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Ms. Smxba L. Brown <br />Dnicuor cf Muerals and Gedogy <br />l~o,e 7, 2000 <br />Pale 2 <br />Carrrerrt 3 - Please ersrrre tlxri de C~xt-aticva Plan Exhdzt 12-3 and a/1 tdrr pertvrrn rmps vdading de <br />reusal Pad 006 Plese V Subuaters/~l Map, and dx mrisel Pads 015, 016, and 017 Wate~she<l Maps <br />acanataty n~ all pnpael dargs in dudrt~ef arau iersra radisnrrEel areas. <br />Response -Based on the response to Comment 2, all of the existing exhibits now accurately <br />reflect the areas to be disturbed versus tmdisturbed. <br />Camerc 4 -Pad 006 Plxue V Sraretury sorts that d~ CYem Water Ditesitn no lager exists, Es¢ dcs ra <br />pnnide ratianle for rerruurg t!x dirersian 71x ditersim appern to Ee larrtel in an rmarstrrrCtrl area. Aaadtrg <br />to appraral Tale 13-2-1, this ditersian rereirs drairage from 81.4 aos. iCrrll dx nox$dirt vas otlxrreise <br />tlisettel, Haut report to Pad 006 with tlx prrloael reirnud of d~ diversiar' If sq hu dx adcGtianl 81.4 acre <br />drairage area Fzrn i+mrprrratel vuo dx nzrri SEDGID derrmstratiat fa Pad 006? Please pnride an <br />explanatiat for re»mirg d~ rlirenicvr arrl dacrifx lraunzoz~j5un dns arez will !x trartsL <br />Response -Exhibit 13-2A has been revised to show the portion of the II-W South Extension <br />area that reports to Pond 006. Exhibit 13-6D shows that the 81.4 acres which were diverted <br />to the Clean Water Ditch now flows to Pond 006 instead. T1tis additional acreage was <br />included into the Phase V SEDCAD design for Pond 006. This map has been provided to the <br />Division in draft form Signed and stamped copies will be provided upon approval of this <br />exhibit. <br />Cmnetu 5 - In retisel Figure 1 cfAttadnreu 13-58, SCC irduata tlxu rtto patrrirr dxnnrls will Ixrre flaw <br />-wlctStia dau will ex~f 5.0 feet ~r s~md and will re?ram riprap. Ch rerisel page 7 cf A uadmerrt 13-58, <br />SCC'stats tlxu tlp flowae'aities far all pat rrvrrng are las dwn 5 fit per sarvd Pleue darify dns ducreparry <br />and pnnide retise[sicJ pate 7, rf approprime <br />Response -The statement on page 7 was removed because of redundancy and it not being a <br />correct statement. The steeper portions of PM-1 and PM-3, which will require 6" riprap, are <br />described on the previous page 6. <br />Pond 015 Certification <br />Cannes 6 - 71~ Erretbercy Sprllvay Sd~rlyde cf Drawing 13-9 arrl dx assctiatel SEDCA D d0:raatratraa <br />i~zG~rfi 3 lxrrizaval to 1 zertiarl side slgoa cf dx enrtbenry spolzea}S &a nnss-sexist B-B' dcs ra appear to <br />vdiclate this dacriptim frn tlx ezst side Pleue mnfirm that t!x' errer~eny spolvay vus aramrval as a trap¢cvd <br />with elrral sideslopa aryl reuse dx onss-scrrian aaadirrgly a reuse dx sdxrGrle and SEDCii D dennratraticva <br />to aasider t!x as-bralt to figrrratrar gftbe erretberxy spolway (Rule 4.05.6] 3J(~J• <br />Response - The emergency spillway schedule on Exhibit 13-9 and the SEDCAD <br />demonstrations in Attachment 13-SD have been revised to reflex as-built side slopes of 2h:ly <br />and Sh:ly. <br />Canrer¢ 7 - 71x ermgeny spolvay sdxxGrle an Drawing 13-9 irdiarta florar aryl firelmrd deeds vide a teal <br />depth cf 2.4 : Dvreraiaa ar de draurig iadiwte a total depJr cf 2.2 : Please ratvxile de d:fferer~ <br />Response -The emergency spillway schedule on Exhibit 13-9 has been revised to show that <br />for a flow depth of 1.2', a freeboard depth of 1.0' will exist. <br />rv~v~ei~~~xu ~rw~,m,~ <br />v rtn~k <br />