Insulation QA/QC Sheet
Type of Work
Operating Temp:
Controlling Documents

SEE INSULATION ITP FOR HOLD POINTS AND WITNESS POINTS, CONSIDER ACCESS METHOD AND TIMING

Insulation

PROPER MATERIALS AND THICKNESS
INSTALLATION MEETS CUSTOMER SPECIFICATION
CUSTOMER DESIGN ALLOWS FOR PROPER INSULATION THICKNESS (FOR EXAMPLE, SPACE BETWEEN PIPES IN PIPERACK)
SECUREMENTS IN PROPER SPACING: WELDS, SCREWS, BANDING, WIRE
STAGGER JOINTS
FOR MULTI-LAYER APPLICATIONS, STAGGER LAYERS
JOINTS TIGHTLY FIT
EXPANSION JOINTS PROPERLY INSTALLED (WHERE APPLICABLE)
HIGHER DENSITY INSULATION MATERIALS USED WHERE APPLICABLE (SADDLES, LOW PIPING, ETC)

Metal Jacketing

PROPER MATERIALS AND THICKNESS
INSTALLATION MEETS CUSTOMER SPECIFICATION
SECUREMENTS IN PROPER SPACING: WELDS, SCREWS, BANDING, WIRE
WELDS HAVE SUFFICIENT BONDING
PROPER WATERSHED
NO GAPS (MOISTURE IS INSULATION’S NUMBER ONE ENEMY)
JOINTS PROPERLY CAULKED AND SEALED
S’ CLIPS AND/OR SUPPORT RINGS INSTALLED ON VERTICAL RUNS

Appearance/Aesthetics

CONSISTENT USE OF BEADING, CRIMPING, PATCH SIZE/STYLE/METHOD
PROPER LAP (2″ MINIMUM), CIRCUMFERENCE AND BUTT
INCLUDE SADDLES WHERE NEEDED
JACKETING DAMAGE NOTED / COMMUNICATED. COMMUNICATED TO CUSTOMER IF DAMAGE BY OTHERS

REMOVABLE BLANKETS

PROPER MATERIALS AND THICKNESS
INSTALLATION MEETS CUSTOMER SPECIFICATION
PROPER WATERSHED TECHNIQUE
NO AIR GAPS
SILICONE ON BOTH SIDES PLUS INTERNAL STAINLESS MESH FOR HOT OIL APPLICAITONS

MASTICS / CEMENTS

PROPER MATERIALS AND THICKNESS
INSTALLATION MEETS CUSTOMER SPECIFICATION
REINFOREMENT EMBEDDED INTO MASTIC
SHELF LIFE

FLANGES / VALVES

PROPER MATERIALS AND THICKNESS
PROPER INSULATION TECHNIQUE
PROPER COVERAGE (INCLUDE VALVE BONNET OR NOT)
INSTALLATION MEETS CUSTOMER SPECIFICATION
DOES CUSTOMER NEED TO EXTEND HANDLES TO ACHIEVE INSULATION THK (BALL VALVE)
INSULATION ALLOWS FOR BOLTING

VAPOR BARRIER

CRITICAL FOCUS ON VAPOR BARRIER APPLICATION FOR BELOW AMBIENT (COLD) OPERATING TEMPS
THIS INCLUDES ADDITIONAL VAPOR BARRIERS WITHIN JOINTS AS WELL AS OUTER SURFACE.
ADDITIONAL INSULATION FOCUS ON AREAS WHERE THERE IS A DIRECT CONDUCTION

OTHER

INSPECTION PORTS INSTALLED PER DWGS/SPECS