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Tualatin Valley Fire Flow and Hydrant Worksheet v- x,;, .' q �,;f ,
Fire & Rescue
North Operating Center Central Operating Center South Operating Center
20665 SW Blanton Street 11945 SW 70th Avenue 8445 SW Elligsen Road
Aloha,OR 97007 Tigard,OR 97223 Wilsonville OR 97070
Phone:503-259-1400 Phone: 503-649-8577 Phone: 503-259-1500
Fax:503-259-1224 Fax: 503-642-4814 Fax: 503-259-1520
Fire Flow and Hydrant Worksheet
This worksheet is required to be submitted to and approved by the Authority Having Jurisdiction (AHJ) before any permits for
new building construction, building expansion or fire hydrants will be issued by any building department within the TVF&R
District. For assistance completing this form,see the Fire Flow and Hydrant Worksheet Instructions or call the Operating
Center nearest you.
SECTION 1 - Preparer Information
a. Preparer Name: Dean Masukawa Date: 12/10/2015
' Phone: (503) 221-1121 Fax: (503) 221-2077 E-mail: drnasukawa@Irsarchitects.com
b. Architect/Engineer of Record: Daniel C. Purgiel
Phone: (503) 221-1121 Fax: (503) 221-2077 E-mail: dpurgiel@Irsarchitects.com
SECTION 2 -General Building Information
a. Project Name: Tigard Apartments - Buildings 9&10
Project Address: 135th and Scholls Ferry Rd
City: Tigard County: Washington Zip: 97223
b. Construction Type: Type V-B
C. Total Bldg Area: 34,500 sq ft(as defined by the OSSC)
Total Fire Area: 34,500 sq ft(as defined by the OFC)
^
Ps Bldg Fire Flow: 5000 GPM (base amount without adjustment for occupancy hazard classification)
d. Describe Fire Area: (if more than one fire area,include an 8 1/2 x 11 or 11 x 17 drawing indicating the various fire areas)
Multi Family Residential- Building#9&10
e. Type of Occupancy or Use of Building: R-2
Page 1 Revised: October 2011
- Fire Flow and Hydrant Worksheet (continued)
SECTION 3 -Occupancy Hazard
a. Percentage of Occupancy Hazard Classifications (see Worksheet Instructions-tables 1 and 2)
Occupancy Hazard Classification Fire Area Total Fire Area Percent of Fire Area
Light Hazard 34500 SF / 34,500 SF x 100 = 100
Ordinary Hazard Grp 1 0 SF / 34,500 SF x 100 = 0
Ordinary Hazard Grp 2 (HPCS I & II) 0 SF / 34,500 SF x 100 = 0
Extra Hazard Grp 1 (HPCS III) 0 SF / 34,500 SF x 100 = 0
Extra Hazard Grp 2 (HPCS IV& HH) 0 SF / 34,500 SF x 100 = 0
Total must equal 100% 100 %
b. Calculated Fire Flow
Occupancy Hazard Classification Factor Fire Area Fire Flow Bldg Fire Flow
Light Hazard _ 0.75 x lit % x 5000 GPM = 3750 GPM
Ordinary Hazard Grp 1 0.85 x 0 % x 5000 GPM = 0 GPM
Ordinary Hazard Grp 2 1 x 0 % x 5000 GPM = 0 GPM
Extra Hazard Grp 1 1.15 x 0 % x 5000 GPM = 0 GPM
Extra Hazard Grp 2 1.25 x 0 % x 5000 GPM = 0 GPM
C. Required Fire Flow with Occupancy Hazard Adjustment 3750 GPM
SECTION 4 - Minimum Number of Fire Hydrants Required
Refer to Table C105.1 below(2010 OR Fire Code, Appendix C) for the minimum number of hydrants required.
Required Fire Flow: 3750 GPM
TABLE C105.1
NUMBER AND DISTRIBUTION OF FIRE HYDRANTS
FIRE-FLOW REQUIREMENT MINIMUM NUMBER
(gpm) OF HYDRANTS
1,750 or less1
2,000-2,250 2
2,500 3
w. .
3.000 3
3,500-4,000 4
4,500-5.000 5
_ .
5,500 6
6,000 6
6,500-7,000 7
7,500 car more 1 8 or more'
Page 2 Revised: October 2011
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Fire Flow and Hydrant Worksheet (continued)
SECTION 5 - Reduction of Fire Flow
Reduced by 75% for an approved automatic sprinkler system, installed in accordance with NFPA 13 or NFPA
13R (choose multiplier 0.25 in Section 6).
SECTION 6 - Required Fire Flow
Fire Flow: 3750 GPM x 0.25 1500 GPM
(Min.= 1500, Max. =3000)
SECTION 7 -Available Fire Flow to the Building
Manually enter available fire flow here. Please attach documentation of the flow test that was conducted. It
must include date, time and location of static/residual and flow hydrants, as well as the tester's name, phone
number and address.
Test Results: GPM
Page 3 Revised: October 2011