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Home My WebLink About22 Development Permit 459 Texas Digital Systems at Tech Bus Park[~~ij:C~:~P.-~f~]~QI~Itb..r9~Hii~Q.-.:ii.!.~~Q~:-:_:::::::::::::::::::::::::_::::_::::~:::::::::::::::::::::::::::::::::_::::::::::::::::::::::::::::::::::::::::::::::::::·:_:::·:::::::::::::::_::::::::::::::·:·:::::::::::::::::::::::::::::.::::::::.:::::~:::::::::::::::::::::-:::::::::::::::::::::::::::::::::::::::::·::::::::::::e:~9.iIJI From: To: Date: Subject: Paul Kaspar Veronica Morgan 5/12/98 3:47PM TxDIGITAL Galindo plans I spoke with Chris this morning and he has been told to put those revisions on hold by Bob Bower. Mr. Bower would have to perform grading outside his easement apparently with the revisions and he is having difficulty convincing a couple of the seven or so partners in the venture to agree. Chris will keep us informed on what he finds out. !J~@IE~~:e:~:r.::~::E.;.~z::!~Rf@If 6.h::§:~H5~:9.:::e!~:5:~:::::::::::::::::::::::::::.:.:::::::::::.:.:.:::.::.:.:.::::.:::::::.:::::.::::::::.::::::::::.:.:.:::.:::::::::::.:::::::::::::::::::.:::::::::::.:::::::::.::::::::::::::::::::::.:.:::::::::·:·:::·:·:·::::::::::::::::::::::::::::::::::::::::·::::::.:::::~:.:.::::::::.:::::::::::::::::::::::::·:::!.~:~9.:~:I] From: To: Date: Subject: Veronica Morgan Jim Callaway, Paul Kaspar 5/12/98 4:09PM Fwd: TxDIGITAL Galindo plans fyi -this is from our conversation with chris about deleting the storm sewer in the street and instead use "diverter swales" to keep the stormwater from getting to the street so it can function per our ordinance . looks like mr. bowers cant get the easements necessary to construct these channels . if they dont get us those easements and construction drawings the street will need to be constructed as originally designed with the storm sewer. just fyi. ... dont issue any permits until this issue is cleared up . thanks CC: Natalie Ruiz , Shirley Volk From: Shirley Volk To: Date: Subject: Paul Kaspar, Veronica Morgan -------~ 1'\L ~ SJo I got a call from Lisa Hughes saying she has never received the necessary easements from Bob Bowers he needs from the East Bypass Development Group. Sooooooo, I guess that means we can't give a permit even if he decides to go with the original drainage design and doesn't change it to require additional easements (per your note V Paul & I have stamped and signed as approved the complete set of plans , but I guess we still can't issue the building permit, can we? Lisa Hughes DEVELOPMENT PERMIT PERMIT NO. 459 TEXAS DIGITAL SYSTEMS IN THE TECHNOLOGY BUSINESS PARK FOR AREAS OUTSIDE THE SPECIAL FLOOD HAZARD AREA RE: CHAPTER 13 OF THE COLLEGE STATION CITY CODE SITE LEGAL DESCRIPTION: Technology Business Park OWNER: Texas Digital Systems, Inc. Robert Bower, Jr. 512 West FM 2818 College Station, Texas 77845 693-9378 DRAINAGE BASIN: Foxfire Tributary TYPE OF DEVELOPMENT: SITE ADDRESS: SH6 East ByPass This permit is valid for site construction as shown on the approved plans. Erosion control measures are required to remain in place until vegetative cover is re-established. The Contractor shall take all necessary precautions to prevent silt and debris from leaving the immediate construction site in accordance with the approved erosion control plan as well as the City of College Station Drainage Policy and Design Criteria. The Owner and/or Contractor shall assure that all disturbed areas are sodden and establishment of vegetation occurs prior to removal of any silt fencing or hay bales used for temporary erosion control. The Owner and/or Contractor shall also insure that any disturbed vegetation be returned to its original condition, placement and state. The Owner and/or Contractor shall be responsible for any damage to adjacent properties, city streets or infrastructure due to heavy machinery and/or equipment as well as erosion, siltation or sedimentation resulting from the permitted work. Any trees required to be protected by ordinance or as part of the landscape plan must be completely fenced before any operations of this permit can begin. In accordance with Chapter 13 of the Code of Ordinances of the City of College Station, measures shall be taken to insure that debris from construction, erosion, and sedimentation shall not be deposited in city streets, or existing drainage facilities . I hereby grant this permit for development of an area outside the special flood hazard area. All development shall be in accordance with the plans and specifications submitted to and approved by the City Engineer in the development permit application for the above named project and all of the codes and ordinances the Ci . of College Station that apply. Date Owner/~ 1.. Ji. Tel{" ""' Conctor Date Date Figure XII Application Form Development Permit Inside/Outside Established Flood Hazard Areas City of College Station, Texas (re: Ordinance No. 1728) Site Legal Description: --'r.'-e<=-=-c:..<.1t..:....;_.Al_.;:O;_L_O_;G:;:c.....c..y'___;.e:=;__d._'..5--"/-'-/\/-E_S.~~--'-P.-':.4-'-<-g,,..._._1<~=S'"""'E=-=c=---rt"-=t2'""""N~~./~----- Site Address : .s, /.I , b -..!:A:sr l3 Y PASS WITH GE.E>~STA RD) Owner: Z"'EXA S .DIGITAL ..::ZYSrt::M.EZ . /AfC, 7<0e?ERT i!!>OWL::R, ..LJI<., ?hb/ PRES, Sd:. Ct:/i'<NE~ CJ,Z: /NTIFRSS-cr/&/N 51~ WFST PM 2'5/"t!) Address: CO,t.LEGc .z?fr/oAJ, 7X 77'f545" Telephone No.: ~ -9~73 ~~~<3 s;,re-x.As AVE./.57£,2/:3 C/H.RISTIAN A. GAL /A/PO Address: ~gYA &:, 7X T7'S02.. GAL/,A./.PCJ ENG/,N'.ct:Rs PL.AN/1/£.es Telephone No.: fl4 t rfiSI$ Contractor: Je.-x'W0, <flr~ ,A,e_,n,o h Address : 3L/cx-z @~,B)&§!S_l/ Telephone No .: #O 7 778 / 3 - Date Application Filed: --------~------Approved:------------ Appli cation is hereby made for the following specific waterway alterations: (1) .DAM Et?& PETENr/o/\/ ) ?' PONP . (_£. ROAlzWA.Y ACR<2:25 t/PPJ:"/? REAcH tu=CCEE-K, Attached as part of this application: ~pplication Fee --i? /Oo. 00 G""Signed Certificate O Site and Construction Plans, with supporting documentation: O Other: ------------------- ACKNOWLEDGEMENTS: · ~ SI.I.SM /TTE P A NP two (2) copies of each APP;i;uws-:z:, Plf?1~VI OLl.SLY ':_7_~E£,e ,c=~,rc I, C#RIST/AN A. GAt_/NPO , ;wner, hereby acknowledge or affirm that: The above Drainage Plan and supporting documents complies wiht the requirements of Ordinance No. 1728, and Date ~ BA/VIE A..s Developer Date ----'-!7 !ey~ Contractor Date Page 1of2 Figure XII Continued CERTIFICATIONS: A. I, Wffh'L~ " tzCAYTr¥J.r>/ ... , certify that any nonresidential structure on or proposed to be on this site as part o ~ application meets flood-proofing requirements as se out p ction of Ordinance No. 1728 ((? ~/l3Jtj'a =o-a-te~7 -,+_._---------~ B. I, certify that the finished floor level of the lowest c . D. floor, including any basement, of any residential structure as part of this application is or proposed to be at or above the base flood elevation as established in the latest Federal Insurance Administration flood hazard study and maps, as amended. Architect/Engineer Date REVIEWED FOR APPROVAL: ---------------Floodplain Administrator Date APPROVAL: Special conditions or comments as part of approval: __________ _ I / OPER: "RODGERS CT DRAWER: 1 DATE: 6/08/98 00 RECEIPT: 0015351 DESCRIPTION QTY A"OUNT TP T" FILING FEE/DS/BI $100.00 B7 CK DEVELOP"EHT PER"IT WCS ARCHITECTS IHTERIORS CHECK fi 2307 DEVELOP"EHT PER"IT TI"E: 14:38: 37 TOTAL PERSONAL CHECK A"OUNT TENDERED THANK YOU $100.00 $100.00 ~ ......... ---,--·- MAY-28-98 THU 11:02 GALINDO ENGINEER S 4 0984688 68 GALINDO ENGINEERS AND PLANNERS 3833 South Texas Ave., Suite 213 Bryan, Texas 77802 (409) 846-8868 May 28, 1998 Storm Water Notice of Intent {4203) 401 M Street S. W . Washington, D.C. 20460 Ref : EPA Reference No . TXROOl807 Technology Business Park Subdivision SH 6 at Sebesta Road College Station, TX 77845 P.01 Reference is made to my telephone conversation with Ms. Monica Burell , EPA Region 6 , where we discussed the lack of response from EPA to our NOi application for the above project. We reviewed the correspondence exchanged on this subject between EPA Texas Dig ital Systems, Inc., and the undersigned. The original application of July 15 , 1997 (copy enclosed) indicated that the application was made for Baseline Construction but no SIC or Designated Activity Code was indicated . Subsequently we, on October 27, 1997 we returned your request (dated September 10, 1997) for additional information giving an SIC Code of 3577. This was an error and apparently caused our application to be misfiled at EPA. I am now i nclud i ng a corrected version of your letter of September 10 , 1997 , showing "C011 for Pr imary Industrial Activity/SIC Code . I hope th is will enable you to issue the Permit at your earliest convenience. Sincerely, GALINDO ENGINEERS AND PIANNERS, INC. ~;t;:, ~LJo-fJ Chrlstlan-ArGarrnc?o:'_, P .E.,RP~L.s .' President cc: Pau l Kaspar, City of College Station, TX Bob Bower, Texas Digital Systems , Inc. W. C. Scarmardo , Architect MAY-28-98 THU 11:02 GALINDO ENGINEERS 4098468868 P.02 • 3--t:j.b OEPA Reference number: TXROOI807 September 10 , 1997 Christian A Galindo Tx Digital Systems Inc 512 West Fm 2818 College Station, TX 77845- Dear Christian A Galindo: FACILITY LOCATION: Technology Business Park Sh 6 At Sebesta Rd College Station, TX 77845- Lat : 303515 Long: 0961708 Quarter: Section: Township: Range: Thank you for submitting your Nocice of Intent (NOI) form, seek ing coverage under the U.S. Environmental Protection Agency's scorm wacer baseline induscri:il general permit issued for use in the State of Texas. Yov have 'not yet been granted permit coverage because your NOi form wu cithH missing information or requires clarification of information. Authoriz.acion for coverage can not be granted until the information indimed below is provided. Please PRINT, on this letter, the cor,rect information to the right of each item lined below. Then PR.INT your name and date, SIGN the cert ification smemenc, and RETURN THIS PAGE BY December 9, 19~7 to : Storm Water Notice Of Intent {4203) 401 M Street SW Washington, DC 20460 ~~$ ~-l·. ~-ffiz .·) Primary lndustrial Activity/SIC Code: ~ CO If Seeking cov~rage for a COflStruction activity enter CO'b~ If your SIC Cede is Construction (i.e ., 1500.1799, or CO) Please indicate Project Start Date ~ & Acres Disturbed 20, 8 Permit Type Missing/Invalid or Permit Typc/S[C Code Mismuch . Enter Permit Type: {C)roup, (l)ndustrial, or (C)onscruction? __ C __ Certification: I certify under penalty of law that this document a.nd all attachments were prepared under my direction or supervision in accordance with a system designed co assure that c:iualified personnel properly gather and evaluate the information submitted. Baseq on my inquiry of the person or persons who ma.nage the system, or those persons directly responsible for gathcrin& the inform:uion, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete . I am aware that there arc significant penalties for submitting :::~:::uiot4i~m~~;;·gviol•<ion•. If you have any questions regarding this letter, p!c:tSc contact the Storm Water Notice of Intent Processing Center at (703)931·32)0. If you have other gtncnl qvestions eonctrn ing the storm water program, plea.se call the EPA Region 06 contact: StormwacerHotline, (800)2'4S.6510 . MAY-28-98 THU 11:03 GALINDO ENGINEERS 4098468868 P.03 i, ... ,i .• I) ~I f '.J •j .J .. \•o (!£\"EU:IF'MENT .5"1·cs • ~Ol.15 .,, Tli1s ~ORM F{~5-p-fi·~·ous FO~M 351Q:8-(B,.g·i)···---7;; ~uw~-:--~;:-~--1 Sna R~t !or imlt\JC\iOn-$ .. ~ •.--:: .._~'-" I -.... ' ---· • ---·······. -.. . • . ·----------·--···--·--..-J ~ I ..... . ER~· UN!ld St:de. E,n-MY.~.uw f.°'f"O{-Y.:ciul ~..-V.:'f : NPOf$ ..,. ·-' · · . WsJhrrpxt DC ~,.j '. FO~ -.._•~. . · Notice of Intent (1'-lOI} for ~tonn Wat.ar Olachuvtt Auoc\~d wtt.h ln.dustriaJ 1 . _ _ ,, · · · Activity Undtr I HP DES Gen~ral Ptrmlt . ~y~uk>ri ct tri6 No"C!O. C>1 ll1tent ~ l'Otlc• {Nt th. P-O-IT>/ ldMtlfiW In Section II of in, form lntard• lo l>9 ~ri~ ti)' • ~Poe> P-trmt l.;U\JM0f~r 1i~nn .... \Ir df~ .. ~~I~~ .ctt.'t"f '"' v-.. Stl'\• :d.ntHli~ in S9¢T1CWI n1 (If tti• ~-IJ·"~. p."""'"H obi(~" aYi;h ciiael'o.a1QW to~ ...tt!I Ol9 ~rd condiijcr~ of v.. p.l"n'oit. AU NfCEUA~Y ~M.&.TIO"' MUST Sl l"ROY!D!O ON !Hts ~RM. ! I. 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C•rtiflt•don: TI'I. ct..l'df!utl°"' ..Ult.-"Mllt ln b 1 opil" tc &!l ~ · nta. --w ,, .... ~-' » n=--1 'tt.e Ct~fice'liel\ •t-ttm.f'lf U\ &¥ 2 aot>~fi Wl to 'f!:u•~ ~riQ fe>t v-.. M.Jf~S..,:r°'. •Ct>rm waur 9•r'-rttl ,_........_ ~ -1ox·1 iOX 2 ---, -.All APPUCJJITTt MULTl-.StCTOR STOP.M WATER~ m.urr A.PP\IC..U.TJ C*l..f: I c.a rti ty • 1.11'.j a r P4N'fV e.I la-,, tt'lf't th.I diXWT'Cnl v.d .a e~im.na wua Pllj1U'4° utyj ... "'V dir~tlllll OI ~"'4~ ;..,. ~11ord•ne• ..-ith • •Y'W1""' d"1~' tA I t~l'y 1.1r.jer ~n.tty ci le"' t..'l6t I i'-f-raad I.I'd \,P"dnttl~ ·°"' p,~ l,S.: ..{l~bolo!"f ~Im fOI' COY'I~ UNltr \/'If "-.J~~ ttOfT!\ WllDI 'Jl,.,.,til titfTT"it, iN:hJdi~ lJ'lel• r~....--tl r.ubr>; ta·th. pr.01~do.t1 d WQciU l.:l~ (.., A09•~\Jm H. . ' lrs;ir.. lhat· q,.re.JlR-.:i p1rtof1Moi J:HOO•l'!•f To th. \lot of rny l.r°oO'l"llt~<J•-th. cfi:.o)l.argH CCN•rrj ut'(jfr d'.i1 p1m-;1.. ..r-J c?.,..•~ ttf Qfth.r Ind •v11h.111t the ll'lf~rdon llMPa to oontrol llIOtm wit.,.. N/"t-Otf, 1.ra not Ul(ely to and w\11 1'141 Ul:,ly t<J""~ s+i~ -•~t1td.' Sut.d en l'fly l~"I ot the •P•~i ... ldtMi"f;ad In .ld~1n<J..,m Hof the l.~S~~ •torm ..... 1., 9e11•rio<l ~,......, ¥ .... oer-... OI p.,,,c,,. -~ m.t~ll• rt... o\h1r ... irr a1l~" for oovor~t dv• to ptt"'°'41 ._,~tN:><"itttl.01'.' Ur.du th• E~1~11...i ,__Act. •Yttent, ~ t~u · p•r~ di1~<;1y . I •ur>¢ntlblt for ;1thtr1nQ U-.. lnlc.rm.edol\, To th• t;•H ct rrr( U.owl.OQ•. I f\Jre.u nliifY ~ .1.1;ch dhcl-i•'9"•· .~ col'l•CNc~ .,I~ to I th• il'lfo~~o11 a1.1brritt6d Is, to U..t bur control itom-i ""•'"' t\ln-<>H. d:> ~1 ~ .... LI\ .H .. c:r on propani .. lirtod ~r •li.;ibl• I~ t•l>"<Q a-o tll• of lny knowlfodQt af'ld b•lf~I, trv•. N•tion~ RooittH ol \.!i~toric: Phcu ... ~., \t.t /ohtiol\~ l-iict~rie f'ttr•,-,. .. ~c:rl'I A..:l. or •"I 01,._....;,.. lCC\Jrl.!e, &llr:foomol11•, I wn '""'" °U'lo.t. •lic;it>I• tot~_,~ .. ,,,. du• tt> • ;re..;ov• •0t1..,.wnt u....;11 i>.. /.lit):)~ H.ittorio ,.., .... ~AC!. I Vltr• ar• si11olk•"t r-•"'&l"des for · . . , .._,l)mjrdf'l1 fain Woi-mll1on •. inch.1<finQ the I 1,1rv,j•1ttM'd rh~t c:ont;rr~t<l cover10• <Jn:l•• v-.. M..l&·Swc101 Q•~'&J P•rr<--ir i1 -~~ l.00'\ ! Pot~bU'iry cl f'in• tr-d ~ri5onm•M ror rNil\Wr.Jr.~ efi;ibi!ity u proW1e.-j 101 in Put l.!l. · < kro:i..-il'>!J. violecions. ____J . ~·-· -·-~----·----·"-----.---·~-------.·--·---·-----.... ' ;:i,;111 l'lamt: .l~itJt~<f 1~~ tf7'· ~.t.L4~··;._f-.J!..1.~.£.~~._._j:._::__:.: .... L._1 •••• L~-._ __ ..__j :irn: ~~lZ1/_i:-E{1t7) GALINDO ENGINEERS AND PLANNERS 3833 South Texas Ave., Suite 280 Bryan, Texas 77802 (409) 846-8868 TEXAS DIGITAL SYSTEMS LOT 20, BLOCK 1 TECHNOLOGY BUSINESS, PARK PHASE ONE 1. PURPOSE The purpose of this analysis is to determine the manner in which runoff from this Lot will be handled upon development in order to prevent erosion . 2. STORMWATER RUNOFF The tract was divided in six Sections as shown on Exhibit 1 . Runoff estimates are giving on Exhibit 2. Each Section was given a weighted runoff coefficient varying between 0.90 for impermeable surfaces to 0.44 for grassy areas. Exhibit 3 shows these weighted coefficients and the selected values of L and V for use in the Rational Method used to compute discharges . 3. OUTLET STRUCTURES The driveway going into the property, extension of Technology Drive, will be asphalted without a crown, tilted to the south side , and will have curb and gutter. Two locations for drainage outlets have been selected as shown on Exhibit 1 . Runoff from Section 1 will be handled by Outlet Structure "A", a 7.0' curb cut in two 3 .5' sections . The gutter at this location will be depressed by 2 .0 inches . Exhibit 4 , a rating table for curb cuts, shows that this structure will handle 11 .8 cfs, higher than the value of 025, with a resulting velocity of 3. 1 ft/sec. Beyond the curb cut runoff will be conveyed by a sodded channel calculated in Exhibit 5 and graphically depicted in Exhibit 6 . Runoff from Section 2 will be handled by Outlet Structure "B ", also a 7.0 ' curb cut in two 3 .5' sections. The gutter at this location will be depressed by 2.0 inches . Exhibit 4, shows that this structure will handle 11 .8 cfs, approximately the value of 025. with a resulting velocity of 3 . 1 ft/sec. Beyond the curb cut runoff will be conveyed by a brick bottomed channel calculated in Exhibit 5 and graphically depicted in Exhibit 6 . Runoff from Sections 3, 4, 5 and 6 will each be handled y a wl!i:ftaf't\J!!Jni r~~d as Outlet Structure "C". This structure will consist of a so d etl"l~~B~ci\'s ~ c:JeWE\d in Exhibit 5 and also depicted graphically in Exhibit 6. ---------~-: ________________________ , -------------------------- Job: 9-97 Date : 03/25/97 TEXAS DIGITAL SYSTEMS RUNOFF CALCULATIONS (RATIONAL METHOD) LOT 20 . BLOCK 1. TECHNOLOGY PARK SUBDIVISION (Countv : Brazos) Tc: 10.0 when calc. value ( 5.D ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Section Soil A c Veloc. Length T cone. in Q Q Q Q Q Tyoe Acres fos ft Cale. Used 5vrs 10 vrs 25 yrs 50 yrs 100vrs 5 yrs 10 yrs 25 vrs 50vrs 100vrs ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ b p .L.& 8. 1 . 6 5 7 0.680 2 P.L .& 8. 1 . 7 2 7 0. 710 3 B. & G. 0.287 0.660 4 B. & G. 0.292 0. j 30 5 B. & G. 0.220 0.780 6 8. & G. 0.220 0.600 --------- Total 4.404 LEGEND : P.L.& B.=Par k in~ Lot & 8uildin9 B. & G.: Building & Grass 3.300 225 3.700 320 3.450 14 0 1. 750 3.000 160 2.450 320 1. 1 10.0 8.67 9. 73 11 .11 12 . 5 6 13 .12/ 1. 4 10.0 9. 43 10 .59 12.09 13. 6 i 14. 27 ........... 0. 7 10. 0 1. 46 I . 64 1. 8 7 2. 11 2.21 / i.3 10 .0 1. 19 1.¢ 1.53 /1 2 1.80 / 0.9 10 .0 1 . 3 2 1.48 1. 70 1 . 9 2 2.00 / 2.2 10.0 1.02 1. 14 1. 30 1. 47 1.54 / --------------------------------------------- 23 .09 2 5. 91 29 .60 33 .46 34.93 County : Brazos Constants for use in . formula : l=b/(ttd\'e 2-yr 5-yr 10-vr 25-vr 50 -y r 100-yr b e d 65.000 0.806 8.000 76 .000 o. 785 8.500 80.000 0.763 8.500 89 .000 0.754 8.500 98 .000 0. 745 8.500 96 .000 0.730 8.000 I 7. 693 8.635 9.861 11. 148 11. 639 7. 693 8.635 9.861 11 . 148 11 . 639 7 .693 8.635 9.861 11. 148 11.639 7 .693 8.635 9.861 11 . 148 11 . 639 7. 693 8.635 9.861 11 . 148 11 . 6 39 7 .693 8.635 9.861 11. 148 11 . 6 39 .::.~ -..:..· u.; . ..:.J W -=I . "'"" .-. .::-.... ""'i :""lM .... J ,."•r--i ":>00 ~M M ~a.: ~ :;. i2 u NOFF C..,,E F r t C I C N 7.::_ '1 -9 7 s EC..T!OM I L.. -.? 2 .) /3 .'1 -100 ) -t /~) cf./ (-7 .5ZZ,, 6. 5 / i 75ZZ<J ::::. cJ. 7 I S EC-nON 3 ..SL-o ?E = 2. . I C>Ec.noN 1 .SLO ~E ~ / . .3 ( <5,,0 -1 c;.14 /3 / 0 0 .J -=-o, 7 8 5EC.770N C. L::... 3 20 5l o ?E:;... I. b ( z.3,3 (:,()) -t0.17 ~ :=. o. rec YE L OCIT/ Ej JJ::_]A / -:--2 1 -'1 1 EXH/811 .3 S EC.770 A.I I c 3 . I ( 332. 70) i /, 8 (.5 C.Cj ZQ) )/72 /CJO ;::. S£CTl()N' Z. ( 5.38 ( C-:7 1 00 ) -t I. 9 (::,.g20 J)j,52 26 -= 3. 7 SEC. T7 OJ..! 3 c 5. 9S /4 3'7 () / -t-2 .1 ( 9 12-L.)))/12-510 = .:. 1 .. 5 0ECU1/\.t 1 (3. ~s ( z ood ) + 1,3(s110 )) f 071 0 /, 7 5 S EC TtO A I ..5 { 3, 65 { 9 (,,c70 ) r /~ -" ( 33 Jc>))j;31tJO -==-~. :J 5£/' i7/JN (,,, ( 1 .S ( ')i;JO) -t-1.6 (2 oe&a ))~.::3~ .. o =-2. 1.5 9-97 05/08/96 TEXAS DIGITAL SYSTEMS LOT 20. BLOCK 1 TECHNOLOGY BUSINESS PK. Curb Cuts RatinQ ------------------------------------Use Weir Eouation:O=C*L*IH).3/2 where Q: discharce. cfs and L= length of curb cut. ft and H= hei9ht cf curb. ft and C : 3.087 EXH/8/T 4 L H H.3/2 1. ft. Q A V 1.ft. 1.ft. cfs so.ft. ft/sec 4.0 0.50 0.35 4.4 1. 4 3.L / 4.0 0.60 0.46 5.7 1.9 3. 1 6.0 0.50 0.35 6.5 2. 1 3' 1 6.0 0.67 0.55 10. 2 3.3 3' 1 7 .0 0.50 0.35 7.6 2.5 3. 1 7.0 0.67 0.54 11'8 3.8 3.1--8.0 0.50 0.35 8. 7 2.8 3. 1 8.0 0.67 0.54 13.4 4.4 3' 1 t:'XH/l3 /T S Traoezoidal Channel Analvsis & Desi9n Coen Channel -Uniform flow rraGezoidal Chan~el Analvsis & DesiQn Coen Channel -Uniform flow Worksheet Name: TX DIGITAL SYSTEMS Worksheet Name: TX DIGITAL SYSTEMS Comment: Outlet Structure "A", grass swale. Comment: Outlet Structure "B". brick bottom Solve For Discharge Given lnout Data: Bottom Width ..... Left Side Slooe .. Ri9ht Side Slooe. Manning's n ..... . Channel Slooe ... . Depth ........... . Comouted Results: Dischar~e ....... . Velocity ........ . Flow Area ...... .. Flow Too Width .. . Wetted Perimeter. Critical Depth .. . Critical Slope .. . Froude Number ... . 3.00 ft 4.00: 1 (H:V) 4.00:1 (H:V) 0.025 0.0250 ft/ft 0.50 ft 11.69 cfs 4.68 fos 2.50 sf 7.00 ft 1. 12 ft 0.60 ft 0.0125 ft/ft 1.38 If low is Suoercriticall Solve For Dis:harqe Given lnout Data: Bottom Width ..... Left Side Slooe .. Rioht Side Slooe. Manning's n ..... . Channel Slooe ... . Deoth ........... . Comouted Results: Dischar~e ....... . Velocitv ....... .. Flow Area ....... . Flow Too Width .. . Wetted Perimeter. Critical Deoth .. . Critical Slone .. . Froude Number ... . Traoezoidal Channel Analvsis & Desi9n Coen Channel -Uniform flow Worksheet Name: TX DIGITAL SYSTEMS ' ~ /I Comment: Tvo1cal Landscaoe Swale C.. Solve For Discharoe Given lnout Data: Bottom Width ..... Left Side Slooe .. Rioht Side Slooe. Mannin9's n .... .. Channel Slooe ... . Depth ........... . Computed Results: Discharoe ....... . Velocity ........ . Flow Area ....... . ,..Flow Top Width .. . Wetted Perimeter. Critical Deoth .. . Critical Slooe .. . Froude Number ... . 1.00 ft 6.00: 1 (H:V) 6.00;1 IH:V) 0.025 0.0250 ft/ft 0.25 ft 1.69 cf s 2.71 fos 0.63 sf 4.00 ft 4.04 ft 0.27 ft 0.0167 ft/ft 1.21 lflow is Suoercritical) 2.00 ft 6.00:1 (H:V) 6.00: 1 IH:V) 0.015 0.0300 ft/ft 0.42 ft 13.51 cfs 7.12 fos 1.90 sf 7.04 ft 1. 11 ft 0.65 ft 0.0046 ft/ft 2.41 (flow is Suoercriticall TEXAS .P/G I TA L S Y .S/EMS C ,L/A /l/N EL SEC TION .S EOPC>£D C H.A.,A/NE'L . t ~ .3 .D' 't I 2 .0 J ..s = 2 ,.5}{, ) n -t?, 02 .5 /I 11 .8 ~ ] C'.> ~ ~ .8R.!CK . L/N €D . ._ __ z_,_s_' ____ , C H AN/VFL ~-~ I l :2 .()' 1 5=3.o/t r rz::. tJ .01.s 60l1Dt:D C f.IANN£L J,5' I l--~-----4~ I L /,()' L k 1 1 .S = Z.!5;/o ' December 19, 1997 Veronica Morgan, P.E. Engineering Department City of College Station 1101 S . Texas Avenue College Station, TX 77840 Re: Sanitary Sewer Line Technology Business Park Subdivision SH 6 at Sebesta Rd. College Station, TX 77845 Dear Veronica: I would like to request, on behalf of the Owner, oversized participation on the sanitary sewer on the above referenced project between Station 0+00 to Station 6+55 to be changed from an 8" to a 15" line. This oversized portion will serve for future development that is being planned to the north of this tract. I would also like to request that this matter be placed on the January agenda of the College Station City Council. If you have any further questions, please feel free to give me a call. Sincerely, William C. Scarmardo, AIA (Jui cc: Bob Bowers, Texas Digital Systems, Inc . • • • 2402 Broad moor D l-102 • l'O Box 3()52 • Bryao, Texas 77802 • (40m 771:>-t->:17~1 fax 774-41.) !()