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Home My WebLink Aboutminutes.apz.19831007 RECORD OF PROCEEDINGS 100 Leaves FOllIol... C.F.flOEC!((l8.B."L.CO. ~~~~!~b_~E~!!~g___Eb~~~!~Q_~~~_~Q~!~g___Q~IQ~~B_ZL_12~~ ChalN.an Harvey called the ffieeting to order at 12:10 p.m. with ffieffibers Pat Fallln, Paul Sheldon and Lee Pardee present. ~~YGGb&.8_~8&.~_~8~!~~G&._Eb~~ R.chard Grlce, planning departffient, told P , Z the proposal IS to construct Q r"lprap ditch from Queen street to the Ruarll'1g F~Qrk RIver-. fhis is not a problem; however, It 15 draInIng Q large portIon of the Smugglep area. "fhlS wlll be one of only two points where the water w1ll enter the river. There 15 a pollut10n lssue wh1ch needs to be addressed The envIronmental health department has commented that urban runoff from asphalt IS SImIlar to IJntreated sewage. Secondly .the Smuggler area is known to have large quantItIes of mIne tail1ngs, wh1ch are tOX1C. There 1S a POllCY of tne communlty to reduce stream pollutIon. The plannIng o~flce 15 ~ecommendlng relocation of tne Slte where the water enters the rlver, based ()n a slte Inspection. The planning offIce reconlffiends a dItch beillg Installed whicn would have less Impact on the nQtu'~Q:1 veget'ltion.. The planning office suggests long term ffion1torlng of the water quality and Incorporating this into an engIneerIng eVGIU,)tIclr)~ (llld ultImately into the Smuggler area dralnage plan. Grice said the staff bel,eves It will be most approprlate to handle pollution from the dralnage in a locatlon other than that involved In thlS location. Harvey asked 1f this WQS new water or' a r'echannelling of r'I,lnoff that gets Into the rIver anyway. Jay HOPlffiOntl, engineerIng depor'tment, said the trailer court is DeIng paved and the SOIJ.S ln the trailer court are not appropriate for use of dry wel~s. J,t was determined not appropriate to pick up the water on site as ln a new development. This will relocate the flows to the '~:lVer In the Herron park area rather than Oklahoma FIQ'ts. Grlce pOJ,nted out the water was clean in that it went over the bar'lks Illld faster into the Plver'. Ha~.Dna told P , Z this system 15 only plcking up the t~liler court but In the future can pIck up mOre of the area. HQT~vey $Illd the initIal flows will be 4 cfs, and is Hammond saUlng the potentlal will be more than that. Paul Shelaon SOld thIS bothers hIm because it exists outside of a larger plan for ~he WflQ 1 e Ilre(l. Hlllllnlond 51) i rj th€~r'e is not ITlUC h 1 r-t the wo,y of s tllnd ().T"r.1 ~:i for stornl f'unoff of this nature. Sheldon aSked If the new MIll s'treet bridge nos any drainage. City EngIneer Dan McArthur sa:id thIS IS under'netlth the river. Sheldon asked the r',atur'e of the pollutants. Bob Nelson envirorlmerltol healttl department told tne Commission the suspended ~jOllaS are about 3,000 Rlg/1 ; biologIcal oxygen demand is 100/- 1,000,000, WhlCh 1S c~ose to dDffiest~.c sewage and chenllcal Q~:l\:_ denland con run as high as 600, which is hlgher thor) do~,es~ic sewage. Nelson sOld that the Roar-lrlg For'k flows so fast tllo'l :L.t f~ecovers it1s oxygen Qnd stays close to saturatlorl oxygen. Stleldon asked If thlS would cause problems ~urtller' dowr)str-e.:lln" Nelson said the river cleans ltself out. Harvey asked why there was not Q fully engineered drainage plan as Q reslJlt af ttlP Sl~uggler expansion. Grice said he did not know. H'll'-vey SQJ.d thls snould be Q normal appllcatiorl requirement. Gr-lce SO:LC\ he dld not feel Smuggler Mobl1e HOffie park appllcatlon was nandled that thoroughly. Haffiffiond told P & z that Cen~ennial is worklng on a cOffiprehenslvE plan for- the entire area, and dId sonle coordin11tion witn Sm~lggler' and the Clty. Pardee said he is concerned that tnls sffiall dra1nage plarl is the best to fit lnto a larger dralnage plan, inc~udlnq phase IV and the whole area. Pardee said he wOIJla rather' Wtll~ ur)tll f' ~ Z sees the entire plan. Hammond SOld CentennIal, p~1Q.;e IV IS going to provide on-slte J'-etentlon, on-site r-echar'Qlng of the aqulfer. Haffiffiond said the c1ty lS trying to creal wlth an eXls~lng Grea and development. This developlhent is constraineQ on 51te and there is no plQce to do thiS on-site. H~IDIDond SOld they can expand thls system. Hammond said i~ It gets to Q pOJ.r)G where this drainage will have to be fully treated, the Clty wIll nave to look at pip1ng along the river to pick up flow. froffi anywhere. Pardee asked what would require the CIty to have to treat thlS draInage. Homnlond said new regulatlol"IS fT"OITi the Envlronffiental Protection Agency. Hamffiond told P , Z this water cannot be put lnto the ground w~lere the high to>cic soils eXist because it wou_ld leech (jut the toxlcity and put lt lnto tne ground water. By plcklng up the flows froffi the streets, the top layers of the SOlI actually leech fairl~ quickly. Harvey said he would consider an 0pprov(~.i. which would put an upset limlt on the average flow. The CammlSSl(ln cannot see the total engineerIng plan because it IS riot .ivallab]_e~ The concern is that thlS dralnage systeffi nas the potentIal to car"py a much larger flow than what It is going to be carrYlng.. I~QT~vey said he has an obJection ~o any ~ater gOlf)g into tr\e r-lver in thIS conditIon, and does not want t~lS approval open-ended on the flow gOlng into the river wlthout ffiechanlsm to see Q treatment pr'oposal. Uheldon SOla hlS ObJectlon to thlS lS that P , Z lS not - belng presented with Q comprehensive plan. Harvey suggested settlng a top liffiit on the flow. Pardee aSKed what thlS IS gOIng to cost. Englneerlng told hlm $80,000. Haffiffiond agreed th,S lS somewhat pieceffieal because the city nos to deal Wltn pavlng the trOller park. Haffiffiond said the staff IS not dellgnted wlth quality of the treatffient proposed. Pardee sald he WOUld lIke to know what the second step in the project would be. , I I . RECORD OF PROCEEDINGS 100 Leaves FOR.." C.F.HOECHL9.B.&L.CO. Special Meeting Planning and Zoning October 7, 1983 Sheldon said this is upsetting the natural balance of the water systeffis of the valley by pavlng the area. Paraee sald t"l:is concepn is good ffianagement and use of clty fur.ds and resour'ces. HaITlffiOnd told t~le COffiffilsslorl In the absence of good r'equlremerlts .for dT~QinQge, the staff 1S dealIng on a CQse by case bQsis~ Pardee aSked BOb Nelson if he is in favor of tnls proosc"!., Shel.don asked if Nelson saw Q vIable alternative. Nelson sOld with all the consldera~lons, this is the way to go rlght now. McArthur told P , Z the city obligated theffiselves to allow tne storffi sewer systeffi along wlth the Smuggler applicatlon. I~QPve~ sOld ne would llke to see Q detailed plan ties into the drolrloge p:an rIght now. Staff sno~ed P ~ drainage map. Sheldon said he would l,ke repor~s to on this drainage flow. Pardee sald he would Ilks a report Nelson in the sprlng on what 1S coming out of thIS systenl. rJ P' Wh(lt... Z th(.:.\ F' ." Z fr.olTl llh!C!l son ~,oved to oppr.ove the S~,uggler. [,r.olnage dl tCi1 str.e'l'" margin revlew subject to the following conaltlons: ( 1) water quallty of discharge from thlS ditch to be monitorea by envlronmental h~Qlth depaf.tment and the results WIll be consldered irl a t~lorough sngineerlng evaluation, the result of WhlCh will De incorporated lnto the Smuggler or"eo aralnage plan to eliffilnate pollutants at this pOint by current and future drainage improvements; (2) aischarge pOlnt will be relocated lmffiedlately upstream from the pr"o?osed point to tne natural drainage wnich lies beyond the first stand of cottonwood trees; (3) engineerlng departffisnt wlll submlt to the P & Z and tne plannlng office a slte plan specifying the drainage area for this ditch. No further flow from Clty or county land or private land shall be routed into this ditch wlthout review and approval by the P 'Z; (4) enVlron- mental health aepartffient shall report the results 0f monltorlng to F' , Z no later than June 30, 1984; seconded by Ms. Fallln. All 1n favor, motion car"r"ied. Ms. Al J. Fallln moved to adjourn at 1:20 p.ffi.; seconded by Pardee. If. favor, motion carried. 1,~~,fJd~ CITY CL~_RK , ~