PD BACKGROUND REPORT (PL-SPP-2022-000012)

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BYamadaSPP.crk.5.23.2022 COUNTY OF HAWAIJ PLANNING DEPARTMENT BACKGROUND REPORT YAMADA & SONS, INC. SPECIAL PERMIT APPLICATION PL-SPP-2022-000012 YAMADA & SONS, INC is requesting a Special Permit to allow the establishment of a quarry operation and related improvements and activities on a 37.882-acre portion of a larger 2,407-acre parcel of land in the State Land Use Agricultural District. The project site is located to the south of the Hilo Sanitary Landfill and adjacent to the east of existing quarries on the subject, State- owned property within the District of Waiakea, South Hilo, Hawaii, TMK: (3) 2-1-013:002 (por). APPLICANT'S REQUEST 1. Request: The applicant is requesting a Special Permit to establish a new quarry site on approximately 37.882 acres of land on a portion of a larger, 2,407-acre, State-owned property situated within the State Land Use Agricultural District. The applicant proposes to extract 25,000 tons of raw rock material per month, and with the excavation reaching a proposed depth of eighty (80) feet from existing grade, the quarry is expected to have an active lifetime of roughly thirty (30)years. Excavation of rock will be accomplished through the use of heavy equipment when possible. If impenetrable rock is encountered during excavation activities, drilling and blasting will be performed. As rock material is excavated, the perimeter of the permit area will have engineered fill with a 3:1 slope to avoid a sheer drop and facilitate future use should a suitable use be contemplated. A vegetative buffer will also be provided around the perimeter of the permit area. 2. Reason for the Request: The applicant has effectively exhausted its supply of quality rock material from its existing and adjacent 14.99-acre quarry that began operation in November 2010 under Special Permit No. 10-110. This new quarry operation would allow the applicant to continue harvesting essential rock resources for the manufacture of base course, and components of hot mix asphalt and concrete needed for the construction of many public and private projects. Excavated rock will either be stockpiled on-site or removed and trucked off-site to Yamada& Sons' quarry base yard located off of Railroad Avenue for crushing/processing and sale.