92NORTH STREET SALEM -MA - CALCS XCEL signedXcel Fire Protection
11A Industrial Way
Salem, NH 03079
603-890-3331
Job Name : 92 NORTH ST
Drawing : 1 of 1
Location : 92 North Street Salem, MA
Remote Area : 1
Contract : 2020-015
Data File : 2020.03.05_92 NORTH ST, SALEM_MA_3rd FLOOR.WXF
Computer Programs by Hydratec Inc. Revision: 50.54.2
Xcel Fire Protection Page 1
92 NORTH ST Date 02/29/2020
HYDRAULIC CALCULATIONS
for
Project name:92 NORTH STREET
Location:92 North Street Salem, MA
Drawing no:1 of 1
Date:02/29/2020
Design
Remote area number:1
Remote area location:3rd FLOOR
Occupancy classification:NFPA13R
Density:0.05 - Gpm/SqFt
Area of application:4 HEADS - SqFt
Coverage per sprinkler:256 - SqFt
Type of sprinklers calculated:V2774 155 HSW
No. of sprinklers calculated:4
In-rack demand: - GPM
Hose streams: - GPM
Total water required (including hose streams):160.027 - GPM @ 48.988 - Psi
Type of system:WET SYSTEM
Volume of dry or preaction system: - Gal
Water supply information
Date:
Location:
Source:
Name of contractor:Xcel Fire Protection
Address:11A Industrial Way / / Salem, NH 03079
Phone number:603-890-3331
Name of designer:P.COSTA
Authority having jurisdiction:
Notes: (Include peaking information or gridded systems here.)
Computer Programs by Hydratec Inc. Revision: 50.54.2
Xcel Fire ProtectionPage 2 92 NORTH STDate 02/29/2020 10203040E50R60U70S80S90E100R110P120130140150200 400 600 800 1000 1200 1400 1600 1800FLOW ( N ^ 1.85 )City Water Supply:Demand:C1C2C1 - Static Pressure : 77 C2 - Residual Pressure: 55 C2 - Residual Flow : 1055 D1 - Elevation : 12.993 D2 - System Flow : 60.027 D2 - System Pressure : 48.988 Hose ( Demand ) : 100 D3 - System Demand : 160.027 Safety Margin : 27.340 D1D2D3Water Supply Curve CComputer Programs by Hydratec Inc. Revision: 50.54.2
Xcel Fire ProtectionPage 3 92 NORTH STDate 02/29/2020 Fitting Legend Abbrev.Name ½¾11¼1½22½33½456810121416182024 E NFPA 13 90' Standard Elbow 1 2 2 3 4 5 6 7 8 10 12 14 18 22 27 35 40 45 50 61 G NFPA 13 Gate Valve 00000111122345678101113 N *CPVC 90'Ell Harvel-Spears 7789111213000000000000 O *CPVC Tee - Branch 33568101215000000000000 T NFPA 13 90' Flow thru Tee 3 4 5 6 8 10121517202530355060718191101121 Zwa Watts 007 Fitting generates a Fixed Loss Based on Flow Units Summary Diameter Units Inches Length Units Feet Flow Units US Gallons per Minute Pressure Units Pounds per Square Inch Note: Fitting Legend provides equivalent pipe lengths for fittings types of various diameters. Equivalent lengths shown are standard for actual diameters of Sched 40 pipe and CFactors of 120 except as noted with *. The fittings marked with a * show equivalent lengths values supplied by manufacturers based on specific pipe diameters and CFactors and they require no adjustment. All values for fittings not marked with a * will be adjusted in the calculation for CFactors of other than 120 and diameters other than Sched 40 per NFPA. Fittings Used SummaryComputer Programs by Hydratec Inc. Revision: 50.54.2
Xcel Fire Protection Page 4
92 NORTH ST Date 02/29/2020
SUPPLY ANALYSIS
Node at Static Residual Available
Source Pressure Pressure Flow Pressure Total Demand Required Pressure
CONN 77.0 55 1055.0 76.328 160.03 48.988
NODE ANALYSIS
Pressure Discharge
Node Tag Elevation Node Type at Node at Node Notes
1 30.0 4 10.29 12.83
2 30.0 4 10.24 12.8
3 30.0 5.6 9.6 17.35
4 30.0 5.6 9.26 17.04
5 30.0 11.11
6 30.0 11.48
7 10.0 24.67
8 2.0 37.29
ENT 0.0 45.27
CONN 0.0 48.99 100.0
Flow Summary - NFPA
Computer Programs by Hydratec Inc. Revision: 50.54.2
Xcel Fire Protection Page 5
92 NORTH ST Date 02/29/2020
Node1 Elev1 K Qa Nom Fitting Pipe CFact Pt
to or Ftngs Pe ******* Notes ******
Node2 Elev2 Fact Qt Act Eqiv Len Total Pf/Ft Pf
1 30 4.00 12.83 1 N 7.0 15.333 150 10.293
to O 5.0 12.000 0.0
5 30 12.83 1.101 0.0 27.333 0.0300 0.819 Vel = 4.32
0.0
5 12.83 11.112 K Factor = 3.85
2 30 4.00 12.80 1 N 7.0 17.250 150 10.240
to O 5.0 12.000 0.0
5 30 12.8 1.101 0.0 29.250 0.0298 0.872 Vel = 4.31
0.0
5 12.80 11.112 K Factor = 3.84
3 30 5.60 17.35 1 3N 21.0 14.917 150 9.603
to 0.0 21.000 0.0
6 30 17.35 1.101 0.0 35.917 0.0523 1.880 Vel = 5.85
0.0
6 17.35 11.483 K Factor = 5.12
4 30 5.60 17.04 1 4N 28.0 15.958 150 9.259
to 0.0 28.000 0.0
6 30 17.04 1.101 0.0 43.958 0.0506 2.224 Vel = 5.74
0.0
6 17.04 11.483 K Factor = 5.03
5 30 25.63 1.25 O 6.0 4.875 150 11.112
to 0.0 6.000 0.0
6 30 25.63 1.394 0.0 10.875 0.0341 0.371 Vel = 5.39
6 30 34.40 1.25 O 6.0 13.500 150 11.483
to N 8.0 14.000 8.662
7 10 60.03 1.394 0.0 27.500 0.1647 4.529 Vel = 12.62
7 10 0.0 1.25 3E 9.0 20.000 120 24.674
to T 6.0 15.000 3.465
8 2 60.03 1.38 0.0 35.000 0.2615 9.151 Vel = 12.88
8 2 0.0 2 Zwa 0.0 37.167 120 37.290
to 0.0 0.0 6.626 * * Fixed Loss = 5.76
ENT 0 60.03 2.067 0.0 37.167 0.0366 1.359 Vel = 5.74
ENT 0 0.0 2 2E 12.407 100.000 150 45.275
to T 12.407 26.055 0.0
CONN 0 60.03 1.985 G 1.241 126.055 0.0295 3.713 Vel = 6.22
100.00 Qa = 100.00
CONN 160.03 48.988 K Factor = 22.86
Final Calculations : Hazen-Williams
Computer Programs by Hydratec Inc. Revision: 50.54.2