ASTM D4619-96
(Practice)Standard Practice for Inspection of Linings in Operating Flue Gas Desulfurization Systems
Standard Practice for Inspection of Linings in Operating Flue Gas Desulfurization Systems
SCOPE
1.1 This practice describes procedures for conducting inspections of the conditions of various linings in operating Flue Gas Desulfurization (FGD) system components.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 7.
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Standards Content (Sample)
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Designation: D 4619 – 96
Standard Practice for
Inspection of Linings in Operating Flue Gas Desulfurization
Systems
This standard is issued under the fixed designation D 4619; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.3.2 Quality control documents of the existing lining in-
stallation.
1.1 This practice describes procedures for conducting in-
3.3.3 Copies of previous inspection reports.
spections of the conditions of various linings in operating Flue
3.3.4 Documentation pertaining to any maintenance of ex-
Gas Desulfurization (FGD) system components.
isting lining systems.
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Inspection Team
responsibility of the user of this standard to establish appro-
4.1 The owner/operator should select a team of experienced
priate safety and health practices and determine the applica-
personnel to conduct the inspection. Personnel representing the
bility of regulatory limitations prior to use. For specific hazard
following may be included:
statements, see Section 7.
4.1.1 Owner’s representative,
2. Significance and Use 4.1.2 Lining manufacturer,
4.1.3 Lining applicator,
2.1 Periodic inspections are essential to evaluate lining
4.1.4 Equipment designer,
performance, to detect existing damage potential problems, and
4.1.5 Architect engineer,
to plan scheduled maintenance. The frequency of these inspec-
4.1.6 Third party inspectors, and
tions may diminish or increase with time depending upon
4.1.7 System designer.
lining performance.
5. Hazards
3. Recordkeeping
5.1 All safety requirements of OSHA and the owner/
3.1 Lining condition will depend on the operating condi-
operator, must be met when performing all inspection opera-
tions experienced by the lining systems. Records of these
tions. Residues, including acids, heavy metals, or other haz-
conditions that are maintained by the owner/operator should be
ardous materials, may be present in deposits, on the lining
evaluated for potential effects upon the linings. These may
surfaces, or in the atmosphere. Precautions shall be taken to
include:
protect personnel. Confined entry safety requirements shall be
3.1.1 Dates of lining installation and initial operation,
adhered to where applicable.
3.1.2 Solution/gas temperatures in lined components,
3.1.3 Solution/gas chemistry (pH, composition),
6. Pre-Inspection Procedure
3.1.4 Start up/shut down dates,
6.1 Prior to conducting an inspection of the lining, the
3.1.5 Gas velocities and particulate loading, and
owner/operator shall ensure that the following services and
3.1.6 Ambient conditions.
equipment are provided.
3.2 Any known change in the process criteria or modifica-
6.1.1 Safety—The inspection team shall verify that the
tions of the physical design shall be identified and dated.
equipment being inspected has been made safe for entry. This
3.3 All past history pertaining to the lining systems should
shall include lockout procedures for related equipment such as,
be available during the inspection process. They may include:
but not limited to, the boiler, dampers, valves, fans, and pumps.
3.3.1 Copies of existing lining specifications and installa-
6.1.2 Lighting—Sufficient lighting shall be provided to
tion procedures.
assure general lighting of the overall area plus localized high
intensity lights for close visual observation or taking of
This practice is under the jurisdiction of ASTM Committee D-33 on Protective photographs, or both. The lighting fixtures shall be equipped
Coating and Lining Work for Power Generation Facilities and is the direct
with a safety guard to minimize breakage and injury.
responsibility of Subcommittee D33.09 on Protective Linings for FGD Systems.
Current edition approved March 10, 1996. Published May 1996. Originally
published as D 4619 – 86. Last previous edition D 4619 – 91.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 4619
6.1.3 Access to Lining Surfaces—The access equipment 8. Report
must meet all safety requirements of OSHA and the owner/
8.1 The owner/operator shall designate who is responsible
operator. The equipment must be capable of placing the
for the preparation of an inspection report.
inspectors close enough to the lining surface to
...
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