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.
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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