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Home My WebLink About85 Development Pemit 640 Best BuyDEVELOPMENT PERMIT PERMIT N0.640 -SITE BEST BUY FOR AREAS OUTSIDE THE SPECIAL FLOOD HAZARD AREA RE: CHAPTER 13 OF THE COLLEGE STATION CITY CODE SITE LEGAL DESCRIPTION: LONE STAR PAVILION OWNER: SUN BUILDERS ATTN: JUDY SMITH 2600 CIT ADEL STE 640 713-868-9123 DRAINAGE BASIN: WOLF PEN CREEK SITE ADDRESS: TEXAS A VENUE TYPE OF DEVELOPMENT: THIS PERMIT IS VALID FOR SITE CONSTRUCTION AS PER APPROVED PLANS. 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 'd elopment shall be in accordance with the plans and specifications submitted to and approved by the 1 Engineer in the development permit application for the above named project and all of the codes ordinan if th ity of College Station that apply. Date Date Date " 06 /18 /99 09 :51 ~409 764 3496 DEVELOPMENT SVCS ~-~ (OLLL(j[ ST>4TION FACSIMILE COVER SHEET Cf!YOFCOLLEGESTATION DEVELOPNIENT SERVICES 1101 Texas Avenue South, PO Box 9960 College Station, Texas 77842 Phone (409)764-3570 I Fax (409)764-3496 Date: June 18. 1999 # of pages included cover:_L ff you did not r-eceive a c.omple~ fax, plett.'I{:. call 0111· office immcdiJltcly for a new transmiftlJJ.. ~55 °'~ TO: Bill Wrjzht FAX: (713) 278~944~ COMPANY:.~-~-~~~"WL'-'-""'B~A=ss=oc=i=a=tes~~~I=nc=·-~~---~- FROM:._---::B;.=-n=· d~ge=tt=e:.......;G=e=o-=<irg.,..e...._ __ PHONE: (409)764-3570 COMPANY: _______ c=ity=.,J.......:.o=f-=C=o=lle~s .... e-=S=ta=ti=o=n~------- REMARKS: 0 Urgent [81 For your review D Replay ASAP D IYI We will be ready to issue a development permit when we receive the following: 1) Development Permit application; and, 2) Seven (7) copies of the plans fol' us to approve. Thank you, Bridgette ;Jr/~ (.,./:,,I /91' @001 06 /18 /99 09 :51 '6'409 764 3496 DEVELOPMENT SVCS 141002 FOR OFFICE USE ONLY CASE NO_: DATE SUBMITTED:---~ DEVELOPMENT PERMIT M.JNIMIJM SUBMITrAL REQUIRE:MENTS J _ $100.00 Development Permit Application Fee. __ Drainage and erosion control plan, with supporting Drainage Report two (2) copies each. Notice ofintent (N_O.L) if disturbed area is greater than 5 acres. LEGALDESCRlPTION ____ ~-~----~--~------~----~ . APPLICANT (Primary Contact for the Project): Name SU N BU/L D £-9 S Street Address .l (;o o ct TA b £1 , /JLA z A pff-!r& ·ty _11_..o~t~:.& .... S'--r o_rJ ______ _ State TeX' Zip Code ~ E-Mail Address ------------ Phone Number Z/.? -d't1 -V z.. ..J Fax Number 7/ ?-3G 7 -80 z._ 3 PROPERTY OWNER'S INFORMATION: Name B EST B L('{" StreetAddress_~-~---------~-City_~------~-~~- Statc Zip Code -----E-Mail Address ------------ Phone Number Fax Number --~------~---~-~ ARC!IlTECT OR ENGINEER'S INFORMATION: Name :ef),.1//an t1. LAAJ(Fatef) I'. E. -WL /3 A S-$oc.j q7&1S .X JVc Street Address _ 78 3 CJ hJes r G; Le IJ ./)&111e City _&~o'--u_s __ z_o_AJ~----- State Ix Zip Code 7 7 o c, 3 E-Mail Address w Lb @ ev 16.:e µ? , eon Phone Number 7i 3 ~ 7 ? -CJ_?ao Fax Number 7 I :S -.2 7 'fl -CJ "t 2 2 Application is hereby made fur the following development specific site/waterway alterations: ACKNOWLEDGMENTS: L WI Ll..J AM M. LA t\)(;fDf2D • design enginccr/~hereby acknowledge or affirm that The information and conclusions contained in the: above plans and supporting docwncnts comply with the current requirements of the City of College Station, Texas City Code, Chapter 13 and its associated Drainage Policy and Design Standards. As a condition of approval of this permit application., I agree to construct the improvements proposed in this application according to these documents and requirements of Chap~r 13 of the College Station City Code. Contractor 06 /18 /99 09 :52 '6'409 764 3496 DEVELOPMENT SVCS 141003 CERTIFICATIONS; (fur proposed alt.erations within designated flood hazard areas.) A ~ x certify that any nonresidential structure on or proposed to be on this: site as part of this application is designated to prevent damage to the structure or its contents as a result of flooding from the 100 year stonn. Engineer Date B . I. certify that the finisbed floor elevation oftbe lowest floor, including any basement, of any residential structure, proposed as part of this application is at or above the base flood elevation established in the lartst Federal Insurance Administration Flood Haza.rd Study and maps, as amended. Engineer Dat.e C. I, certify that the alteratious or dcvek1pmeut covered by this permit shall not diminish the tlood~rrying c;;apacity of the waterway adjoinin.g or crossing this permitted site and that such alterations or development are consistent with requirements of the City of College Station City Code, Chapt~r 13 concerning encroachroents of flood ways and of floodway fringes. Date D. I, do certify that the proposed alterations do not raise the level of the 100 year flood above elevation established in the latest Federal Insurance Administration Flood Ha2ard Study. Engineer Date Conditions or comments as part of approval:----------- 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 fucilities. All development shall be in accordance with the plans and specifications submitted to and approved by the City Engineer for the above named proj~. All of the applicable codes and ordinances of the City of College Station shall apply. DE'/£1.0PMENT PERMIT DPERMIT.DOC 3!l4/'J9 2of2 W'LB A.BBOCIA'l9BB, be .. CONSULTING ENGINEERS PROJECT MEMORANDUM July 1, 1999 To: J. D. Burkhart Sun Builders Sun Builders/Best Buy 805 Texas A venue College Station, Texas 77840 From: Bill Wright Project: Re Proposed Construction of a Best Buy store in College Station WLB File No. 9900301 Subject: Plans for Permit Review. Attached are 7 sets of plans for permit review and a permit application, which has been signed by Bill Langford. You will need to sign as the contractor and submit this form. Note that the City attached an engineer's certification regarding flood plain. According to the City this certification does not need to be signed because the property is not shown in the flood plain. I will be out of the office until Tuesday July 6 if you need help call Bill Langford at our office on Friday. WLB ASSOCIATES , INC . •7830 Westglen Drive• Houston , Texas 77063 •Tel 713 278-9300 •Fax 713 278-9422 • e-mail wlb@wlbeng .com (o\.\-0 DEVELOPMENT PERMIT PERMIT N~ -SLAB ONLY BEST BUY FOR AREAS OUTSIDE THE SPECIAL FLOOD HAZARD AREA RE : CHAPTER 13 OF THE COLLEGE STATION CITY CODE SITE LEGAL DESCRIPTION: LONE STAR PAVILION OWNER: SUN BUILDERS ATTN: JUDY SMITH 2600 CIT ADEL STE 640 713-868-9123 DRAINAGE BASIN: WOLF PEN CREEK SITE ADDRESS: TEXAS A VENUE TYPE OF DEVELOPMENT:This permit is valid for SLAB WORK ONLY. 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. This permit, being temporary, is valid only within sixty (60) days of the date shown below, and is not intended to allow the complete development of the site as proposed . Any work performed after the expiration of this permit is not covered, and is considered unauthorized . 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 ci ty streets, or existing drainage facilities. I hereby grant this permit for development of an area outside the special flood hazard area. A ll development shall be in a ance with the plans and specifications submitted to and appro ved by the City Engineer in the de lopme t permit application for the above named project and all of the codes .,...__:uort ordinances of the i Co ege Station that apply. Date ' Owner/ Agent .-<? / ./ P/.'~ Date Contractor Date ·- WLB ASSOCIATES, INC . Consulting Engineers PROJECT MEMORANDUM TO: Mr. Jeff Tondre FROM: William M Langford, PE Date : May 21 , 1999 Project No .: 9900301 PROJECT : Best Buy, Lone Star Pavilion, College Station, Texas SUBJECT : Analysis of Additional Required Detention Volume REV\E.WE. . coMf>L\A I JUN 15199 COLLEGE STAT\ON ENG\NEER\NG Per our previous discussions, additional detention is required only for the area of increased impervious cover proposed for the Best Buy above the impervious cover utilized in the previous detention design for ' the Lone Star Pavilion Shopping Center. The analysis of additional detention was performed utilizing the Triangular Hydrograph Approximation Method of the City of College Station Drainage Policy and Design Standards . Peak discharges were computed utilizing the Rational Method in accordance with the Design Standards. Discharges from the new impervious areas are to be directed to the detention pond behind the existing center as contemplated in the previous design . No changes are proposed to the outflow control structure, which was previously designed to regulate flows at or near the existing discharge rates prior to development of the Lone Star Pavilion Center. A 100-Year frequency rainfall will produce the highest volume of additional storage and will be used for the analysis. Components used to determine the required additional volume are as follows : Filename I. Increased Area oflmpervious Cover Above Previous "Future Petsmart" footprint ; A. 210 ' ~ 10 ' = 2100 sf S. Bldg Wall Extension B. 30 ' x 11' = 330 sf S.E. Bldg Notch Area Deletion C . 2 x 5' x 10 ' = 100 sf Additional Sidewalk Ramp Area 2530 sf D . 27' x 17' = 459 sf E . 10 ' x 45 '/ 2 = 225 sf • 684 sf Increase Impervious Removed Paved Parking S.W . Bldg Comer Removed Driveway Paving Detention Expansion New Pervious Grassed Areas Net Increase in New Impervious Cover over Previous Design 1846 sf, (0 .043 acres) 7930 Westglen Drive, Houston , Te x as 77063; 713-278-9300; FAX 713-2 78-9422 Page 2 of2 II. Peak Discharge (Rational Formula, Q=CIA, reference Table ID-1) A. Runoff Coefficient C = 0 .60 for landscape, slope 1-3 .5% Runoff Coefficient C = 0 . 90 for roof areas B . Rainfall Intensity, reference Fig. ID-1 Frequency Tc= 10 Tc=30 Tc= 60 1(5) 7 .70 4 .25 2 .80 1(10) 8.30 4 .90 3 .15 1(25) 9.80 5 .60 3 .65 1(50) 11.1 6.40 4 .15 1(100) 12.6 7 .25 4 .80 C. Area A= 0 .043 Ac . (reference previous) ill. Computation Storage Utilizing Triangular Hydrograph Approximation Reference Attached Spreadsheet Computations A. Tc= 10 Min, 100-Yr Volume= 146 .3 CF B . Tc= 30 Min, 100-Yr Volume= 252 .5 CF C . Tc= 60 Min, 100-Yr Volume= 334.4CF D . Tc= 90 Min, 100-Yr Volume= 381.4CF Tc= 90 2 .05 2 .35 2 .75 3 .15 3 .65 Due to the extremely small area being analyzed , and the steep slope of the existing landscape areas, time of concentration is less than 10-minutes for both existing and proposed conditions . Various times of concentration have .been used to see what the impact to computed storage volume would be assuming storms of different time durations . The results are summarized above and indicate that the volume increased slightly with longer storm durations . The previous drainage study for the Lone Star Pavilion prepared by Wilson/Zetty/ Associates designed a detention facility for the area of the proposed buildings and rear driveways . The 100-year analysi.S .. of this facility utilized a time to peak of 60 minutes and the facility should therefore be increased in size sufficiently to provide a minimum of an additional 334.4 CF of storage as identified in ill-C above ~· Addition of this volume is sufficient to prevent any adverse impact to the previous facility design due to the minor increase in impervious cover contemplated for the Best Buy development footprint over the amount anticipated for the "Future Petsmart" shown in the initial drainage study. Filename 7930 Westglen Drive, Houston , Texas 77 063 ; 713-278-9300; FAX 713-278-9422 .. ' ... "''\ .. ~ ; ~ i ----- WLB ASSOCIATES SIMPLIFIED DETENTION DETERMINATION UTILIZING TRIANGULAR HYDROGRAPH APPROXIMATION PROJECT : PROPOSED BEST BUY LONE STAR PAVILION COLLEGE STATION TEXAS Date:May 21 , 1999 JOB NO: 9900301 PROJ. AREA (AC) : FREQUENCY : 100 EXISTING PROPOSED TIME CONCENTRATION: 10 10 RUNOFF COEFFICIENT: 0.6 0.9 RAINFALL INTENSITY (IN): 12.6 12.6 PEAK DISCHARGE Q (CFS): 0.32508 0.48762 TIME EXISTQ EX. HYO MIN . CFS VOL (CF) 1 0.03 0 .98 2 0 .07 3 .90 3 0 .10 8.78 4 0.13 15.60 5 0.16 24.38 6 0 .20 35 .11 7 0 .23 47.79 8 0 .26 62.42 9 0.29 78 .99 10 0.33 97 .52 11 0.31 116.54 12 0.29 134.58 13 0 .28 151 .65 14 0.26 167.74 15 0.24 182.86 16 0.23 197.00 17 0.21 210.16 18 0.20 222 .35 19 0 .18 233 .57 20 0.16 243.81 21 0.15 253.07 22 0.13 261.36 23 0.11 268 .68 24 0 .10 275 .02 25 0 .08 . 280.38 26 0.07 284.77 27 0.05 288 .18 28 0.03 290 .62 29 0.02 292 .08 30 0.00 292 .57 0.043 WLB ASSOCIATES SIMJ;>LIFIED DETENTION DETERMINATION UTILIZING TRIANGULAR HYDROGRAPH APPROXIMATION PROJECT: PROPOSED BEST BUY LONE STAR PAVILION DATE: May 22, 1999 COLLEGE STATION TEXAS JOB NO: 9900301 PROJ. AREA (AC) : 0.043 FREQUENCY: 100 EXISTING PROPOSED TIME CONCENTRATION: 30 30 RUNOFF COEFFICIENT: 0.6 0.9 RAINFALL INTENSITY (IN): 7.25 7.25 PEAK DISCHARGE Q (CFS): 0.18705 0.280575 TIME -EXISTQ _EX.HYO MIN. CFS VOL (CF) 0.01 0.75 0.02 2.99 0.04 6.73 8 0.05 11.97 10 0.06 18.71 12 0.07 26.94 14 0.09 36.66 16 0.10 47.88 18 0.11 60.60 20 0.12 74.82 22 0.14 90.53 24 0.15 107.74 26 0.16 126.45 28 0.17 146.65 30 0.19 168.35 32 0.18 190.42 34 0.17 211.74 36 0.17 232.32 38 0.16 252.14 40 0.16 271.22 42 0.15 289.55 44 0.14 307.14 46 0.14 323.97 48 0.13 340.06 50 0.12 355.40 52 0.12 369.98 54 0.11 383.83 56 0.11 396.92 58 0.10 409.27 60 0.09 420.86 62 0.09 431.71 64 0.08 441.81 66 0.07 451.16 68 0.07 459.77 70 0.06 467.63 72 0.06 474.73 74 0.05 481.09 76 0.04 486.70 78 0.04 491.57 80 0.03 495.68 82 0.02 499.05 84 0.02 501.67 86 0.01 503.54 88 0.01 504.66 90 0.00 505.04 WLB ASSOCIATES SIMPLIFIED DETENTION DETERMINATION UTILIZING TRIANGULAR HYDROGRAPH APPROXIMATION PROJECT : PROPOSED BEST BUY LONE STAR PAVILION DATE: MAY 21 , 1999 COLLEGE STATION TEXAS JOB NO : 9900301 PROJ . AREA (AC) : 0.043 FREQUENCY : 100 EXISTING PROPOSED TIME CONCENTRATION : 60 60 RUNOFF COEFFICIENT: 0.6 0 .9 RAINFALL INTENSITY (I N): 4.8 4.8 PEAK DISCHARGE Q (CFS): 0.12384 0.18576 TIME EXIST Q EX.HYO MIN . CFS VOL (CF) 5 0.01 1.55 0.02 6 .19 15 0 .03 13 .93 20 0.04 24.77 25 0.05 38 .70 30 0.06 55 .73 35 0.07 75 .85 40 0.08 99 .07 45 0.09 125 .39 50 0.10 154 .80 55 0 .11 187 .31 60 0.12 222 .91 65 0 .12 259.29 70 0.11 294 .12 75 0.11 327.40 80 0 .10 359 .14 85 0.10 389 .32 90 0.09 417 .96 95 0.09 445.05 100 0 .08 470.59 105 0.08 494 .59 110 0.07 517 .03 115 0.07 537 .93 120 0.06 557 .28 125 0.06 575 .08 130 0.05 591 .34 . ~·-· ......... 135 0.05 606 .04 140 0.04 619 .20 145 0.04 630 .81 150 0.03 640 .87 155 0 .03 649 .39 160 0.02 656 .35 165 0 .02 661 .77 170 0 .01 665.64 175 0.01 667 .96 180 0.00 668.74 WLB ASSOCIATES SIMPLIFIED DETENTION DETERMINATION UTILIZING TRIANGULAR HYDROGRAPH APPROXIMATION PROJECT : PROPOSED BEST BUY LONE STAR PAVILION DATE : MAY 21 , 1999 COLLEGE STATION TEXAS . J OB NO : 9900301 PROJ. AREA (AC): 0.043 FREQUENCY : 100 EXISTING PROPOSED TIME CONCENTRATION: 90 90 RUNOFF COEFFICIENT: 0.6 0 .9 RAINFALL INTENSITY (IN): 3.65 3 .65 PEAK DISCHARGE Q (CFS): 0 .09417 0.141255 TIME EXISTQ EX.HYO MIN. CFS VOL (CF) 1 0 .00 0 .03 5 0 .01 0 .78 10 0 .01 3.14 15 0.02 7 .06 20 0 .02 12 .56 25 0 .03 19 .62 30 0.03 28.25 35 0.04 38.45 40 0.04 50.22 45 0.05 63.56 50 0 .05 78 .48 55 0 .06 94 .95 60 0.06 113 .00 65 0.07 132.62 70 0.07 153.81 75 0 .08 176 .57 80 0.08 200 .90 85 0 .09 226 .79 90 0.09 254 .26 95 0.09 282.12 100 0.09 309 .19 105 0 .09 335 .48 110 0.08 360 .99 115 0 .08 385 .70 120 0 .08 409 .64 125 0 .08 432 .79 130 0 .07 455 .16 135 0 .07 476 .74 140 0 .07 497 .53 145 0 .07 517 .54 150 0 .06 536 .77 155 0 .06 555 .2 1 160 0 .06 572 .87 165 0.05 589.74 170 0.05 605 .83 175 0 .05 621 .13 180 0 .05 ' 635.65 185 0 .04 649.38 190 0.04 662 .33 195 0.04 674.49 200 0.04 685.87 205 0.03 696 .47 210 0.03 706 .28 215 0 .03 715 .30 220 0 .03 723.54 225 0 .02 730 .99 230 0 .02 737.67 235 0.02 743 .55 240 0 .02 748.65 245 ' 0.01 752 .97 250 0.01 756 .50 255 0 .01 759.25 260 0 .01 761 .21 265 0.00 762.38 270 0 .00 762.78 March 15, 1999 Mr. Jeff Tondre City of College Station P.O. Box 9960 College Station, Texas 77842 WLB Associates, Inc . CONSULTING ENGINEERS Reference : Proposed Best Buy Store for the Lone Star Pavi lion in College Station, Texas WLB File No. 9900301 Dear Jeff, As you requested, during our meeting on Friday March 12 this letter is being provided to describe how we will address the site drainage of the proposed Best Buy Store to be constructed in the Lone Star Pavilion shopping center. As we discussed , the Best Buy store is slightly larger that the PetsMart bui lding which was planned when the original drainage report for this center was prepared. The larger building will occupy a small area of land that is now landscape area. The following is a description of how we will address this issue in the new site grading plan we are preparing fo r the Best Buy bui lding . The bui lding roof areas will drain to the rear drive area and be collected within the existing detention area in accordance with the previous drainage detention study for the full deve lopment. The on ly impact to the previous drainage plan will be associated with the pavement of the 10-foot strip of existing landscaping along Lincoln Street. This area will become impervious when the Best Buy store is constructed . Paving of this small area will have a very marginal im pact to the existing drainage systems. Our site grading design will offset this impact by provision of detention within the remaining landscape area or expansion of the capacity of the existing detention pond behind the building. A Texas Corporation CC : Judy Smith, Sun Builders (fax 713 869-8023) WL B Ass oci ates , Inc . CON S ULT ING ENG INEE RS •7915 W estglen Drive• Houston , Texas 77063 •Fax 713 953-2529 •Te l 713 417-9799