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HomeMy WebLinkAboutUNIVERSITY CENTER FOR THE ARTS - SITE PLAN ADVISORY REVIEW - 34-02 - SUBMITTAL DOCUMENTS - ROUND 1 - DRAINAGE REPORTJUL-31-2002 WED 02:41 PM CTY OF FT COLLINS-UTILS FAX NO. 9702216619 P. 05 07/31/02 10:40 fie', t6671t AYIMS ASSOCIATES QNN" appro3dm®Daly 150 feet east of Remington Street- A number ed svauable water males _ J�._ra...w.d.iw • are Ited in the area for future Taps. Each of roar iiul—vOL 'y' OGaoNvew w..P. •• .. water main. The alias vary ,rom Y Apal6 On the o:,:su. ew a L'S15-Iw�M,e ,Yu uiaaf side. Propowd Conditions The proposed bonding expansion creates the need for one additional fire service fins Into the M�ilchtlg. Since there Is an existing service fine from the south and second line would need to be located on the north and of the building. Alfenufflw 1 ANemative 1 would udlize the existing 84nch water main running east west on the .._ _ _ ..0 ..- :--�..N_J _v_Aww 1YIn iNI�Ii{rin M tha north side of Paidn otreai. Anew lira- wuuw ue Nw1aNW, o11wINro Nw rvaf*nn _.. _._ s J4_1..� I. 11..« 1c . I. �ed tin be mom cant north sift adjacent R1i: hew nutHwl WII1. 111. r/�1NN 1 N P�wnn� :x P._ Q «nti .��n..«�:n iw Qemlfln►M Ctrawi 9r1d d«telri�i ertecuve man u6aiiily ww1 ulv 1 VAN IVII hnP1v. n.P.n n. o--.. ,he paltZlual vairwli."t xilth tX3 �.�.sr^^� :: duct ba^Ir.2 AiSo lMAted In RamIn4DOn Street Pros: 1 :IntroA IMThiaa rn avoid. Uninriw nt the area will have been disturbed by proposed oonsttuolbn- Cons: • Fvft 1 oo' of waterline will need to be Installed compared to tapping Vft the 16- inch water main in Flemington $trset. Atternattm 2 Alternative 2 would utilize the existing 16-inch water mail running along the west side � o__I_�.,.. GVw,n1 a wnur ilnn 1u1vIW ha inletwllad. eniBrlrhC the txrllfMo 011 the VI I IDIINI ro1N11 VN vve ,..w......_ ..__._ _- ••----- _ s� tt t �•+� ot 1-he bdid!ng; adlaoent to the new auditorium. Two fiber optic duct hsntrc nrmserlfly run atom both sides of Remington Street end would need to be avoided. Pros: • T% option offers the shortest distance from the water main io the building_ • High cost in avoiding trio two fiber opus oust oa►riib ■1 Rtal1111WIVII w1va1. • Need to d►wupt an area tier p@Isn like wohiha rtm files .i1w' iii1,1+2�% : 'i A F: =rd conditions. JUL-31-2002 WED 02:41 PM CTY OF FT COLLINS-UTILS FAX NO. 9702216619 P. 04 07/31/02 10:38 V97 5576 AYKS ASSOCIATES moue' Allemadve 2 Similar to Alternative t the roof drains and parking lots would drain to the north east PrArounu 104 II Ii1CRY of Y18111111a �V O YOIOI 'IYN11'IViw L'r ally': t.�.�c M` wlw nnAfMn �ro� .J L .I n, AMDMron MnYI. i ha � bound by "1 nsiddn Ili And tir'vilw .n3wi'rh2 .. r... p Brag aryl norldnn tat The dnticioated depth of - pow�ft cannot QYneedl IR-inchng: ftretere, extensive shallow pondtna In the rmddnn Oft would he necessary for this option to WO*. The frond would outlet to an exdsting manhole at the intersection of PtWn SL and Peterson SL Pros: • Achieve the necessary historical discharge required by the City of Fort Collins. • Maintain the use of all of the area within the track for practical use. Cons. • The parking lot will be subject to frequent flooding alien duedV s fall e1►n11. events. •FOOOing QI em'nre1.8 Fnt_ly area Yw_ $ .1rH{rViirvTirt or.w.r..r �.�.M.r lnwwrnY.natolV «.. �W r............�.> 75 y1.._j �L MV, oa nerwi ^colorer hm.inn of inr4wm of aunllly 6MObw ,.ter po:,dGd. IJ-.A r..r ft..a...,a.rf nmr/inn M erhieug Lha nwnpggenr nredas to create the needed !Ml! Vie. Mood fnr additional aurvay. Alternative 3 Alternative 3 would not consider the use of detention. The additiorhel runoff created by the proposed conditions runoff would be intercepted by iniets. By %'worry placing inlets throughout the system, draining would bedhedttrii lu a ne'1*01n w SWr J.. Aw. J L't.I m owpf'-,Leiwe.na sewer pipes Drat w+ouq be uiregiy wnirn%-iea 1v vuy rn r1+11 wmlro vwn.• a u .L- in"r ... Oiadn S"Mvvt Peterson Street systerti. A! IRCIy QW11 % i�1+�ii114 i'ie uro urwlovG'li.vi. L'f ......•...«..v. g.".L t!^s8 .�....._. .." ... N .- #e he ...Innrisali wnel 1lnchia in handle mw addA !mil drainage. a ne v pipe to Spring Creek !mule need to be installed. Pros: Eliminates the need for storace detention. Cons: Coate of Inle* and pipes exceed the utility construction budget • Time and money for such a complex analysis unavailable. • Analysis rosy indicate the lack of any additional drainage capacity. therefore, eliminating the option to tie to the existing system. • Need for additional survey Warier Supply— Fire Service i.hte The existing building presently has one water service line for the purpose of fire protection. The amch ductile iron water fine enters the building from the south JUL-31-2002 WED 02:41 PH CTY OF FT COLLINS-UTILS FAX NO, 9702216619 P. 03 07/31/02 10:39 097 B978 AYM ASSOCIATES / gy•vs 3.01 CM1 Syalerm Sturm .orainage Ong Conditions The existing drainage patterns of the ales splits flow to tine northeast and to the southwest_ The deridino line runs approximately from the northwest corner of the block (Remington Street and MOO Street) to the southeast corner of the !Hock (Lake Street and Peterson Street). Drainage is prima* overland ftow (grass, asplwK curb and gutter) to the street, with the exception of an existing 12•ineh diameter etorm drain. The storm drain originates at the north side of the southeast paddnp lot and treads west under the building, then to the south to a manhole in the i terseetion of Lake Sweet and Remington Sweet. The hitersecdon of Lake Street and Remington Cues! Is a n8turai tow pu T11 UIUi tiMM to opmy Creek. vven'ano frown W UIV no wow erid'aawduI:.Mw i6 di cha,ipd to u' ire auoat w1vv and 9iiner, vv nuaWj kf. wa:w.y "' ..r.....y tr.vo.Vi. wv�v w tfiv �bv M.� Y.vv'rMi.v kw..Aw�i.kiri � NIN a��� i7_ innh l9amwf^r —m1 draln,."nnNp~ k:or hif gM�l!d +w!Ild i^t1 1�^�inn wfw .o -_ -, addBlorhal dk shame fn the nine ShMarly. due to the tustary ni drams related problems at the intersection of Lake Street and Remington Street, the proposed condition Should consider routim, stDrinq and discharging any additional discharge created by the proposed conditions to a northeast outlet point. Proposed Conditions 'The proposed condition Impact the existing sites storm drainage by introducing approodmma rn`y 3, i aorta of addifi real impe,vlous area %roLgh, now iourlo I and ^w. w Iww•` 'M. d1 wF Mw aA.CAlwwnl _ nw A.,.., rw 1.. nw iwwrC 'w c*^A ". A I.= vl 1.9 . owµ W w F..a... . o.00 .• W . '. n Vf•� ., I wv.... non f p!fTsrrik1 f.^► !:ti!aMEt. h 7p S1.�Lid a j j G^at mnahm M de!q lna w halhar 7 ro^-sue tho i ybdinn vvamm hail the rAnw-llV hn hanrom tha adefitinlnl nQnntf wrV detention should be provided on she. Storm water quality Invomvements will be necessary. AftantatWo 1 Beginning with new impervious rooftops. Roof drains would be strategically placed to outlet to the parking lot curb end gutter. The new parking lot grades would allow for curb and gutter to drain to the northeast paring tot. The paridng iot would function as amen detention pond, p6rWirtp wafer printariiy an the mast sloe Of the ra1n111y M. 11110 trullu wn7uw ilia( w a aewrw Nlunw/avu uol91191Wn yviw wlugll uro nnAh wwA +www ni �i.w w.,IwNww hb wlr TNw w.f.iww�n.... -9 66w.IA ..A". ..w N. v,ti ir...ar w YIV W.VM. Id /,OVw. I I W kiyll W...oYV11 M NIV \NV �V\AV r/.V�ww, ...V MMRL i 04=4an n Ian(dr&A hu Me Mkt � tw.w r.lr MwA u1n11W = Iw 1n = T^A la w w w at the Mtat�on of Pin Strwwt and Peteraw Mgt . Pros: • Actieye the necessary historical discharge required by the City of FOR Collins. • fiWntm the use Of the majority of the area within the track for practleal use. Maintain enough area for approximately $00 paAketg spaces. COM. • 4-toot depression in the north end zone of the existing trade. • rorrdtng win occur in the parting during the more mf uent storm 9"nfi . • Need for addivonai survey. JUL-31-2002 WED 02:40 PM CTY OF FT COLLINS-UTILS FAX NO. 9702216619 P. 02 07/31/02 10:38 007 3676 AYRES ASSOCIA1X�_ _ ASSMIMES FAX TRANSMITTAL To: Glen Schlueter t'fan: Chris Owls %'nr wi rVI trvau►s Jury 31, in= vapemnow 51U-I 1wf -W- rhojafx pb SL'VSt .tAl raaName: 2MI-60,19 Rs: Center formePerforming Aft fi{Mht7i0► fJf Pap>te QtICtWMg filc T�IHaaE�j: 4 Olen, Induded In this tax is the Input we've provided Slater Paull Archltects about the project's drainage and utility Issues. As I said on the phone, It Is very conceptual and onty a minimal amount of effort hes been apowed to go into IL So If you have any questiotre or concerns, feel tree to gore me a Cali. W understanding is that comments will be addressed then prelimmary design want would 'oegin in a monm or two. Thars when we would really start iooidng at the ibbiiea 6e ti u6aiy�iu►y ift5{JnriC►rft+►�ie iV tsoitro ufer►i. L- r;,p �lvanvalaas+ A gb 7-31-Mo 3W6 JFK PBlddft Z Sulk 2M P.O. Bar Woo, Fat CoonCO MW 324ML00 Hof q sr:.TaaoR �M M •vl s�.a®%O Pipe i a 1 JUL-31-2002 WED 02:40 PM CTY OF FT COLLINS-UTILS FAX N0, 9702216619 P. 01 Utilities - h t & DOwEr • stommata • wBuwwata • wata irate: Time: i person I Business Phone IFAX. (970)-221-6700 1 (970)221-6619 Wes' Ln,.WU%4,1-A& I I Number of pages including cover sneei: If you do not receive all pages please call at. Danar4e• C)Tlreonnt nFnr wnr Review DRenly ASAP OPlease Comment I Message: L t i J492 , :i ZL& e. •-1 ol•a.. _�v �+.c a..u.A i � �ls j�ies wi n__eon r_.•.�_n:_.. /�n7A199/F7 _M FAYMn)771_AMO TM)MA177A.60nl !UU W U J17@Gl vnc7') neon 7O P.V. L� +uv �'wr�nu•wo� vv ....�-ww �...y _�. _ ,. _� ,- _ _ `_ _�