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ASTM C478M-19

Current Revision

Standard Specification for Circular Precast Reinforced Concrete Manhole Sections (Metric) (Withdrawn 2020)

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1.1 This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular vertical precast reinforced concrete manholes and structures used in sewer, drainage, and water works.

1.2 Part I, Sections 1 – 11, of this specification presents general requirements and requirements which are common to each precast concrete product covered by this specification.

1.3 Part II of this specification presents specific requirements for each manhole product in the following sections:

 

Product

Section

 

 

Grade Rings

12

 

 

Flat Slab Tops

13

 

 

Risers and Conical Tops

14

 

 

Base Sections

15

 

 

Steps and Ladders

16

 

Note 1: Future products will be included in Part II in a future revision of this specification.

1.4 This specification is the SI companion to C478.

Note 2: This specification is a manufacturing and purchase specification only, and does not include requirements for backfill, or the relationship between field load conditions and the strength requirements of the manhole products and appurtenances. Experience has shown, however, that the successful performance of this product depends upon the proper selection of the product strength, type of foundation and backfill, and care in the field installation of the manhole products and connecting pipes. The owner of the project for which these products are specified herein is cautioned to require inspection at the construction site.

1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 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.


This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular vertical precast reinforced concrete manholes and structures used in sewer and water works. Reinforced concrete shall consist of cementitious materials, mineral aggregates, and water, in which steel reinforcement has been embedded in such a manner so that the steel reinforcement and concrete act together. Aggregates shall conform to the specification , except that the requirements for gradation shall not apply. Minimum compressive strength of concrete manhole products covered must meet the requirement. The aggregates shall be sized, graded, proportioned, and mixed with such proportions of cementitious materials and water as will produce as homogeneous concrete mixture of such quality that the products will conform to the test and design requirements. Concrete products shall be subjected to either steam or water curing. Test methods such as compression and absorption testing shall be performed.


SDO ASTM: ASTM International
Document Number C478
Publication Date July 15, 2019
Language en - English
Page Count 10
Revision Level 19
Supercedes
Committee C13.06
Publish Date Document Id Type View
July 15, 2019 C0478M-19 Revision
Jan. 1, 2018 C0478M-18 Revision
Oct. 15, 2015 C0478M-15A Revision
Jan. 1, 2015 C0478M-15 Revision
Sept. 15, 2014 C0478M-14 Revision
April 1, 2013 C0478M-13 Revision
Oct. 1, 2012 C0478M-12A Revision
May 1, 2012 C0478M-12 Revision
Nov. 1, 2011 C0478M-11 Revision
Feb. 1, 2009 C0478M-09 Revision
March 15, 2008 C0478M-08E01 Revision
March 15, 2008 C0478M-08 Revision
March 1, 2007 C0478M-07 Revision
June 1, 2006 C0478M-06B Revision
Feb. 15, 2006 C0478M-06A Revision
Feb. 1, 2006 C0478M-06 Revision
Oct. 15, 2005 C0478M-05 Revision
Aug. 10, 2003 C0478M-03A Revision
Sept. 10, 2002 C0478M-03 Revision
April 10, 1997 C0478M-97 Revision