ASTM F2831-19(2024)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F2831 − 19 (Reapproved 2024)
Standard Practice for
Internal Non Structural Epoxy Barrier Coating Material Used
In Rehabilitation of Metallic Pressurized Piping Systems
This standard is issued under the fixed designation F2831; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* tics (Withdrawn 2024)
D3359 Test Methods for Rating Adhesion by Tape Test
1.1 This standard is intended to establish the minimum
D3363 Test Method for Film Hardness by Pencil Test
criteria necessary for use of a mechanically mixed, blended,
D4541 Test Method for Pull-Off Strength of Coatings Using
epoxy barrier coating (AWWA Class I) that is applied to the
Portable Adhesion Testers
interior of ⁄2 in. (12.7 mm) to 36 in. (914.4 mm) metallic pipe
D4752 Practice for Measuring MEK Resistance of Ethyl
or tube used in pressurized piping systems for corrosion
Silicate (Inorganic) Zinc-Rich Primers by Solvent Rub
protection and to improve flow rates. There is no restriction as
to the developed length of the piping system other than the D4414 Practice for Measurement of Wet Film Thickness by
method of application (“blow through”, spin cast or hand Notch Gages
sprayed) and the characteristics of the epoxy coating being
F412 Terminology Relating to Plastic Piping Systems
applied but the manufacturer’s engineer shall be consulted for
2.2 AWWA Standard:
any limitations associated with this product, process and its
AWWA C210 – Liquid Epoxy Coating Systems for the
application for the end user.
Interior and Exterior of Steel Water Pipelines
1.2 The values stated in inch-pound units are to be regarded
AWWA Rehabilitation of Water Mains : Manual of Water
as standard. The values given in parentheses are mathematical
Supply Practices M28, Appendix
conversions to SI units that are provided for information only
2.3 NSF Standard:
and are not considered standard.
NSF/ANSI 61 – Drinking Water System Components –
1.3 This standard does not purport to address all of the
Health Effects
safety concerns, if any, associated with its use. It is the
NSF/ANSI 14 Plastic Piping System Components and Re-
responsibility of the user of this standard to establish appro-
lated Materials
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use. 2.4 Society of Protective Coatings Standards:
1.4 This international standard was developed in accor-
SSPC-SP 1 – Solvent Cleaning S
dance with internationally recognized principles on standard-
SSPC-SP 6/NACE No. 3 – Commercial blast cleaning
ization established in the Decision on Principles for the
2.5 Underwriters Laboratories Standard:
Development of International Standards, Guides and Recom-
UL/ANSI 852 Metallic Sprinkler Pipe for Fire Protection
mendations issued by the World Trade Organization Technical
Service
Barriers to Trade (TBT) Committee.
2.6 National Fire Protection Association Standard:
2. Referenced Documents
NFPA 13 Standard for Installation of Sprinkler Systems
2.1 ASTM Standards:
D1600 Terminology for Abbreviated Terms Relating to Plas-
The last approved version of this historical standard is referenced on
www.astm.org.
1 4
This practice is under the jurisdiction of ASTM Committee F17 on Plastic Available from American Water Works Association (AWWA), 6666 W. Quincy
Piping Systems and is the direct responsibility of Subcommittee F17.67 on Ave., Denver, CO 80235, http://www.awwa.org.
Trenchless Plastic Pipeline Technology. Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann
Current edition approved April 1, 2024. Published April 2024. Originally Arbor, MI 48113-0140, http://www.nsf.org.
approved in 2011. Last previous edition approved in 2019 as F2831–19. DOI: Available from Society for Protective Coatings (SSPC), 40 24th St., 6th Floor,
10.1520/F2831–19R24. Pittsburgh, PA 15222-4656, http://www.sspc.org.
2 7
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Underwriters Laboratories (UL), 2600 N.W. Lake Rd., Camas,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM WA 98607-8542, http://www.ul.com.
Standards volume information, refer to the standard’s Document Summary page on Available from National Fire Protection Association (NFPA), 1 Batterymarch
the ASTM website. Park, Quincy, MA 02169-7471, http://www.nfpa.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2831 − 19 (2024)
3. Terminology at change of diameter both ways. Random spool pieces of pipe
shall be installed within the network architecture for subse-
3.1 Definitions—Definitions are in accordance with Termi-
quent third party inspection when required or specified by
nology F412 and abbreviations are in accordance with Termi-
owners or their designated representatives.
nology D1600, unless otherwise specified.
6.2 Piping preparation—Prior to abrasive blast cleaning,
3.2 Definitions:
surfaces shall be inspected and, if required, cleaned according
3.2.1 accredited certifying organization, n—an agency ac-
to SSPC-SP 1 to remove oil, grease, or other foreign matter.
credited by an independent and authoritative conformity as-
Only solvents approved by the epoxy coating manufacturer
sessment body (ANSI, ISO/ICC or equivelant) to operate a
shall be used. Preheating of metallic type piping to remove oil,
material and product listing and labeling (certification) system
grease, mill scale, water, and ice may be used provided the pipe
that is accepted by the Authority Having Jurisdiction.
is preheated in a uniform manner to avoid distorting the pipe.
3.2.2 AWWA class I linings, n—Non-structural systems,
All leaks in the piping system shall be repaired in accordance
such as traditional CML and epoxy. (See AWWA Rehabilita-
with the manufacturer’s recommendations prior to coating.
tion of Water Mains.)
6.3 Abrasive blast cleaning—The interior of the piping
3.2.3 listed (third- party certified), adj—equipment or ma-
system surfaces shall be abrasive blast cleaned to achieve a
terials included in a list published by a listing agency (accred-
clean metal surface conforming to SSPC-SP 6/NACE. No. 3
ited conformity assessment body) that maintains periodic
Abrasive blast cleaning and coating shall only be performed
inspection on current production of listed equipment or mate-
when the metal temperature is more than 5 °F (-15 °C) above
rials and whose listing states either that the equipment or
dew point. When required to meet the standard, or as required
material complies with approved standards or has been tested
by manufacturer’s instructions, the cleaning process shall be
and found suitable for use in a specified manner.
conducted both ways, from small diameter to large and from
3.2.4 metallic piping, n—a tubular shape made of metal,
large diameter to small, to ensure all foreign material on the
intended to convey fluids or gas. Usually semi-rigid or rigid
wall of the pipe is removed.
metal such as galvanized steel, galvanized wrought iron black
6.4 Pipe Cleaning—A description of the quality and clean-
steel, stainless steel, copper, brass or similar metal piping
liness of the pipe to be coated shall be required. When viewed
systems.
without magnification, the cleaned surface shall be free of all
visible oil, grease, dirt, mill scale, rust and previously applied
4. Material Requirements
coatings. Evenly dispersed, very light shadows, streaks, and
4.1 When applied to potable water systems, epoxy barrier
discolorations caused by stains of mill scale, rust and old
coatings shall be evaluated, tested and certified for confor-
coatings shall be permitted to remain on no more than 33
mance to NSF/ANSI 61, Section 5 for the intended application,
percent of the surface to be coated. The manufacturer’s
field or factory or the health effects portion of NSF/ANSI 14 by
instructions shall require that the details of the visual observa-
an accredited certifying organization.
tion of the cleaned pipe to be recorded.
4.2 Epoxy barrier coatings shall be prepared for application 6.5 Interior cleaning—If abrasives or other loose foreign
using mechanically engineered metering and mixing methods
matter has entered the interior of the piping system, then clean,
to ensure mixing and dispensing controls to manufacturer’s dry, oil-free compressed air shall be used to remove the loose
specifications.
foreign matter in a manner that does not adversely affect the
cleaned surface. Alternatively, vacuum cleaning or other meth-
4.3 Epoxy barrier coatings shall be listed and identified for
ods may be used in place of compressed air.
the type of application (“blow through”, spin cast or hand
6.6 Coating thickness—The minimum coating thickness
sprayed).
shall be recommended by the coating manufacturer but shall be
5. Significance and Use
greater than 0.01 in. (0.2454 mm). The coating thickness shall
be determined in the field via a wet film thickness gauge,
5.1 This practice is for use by designers and specifiers,
meeting Practice D4414-Standard Practice for Measurement of
regulatory agencies, owners, contractors, and inspection orga-
Wet Film Thickness of Organic Coatings by Notched Gages.
nizations who are involved in rehabilitation of pressurized
piping systems. 6.7 Coating material preparation. Coating material prepara-
tion shall be in accordance with the manufacturer’s recommen-
6. Coating Application
dation. Application shall be performed when the temperature is
more than 5 °F (-15 °C) above dew point. The temperature of
6.1 General—The epoxy coating shall be applied in accor-
the mixed coating material shall not be lower than 50 °F
dance with the manufacturer’s recommendations. Application
(10 °C). The temperature of the piping system during applica-
shall be by blow through, airless-spray or centrifugal-wheel
tion shall conform to the recommendations of the coating
equipment or manufacturer-certified equal. “Blow through”
manufacturer.
application shall be limited to 6 in. (152.4 mm) diameter pipe
and shall be applied from small diameter to large. Spin cast 6.8 Cure—The coating manufacturer shall be consulted as to
applications shall be pre-planned in accordance with the the proper cure time and methods but The minimum cure time,
manufacturer’s recommendations, which are dependent on cure temperature and flushing requirements shall be in accor-
pipeline diameter, length and architecture and shall be applied dance with certification and listing requirements appropriate
F2831 − 19 (2024)
for the application. For potable water applications, minimum 8.2 Pull-off Strength Test—A sample shall be tested for
cure time, cure temperature and flushing requirements shall be resistance to pull-off of the epoxy barrier coating in accordance
in accordance with the NSF/ANSI 61 certification and listing with Test Method D4541. On metallic surfaces, such as copper,
requirements for the epoxy. steel or brass, the minimum pull-force without loss of coating
adhesion shall be 2500 psi (17237 kPa).
6.9 Field Testing—At completion of installation, the pipe
8.3 Immersion Test—A sample shall be tested in accordance
spool pieces randomly inserted into the piping network prior to
with AWWA C210. The sample shall display no blistering,
coating shall be removed for third pa
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