Standard Specification for Precast Concrete Septic Tanks

ABSTRACT
This specification covers monolithicor sectional precast concrete septic tanks. The following materials shall be used for manufacturing concrete septic tank: cement, aggregates, water, admixtures, steel reinforcement, concrete mixtures, forms, concrete placement, fibers, and sealants. The precast concrete sections shall be cured. Structural design of the septic tanks shall be by calculation or by performance. Concrete strength, reinforcing steel placement, and openings shall also be considered in the design. The physical design requirements include: capacity, shape, compartments, influent and effluent pipes, baffles and outlet devices, and openings in top slab. The following tests shall also be done: proof testing, leakage testing, vacuum testing, and water-pressure testing.
SCOPE
1.1 This specification covers design requirements, manufacturing practices, and performance requirements for monolithic or sectional precast concrete septic tanks.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3 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.

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Publication Date
14-Jan-2008
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 1227 – 08
Standard Specification for
1
Precast Concrete Septic Tanks
This standard is issued under the fixed designation C 1227; 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 150 Specification for Portland Cement
C 231 Test Method for Air Content of Freshly Mixed
1.1 This specification covers design requirements, manufac-
Concrete by the Pressure Method
turing practices, and performance requirements for monolithic
C 260 Specification forAir-EntrainingAdmixtures for Con-
or sectional precast concrete septic tanks.
crete
1.2 The values stated in SI units are to be regarded as the
C 330 Specification for Lightweight Aggregates for Struc-
standard. The values given in parentheses are for information
tural Concrete
only.
C 494/C 494M Specification for Chemical Admixtures for
1.3 This standard does not purport to address all of the
Concrete
safety concerns, if any, associated with its use. It is the
C 595 Specification for Blended Hydraulic Cements
responsibility of the user of this standard to establish appro-
C 618 Specification for Coal Fly Ash and Raw or Calcined
priate safety and health practices and determine the applica-
Natural Pozzolan for Use in Concrete
bility of regulatory limitations prior to use.
C 685/C 685M Specification for Concrete Made by Volu-
2. Referenced Documents metric Batching and Continuous Mixing
2
C 890 Practice for Minimum Structural Design Loading for
2.1 ASTM Standards:
Monolithic or Sectional Precast Concrete Water and
A 82/A 82M Specification for Steel Wire, Plain, for Con-
Wastewater Structures
crete Reinforcement
C 990 Specification for Joints for Concrete Pipe, Manholes,
A 185/A 185M Specification for Steel Welded Wire Rein-
and Precast Box Sections Using Preformed Flexible Joint
forcement, Plain, for Concrete
Sealants
A 496/A 496M Specification for Steel Wire, Deformed, for
C 1116/C 1116M Specification for Fiber-Reinforced Con-
Concrete Reinforcement
crete
A 497/A 497M Specification for Steel Welded Wire Rein-
3
2.2 ACI Standard:
forcement, Deformed, for Concrete
ACI 318 Building Code Requirements for Reinforced Con-
A 615/A 615M Specification for Deformed and Plain
crete
Carbon-Steel Bars for Concrete Reinforcement
4
2.3 NSF/ANSI Standard:
A 706/A 706M Specification for Low-Alloy Steel De-
NSF/ANSI 46–2005 Evaluation of Components and De-
formed and Plain Bars for Concrete Reinforcement
vices used in Wastewater Treatment Systems
A 996/A 996M Specification for Rail-Steel and Axle-Steel
Deformed Bars for Concrete Reinforcement
3. Terminology
C33 Specification for Concrete Aggregates
3.1 For definitions of terms relating to concrete, see Termi-
C 39/C 39M Test Method for Compressive Strength of Cy-
nology C 125.
lindrical Concrete Specimens
3.2 Definitions of Terms Specific to This Standard:
C 94/C 94M Specification for Ready-Mixed Concrete
3.2.1 access opening, n—hole in the top slab used to gain
C 125 Terminology Relating to Concrete and Concrete
access to the inside of the tank for the purpose of cleaning and
Aggregates
removing sludge without a person actually having to enter the
tank.
3.2.2 air scum volume, n—number of cubic inches (centi-
1
This specification is under the jurisdiction ofASTM Committee C27 on Precast
metres) in the space between the liquid surface and the
ConcreteProductsandisthedirectresponsibilityofSubcommitteeC27.30onWater
underside of the top slab.
and Wastewater Containers.
Current edition approved Jan. 15, 2008. Published February 2008. Originally
approved in 1993. Last previous edition approved in 2007 as C 1227 – 07c.
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 fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C1227–08
3.2.3 baffle, n—device placed in a tank to dissipate energy, 3.2.25 tee, n—“T”-shaped pipe fitting made of corrosion-
direct flow, retain solids, and/or draw liquid off at a specific resistant materials used to connect horizontal piping with
depth. vertical piping and used to provide access for cleaning piping.
3.2.4 baffle, inlet, n—tee or wall segment
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:C1227–07c Designation: C 1227 – 08
Standard Specification for
1
Precast Concrete Septic Tanks
This standard is issued under the fixed designation C 1227; 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
1.1 This specification covers design requirements, manufacturing practices, and performance requirements for monolithic or
sectional precast concrete septic tanks.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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.
2. Referenced Documents
2
2.1 ASTM Standards:
A 82/A 82M Specification for Steel Wire, Plain, for Concrete Reinforcement
A 185/A 185M Specification for Steel Welded Wire Reinforcement, Plain, for Concrete
A 496/A 496M Specification for Steel Wire, Deformed, for Concrete Reinforcement
A 497/A 497M Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete
A 615/A 615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement
A 706/A 706M Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement
A 996/A 996M Specification for Rail-Steel and Axle-Steel Deformed Bars for Concrete Reinforcement
C 33 Specification for Concrete Aggregates
C 39/C 39M Test Method for Compressive Strength of Cylindrical Concrete Specimens
C 94/C 94M Specification for Ready-Mixed Concrete
C 125 Terminology Relating to Concrete and Concrete Aggregates
C 150 Specification for Portland Cement
C 231 Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
C 260 Specification for Air-Entraining Admixtures for Concrete
C 330 Specification for Lightweight Aggregates for Structural Concrete
C 494/C 494M Specification for Chemical Admixtures for Concrete
C 595 Specification for Blended Hydraulic Cements
C 618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
C 685/C 685M Specification for Concrete Made by Volumetric Batching and Continuous Mixing
C 890 Practice for Minimum Structural Design Loading for Monolithic or Sectional Precast Concrete Water and Wastewater
Structures
C 990 Specification for Joints for Concrete Pipe, Manholes, and Precast Box Sections Using Preformed Flexible Joint Sealants
C1116Specification for Fiber-Reinforced Concrete and Shotcrete 1116/C 1116M Specification for Fiber-Reinforced Concrete
3
2.2 ACI Standard:
ACI 318 Building Code Requirements for Reinforced Concrete
4
2.3 NSF/ANSI Standard:
NSF/ANSI 46–2005 Evaluation of Components and Devices used in Wastewater Treatment Systems
1
This specification is under the jurisdiction of ASTM Committee C27 on Precast Concrete Products and is the direct responsibility of Subcommittee C27.30 on Water
and Wastewater Containers.
Current edition approved Oct.Jan. 15, 2007.2008. Published November 2007.February 2008. Originally approved in 1993. Last previous edition approved in 2007 as
C 1227 – 07bc.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http://www.aci-int.org.
4
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C1227–08
3. Terminology
3.1 For definitions of terms relating to concrete, see Terminology C 125.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 access opening, n—hole in the top slab used to gain access to the inside of the tank for the purpose of cleaning and
removing sludge without a person actually having to enter the tank.
3.2.2 air scum volume, n—number of cubic inches (centimetres) in the space between the liquid surface and the underside of
...

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