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Home My WebLink About11 DP Kappa Kappa Gamma 00-46June 19, 2001 TO: FROM: SUBJECT: CITY OF COLLEGE STATION DEVELOPMENT SERVICES 1101 Texas Avenue South, PO Box 9960 College Station, Texas 77842 Phone (979) 764-3570 I Fax (979) 764-3496 MEMORANDUM Brian Brummit, Via fax 779 -3380 Bridgette George, Asst. Development Review Manager DP-KAPPA-KAPPA-GAMMA SORORITY -DEVELOPMENf PERMIT Staff reviewed the above -mentioned site plan as requested. The following page is a list of staff review comments detailing items that need to be addressed. The next submittal will be the third and final review by staff for this round of reviews. If all items have not been addressed on the next submittal, another $100 processing fee will need to be submitted for the subsequent set of three (3) reviews. Please address the comments and submit the following information for further staff review: __ Two (2) copies of the revised construction documents. If there are comments that you are not addressing with the revised site plan, please attach a letter explaining the details. If you have any questions or need additional information, please call me at 764 -3570. Attachments: Staff review comments Case file #0 -500046 . " Staff Review Comments J :\PZTEXT\PZ04992 .DOC Page 1 of 3 STAFF REVIEW COMMENTS No. 2 Project: DP-Kappa-Kappa-Gamma Sorority-Development Permit (00-46) ENGINEERING 1. Please show pipe in PUE on construction documents. 2. Please install shut-off valve at tap according to City Specs. 3. Please follow TNRCC regulations §290.44(e)(5)(8). Add note to drawings. 4. Please note bore under street. 5. Please denote trench bedding and fill requirements. 6. Please denote sleeve material. 7. In short, please show how design meets all required City design specs. Reviewed by: SPENCER THOMPSON Date: June 18, 2001 NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and "bubbled" on your plans. Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Staff Review Comments J :\PZTEXT\PZ04992 .DOC Page 2 of 3 Transmit Log Record BitWare Client Page 1 Status Log Date Time To Company App lication OK 605 6/19/0 1 15 :35 :22 Brian Brummet Microsoft Word -PZ04992 .DOC Scale= 1: 20 Feet 1 N 45 ° 41' 30" E 15 2 S44°18'30"E99 3 s 45 ° 42' 12" w 15 4 4 N 44 ° 18' 30" W 99 GALINDO ENGINEERS AND PLANNERS, INC. 3833 South Texas Ave ., Suite 213 Bryan, Texas 77802 (409) 846-8868 1 ,485-SQ. FT. TRACT Part of Lot 3, Block 1, Greek Village No. 2 COLLEGE STATION, BRAZOS COUNTY, TEXAS Being a 1,485-sq. ft. tract or parcel of land lying and being situated in Brazos County , TX , and being a part of Lot 3, Block 1, Greek Village No. 2, an addition to the City of College Station according to the plat recorded in Volume 408 , Page 241 , Deed Records, Brazos County , Texas, and said 1,485-sq. ft. tract being more particularly described as follows: Commencing at the southernmost corner of said Lot 3, said corner also marking the northwesterly right of way line of University Oaks Boulevard , a 60'-wide public right of way; THENCE N 45 °42 ' 12 " E, along said northwesterly right of way line for a distance of 54 .00' to the PLACE OF BEGINNING ; THENCE N 44 °18 ' 30 " W, through said Lot 3, for a distance of 99 .00' to a corner; THENCE N 45 °41' 30 " E, continuing through said Lot 3, and along the southeast wall of a new addition to the Kappa Kappa Gamma Sorority House , for a distance of 15 .00' to a corner ; THENCE S 44 °18' 30 " E, continuing through said Lot 3, for a distance of 99 .00' to the northwesterly right of way line of University Oaks Boulevard; THENCE S 45 °42 ' 12 " W, along said right of way line, for a distance of 15.00 ' to the PLACE OF BEGINNING , containing 1,485-sq. ft. of land more or less . 1. Bearing source is description in deed recorded in Volume 408, Page 241, Deed Records , Brazos County, Texas. 2. Field measurements were provided by Ja-Cody, Inc. ------ ~~ Christian A. Galindo, P.E . # 53425 , R.P.L.S. # 4473 May 17 , 2001 • ... GALINDO ENGINEERS AND PLANNERS, INC. 3833 South Texas Ave., Suite 213 Bryan, Texas 77802 (409) 846-8868 N s SCALE 1" = 20' 1 : 240 --1 I .., I ;., N 43 42 <41 40 39 38 37 36 35 34 !STING ARKING 25" READ YARD SETBACK 17'-0" 1·-0· 27 NE PARKI G I ~===-====-========-=======- ~-\ NEW ADDITION 1 -/ 12..J r- " 1"11 .... . . "' I I t I 1-1 I I STAFF REVIEW COMMENTS No.1 Project: Kappa Kappa Gamm aJQPoo~ 1. Please show required PUE on private property . 2 . Please install shut-off valve at tap according to City Specs. 3. Please follow TNRCC regulations §290.44(e)(5)(B). Add note to drawings . 4. Please note bore under street. 5. Please denote trench bedding and fill requirements. 6 . Please denote sleeve material. Reviewed by: Spencer Thompson Date : April 25, 2001 Staff Rev iew Comments Pag e 1 of 1 04 /25 /01 10 :29 '5'979 764 3496 DE VELOPMENT SVCS TR A SMI SSIO N OK TX/RX NO. CO NNE CTIO N TEL CO NNE CTIO N ID STAR T TI ME USAGE TIME PAGES RESULT *************************** *** ACTI VIT Y REPORT *** *************************** 7645 9p6967745 04 /25 10 :29 00 '40 1 OK ~VV.L FINAL DRAINAGE REPORT For Kappa-Kappa-Gamma Sorority 1502 Athens Drive College Station, Texas 77840 Contract No. ------ Date: _ ____...2 ..... 6 ..... A..,0 .... r ..... il .... 2 ..... 0 ..... 00...__ Drainage Basin: Carter Creek Basin, Wolfpen Creek, Tributary "A" Architect: ___ __..B .... R ........ W....._A .... r .... c.._h_it....,e .... c .... ts .......... I ..... n .... c~----- Engineer: ___ ___..L~a~r~ry....._O......_._D~e-g_e~lm~a_n~'~P~.E-·~-----~ "I hereby certify that this report for the drainage design of the Kai:ma-Kaima-Gamma Sorority site in College Station, Texas was prepared by me in accordance with the provisions of the City of College Station Drainage Policy and Desig_n Standards for the owners thereof." Regi-stered--Prefussiom1l Engineer State of Texas-No . .-43_1_9_1 ______ _ I. General Location: a. Bordered by Athens Drive and University Oaks Boulevard . b . Site is essentially a flat 2-acre lot. II. Property Descri~tion: a. Acreage = 1.2 acres . b . Ground cover, grass . c . Owner: Kappa-Kappa-Gamma Soro_rity . d . Development: 3516 sq .ft . house addition plus 7560 sq.ft . p_arking_lot expansion . Added paving plus roof= 11 ,076 sq .ft . (0 .25 acre) ID. Site Drainage Characteristics: a. The site essentially has a 0% slope and drains onto the two bordering streets. Current house area is 8259 sq .ft . and existing paved parking area is 27681 sq .ft . Current gr~ss area is 16,356 sq,ft ., and this will be reduced to 5280 sq,ft . after the development . IV. Hydrologic Criteria: -a a . Design rainfall: 12 .6 in./hour, 100-year criterion. b . Runoff calculation method : Rational Method . c. Detention storage and discharge method : Triangular Hygrogr.aph Method t=o ~t::Q lJ I~ E 't> ~E-TEIVTfON vo~vME" : 1101 f t 3 APPENDIX Hydrologic Calculations: Rational Method : Q =CIA C = runoff coefficient. For 0 -1 % slope : Cl = 0 .3 for natural grass areas @ 11 ,076 sq .ft . C2 = 0 .9 for roofs and parking lots @ 11 ,076 sq.ft . I = average rainfall intensity, based on 100-year criterion. For Brazos County, I = 98 I [( tc + 8.5) /\ 0 .745] tc = 5 . 9 min ; Use tc = 10 minutes allowed by code. I = 11.15 in . per hour; Use 12.6 in . per hour from graph . A= Tributary area = 0 .25 acres . Pre-Development: QI = 0 .3 * 12 .6 * 0 .25 = 0 .945 acre-in./hr., or 56 .7 cu .ft ./min . Post-Development: Q2 = 0 .9 * 12 .6 * 0 .25 = 2 .835 acre-in./hr ., or 170 .1 cu .ft./min . Retention Volume in Parking Lot: Objective: Maintain the pre-development outflow rate of 56 . 7 cu .ft./min. From Triangular Hygrograph, required retention for 30-minute period is 1701 cu .ft . New parking lot = 7560 sci,.ft . ParkingJot depression to r~tain storm water = 1701 I 7560 = 0 .225 ft ., or 2 .7 inches . Drain lines to street: ( Using flow velocity of 3 fps . Maximum flow rate restricted to 0 .945 cu .ft. I sec . Required pipe area= 0 .945 I 3 = 0 .315 sq . ft . or 45.4 sq . inches . Using two 3-inch pipes : Total area = 14 .1 sq .in .= 0 .10 sq .ft . Discharge rate = 3 * 0 .10 = 0.3 cu.ft. I sec . 0.3 cfs < 0.945 cfs O.K. -r-. \ L J -. ()i Ll Q,fs Q Cr;._J¥ (Q. r. J({Q-J ~;,.>-)Co .;;>.)) 'tJ , 0 :> ?7 • 0. '-~ -D , 3 '°3 c_ f s