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calculation report-155 Boston St-signedProject Name : New Fire Sprinkler System Drawing No. : Project Location: 155 Boston St City: Salem, MA 01970CALCULATION SUMMARYDesign AreasDesign AreaNameMin.DensityArea ofApplicationOccupancyCalculatedHeadsMin.PressureHoseStreamsTotal WaterPressure @SourceMargin ToSource(gpm/ft²)(ft²)#(psi)(gpm)(gpm)(psi)(psi)Min.Flow(gpm)Calc. Mode(Model) 145.5630420.07615208.811.6Demand (DW)Page 1 Design Remote Area Name Remote Area Location Occupancy Classification Density (gpm/ft²) Area of Application (ft²) Coverage per Sprinkler (ft²) Number of Calculated Sprinklers In-Rack Demand (gpm) Special Heads Hose Streams (gpm) Total Water Required (incl. Hose Streams) (gpm) Required Pressure at Source (psi) Type of System Volume - Entire System (gal) 1 Third floor 0.076 45.56 196 2 0 0 30 33.2 Wet 6.1 gal Water Supply Information Date Location Source HYDRAULIC CALCULATIONS for MM/DD/YYYY MECH ROOM W1 13D Calc. 2 head Max. Project Name : New Fire Sprinkler System Contract No. : Project Location: 155 Boston St City: Salem, MA 01970 Date: 11/28/2018 Name of Contractor: Davco Security Systems, Inc. Address: PO Box 1208 Phone Number: 1-800-227-1726 Name of Designer: Davco Security Systems, Inc. Authority Having Jurisdiction: Salem Fire Department City: Saugus, MA 01906 E-mail: mbergeron@davcosystem.com Job Information Contractor Information Notes Page 2 Job : New Fire Sprinkler SystemDiagram for Design Area : 1(Optimized Hydraulic Simplified)Node Labels:Pipe Labels:OffOffPage 3 Job : New Fire Sprinkler System Hydraulic Analysis for : 1 Water Supply Parameters Calculation Info Calculation Mode Hydraulic Model Fluid Name Fluid Weight, (lb/ft³) Fluid Dynamic Viscosity, (lb·s/ft²) Demand Darcy-Weisbach Water @ 60F (15.6C) 62.4 2.350E-5 Supply 1 : W1 Flow (gpm)Pressure (psi) 0 51.1 40 35.5 Inside Hose Flow / Standpipe Demand (gpm) Outside Hose Flow (gpm) Additional Outside Hose Flow (gpm) Other (custom defined) Hose Flow (gpm) Total Hose Flow (gpm) Hoses Ovehead Sprinkler Flow (gpm) InRack Sprinkler Flow (gpm) Other (custom defined) Sprinkler Flow (gpm) Total Sprinkler Flow (gpm) 30 0 0 30 Required Margin of Safety (psi) W1 - Pressure (psi) W1 - Flow (gpm) Demand w/o System Pump(s) 0 33.2 30 N/A Sprinklers Other Page 4 Job : New Fire Sprinkler SystemHydraulic Analysis for : 1SupplySystem DemandFlow, gpmPressure, psi6050403020100S1S227.527D1D2020 30 40 50Page 5 Job : New Fire Sprinkler System Hydraulic Analysis for : 1 Pressure (psi)Label Graph Labels Flow (gpm) ValuesDescription 0S1 51.1Supply point #1 - Static 40S2 35.5Supply point #2 - Residual 0D1 12.4Elevation Pressure 30D2 33.2System Demand Pressure (psi)Curve Name Curve Intersections & Safety Margins Flow (gpm) Safety MarginIntersection Pressure (psi)@ Flow (gpm) 34.4Supply39.3 8.8 30 Open Heads Head Ref.DensityDensityK-Factor PressureFlowPressure (gpm/ft²)(gpm/ft²)(gpm/psi½)(psi)(gpm)(psi) Flow (gpm) Coverage (ft²) Required CalculatedHead Type S1 4.4 0.05 9.8 11.6 0.076 11.615196Overhead Sprinkler S2 4.4 0.05 9.8 11.6 0.076 11.615196Overhead Sprinkler Page 6 Job : New Fire Sprinkler System Node Data Hydraulic Calculations / Fluid Delivery Time Analysis Node# Elev ft Type Hgroup K-Fact. Open/Closed gpm/psi½ Discharge Overdischarge gpm gpm Coverage Density ft² gpm/ft² Tot. Pres. Elev. Pres. psi psi Req. Pres. Req. Discharge psi gpm S1 22.5 Overhead Sprinkler HEAD 4.4 Open 15 5.2 196 0.076 11.6 -12.3 11.6 9.8 S2 22.5 Overhead Sprinkler HEAD 4.4 Open 15 5.2 196 0.076 11.6 -12.3 11.6 9.8 03 15 Node NODE 16 -9.1 07 15 Node NODE 18.7 -9.1 49 -1 Node NODE 28 -2.2 W1 -6 Supply SUPPLY -30 33.2 0 Page 7 Hydraulic CalculationsJob : New Fire Sprinkler System PIPE INFORMATION Node 1 Node 2 Elev 1 Elev 2 (ft) K-Factor 1 K-Factor 2 (gpm/psi½) Flow added (q) Total flow (Q) (gpm) Nominal ID Actual ID (in) Fittings quantity x (name) = length (ft) L F T (ft) C Factor Pf per ft (psi) total (Pt) elev (Pe) frict (Pf) (psi) NOTES 1Path No: S2 03 22.5 15 4.4 15 15 1 1.101 1x(BM.Tee-Br)=5 2x(BM.90)=10 11.67 15 26.67 150 0.0418 11.6 3.2 1.1 03 07 15 15 15 30 1 1.101 1x(BM.90)=5 1x(BM.Tee-Br)=5 8.92 10 18.92 150 0.1444 16 0 2.7 07 49 15 -1 0 30 1.25 1.394 6x(BM.Tee-Run)=6 1x(us.90)=4.76 1x(BM.90)=6 1x(BM.Tee-Br)=6 28.08 22.76 50.84 150 0.0464 18.7 6.9 2.4 49 W1 -1 -6 0 30 1.25 1.38 3x(us.90)=9 1x(us.Tee-Br)=6 29.5 15 44.5 120 0.0685 28 2.2 3 W1 33.2 2Path No: S1 03 22.5 15 4.4 15 15 1 1.101 1x(BM.Tee-Br)=5 2x(BM.90)=10 11.67 15 26.67 150 0.0418 11.6 3.2 1.1 03 16 *Pressures are balanced to a high degree of accuracy. Values may vary by 0.1 psi due to display rounding. *Maximum Velocity of 10.1 ft/s occurs in the following pipe(s): (07-03) Page 8 Device GraphsJob : New Fire Sprinkler System Pressure vs. Flow Function Design Area: 1; Supply Ref.: W1; Supply Name:W1 Flow, gpm020 40Pressure, psi55 50 45 40 35 30 25 20 15 10 5 0 Page 9