1987, 09-23 Fire Flow DeterminationGUIDE FOR DETERMINATION OF REQUIRED FIRE FLOW
C.
IV III V-t4
FIRE -RESISTIVE NON-COMBUSTIBLE ORDINARY WOOD FRAME MIXED
NOTE: IF "MIXED", SEE SPECIAL INSTRUCTIONS FOR AREA AND BASIC FIRE FLOW.
B. DETERMINE THE GROUND FLOOR AREA dl2o itimwoua_ unrz
DETERMINE THE HEIGHT IN STORIES
D. DETERMINE REQUIRED FIRE FLOW TO THE NEAREST 250 GPM (USE TABLE 9035-9 GPM
E. DETERMINE THE CREDIT OR SURCHARGE, IF ANY, FOR TYPE OF OCCUPANCY. IF LOW
HAZARD, SUBTRACT UP TO 25% OF (D); IF HIGH HAZARD, ADD UP TO 25% OF (D)
CREDIT (SUBTRACT) 2s % SURCHARGE (ADD) 2.2.5 90
903.59 x.25= 2z5,90 TOTAL 677.4.y
DETERMINE CREDIT IF ANY FOR AUTOMATIC SPRINKLER PROTECTION.
CREDIT (SUBTRACT) o
TOTAL 677.69
DETERMINE EXPOSURE ADJUSTMENT;'`
USING THE TABLE AT LEFT AS GUIDE, ENTER THE SEPARATION AND ADJUSTMENT
FOR EACH OF THE "FOUR FACES' OF THE BUILDING IN THE TABLE AT RIGHT:
SEPARATION MAX ADJUSTMENT
0-10 25% MAX
11-30 20% MAX
51-60 15% MAX
61-100 1qq% MAX
101-150 S% MAX
1S1-OR 4-HR WALL 0% MAX
EXPOSURE SEPARATION ACT. ADJUSTMENT
NORTH id' ADD 26-
EAST uNrr ADD zs %
SOUTH VS' ADD 1S
WEST. 4417" ADD 24' %
TOTAL % ADJUSTM IT
(NOT TO EXCEED /5%): 4tr r %
DETERMINE ROOF COVERING ADJUSTMENT;
(IF WOOD SHINGLE ROOF COVERING, ADD 500 GPM) ADJUSTMENT:
cot»posmoN
(G) & (H) SURCHARGE (ADD) sos.z7
TOTAL: __l[ "6
Zr J OFF THE FINAL ANSWER TO THE NEAREST 250 GPM IF LESS THAN 2500 GPM AND TO
NEAREST 500 GPM IF GREATER THAN 2500 GPM.
TOTAL REQUIRED FIRE FLOW: Izso,s rh
"FIRE Raul Fop. sw• tas.. su►wit4 Is 35uo btm
fdirateml, repozrrn 9iagk
677.69 x . 76= So8.27
FIRE DISTRICT ff i
ADDRESS it 303 uNPIE0.Srry PLAN #
A. DETERMINE TYPE OFCONSTRUCTION- CLASS (CIRCLE ONE):
I - I
F�
G.