220719_PlumbingPipeInsulationCOCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 1 of 7
SECTION 220719
PLUMBING PIPE INSULATION
PART 1 - GENERAL
1.01 RELATED DOCUMENTS
A. The other Contract Documents complement this Section.
B. Division 01 – General Requirements and Section 220000 govern all Work of
Division 22.
C. Other specification sections (Divisions 02-14, 21, and 23-26) may contain
requirements related to Division 22.
1.02 SUMMARY
A. This Section includes preformed, rigid and flexible pipe insulation; insulating
cements; field-applied jackets; accessories and attachments; and sealing
compounds.
1.03 QUALITY ASSURANCE
A. Fire-Test-Response Characteristics: As determined by testing materials identical to
those specified in this Section according to ASTM E 84, by a testing and inspecting
agency acceptable to authorities having jurisdiction. Factory label insulation and
jacket materials and sealer and cement material containers with appropriate
markings of applicable testing and inspecting agency.
1. Insulation Installed Indoors, except in HVAC Return Air Plenums: Flame-spread
rating of 75 or less and smoke-developed rating of 450 or less.
2. Insulation Installed Indoors in HVAC Return Air Plenums: Flame-spread rating
of 25 or less and smoke-developed rating of 50 or less.
1.04 DELIVERY, STORAGE, AND HANDLING
A. Packaging: Ship insulation materials in containers marked by manufacturer with
appropriate ASTM specification designation, type and grade, and maximum use
temperature.
B. Protect insulation against dirt, water, chemical, and other damage.
C. Do not install damaged or wet insulation; remove from project site.
COCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 2 of 7
1.05 COORDINATION
A. Coordinate size and location of supports and hangers specified in Division 22 Section
“Plumbing Hangers and Supports.”
B. Coordinate clearance requirements with piping Installer for insulation application.
1.06 SCHEDULING
A. Schedule insulation application after testing piping systems and, where required,
after installing and testing heat-trace tape.
PART 2 - PRODUCTS
2.01 INSULATION MATERIALS
A. Mineral-Fiber Insulation: Glass fibers bonded with a thermosetting resin complying
with the following:
1. Products: Subject to compliance with requirements, provide one of the
following:
a. Johns Manville; Micro-Lok.
b. Knauf Insulation; 1000 Pipe Insulation.
c. Manson Insulation Inc.; Alley-K.
d. Owens Corning; Fiberglas Pipe Insulation.
2.02 INSULATION MATERIALS
A. Mineral-Fiber Insulation: Glass fibers bonded with a thermosetting resin complying
with the following:
1. Preformed Pipe Insulation: Comply with ASTM C 547, Type 1, with factory-
applied, all-purpose, vapor-retarder jacket.
2. Blanket Insulation: Comply with ASTM C 553, Type II, without facing.
3. Fire-Resistant Adhesive: Comply with MIL-A-3316C in the following classes and
grades:
a. Class 1, Grade A for bonding glass cloth and tape to unfaced glass-fiber
insulation, for sealing edges of glass-fiber insulation, and for bonding
lagging cloth to unfaced glass-fiber insulation.
b. Class 2, Grade A for bonding glass-fiber insulation to metal surfaces.
COCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 3 of 7
4. Vapor-Retarder Mastics: Fire- and water-resistant, vapor-retarder mastic for
indoor applications. Comply with MIL-C-19565C, Type II.
5. Mineral-Fiber, Hydraulic-Setting Insulating and Finishing Cement: Comply with
ASTM C 449/C 449M.
2.03 FIELD-APPLIED JACKETS
A. General: ASTM C 921, Type 1, unless otherwise indicated.
B. PVC Jacket: High-impact, ultraviolet-resistant PVC; 20 mils thick; roll stock ready for
shop or field cutting and forming.
1. Adhesive: As recommended by insulation material manufacturer.
2. PVC Jacket Color: White.
C. Standard PVC Fitting Covers: Factory-fabricated fitting covers manufactured from
20-mil-thick, high-impact, ultraviolet-resistant PVC.
1. Shapes: 45- and 90-degree, short- and long-radius elbows, tees, valves,
flanges, reducers, end caps, soil-pipe hubs, traps, mechanical joints, and P-trap
and supply covers for lavatories for the disabled.
2. Adhesive: As recommended by insulation material manufacturer.
2.01 PIPE SHIELDS AND INSULATION INSERTS
A. Protective Pipe Shields: MSS SP-58, Type 40, spanning an arc of 180 degrees.
1. Minimum Shield Dimensions for Pipe:
a. NPS 1/4 to NPS 3-1/2: 12 inches long and 0.048 inch thick.
b. NPS 4: 12 inches long and 0.06 inch thick.
c. NPS 5 and NPS 6: 18 inches long and 0.06 inch thick.
d. NPS 8 to NPS 14: 24 inches long and 0.075 inch thick.
B. Insulation Inserts: ASTM C 533, Type I calcium silicate or ASTM C 552, Type II
cellular glass, thickness equal to pipe insulation thickness, and length equal to shield
length.
COCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 4 of 7
PART 3 - EXECUTION
3.01 EXAMINATION
A. Examine substrates and conditions for compliance with requirements for installation
and other conditions affecting performance of insulation application.
B. Proceed with installation only after unsatisfactory conditions have been corrected.
3.02 PREPARATION
A. Surface Preparation: Clean and dry pipe and fitting surfaces. Remove materials that
will adversely affect insulation application.
3.03 GENERAL APPLICATION REQUIREMENTS
A. Apply insulation materials, accessories, and finishes according to the manufacturer's
written instructions; with smooth, straight, and even surfaces; free of voids
throughout the length of piping, including fittings, valves, and specialties.
B. Refer to schedules at the end of this Section for materials, forms, jackets, and
thickness required for each piping system.
C. Use accessories compatible with insulation materials and suitable for the service.
Use accessories that do not corrode, soften, or otherwise attack insulation or jacket
in either wet or dry state.
D. Apply insulation with longitudinal seams at top and bottom of horizontal pipe runs.
E. Apply multiple layers of insulation with longitudinal and end seams staggered.
F. Do not weld brackets, clips, or other attachment devices to piping, fittings, and
specialties.
G. Seal joints and seams with vapor retarder mastic on insulation indicated to receive a
vapor retarder.
H. Keep insulation materials dry during application and finishing.
I. Apply insulation with tight longitudinal seams and end joints. Bond seams and joints
with adhesive recommended by the insulation material manufacturer.
J. Apply insulation with the least number of joints practical.
K. Apply insulation over fittings, valves, and specialties, with continuous thermal and
vapor retarder integrity, unless otherwise indicated. Refer to special instructions for
applying insulation over fittings, valves, and specialties.
COCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 5 of 7
L. Hangers:
1. Install insulation insert and apply insulation to tightly join the insert. Seal
insulation to insulation inserts with adhesive or sealing compound
recommended by the insulation material manufacturer.
2. Cover inserts with jacket material matching adjacent pipe insulation. Install
pipe shields over jacket, arranged to protect the jacket from tear or puncture
by the hanger, support, and shield.
3. Secure pipe shields with two (2) stainless steel bands.
M. Apply adhesives and mastics at the manufacturer's recommended coverage rate.
N. Apply insulation with integral jackets as follows:
1. Pull jacket tight and smooth.
2. Circumferential Joints: Cover with 3 inch wide strips, of same material as
insulation jacket. Secure strips with adhesive and outward clinching staples
along both edges of strip and spaced 4 inches o.c.
3. Longitudinal Seams: Overlap jacket seams at least 1½ inches. Apply
insulation with longitudinal seams at bottom of pipe. Clean and dry surface to
receive self-sealing lap. Staple laps with outward clinching staples along edge
at 4 inches o.c.
a. Exception: Do not staple longitudinal laps on insulation having a vapor
retarder.
4. Vapor-Retarder Mastics: Where vapor retarders are indicated, apply mastic on
seams and joints and at ends adjacent to flanges, unions, valves, and fittings.
5. At penetrations in jackets for thermometers and pressure gages, fill and seal
voids with vapor-retarder mastic.
3.04 MINERAL-FIBER INSULATION APPLICATION
A. Install insulation to straight pipes and tubes as follows:
1. Secure each layer of preformed pipe insulation to pipe with wire, tape, or bands
without deforming insulation materials.
2. For insulation with factory-applied jackets, secure laps with tape or self seal
adhesive.
COCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 6 of 7
B. Install insulation to flanges as follows:
1. Install preformed pipe insulation to outer diameter of pipe flange.
2. Make width of insulation segment the same as overall width of the flange and
bolts, plus twice the thickness of the pipe insulation.
3. Fill voids between inner circumference of flange insulation and outer
circumference of adjacent straight pipe segments with mineral-fiber blanket
insulation.
4. Install PVC jacket material with manufacturer's recommended adhesive,
overlapping seams at least 1 inch, and seal joints with vapor retarder mastic.
C. Install insulation to fittings and elbows as follows:
1. Install premolded insulation sections of the same material as straight segments
of pipe insulation when available. Secure according to manufacturer's written
instructions.
2. When premolded insulation elbows and fittings are not available, apply mitered
sections of pipe insulation, or glass-fiber blanket insulation, to a thickness equal
to adjoining pipe insulation. Secure insulation materials with wire, tape, or
bands.
3. Cover fittings with standard PVC fitting covers.
D. Install insulation to valves and specialties as follows:
1. Install premolded insulation sections of the same material as straight segments
of pipe insulation when available. Secure according to manufacturer's written
instructions.
2. When premolded insulation sections are not available, apply glass-fiber blanket
insulation to valve body. Arrange insulation to permit access to packing and to
allow valve operation without disturbing insulation. For check valves, arrange
insulation for access to strainer basket without disturbing insulation.
3. Install insulation to flanges as specified for flange insulation application.
4. Use preformed standard PVC fitting covers for valve sizes where available.
Secure fitting covers with manufacturer's attachments and accessories. Seal
seams with tape and vapor retarder mastic.
5. For larger sizes where PVC fitting covers are not available, seal insulation with
canvas jacket and sealing compound recommended by the insulation material
manufacturer.
COCA-COLA NORTH AMERICA JOB NO. 7588.20 ISSUED: 070910
LINE ADDITIONS
NORTHAMPTON, MASSACHUSETTS
PLUMBING PIPE INSULATION 220719 - 7 of 7
3.05 PIPING SYSTEM APPLICATIONS
A. Insulation materials and thicknesses are specified in schedules on the drawings.
B. Items Not Insulated: Unless otherwise indicated, do not apply insulation to the
following systems, materials, and equipment:
1. Flexible connectors.
2. Vibration-control devices.
3. Below-grade piping, unless otherwise indicated.
4. Chrome-plated pipes and fittings, unless potential for personnel injury.
5. Air chambers, unions, strainers, check valves, plug valves, and flow regulators.
END OF SECTION