So that it is possible for you to use T-DRILL , we have secured these and many more state and local Codes.
ASME B31.9 2004*
BUILDING SERVICES PIPING
Section 930.2 Mechanically Formed Extruded Outlets in Copper Tube
OTHER CODES AND COMPLIANCES
ASTM Designation: F 2014-00 Standard Specification for Non-Reinforced Extruded Tee Connections For Piping Applications
ASME B31.5c -1992 - Refrigeration Piping
IAPMO PS 85-95 - Tools for Mechanically Formed Tee Connections in Copper Tubing
International Plumbing Code 2006, 2003. 2000 – Section 605.5.1 Mechanically Formed Tee Fittings
International Mechanical Code 2006,2003. 2000 - Section 1203.3.8 Mechanically Formed Tee Fittings
Uniform Plumbing Code 2006, 2003. 2000. 1997 Section 606.1. Mechanically Formed Tee Fittings
Uniform Mechanical Code 2006, 2003. 2000. 1997 - Section 1201.1.2.4.2.1 Mechanically Formed Tee Fittings
Canadian Plumbing Code - Section 3.3.2(1) Extracted Tees
NFPA 99 - Section 4.3.2.2.2 Vacuum System Piping Network (F)
MasterSpec (AlA) Basic 15060 - Mechanically Formed Tee Connectors
IAPMO - File # 1935 Since 1979
National Standard Plumbing Code - Section 4.2.8.2 Mechanically Formed Tee
U.S. ARMY CORPS OF ENGINEERS - (Since 1983) Section 15P1, Plumbing 12.43, HVAC 15601.2, Oil and GAS Heating 15601.3 Copper Tube Extracted Joint
Naval Facilities Engineering Command (Since 1990) - Section NFGS 15400 Plumbing 3.1.7 Copper Tube Extracted Joint
Veterans Administration (Since 1984) - Section 15400 Plumbing, 15501 Sprinkler, 15705 HVAC, 15651 Refrigeration Copper Tube Extracted Joint
ASPE Data Book - Volume 4 - Chapter 2 Mechanically Formed Tee Fittings
Epcot Plumbing Code - Section 605.15.5 Mechanically Formed Tee Connections *(Revision of ASME B31.9 - 1996) ASME Code for Pressure Piping, B31
The Codes are written by engineers, building officials and inspectors. If they had observed failures in installations using the mechanically formed tee fitting, they would not have written this method of installation into the Code