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Ninth Technical Revision(TR09)to Permit M-1973-021,Holcim-WCR,Inc.Morrison Quarry <br /> installed west quarry haul road. The drainage diversion structures were sized based on calculated <br /> 100-year peak flow rates and runoff volumes to limit impacts to reclaimed areas and existing <br /> drainage infrastructure. The drainage channel along the South Quarry West wall is a permanent <br /> feature and its final configuration can be found on Exhibit F-1. The diversion channel chute is a <br /> temporary feature that will be removed or modified as the West Quarry mine plan progresses. The <br /> updated design will be completed at a later date. <br /> Attachment B presents the detailed design for the South Quarry West Wall drainage. <br /> Schedule for Satellite South Pit Buildout <br /> Phase III development schedule remains unchanged. The West Quarry will be mined concurrently <br /> with the Satellite South Pit. The Satellite South Pit is anticipated to take up to three years to <br /> complete. <br /> October 2023 1 5 <br />