FIR2022-0043+Calculations+4.15.2022_9.12.08_AM+2804685State of Washington
Sprinkler License # Designer: Kenneth H.
RO-BI-NP-*272C2, Level Robinson-Elmslie
Robinson
1230121st Pl SE State of Washington Sprinkler
E tt WA 98208 D' C if f
vere , esigner, ert irate o
Plumbing Inc 360-403-7462 Competancy #7659-0106-CE 13
FI R2022-0042
Builder: CC Construction RECEIVED
Property address: 8354 Olympic View DR., Edmonds (Lot A)
Total quantity of sprinkler heads: 25 Apr 15 2022
CITY OF EDMONDS
DEVELOPMENT SERVICES
Fire sprinkler system notes: DEPARTMENT
* Fire sprinkler system design per NFPA 13d (standard for houses and duplexes).
* Fire sprinkler system to be pressure tested and flow tested.
* Sprinkler piping and fittings to be C.P.V.C. "Flameguard" by Speers Mfg.
* Installation of C.P.V.C. pipe and fittings to be done by manufacturer certified installers
* Sprinkler system to supply water connection for toilets, providing "flow through" in lieu of
backflow prevention. Dead end branch lines shall be kept to no more than 20' in length
* Sprinkler heads to be Victaulic FL-RES/C concealed pendant with escutcheons per listing. SIN
# V4906.
* Lines in attic to be protected from freezing with tent insulation (by others).
* Design spacing for Victaulic concealed pendant is 16' x 16' (256 square feet).
* Design Density is minimum .05 gpm/square foot
* Design area is for 2 head simultaneous flow.
* Minimum flow requirements (concealed pendant) are:
(1) head flow = 13 gpm @ 7.0 psi (flat or sloped ceilings up to 8/12)
(2) head flow = 13 gpm (ea) @ 7.0 psi (flat or sloped ceilings up to 8/12)
JOB: CC CONSTRUCTION
ADDRESS: 8354 OLYMPIC VIEW DR, EDMONDS (LOT A)
DESIGNER: KENNETH H. ROBINSON-ELMSLIE
CALCULATIONS FOR 26 GPM FLOW (2 HEADS) IND. LOSS NET TOTAL
A. WATER PRESSURE IN STREET 80.00
B: SELECT PIPE SIZE: 1"
C: DEDUCT METER & SETTER LOSS (1")
12.00 68.00
DEDUCT BACKFLOW DEVICE LOSS (NONE)
0.00 68.00
D: DEDUCT HEAD LOSS FOR ELEVATION
HEIGHT 20 X .434 LBS/FT
8.68 59.32
E. DEDUCT PRESSURE LOSS FROM MAIN TO SRINKLER
1-1/4" WATER SERVICE
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 180 1 180
ELLS: 8 2 16
R-TEES 7 3 21
B-TEES 3 2 6
TOTAL: 223
TOTAL EQUIVALENT FT. X .04 PSI/FT =
8.92 50.40
F: DEDUCT PRESSURE LOSSES FOR 1-1/2" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 0 1 0
ELLS: 0 7 0
R-TEES 0 1 0
B-TEES 0 8 0
TOTAL: 0
TOTAL EQUIVALENT FT. X .0178 PSI/FT =
0 50.40
F: DEDUCT PRESSURE LOSSES FOR 1-1/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 65 1 65
ELLS: 7 6 42
R-TEES 9 1 9
B-TEES 4 6 24
TOTAL: 140
TOTAL EQUIVALENT FT. X .0343 PSI/FT =
4.802 45.60
F: DEDUCT PRESSURE LOSSES FOR 1" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 38 1 38
ELLS: 0 5 0
R-TEES 5 1 5
B-TEES 1 5 5
TOTAL: 48
TOTAL EQUIVALENT FT. X .1067 PSI/FT =
5.12 40.48
F: DEDUCT PRESSURE LOSSES FOR 3/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 9 1 9
ELLS: 0 4 0
R-TEES 0 1 0
B-TEES 1 3 3
TOTAL: 12
TOTAL EQUIVALENT FT. X .0296 PSI/FT =
0.36 40.12
REMAINING PRESSURE FOR SPRINKLER OPERATION
40.12
CALCULATIONS PER NFPA 13D A.10.4.3 (A) (2013 ED.)
• WASHINGTON STATE •
CERTIFICATE OF COMPETENCY •
• FME'ROTlCTION •PRINRLER SYSTIMS •
•
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• 7659-0106-CE Level 3 '
' Robinson Plumbing, Inc.
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