Standard Specification for Precast Concrete Duct Bank

SCOPE
1.1 This specification includes the manufacturing requirements and installation guidelines of a precast duct bank system including polyvinyl chloride (PVC) duct enclosed in a concrete envelope. This specification also includes information relating to trenching, backfilling, plugging, and other incidentals necessary for a complete installation.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 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.

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Publication Date
31-Dec-2020
Current Stage
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ASTM C1903-21 - Standard Specification for Precast Concrete Duct Bank
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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: C1903 −21
Standard Specification for
1
Precast Concrete Duct Bank
This standard is issued under the fixed designation C1903; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope C42/C42MTest Method for Obtaining and Testing Drilled
Cores and Sawed Beams of Concrete
1.1 This specification includes the manufacturing require-
C138/C138MTestMethodforDensity(UnitWeight),Yield,
mentsandinstallationguidelinesofaprecastductbanksystem
and Air Content (Gravimetric) of Concrete
includingpolyvinylchloride(PVC)ductenclosedinaconcrete
C143/C143MTest Method for Slump of Hydraulic-Cement
envelope. This specification also includes information relating
Concrete
to trenching, backfilling, plugging, and other incidentals nec-
C150/C150MSpecification for Portland Cement
essary for a complete installation.
C231/C231MTestMethodforAirContentofFreshlyMixed
1.2 Thevaluesstatedininch-poundunitsaretoberegarded
Concrete by the Pressure Method
as standard. The values given in parentheses are mathematical
C260/C260MSpecification for Air-Entraining Admixtures
conversions to SI units that are provided for information only
for Concrete
and are not considered standard.
C309Specification for Liquid Membrane-Forming Com-
1.3 This international standard was developed in accor-
pounds for Curing Concrete
dance with internationally recognized principles on standard-
C494/C494MSpecification for Chemical Admixtures for
ization established in the Decision on Principles for the
Concrete
Development of International Standards, Guides and Recom-
C595/C595MSpecification for Blended Hydraulic Cements
mendations issued by the World Trade Organization Technical
C618Specification for Coal Fly Ash and Raw or Calcined
Barriers to Trade (TBT) Committee.
Natural Pozzolan for Use in Concrete
C805/C805MTest Method for Rebound Number of Hard-
2. Referenced Documents
ened Concrete
2
2.1 ASTM Standards:
C822Terminology Relating to Concrete Pipe and Related
A615/A615MSpecificationforDeformedandPlainCarbon-
Products
Steel Bars for Concrete Reinforcement
C979/C979MSpecification for Pigments for Integrally Col-
A706/A706MSpecification for Deformed and Plain Low-
ored Concrete
Alloy Steel Bars for Concrete Reinforcement
C989/C989MSpecification for Slag Cement for Use in
A1064/A1064MSpecification for Carbon-Steel Wire and
Concrete and Mortars
Welded Wire Reinforcement, Plain and Deformed, for
C1017/C1017MSpecification for Chemical Admixtures for
Concrete
Use in Producing Flowing Concrete
C31/C31MPractice for Making and Curing Concrete Test
C1064/C1064MTest Method for Temperature of Freshly
Specimens in the Field
Mixed Hydraulic-Cement Concrete
C33/C33MSpecification for Concrete Aggregates
C1116/C1116MSpecificationforFiber-ReinforcedConcrete
C39/C39MTestMethodforCompressiveStrengthofCylin-
C1157/C1157MPerformance Specification for Hydraulic
drical Concrete Specimens
Cement
C1602/C1602MSpecification for Mixing Water Used in the
Production of Hydraulic Cement Concrete
1
This test method is under the jurisdiction of ASTM Committee C13 on
C1609/C1609MTest Method for Flexural Performance of
Concrete Pipe and is the direct responsibility of Subcommittee C13.01 on
Fiber-ReinforcedConcrete(UsingBeamWithThird-Point
Non-Reinforced Concrete Sewer, Drain and Irrigation Pipe.
Loading)
Current edition approved Jan. 1, 2021. Published January 2021. DOI: 10.1520/
C1903-21
C1611/C1611MTest Method for Slump Flow of Self-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Consolidating Concrete
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
C1619Specification for Elastomeric Seals for Joining Con-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. crete Structures
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1903 − 21
C1812/C1812MPracticeforDesignofJournalBearingSup- 5.1.1 Cement—Cementshallconformtotherequirementsof
portstobeUsedinFiberReinforcedConcreteBeamTests Specification C150/C150M or C1157/C1157M, or shall be
D5334Test Method for Determination of Thermal Conduc- blended cement conforming to the requirements of Specifica-
tivity of Soil and Soft Rock by Thermal Needle Probe tion C595/C595M.
Procedure
5.1.2 Slag Cement—Slag cement shall conform to the re-
D7957/D7957MSpecification for Solid Round Glass Fiber
...

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