FIR2021-0064+Calculations+6.23.2021_8.35.44_AM+2264740State of Washington
Sprinkler License # Designer: Kenneth H.
Robinsoninn RO-BI-NP-*272C2, Level 3 Robinson-Elmslie
29330124th Ave N.E. State of Washington Sprinkler
Inc
01403�-7462WA 98223 Designer,
Plumbing ompetancy #7659 0106-CE Level
Builder: G2 Contractors
Property address: 15712 72nd Ave W, Edmonds (Sharma Residence)
Total quantity of sprinkler heads: 52
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. Backflow assembly to be
installed on fire sprinkler supply after tee.
* Sprinkler heads to be Globe Sprinkler Co. "Inch" concealed pendant with escutcheons per
listing. SIN # GL4906 and Globe GL4231 horizontal sidewall .
* Lines in attic to be protected from freezing with tent insulation (by others).
* Design spacing for Globe 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)
(2) head flow =13 gpm (ea) @ 7.0 psi (flat or sloped ceilings)
JOB: G2 CONTRACTORS (SHARMA RESIDENCE)
ADDRESS: 15712 72ND AVE W, EDMONDS
DESIGNER: KENNETH H. ROBINSON-ELMSLIE
CALCULATIONS FOR 26 GPM FLOW (2 HEADS) IND. LOSS NET TOTAL
A. WATER PRESSURE IN STREET 130.00
B: SELECT PIPE SIZE: 1"
C: DEDUCT METER & SETTER LOSS (1")
12.00 118.00
DEDUCT BACKFLOW DEVICE LOSS
5.00 113.00
D: DEDUCT HEAD LOSS FOR ELEVATION
HEIGHT 30 20
13.02 99.98
E. DEDUCT PRESSURE LOSS FROM MAIN TO SRINKLER
1-1/4" WATER SERVICE
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 150 1 150
ELLS: 2 2 4
R-TEES 4 3 12
B-TEES 1 2 2
TOTAL: 168
TOTAL EQUIVALENT FT. X .04 PSI/FT =
6.72 93.26
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 0
TOTAL EQUIVALENT FT. X .0178 PSI/FT =
0 93.26
F: DEDUCT PRESSURE LOSSES FOR 1-1/4" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 10 1 10
ELLS: 2 6 12
R-TEES 4 1 4
B-TEES 1 6 6
TOTAL: 32
TOTAL EQUIVALENT FT. X .0343 PSI/FT =
1.0976 92.16
F: DEDUCT PRESSURE LOSSES FOR 1" PIPING
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
ITEM QUANTITY EQUIV FT. TOTAL FT.
PIPE: 127 1 127
ELLS: 10 5 50
R-TEES 13 1 13
i..................� ... .
B-TEES 4 5 20
20
WASHIINGTON STATE •
TOTAL: 2
• CERTIFICATE OF COMPETENCY •
TOTAL EQUIVALENT FT. X .1067 PSI/FT = 22.41 69.76
: FIRE PROTECTION SPRINKLER SYSTEMS
F: DEDUCT PRESSURE LOSSES FOR 314" PIPING
; Kenneth H. Robinson-Eimslie
FROM CONTROL VALVE TO MOST REMOTE SPRINKLER
• 765"1WCE Level 3 •
ITEM QUANTITY EQUIV FT. TOTAL FT.
• Robinson Plumbing, in . M•
PIPE: 17 1 17
:'R 81 P 72C2 � of
ELLS: 2 4 8
• ; Expi es
R-TEES 0 1 0
93
• _� 1213!(21
B-TEES 0 3 0
•w •. s ............. ... t
TOTAL: 25
TOTAL EQUIVALENT FT. X .0893 PSI/FT = 2.23 67.52
REMAINING PRESSURE FOR SPRINKLER OPERATION 67.52
CALCULATIONS PER NFPA 13D A.10.4.3 (A) (2013 ED.)