QUALITY CONTROL MANUAL - Industrial Piping, Inc.

Quality Control Manual Page 1 of 1
Industrial Piping, Inc. Revision 0
8.1.0 GENERAL
SECTION 8
HEAT TREATMENT
(PWHT)
8.1.1 The heat treatment as described in this section shall be adhered to for all shop and field
Code work including all Code repair work.
8.2.0 PROCEDURE
8.2.1 Heat treatment, when required by the Code will be done in accordance with a written
procedure. This written procedure will be approved by the Fabrication Engineer with
the acceptance of the Quality Control Manager and shall be in compliance with the
Code. As a minimum, this procedure will specify heating and cooling rates, time and
temperature, thermocouple method of attachment, location, record, and equipment
calibration requirements.
8.2.2 The QC Mgr will oversee all PWHT operations both internally and externally. This
includes but is not limited to the equipment and controls, procedures and calibration
records.
8.2.3 Records of heat treatment such as strip or dial charts shall reference the Industrial
Piping, Inc. Purchase Order, and job order numbers. The job record and/or charts shall
be signed and dated by the operator or other supervision personnel. The
time/temperature charts and any other applicable records will be reviewed, approved
and retained by the Quality Control Manager and made available to the Authorized
Inspector for his review.
8.2.4 A metal identification tag will be attached to the item to be heat treated to identify
materials and parts sent to the subcontractor's facilities. The Quality Control Manager
shall perform a receiving inspection of the heat treated item upon receipt of the item
from the subcontractor.
8.2.5 Any tests required by an applicable Code Section, shall be performed either by
Industrial Piping, Inc., or the subcontractor. Where performed by the subcontractor, the
requirements shall be specified in the written procedure.