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i- <br />}:RISER-SIEI'Ef.S DITCH P10DIF1CATIOI;S <br /> <br />:his response is in answer to the letter dated August lb, 19b1 from Colorado <br />*tined Land Reclamation concerning the i:aiser-Sievers Ditch. <br />1. Snowmr.ss must submit the engineered construction designs for the existing <br />ditch modification to demonstrate that the foundation and concrete structure <br />will remain functional throughout the projected life of the mine. As reouired <br />under Section 2.10.3(2), the designs and drawings must be certified by a qual- <br />ified registered professional engineer. <br />Engineered construction design for the eisting _,ru,cur~, <br />Drawin5 Kaiser-Sievers Ditch repair i5 `CrCiShet c? p0l: Cf !!;:~ ~:: Dmiit6l. <br />2. Sr.owvnass must submit removal tests of this structure ar.d inciuu~ t„~5~ <br />costs as part of the bond reouired by Rule 3 <br />The COSL iC.^ .^emOb'al Oi the Structure i_ cclueec In the reclamation, <br />cost sec:'rr. <br />3. Sno4~coass must submit as part of the application, a plan to replace the <br />water supply of the ditch user in the event failure of the ditch occurs. The <br />plan should be designed such that the users water supply is not interrupted <br />fora period of time that would result in crop damage. SnO~.l11a55 should include <br />a worse case estimate of the time reouired to implement this plan. <br />If the ditch should fail, Snowr„ass would commence repairing <br />the ditch within four hours of being notified of any problems with <br />the ditch and a joint inspection with representatives of Snowmass <br />and Sievers Ranch and Development to determine the action co be <br />taken. 1,'ater could be put in the ditch a ma>:imum of twelve hours <br />after construction begins. <br />4. Snowmass must commit to inspecting the ditch alteration dail}' during the <br />irrigation season and to report any leak=_ or potential failure to both the <br />Division and the downstream user immediatel}•. <br />