Quality

Document Control

• BigInch has established and follows documented procedures to control all documents and data which relate to the requirements of our Quality Policy. These include customer standards and documentation.
• Prior to issue, documents and data must be approved by authorized BigInch personnel.
• Changes to documents and data must be approved by authorized BigInch personnel that have access to pertinent background information upon which to base the approvals.
• The nature of any changes are recorded and identified in the document.

Inspection

Generally, third party inspection is provided by the customer. Their duties will often include welding inspection, X-ray tracking and as-built documentation.
In addition to third party inspection, BigInch also incorporates hold points at specific intervals during a project. Many of the hold points are “in process” inspections and are outlined in our quality program. The hold points verify that:
• Welder test papers are up to date
• Correct welding procedures are used
• Correct welding processes are used
• Correct materials are used
• Dimensions are verified pre- and post-fabrication
• X-ray numbers, welder stencil and spool drawing numbers are recorded
• Prior to hydrotest, all piping is suitable for the pressure required
• Information on the hydrotest letter is correct
• Certifications on hydrotest equipment is up to date
• Safety measures are in place
• Hydrotest procedure is followed
• After hydrotest piping is dewatered, dried and blown out
• Before sandblasting, openings are covered; nameplates, tags and handles are masked
• Correct blast media is used
• Correct blast profile is achieved
• Correct coating is used
• Correct mils are attained
• Spool drawing numbers are transferred to the exterior of the pipe
• Pieces to be shipped are properly identified on packing lists
• Proper padding is used
• Load is secured properly