FIR2022-0042+Calculations+4.15.2022_9.16.05_AM+2804717F I R2022-0042
State of Washington
Sprinkler License # Designer: Kenneth H.
Robinson RO-BI-NP-*272C2, Level 3 Robinson-Elnislie
1230121st PI SE State of Washington Sprinkler
Plumbing Inc Everett, WA 98208 Designer, Certificate of
360-403-7462 Competancy #7659-0106-CE 13
Builder: CC Construction RECEIVED
Property address: 8344 Olympic View DR., Edmonds (Lot B) Apr 15 2022
Total quantity of sprinkler heads: 28 CITY E
DEVELOPMENT
SSERVI ERVICES
DEPARTMENT
Fire sprinkler system notes:
* 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: 8344 OLYMPIC VIEW DR, EDMONDS (LOT B)
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: 200 1 200
ELLS: 8 2 16
R-TEES 7 3 21
B-TEES 3 2 6
TOTAL: 243
TOTAL EQUIVALENT FT. X .04 PSI/FT = 9.72 49.60
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 49.60
F: DEDUCT PRESSURE LOSSES FOR 1-1/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 45 1 45
ELLS: 69 6 414
R-TEES 5 1 5
B-TEES 3 6 18
TOTAL: 482
TOTAL EQUIVALENT FT. X .0343 PSI/FT = 16.5326 33.07
F: DEDUCT PRESSURE LOSSES FOR 1" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 55 1 55
ELLS: 2 5 10
R-TEES 7 1 7
B-TEES 2 5 10
TOTAL: 82
TOTAL EQUIVALENT FT. X .1067 PSI/FT = 8.75 24.32
F: DEDUCT PRESSURE LOSSES FOR 3/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 5 1 5
ELLS: 1 4 4
R-TEES 0 1 0
B-TEES 0 3 0
TOTAL: 9
TOTAL EQUIVALENT FT. X .0296 PSI/FT = 0.27 24.05
REMAINING PRESSURE FOR SPRINKLER OPERATION 24.05
CALCULATIONS PER NFPA 13D A.10.4.3 (A) (2013 ED.)
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