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

will be supplied in accordance with ASME Boiler and Pressure Vessel Code, Section VIII,
Division I.
Oxygen
Oxygen will be required for the operation of the retort. It will be delivered by truck and stored in
a 1500-gallon liquid oxygen storage tank (6.5 feet in diameter by 15.75 feet tall), and equipped
with a vaporizer. The tank will be provided by the oxygen supplier, having a maximum
allowable working pressure of 250 psig, and the oxygen gas will be delivered by pipe to the
retort. The tank will comply with ASME BPVC VIII Division I and will conform to the
applicable guidelines of the National Fire Protection Association (NFPA), (see Appendix 1-B
Piping and Instrumentation Diagrams).
Nitrogen
Nitrogen will also be required for the operation of the retort. It will be delivered by truck and
stored in a 3000-gallon liquid nitrogen storage tank (8 feet in diameter by 17.67 feet tall). The
tank will be provided by the nitrogen supplier, having a maximum allowable working pressure of
250 psig, and the nitrogen gas will be delivered by pipe to the retort. The tank will comply with
ASME BPVC VIII Section I, (see Appendix 1-B Piping and Instrumentation Diagrams).
1.5.4 Water Supply and Treatment
The fresh water distribution system will be a constant pressure system. Given the length of
storage (approximately seven days), the water will be filtered through a 0.45 micron cartridge
filter, and disinfected using an ultraviolet (UV) beam before use. This water will be used for
washrooms, locker rooms and showers. Drinking water will be supplied in bottles.
1.5.5 Fire Water/Suppression Systems
Related Codes and Standards
The following codes and standards were reviewed and consulted in designing the fire protection
system:
International Building Code - 2012 (IBC).
International Fire Code - 2012 (IFC).
NFPA Codes to the extent applicable.
Materials of Construction
The proposed TSF, Utility Building, and any structural elements will be constructed from noncombustible
materials.
Automated process equipment will contain minimal combustible material, but will include
motors and some form of mechanical actuation (e.g., electrical, pneumatic, hydraulic).
PMR RCRA Permit Application, Dry Hills Facility Page 43
JBR Environmental Consultants, Inc. | HATCH March 2013