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MISCELLANEOUS ACTIVITIES:
<br /> Plants other than processing plants(trains):Any temporary,portable plants and facilities(such as ready-mixed concrete
<br /> and hot-mixed asphalt) will be located on the Dutton Ranch only with the prior approval of the landowner and the
<br /> County, and only if essential and would be placed in the Plant Site normally. It may be necessary to put these in areas
<br /> in which reclamation is delayed for short periods in compliance with State and County permits,including portable plants
<br /> which may or may not be directly related to mining activities. Portable plants will located on-site for a specific period of
<br /> time.
<br /> Dealinq with oversize materials: Due to the nature of the deposit, there is potential for oversize materials(cobbles or
<br /> boulders).These either will be crushed for aggregate,stockpiled and sold as-is,or used as backfill. Explosives will not
<br /> be used but pneumatic hammers or breakers may be used in exceptional conditions.
<br /> Customer-furnished materials: Customers often have need of a place to dispose of clean construction and demolition
<br /> materials.The Oakbrush Hill operation will accept those in accordance with CDRMS and CDPHE requirements.Clean
<br /> debris (earth, rock, concrete rubble, asphalt pavement) may be classified (characterized), determined to be safe for
<br /> use in accordance with County, CDRMS and CDPHE requirements, and brought to the site for processing similar to
<br /> excavated material for recycling as construction materials,or for use as backfill for reclamation.
<br /> Hazardous materials, including fuels and lubricants: Fuel tanks necessary for equipment and plants may be located
<br /> on-site (in the plant area or adjacent/integral to temporary facilities), in adequate secondary containment and
<br /> documentation/registration to meet US EPA,CDRMS,CDPHE,and CDLE requirements. Some maintenance of rolling
<br /> stock may be performed in the permit area. Other chemicals necessary for maintenance, including cleaning, of
<br /> equipment and rolling stock, may be stored and used on site, and will be kept in suitable containers and secondary
<br /> containment. Some specific chemicals will be transported, stored and used in accordance with MSHA-compliant
<br /> training and operations, good engineering practice, and other regulatory requirements. This may include(but are not
<br /> limited to) pesticides, herbicides, dust-control chemicals, road salt(ice control materials, including that added to sand
<br /> produced at the operation),fertilizer and cleaning products. Hazardous materials improperly brought to the operation
<br /> will be characterized,segregated, documented,reported,and removed from site in accordance with applicable federal
<br /> (RCRA), state and local regulations including MSHA HazCom and RCRA requirements. This includes both illegally
<br /> dumped material,found material,and things accidently brought on site as well as hazardous wastes generated on site.
<br /> Plant Site additional information: The plant site will be graded to post-mining (reclamation)contours but will not have
<br /> soil replaced nor revegetated, if there is a significant chance that the area will be used in the next year. Plant sites(or
<br /> portions)will have soil replaced and be reclaimed within 12 months after an area is determined to no longer be needed
<br /> for plant, stockpile, and traffic use, but some of the area may continue to be used for ranch support activities and
<br /> therefore not have soil placed or be vegetated. Exposed (unplanted) areas will use alternative dust- and erosion-
<br /> control measures. Fencing, signs,or other markings will be used to prevent problems with traffic and other activities in
<br /> such areas. Portions of the site may be leased out to other operators (with landowner approval); such leases will
<br /> include requirements to ensure control of dust, storm water, and other potential pollution problems (including
<br /> compliance with all regulatory and permit requirements).
<br /> Water: See Exhibit G. Water for dust control and other uses associated with mining will be trucked into the site and
<br /> may be stored in above ground containers or in-ground basins until used. These will be located and maintained in
<br /> such a way as to prevent surface discharge outside the affected area, and to prevent or minimize water erosion,weed
<br /> infestations, and other detrimental impacts. Other affected but not yet reclaimed areas may be used for temporary
<br /> storage of equipment for use on or off-site.
<br /> SITE DEVELOPMENT AND ACCOMODATION:
<br /> No permanent structures or buildings shall be constructed in conjunction with mining and reclamation,except for:
<br /> a. Culverts and related drainage structures related to private roadways which may remain after mining.
<br /> b. Discharge structures if necessary for good engineering and environmental practice for swales, ditches,
<br /> berms, retention(or detention),or related water management structures(not for offsite discharge).
<br /> Temporary structures and devices may be located on site in conjunction with mining activities, including but not limited
<br /> to storm water/process water management controls, storage/shipping containers, secondary containment for
<br /> C&J Gravel Products, Inc. Page 18 of 93 20 OCT 2021
<br /> Application for Permit: Oakbrush Hill Gravel M-2021- C&J-DPR-V5-001
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