FIR2021-0044+Calculations+4.30.2021_9.36.27_AM+2172825State of Washington
1Y1 Yt
Sprinkler License # Designer: Kenneth H.
Robinson RO-BI-NP-*272C2, Level 3 Robinson-Elmslie
29330124th Ave N.E. State of Washington Sprinkler
Plumbing Inc 01403--7462 A 98223 Comp tancyertificate of
#7659-0106-CE L-3
Builder: Advantage Contractors
Property address: 7412 176th St SW, Edmonds (Weiss - Cook Residence)
Total quantity of sprinkler heads: 27
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.
* Underground water service to be combination fire and domestic.
* Sprinkler heads to be Globe Sprinkler Co. "Inch" concealed pendant with escutcheons per listing. SIN
# GL4906 and Globe sidewll SIN # GL3241. Dry head for outdoor fireplace Globe GL5641.
* Lines in attic to be protected from freezing with tent insulation (by others).
* 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.
* Design spacing 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 are:
(1) head flow =13 gpm @7.0 psi (flat or sloped ceilings)
(2) head flow =13 gpm (ea) @ 7.0 psi (flat or sloped ceilings)
JOB: ADVANTAGE CONTRACTORS
ADDRESS: 7412 176TH ST SW, EDMONDS (WEISS - COOK RESIDENCE)
DESIGNER: KENNETH H. ROBINSON-ELMSLIE
CALCULATIONS FOR 26 GPM FLOW (2 HEADS) IND. LOSS NET TOTAL
A. WATER PRESSURE IN STREET 55.00
B: SELECT PIPE SIZE: 1"
C: DEDUCT METER & SETTER LOSS (1") 12.00 43.00
DEDUCT BACKFLOW DEVICE LOSS (NONE) 0.00 43.00
D: DEDUCT HEAD LOSS FOR ELEVATION
HEIGHT 30 X .434 LBS/FT 13.02 29.98
E. DEDUCT PRESSURE LOSS FROM MAIN TO SRINKLER
1-1/2" WATER SERVICE
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 150 1 150
ELLS: 8 2 16
R-TEES 7 3 21
B-TEES 3 2 6
TOTAL: 193
TOTAL EQUIVALENT FT. X .02 PSI/FT = 3.86 26.12
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 26.12
F: DEDUCT PRESSURE LOSSES FOR 1-1/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 37 1 37
ELLS: 7 6 42
R-TEES 3 1 3
B-TEES 5 6 30
TOTAL: 112
TOTAL EQUIVALENT FT. X .0343 PSI/FT = 3.8416 22.28
F: DEDUCT PRESSURE LOSSES FOR V PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 12 1 12
ELLS: 3 5 15
R-TEES 2 1 2
B-TEES 1 5 5
TOTAL: 34
TOTAL EQUIVALENT FT. X. 1067 PSI/FT = 3.63 18.65
F: DEDUCT PRESSURE LOSSES FOR 3/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 10 1 10
ELLS: 1 4 4
R-TEES 0 1 0
B-TEES 0 3 0
TOTAL: 14
TOTAL EQUIVALENT FT. X .0296 PSI/FT = 0.41 18.24
REMAINING PRESSURE FOR SPRINKLER OPERATION 18.24
CALCULATIONS PER NFPA 13D A.10.4.3 (A) (2013 ED.)
WASHINGTON STATE a
CERTIFICATE OF COMPETENCY
PIKE PROTECTION SPRINKLER SYSTEM �
Kenneth H. Robinson-Elmslie
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