Standard Specification for Underground Precast Concrete Utility Structures

ABSTRACT
This specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Forms shall be accurately constructed and strong enough to maintain the structure's dimensions within the tolerances. Forms shall be cleaned before each use. The aggregates shall be sized, graded, proportioned, and thoroughly mixed in a batch mixer with proportions of cement and water as will produce a homogeneous concrete having the required specified compressive strength. Concrete shall be deposited as nearly as practicable in its final position. Structures shall be cured by an accepted industry method that will develop the required 28-day compressive strength without affecting the long-term durability of the concrete. The elastic method of structural design or the strength design method of reinforced concrete design, shall be used to design the concrete sections, including the reinforcement required, when the structure is subjected to the specified loading conditions. The structural design shall take into consideration the number, placement, and size of access openings. The minimum floor thickness resulting from slope shall be considered as the nominal floor thickness in the design of the structure. Duct terminators, knockouts, and sumps shall be designed to carry the loads imposed upon them. Compressive-strength of the concrete shall be tested to meet the requirements prescribed. Joints in sectional precast concrete structure shall be designed so as to be self-aligning when assembling sections of the structure. Design of lifting devices shall conform to requirements specified.
SCOPE
1.1 This specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Concrete pipe and box culverts are not covered under this specification. Also, precast concrete manholes covered in Specification C 478 are excluded from this specification.

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Historical
Publication Date
31-May-2007
Drafting Committee
Current Stage
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ASTM C858-07 - Standard Specification for Underground Precast Concrete Utility Structures
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 858 – 07
Standard Specification for
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Underground Precast Concrete Utility Structures
This standard is issued under the fixed designation C 858; 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 C 192/C 192M Practice for Making and Curing Concrete
Test Specimens in the Laboratory
1.1 This specification covers the recommended design cri-
C 231 Test Method for Air Content of Freshly Mixed
teria and manufacturing practices for monolithic or sectional
Concrete by the Pressure Method
precast concrete utility structures. Concrete pipe and box
C 260 Specification forAir-EntrainingAdmixtures for Con-
culverts are not covered under this specification. Also, precast
crete
concretemanholescoveredinSpecificationC 478areexcluded
C 330 Specification for Lightweight Aggregates for Struc-
from this specification.
tural Concrete
2. Referenced Documents
C 478 Specification for Precast Reinforced Concrete Man-
2
hole Sections
2.1 ASTM Standards:
C 494/C 494M Specification for Chemical Admixtures for
A 82/A 82M Specification for Steel Wire, Plain, for Con-
Concrete
crete Reinforcement
C 595 Specification for Blended Hydraulic Cements
A 184/A 184M Specification for Welded Deformed Steel
C 618 Specification for Coal Fly Ash and Raw or Calcined
Bar Mats for Concrete Reinforcement
Natural Pozzolan for Use in Concrete
A 185/A 185M Specification for Steel Welded Wire Rein-
C 857 Practice for Minimum Structural Design Loading for
forcement, Plain, for Concrete
Underground Precast Concrete Utility Structures
A 496/A 496M Specification for Steel Wire, Deformed, for
2.2 American Concrete Institute Standard:
Concrete Reinforcement
ACI 318 Building Code Requirements for Reinforced Con-
A 497/A 497M Specification for Steel Welded Wire Rein-
3
crete
forcement, Deformed, for Concrete
2.3 American Welding Society Standard:
A 615/A 615M Specification for Deformed and Plain
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AWS-D1.4 Structural Welding Code Reinforcing Steel
Carbon-Steel Bars for Concrete Reinforcement
A 706/A 706M Specification for Low-Alloy Steel De-
3. Terminology
formed and Plain Bars for Concrete Reinforcement
3.1 Definition of Term Specific to this Standard:
A 996/A 996M Specification for Rail-Steel and Axle-Steel
3.1.1 utility structure—a structure that is used by electric,
Deformed Bars for Concrete Reinforcement
gas, communication, or similar industries.
C 31/C 31M Practice for Making and Curing Concrete Test
Specimens in the Field
4. Ordering Information
C33 Specification for Concrete Aggregates
4.1 Unless otherwise stipulated by the purchaser in his
C 39/C 39M Test Method for Compressive Strength of Cy-
order, a structure produced in accordance with this specifica-
lindrical Concrete Specimens
tion and constructed in accordance with the design drawings
C 42/C 42M Test Method for Obtaining and Testing Drilled
approved by the purchaser shall be acceptable.
Cores and Sawed Beams of Concrete
C 94/C 94M Specification for Ready-Mixed Concrete
5. Materials
C 150 Specification for Portland Cement
5.1 Cement—Portland cement shall conform to the require-
ments of Specification C 150 or shall be portland blast-furnace
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This specification is under the jurisdiction ofASTM Committee C27 on Precast
slag cement or portland pozzolan cement conforming to the
Concrete Products and is the direct responsibility of Subcommittee C27.10 on
requirements of Specification C 595.
Utility Structures.
Current edition approved June 1, 2007. Published June 2007. Originally
approved in 1978. Last previous edition approved in 2004 as C 858 – 83 (2004).
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available fromAmerican Concrete Institute (ACI), P.O. Box 9094, Farmington
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Hills, MI 48333-9094, http://www.aci-int.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
the ASTM website. Miami, FL 33126, http://www.aws.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C858–07
5.2 Aggregates—Aggregate shall conform to Specification gation of materials. Concrete that has partially hardened or has
C33 and light-weight aggregate shall conform to Specification beencontaminatedbyforeignmaterialshallnotbedepositedin
C 330, except that the requirements for grading shall not apply. the form.
5.3 Admixtures—Admixtures may be used provided such
6.5 Curing—Structures shall be cured by
...

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