Jim Merrill, Welding Engineer, Law Crandell

STEEL MATERIALS TESTING QC/QA Welding Quality Control Steel Audits SFOBB Steel Fabricators Outreach STEEL MATERIALS TESTING QC/QA Welding Quality Control Steel Audits Project Specific Discussion

Welding Quality Control SFOBB Steel Fabricators Outreach Welding Quality Control Field Vs. Shop Quality Control Manager (QCM) Pre-weld Meeting Quality Control Plan (QCP)

Weld Quality Shop Vs. Field SFOBB Steel Fabricators Outreach Code Quality is the same Same Allowable Stress Skill Level of Welders

Quality Control Manager (QCM) SFOBB Steel Fabricators Outreach Quality Control Manager (QCM) Must be a Direct Employee of Prime Primary Contact for Quality Matters Review submittals Represents contractor and subs Certified Welding Inspector (CWI) Level II in NDT Methods Utilized

Pre-weld Meeting Discussion of Sec. 8.3 (special provisions) SFOBB Steel Fabricators Outreach Pre-weld Meeting Discussion of Sec. 8.3 (special provisions) Certification of personnel Procedure Qualification Development of QCP Required documents Questions from the Contractor

Quality Control Plan Welding Procedures Welder Qualifications NDT SFOBB Steel Fabricators Outreach Quality Control Plan Welding Procedures WPS, PQR Ct Witness Welder Qualifications Process, 3 year limit NDT Level II, III Written Practice

Steel Audits Self Audit Ct Audit Re-audit SFOBB Steel Fabricators Outreach Steel Audits Self Audit All audit items are contract requirements Ct Audit Prior to beginning Fabrication Formal Audit Purpose to Determine Capability Re-audit If required Max 3 times

Project Specific Ct UT Certification Deck Mock-up SFOBB Steel Fabricators Outreach Project Specific Ct UT Certification Deck Mock-up Distortion Control Plan QC Presence Fatigue Details Fabrication Survey

Caltrans UT Certification SFOBB Steel Fabricators Outreach Caltrans UT Certification Caltrans UT Technician Certification Program Written Portion (Code Knowledge) Hands on (code technique acceptance)

Deck Mock-up Fabricator to Provide Deck Mock-up SFOBB Steel Fabricators Outreach Deck Mock-up Fabricator to Provide Deck Mock-up Demonstrate Fabricators Procedures Welding Procedures Distortion Control Assembly Practice

Distortion Control Plan SFOBB Steel Fabricators Outreach Distortion Control Plan Orthotropic Deck, Tower Holding of required dimensional tolerances Jigs and Fixtures Prevention of residual stress Lamellar tearing Pre and Post weld Heat Treatments

QC Presence QC CWI Presence SFOBB Steel Fabricators Outreach When any work is being performed all shifts all shops Before, During and After Welding 30 minute max duration

Fatigue Details Specific Shape Weld Profile Depth of Penetration SFOBB Steel Fabricators Outreach Fatigue Details Specific Shape Weld Profile Depth of Penetration

Fabrication Survey Must be performed at Fabrication Facility SFOBB Steel Fabricators Outreach Fabrication Survey Must be performed at Fabrication Facility Deck Sections per Fit-up Match Field Erection