correct me if I`m wrong a 6" 6G test will cover me up to 10"?? and 3 No: 3/4" will be needed to qualify me for the 3/4". Will I also need a 2" test to be done to...