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P1r. R.i.chnr.cl Uomi.~`• • <br />;;Cihulat.ion IL.::al~on:;~~:; <br />Uctober. 7.7, ].981 <br />Page Three <br />Wyoming Fucl Company Response: <br />To limit the velocity to less than 4 fps in diversion Ditch E, <br />Wyoming Fuel Company will construct the ditch ^t a slope of <br />less than 1.a and install riprap in areas subject to erosion. <br />There is a possibi.lit_y that- much of the ditch will be cut in <br />. rock, thereby reducing the potenl-ial for erosion. <br />Stipulation: <br />5. [Vyominy fuel Com{?any will [>rov.ide a revised design dracving of <br />diversion Ditch CI (cross-section) which shows the greatest- <br />depth of cut necessary to establ.i:;h yrac7e and describe the <br />intended disposition of material e::cavatrxl in the construction, <br />prior to any work being done on diversion Ditch T. <br />Wyoming Fuel Company Res{~onse: <br />As shown on the accompanying f.igurc, the ditch will. be cut into <br />the uppermost m.ininy bench. Consequently, the material that is <br />excavated will be back Li ].led with the rest of the overburden. <br />Stipulation: <br />6. Wyoming Fuel Company must provide a report to the Division <br />annually of crater quantity measurements made aL- the site. <br />These measurements will. include monthly hea}: flows as measured <br />by the crest stage recorder from idny throu~.th September, as well <br />as the weekly weir measurements mode during the runoff season. <br />Wyoming Fuel Company P.esponsc: <br />Wyoming Fuel Company ~~~ill provide the Division with annual <br />water quantity measurements on the site including peak flows <br />from Nlay through September and weekly rncasurements during the <br />runoff season. The first annual report will be supplied one <br />year from the date of permit issuance. <br />Stipulation: <br />7, Wyoming I'ucl Company will provide a writer quality report by <br />October 30, 1982, of two samples obtained at least one week <br />apart during the runoff season and two samples obtained dur- <br />ing the Summer convective storm season, from each of the <br />.water monitorin.q stations. The report shall specify the <br />dates and locations at which each of the samples was obtained <br />and shall provide measurements of. all of the parameters listed <br />on Page 2 of the List of Stipulations for Wyoming Fucl Company <br />Canadian Strip I1.ine, Pile No. C-07.6-81. <br />