1.1 This guide covers procedures for the design and construction of engineered structural fills using coal fly ash, bottom ash, or ponded ash.
1.2 The utilization of coal ash under this guide is a component of a pollution prevention program; Guide E 1609 describes pollution prevention activities in more detail. Utilization of coal ash in this manner conserves land, natural resources, and energy.
1.3 This guide applies only to fly ash and bottom ash produced primarily by the combustion of coal.
1.4 The testing, engineering, and construction practices for coal ash fills are similar to generally accepted practices for natural soil fills. Coal ash structural fills should be designed using generally accepted engineering practices.
1.5 Laws and regulations governing the use of coal ash vary by state. The user of this guide has the responsibility to determine and comply with applicable requirements.
1.6 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.
1.7 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 requirements prior to use.
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