ASTM D4619-12(2018)

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: D4619 − 12 (Reapproved 2018)
Standard Practice for
Inspection of Linings in Operating Flue Gas Desulfurization
Systems
This standard is issued under the fixed designation D4619; 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 D7091 Practice for Nondestructive Measurement of Dry
Film Thickness of Nonmagnetic Coatings Applied to
1.1 This practice describes procedures for conducting in-
Ferrous Metals and Nonmagnetic, Nonconductive Coat-
spections of the conditions of various linings in operating Flue
ings Applied to Non-Ferrous Metals
Gas Desulfurization (FGD) system components.
2.2 SSPC Standards:
1.2 This standard does not purport to address all of the
SSPC-PA2 Measurement of Dry Paint Thickness with Mag-
safety concerns, if any, associated with its use. It is the
netic Gages
responsibility of the user of this standard to establish appro-
SSPC-VIS 2 Standard Method of Evaluating Degree of
priate safety, health, and environmental practices and deter-
Rusting on Painted Steel Surfaces
mine the applicability of regulatory limitations prior to use.
For specific hazard statements, see Section 8.
3. Significance and Use
1.3 This international standard was developed in accor-
3.1 Periodic inspections are essential to evaluate lining
dance with internationally recognized principles on standard-
performance,todetectexistingdamagepotentialproblems,and
ization established in the Decision on Principles for the
to plan scheduled maintenance. The frequency of these inspec-
Development of International Standards, Guides and Recom-
tions may diminish or increase with time depending upon
mendations issued by the World Trade Organization Technical
lining performance.
Barriers to Trade (TBT) Committee.
4. Recordkeeping
2. Referenced Documents
4.1 Lining condition will depend on the operating condi-
2.1 ASTM Standards:
tions experienced by the lining systems. Records of these
C805 Test Method for Rebound Number of Hardened Con-
conditions that are maintained by the owner/operator should be
crete
evaluated for potential effects upon the linings. These may
C856 Practice for Petrographic Examination of Hardened
include:
Concrete
4.1.1 Dates of lining installation and initial operation,
D610 Practice for Evaluating Degree of Rusting on Painted
4.1.2 Solution/gas temperatures in lined components,
Steel Surfaces
4.1.3 Solution/gas chemistry (pH, composition),
D714 Test Method for Evaluating Degree of Blistering of
4.1.4 Start up/shut down dates,
Paints
4.1.5 Gas velocities and particulate loading, and
D2240 Test Method for Rubber Property—Durometer Hard-
4.1.6 Ambient conditions.
ness
D4541 Test Method for Pull-Off Strength of Coatings Using
4.2 Any known change in the process criteria or modifica-
Portable Adhesion Testers
tions of the physical design shall be identified and dated.
D6677 Test Method for Evaluating Adhesion by Knife
4.3 All past history pertaining to the lining systems should
be available during the inspection process. They may include:
This practice is under the jurisdiction of ASTM Committee D33 on Protective
4.3.1 Copies of existing lining specifications and installa-
Coating and Lining Work for Power Generation Facilities and is the direct
tion procedures.
responsibilityofSubcommitteeD33.09onProtectiveLiningforAirQualityControl
4.3.2 Quality control documents of the existing lining in-
Systems.
Current edition approved Aug. 1, 2018. Published August 2018. Originally
stallation.
approved in 1986. Last previous edition approved in 2012 as D4619 – 12. DOI:
4.3.3 Copies of previous inspection reports.
10.1520/D4619-12R18.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Available from Society for Protective Coatings (SSPC), 40 24th St., 6th Floor,
the ASTM website. Pittsburgh, PA 15222-4656, http://www.sspc.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D4619 − 12 (2018)
4.3.4 Documentation pertaining to any maintenance of ex- 7.1.1 Safety—The inspection team shall verify that the
isting lining systems. equipment being inspected has been made safe for entry. This
shall include lockout procedures for related equipment such as,
5. Inspection Team butnotlimitedto,theboiler,dampers,valves,fans,andpumps.
7.1.2 Lighting—Sufficient lighting shall be provided to as-
5.1 The owner/operator should select a team of experienced
sure general lighting of the overall area plus localized high
personnel to conduct the inspection. Personnel representing the
intensity lights for close visual observation or taking of
following may be included:
photographs, or both. The lighting fixtures shall be equipped
5.1.1 Owner’s representative,
with a safety guard to minimize breakage and injury.
5.1.2 Lining manufacturer,
7.1.3 Access to Lining Surfaces—The access equipment
5.1.3 Lining applicator,
must meet all safety requirements of OSHA and the owner/
5.1.4 Equipment designer,
operator. The equipment must be capable of placing the
5.1.5 Architect engineer,
inspectors close enough to the lining surface to perform all
5.1.6 Third party inspectors, and
inspection procedures.
5.1.7 System designer.
7.1.4 Cleaning—Selected lining surfaces to be inspecte
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