Dimitar MLADENOV - CERN EP/NU

LBNF Cryo Safety Panel Informal meeting

CERN, 30-31 January 2018

Weld, welder qualification and weld inspection

(structure & membrane)

LBNF CERN NP

LBNF – Steel Structure - Welding Book

1/30/20182

Already in place for the testing pieces.

Contains all the relevant information to execute the welds on the steel structure.

LBNF CERN NP

LBNF – Steel Structure - Welding Book

1/30/20183

LBNF CERN NP

LBNF – Steel Structure - Inspection and Test Plan - Welding

1/30/20184

Already in place for the testing pieces.

Contains all the relevant information to execute the welds on the steel structure.

LBNF CERN NP

LBNF – Procedure Qualification Record

1/30/20185

LBNF CERN NP

LBNF – Steel Structure – Welding configurations

1/30/20186

• The geometries

has been agreed

for the test pieces

LBNF CERN NP

LBNF – Membrane – Welding Manual

1/30/20187

GTT’s welding manual for the membrane

Already followed for the 3x1x1 and the two protoDUNEs.

Contains all the relevant information to execute the welds on the membrane.

To be applied for LBNF.

LBNF CERN NP

LBNF – Membrane – Welding Manual

1/30/20188

LBNF CERN NP

LBNF – Membrane – Testing Procedures - Welding

1/30/20189

GTT’s welding testing procedures for the membrane

Already followed for the 3x1x1 and the two protoDUNEs.

To be applied for LBNF.

LBNF CERN NP

Thank you!

1/30/201810