Precious Metals Recovery LLC RCRA Permit Application Dry Hills ...

11.10 Seismic Considerations – 40 CFR 270.14(b)(11), 264.18(a), & 264
Appendix VI
As documented in the COD Issuance Letter (Appendix 11-A), the site will not be located within
3,000 feet of a fault that has had a displacement in Holocene time, as required by 40 CFR
270.14(b)(11).
Figure 11.3-1 in Appendix 11-B is a graphical representation of the proposed TSF. A
geotechnical evaluation of the site was conducted in 2012. The report findings are contained in
Appendix 20-C.
All building structures, storage racks, process equipment, and supporting foundations/structures
will be designed based on the seismic load criteria presented in Table 11.10-1 below.
Table 11.10-1: Seismic Conditions
Parameter Value
Mapped Spectral Acceleration - Ss (g): 0.619 (g) for Site D
Mapped Spectral Acceleration - S1 (g): 0.197 (g) for Site D
Building Occupancy Category IV
Seismic Importance Factor 1.5
Ss and S1 are defined in ASCE7-2010 “Minimum Design Loads for Buildings and Other Structures” as:
Ss = Mapped MCER, 5% damped, spectral response acceleration parameter at short periods.
S1= Mapped MCER, 5% damped, spectral response acceleration parameter at a period of 1s.
11.11 Buildings and Other Structures – 40 CFR 270.14(b)(19)
As currently designed, two buildings will be located within the proposed TSF compound: the
proposed TSF Building and the Utility Building, which is not located within the RCRA area.
The total area of the proposed TSF Building will be approximately 33,600 square feet, and is
further discussed in Section 1.1.
The Utility Building is discussed in Section 1.5.
PMR RCRA Permit Application, Dry Hills Facility Page 86
JBR Environmental Consultants, Inc. | HATCH March 2013