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HomeMy WebLinkAboutWater/Fire Flow ReportLINCOLN HOUSE OF HOPE Water Report MBESI #1000-0191 The water systems described in the following report comply with all requirements of the City of College Station and TCEQ. Y�� G `dLit Je L obertson, P.E. No. 94745 1 lPate GENERAL LOCATION AND DESCIPTION Property Owner: Brazos Valley Community Service Center Location: 1013 Eleanor Street Surrounding development: This project is located across Eleanor Street from the Lincoln Center. The lot is in the Hrdlicka Subdivsion General Project Description: Building and parking area to be used by the Lincoln House of Hope for Community Services. WATER SYSTEM ANALYSIS Existing Water System: There is an 8" line that runs along Eleanor that will serve the building. Required Fire Flow: 1,500 gpm (See Exhibit B) Static Max Demands: Fixture Units = 11 (2 bathroom groups) Maximum Flow Rate = 10 gpm Minimum Number of Hydrants: Summary: The existing fire hydrant located across Eleanor Street from the subject property flows 1,455 gpm at 90 psi. The required fire flow for this site is 1,510 gpm (peak demand plus fire). The existing City system provides adequate flow and pressure to meet the TCEQ and City of College Station standards for this site (20 psi minimum). Applicable Exhibits: WATER REPORT Lincoln House of Hope A — Fire Flow Data for existing Hydrant B — Appendix B from IFC EXHIBIT A Fire Flow Data for Existing Fire Hydrant WATER REPORT Lincoln House of Hope College Station Utilities Reliable, Affordable, Community Owned Date test completed Thursday August 11, 2011 Time completed Test completed by 1:45 P.M. Justin Tamplin Comments Requested Flow EXHIBIT B Excerpt from International Fire Code WATER REPORT Lincoln House of Hope The provisions contained in this appendix are not mandatory unless specifically referenced in the adopting ordinance. SECTION B101 GENERAL BI01.1 Scope. The procedure for determining fire -flow re- quirements for buildings or portions of buildings hereafter con- structed shall be in accordance with this appendix. This appendix does not apply to structures other than buildings. SECTION B102 DEFINITIONS B1021 Definitions. For the purpose of this appendix, certain terms are defined as follows: FIRE FLOW. The flow rate of a water supply, measured at 20 pounds per square inch (psi) (138 kPa) residual pressure, that is available for fire fighting. ® FIRE -FLOW CALCULATION AREA. The floor area, in square feet (mz), used to determine the required fire flow. SECTION B103 MODIFICATIONS B103.1 Decreases. The fire chief is authorized to reduce the fire -flow requirements for isolated buildings or a group of buildings in rural areas or small communities where the devel- opment of full fire -flow requirements is impractical. B103.2 Increases. The fire chief is authorized to increase the fire -flow requirements where conditions indicate an unusual susceptibility to group fires or conflagrations. An increase shall not be more than twice that required for the building under con- sideration. B103.3 Areas without water supply systems. For informa- tion regarding water supplies for fire -fighting purposes in rural and suburban areas in which adequate and reliable water supply systems do not exist, the fire code official is authorized to uti- lize NFPA 1142 or the International Urban Wildlasd Interface Code. SECTION B104 FIRE -FLOW CALCULATION AREA 1 B104.1 General. The fire -flow calculation area shall be the to- tal floor area of all floor levels within the exterior walls, and un- der the horizontal projections of the roof of a building, except as modified in Section B 104.3. B104.2 Area separation. Portions of buildings which are sepa- rated by fire walls without openings, constructed in accordance with the International Building Code, are allowed to be consid- ered as separate fire -flow calculation areas. B104.3 Type IA and Type IB construction. The fire -flow cal- culation area of buildings constructed of Type IA and Type IB construction shall be the area of the three largest successive floors. Exception: Fire -flow calculation area for open parking ga- rages shall be determined by the area of the largest floor. SECTION B105 FIRE -FLOW REQUIREMENTS FOR BUILDINGS B105.1 One- and two-family dwellings. The minimum fire -flow requirements for one- and two-family dwellings hav- ing a fire -flow calculation area which does not exceed 3,600 square feet (344.5 nr2) shall be 1,000 gallons per minute (3785.4 L/min). Fire flow and flow duration for dwellings hav- ing a fire -flow calculation area in excess of 3,600 square feet (344.5 m2) shall not be less than that specified in Table B 105.1. Exception: A reduction in required fire flow of 50 percent, as approved, is allowed when the building is provided with an approved automatic sprinkler system. B105.2 Buildings other than one- and two-family dwellings. The minimum fire flow and flow duration for buildings other than one- and two-family dwellings shall be as specified in Ta- ble B105.1. Exception: A reduction in required fire flow of up to 50 percent, as approved, is allowed when the building is pro- vided with an approved automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2 of the In- ternational Fire Code. Where buildings are also of Type I or II construction and are a light -hazard occupancy as defined by NFPA 13, the reduction may be up to 75 percent. The re- sulting fire flow shall not be less than 1,500 gallons per min- ute (56781hnin) for the prescribed duration as specified in Table B 105.1. SECTION B106 REFERENCED STANDARDS B 104.2, ICC IBC International Building Code Table B 105.1 ICC IFC International Fire Code B105.2 ICC IUWIC International Urban- B103.3 Wildland Interface Code Standard on Water Supplies NFPA 1142 for Suburban and Rural Fire B103.3 Fighting 2003 INTERNATIONAL FIRE CODEOO 371 FIRE -FLOW REQUIREMENTS FOR BUILDINGS TABLE 13105.1 MINIMUM REQUIRED FIRE FLOW AND FLOW DURATION FOR RUILDINGSs FIRE -FLOW CALCULATION AREA (square feet) FIRE FLOW (gallons per minute)` FLOW DURATION (hours) Type IA and IBn Type IIA and IIIAe Type IV and V-Ab Type IIB and IIIBe Type V-Ba 0-22,700 0-12,700 0-8,200 0-5,900 0-3,600 1,500 22,701-30,200 12,701-17,000 8,201-10,900 5,901-7,900 3,601-4,800 1,750 30,201-38,700 17,001-21,800 10,901-12,900 7,901-9,800 4,801-6,200 2,000 38,701-48,300 21,801-24,200 12,901-17,400 91801-12,600 6,201-7,700 2,250 2 48,301-59,000 24,201-33,200 17,401-21,300 12,601-15,400 7,701-9,400 2,500 59,001-70,900 33,201-39,700 21,301-25,500 15,401-18,400 9,401-11,300 2,750 70,901-83,700 39,701-47,100 25,501-30,100 18,401-21,800 11,301-13,400 3,000 83,701-97,700 47,101-54,900 30,101-35,200 21,801-25,900 13,401-15,600 3,250 97,701-112,700 54,901-63,400 35,201-40,600 25,901-29,300 15,601-18,000 3,500 3 112,701-128,700 63,401-72,400 40,601-46,400 29,301-33,500 18,001-20,600 3,750 128,701-145,900 72,401-82,100 46,401-52,500 33,501-37,900 20,601-23,300 4,000 145,901-164,200 82,101-92,400 52,501-59,100 37,901-42,700 23,301-26,300 4,250 164,201-183,400 92,401-103,100 59,101-66,000 42,701-47,700 26,301-29,300 4,500 183,401-203,700 103,101-114,600 66,001-73,300 47,701-53,000 29,301-32,600 4,750 203,701-225,200 114,601-126,700 73,301-81,100 53,001-58,600 32,601-36,000 5,000 225,201-247,700 126,701-139,400 81,101-89,200 58,601-65,400 36,001-39,600 5,250 247,701-271,200 139,401-152,600 89,201-97,700 65,401-70,600 39,601-43,400 5,500 271,201-295,900 152,601-166,500 97,701-106,500 70,601-77,000 43,401-47,400 5,750 295,901-Greater 166,501-Greater 106,501-115,800 77,001-83,700 47,401-51,500 6,000 4 - - 115,801-125,500 83,701-90,600 51,501-55,700 6,250 - - 125,501-135,500 90,601-97,900 55,701-60,200 6,500 - - 135,501-145,800 97,901-106,800 60,201-64,800 6,750 - - 145,801-156,700 106,801-113,200 64,801-69,600 7,000 - - 156,701-167,900 113,201-121,300 69,601-74,600 7,250 - - 167,901-179,400 121,301-129,600 74,601-79,800 7,500 - - 179,401-191,400 129,601-138,300 79,801-85,100 7,750 - - 191,401-Greater 138,301-Greater I 85,101-Greater 8,000 For SI: 1 square foot = 0.0929 m2, 1 gallon per minute = 3.785 Um, 1 pound per square inch = 6.895 kpa. ® a. The minimum required fire flow shall be permitted to be reduced by 25 percent for Group R. b. Types of construction are based on the Guermational Building Code. c. Measured at 20 psi. 372 2003 INTERNATIONAL FIRE CODE@ College Station Utilities Reliable, Affordable, Community Owned Date test completed Thursday August 11, 2011 Time completed 1:45 P.M. Test completed by Justin Tamplin Witness Gerald Borths FLOW HYDRANT Location 1000 Eleanor Nozzle size 2.5 Hydrant number J-125 Pitot reading in PSI 75 Flow in G.P.M. 1455 STATIC HYDRANT Location 902 Eleanor Hydrant number J-126 Static PSI 93 Residual PSI 90 Comments Requested Flow II.16`d 6 11