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Significance and Use
5.1 This practice is intended to standardize the minimum structural design loading for underground precast concrete utility structures.
5.2 The user shall verify the anticipated field conditions and requirements with design loads greater than those specified in this standard.
1.1 This practice describes the minimum live loads and dead loads to be applied when designing monolithic or sectional precast concrete utility structures. Concrete pipe, box culverts, and material covered in Specification are excluded from this practice.
Note 1: For additional information see AASHTO Standard Specification for Highway Bridges, Seventeenth Edition.
Note 2: The purchaser is cautioned that he must properly correlate the anticipated loading conditions and the field requirements with the design loads used.
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 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.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C478 Specification for Circular Precast Reinforced Concrete Manhole Sections
ICS Number Code 91.100.30 (Concrete and concrete products)
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ASTM C857-19, Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top