HYDRAULIC CALCULATIONS 952 Arapahoe 952 Arapahoe Ave Boulder, CO 80301 CONTENTS: CALCULATION #1 - CALCULATION METHOD - TWO HEAD CALC HAZEN WILLIAMS
Job Job Number Hydraulic Overview CA-11-0531 Job Name: 952 Arapahoe Address 1 952 Arapahoe Ave Address 2 Boulder, CO 80301 Address 3 Design Engineer Jeremy Kobobel Phone 970-587-7071 970-587-2988 State Certification/License Number AHJ 11-1117 City of Boulder Job Site/Building FAX System Density 0.050gpm/ft² Most Demanding Sprinkler Data 4.3 K-Factor 13.00 at 9.140 Coverage Per Sprinkler 256.00ft² System Pressure Demand 64.714 Total Demand 26.11 @ 64.714 Supplies Node Flow(gpm) Hose Flow(gpm) Static(psi) Residual(psi) 1 1300.16 94.000 70.000 Area of Application 512.00ft² (Actual 294.96ft²) Hose Streams 0.00 Number Of Sprinklers Calculated 2 System Flow Demand 26.11 Pressure Result +29.268 (31.1%) Check Point Gauges Identifier Pressure(psi) K-Factor(K) Flow(gpm) CA-11-0531-1-1 Supply at Node 1 (1300.16, 0.00, 94.000, 70.000) M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:08:41PM Page 1
Job Job Number Hydraulic Summary CA-11-0531 Job Name: 952 Arapahoe Address 1 952 Arapahoe Ave Design Engineer AHJ Jeremy Kobobel State Certification/License Number 11-1117 City of Boulder Address 2 Boulder, CO 80301 Address 3 System Most Demanding Sprinkler Data 4.3 K-Factor 13.00 at 9.140 Hose Allowance At Source 0.00 Additional Hose Supplies Node Flow(gpm) Job Site/Building Drawing Name CA-11-0531-1-1 Remote Area(s) Occupancy Residential Density 0.050gpm/ft² Number Of Sprinklers Calculated 2 AutoPeak Results: Pressure For Remote Area(s) Adjacent To Most Remote Area Left: 64.966 Job Suffix Two Head Calc Area of Application 512.00ft² (Actual 294.96ft²) Coverage Per Sprinkler 256.00ft² Total Hose Streams 0.00 System Flow Demand 26.11 Maximum Pressure Unbalance In Loops 0.000 Maximum Velocity Above Ground 10.77 between nodes 1 and 45 Maximum Velocity Under Ground Total Water Required (Including Hose Allowance) 26.11 Volume capacity of Wet Pipes Volume capacity of Dry Pipes 51.17gal Supplies Hose Flow Static Residual @ Flow Available @ Total Demand Required Safety Margin Node (gpm) (psi) (psi) (gpm) (psi) (gpm) (psi) (psi) 1 94.000 70.000 1300.16 93.983 26.11 64.714 29.268 Contractor Contractor Number 001 Name of Contractor: Kobobel Fire Protection, LLC Address 1 5871 Lockheed Ave Address 2 Loveland, CO 80538 Address 3 Contact Name Jeremy Kobobel Phone 970-587-7071 FAX 970-587-2988 E-mail jeremy@kobobelfireprotectionllc.com Web-Site www.kobobelfireprotectionllc.com Contact Title Owner Extension M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:09:25PM Page 2
Summary Of Outflowing Devices Device Actual Flow (gpm) Minimum Flow (gpm) K-Factor (K) Pressure (psi) Sprinkler 101 13.00 13.00 4.3 9.140 Sprinkler 102 13.11 13.00 4.3 9.301 Most Demanding Sprinkler Data M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:09:37PM Page 3
Node Analysis Node Elevation(Foot) Fittings Pressure(psi) Discharge(gpm) 1-5'-8 S 64.714 26.11 101 17'-10 Spr(-9.140) 9.140 13.00 102 17'-10 Spr(-9.301) 9.301 13.11 41 1'-6 BFP(-14.000) 40.075 45 1'-6 E(2'-0) 40.472 47 8'-2¾ 17.753 50 18'-3¼ T(5'-0) 9.905 55 18'-3¼ T(5'-0), Tr(1'-0) 9.282 62 18'-3¼ T(5'-0) 9.119 M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:09:52PM Page 4
Hydraulic Analysis Pipe Type Diameter Flow Velocity HWC Friction Loss Length Pressure Downstream Elevation Discharge K-Factor Pt Pn Fittings Eq. Length Summary Upstream Total Length Route 1 DR 1.1010 13.00 4.38 150 0.030666 0'-5½ Pf 0.167 101 17'-10 13.00 4.3 9.140 Sprinkler, 5'-0 Pe -0.189 62 18'-3¼ 9.119 T(5'-0) 5'-5½ Pv BL 1.1010 7.37 2.48 150 0.010734 14'-2½ Pf 0.163 62 18'-3¼ 9.119 1'-0 Pe 55 18'-3¼ 9.282 Tr(1'-0) 15'-2½ Pv BL 1.1010 20.48 6.90 150 0.071120 3'-9¼ Pf 0.623 55 18'-3¼ 13.11 9.282 Flow (q) from Route 2 5'-0 Pe 50 18'-3¼ 9.905 T(5'-0) 8'-9¼ Pv BL 1.1010 26.11 8.80 150 0.111447 10'-3¾ Pf 3.490 50 18'-3¼ 5.63 9.905 Flow (q) from Route 3 21'-0 Pe 4.358 47 8'-2¾ 17.753 3E(7'-0) 31'-3¾ Pv DR 1.0490 26.11 9.69 120 0.213148 9'-4½ Pf 19.408 47 8'-2¾ 17.753 16'-0 Pe 2.913 41 1'-6 40.075 3E(2'-0), T(5'-0), 8BV, 2f(-0.000), 25'-4½ Pv scv(5'-0), BFP(-14.000) BL 1.0550 26.11 9.58 150 0.137194 0'-10¾ Pf 0.398 41 1'-6 40.075 2'-0 Pe 45 1'-6 40.472 BV, E(2'-0) 2'-10¾ Pv BL 0.9950 26.11 10.77 150 0.182463 113'-10 Pf 21.135 45 1'-6 40.472 Supply, 2'-0 Pe 3.107 1-5'-8 64.714 2BV, E(2'-0), S 115'-10 Pv 0.00 Hose Allowance At Source 1 26.11 Route 2 DR 1.1010 13.11 4.42 150 0.031164 0'-5½ Pf 0.170 102 17'-10 13.11 4.3 9.301 Sprinkler, 5'-0 Pe -0.189 55 18'-3¼ 9.282 T(5'-0) 5'-5½ Pv Route 3 BL 1.1010 5.63 1.90 150 0.006519 57'-8 Pf 0.787 62 18'-3¼ 9.119 63'-0 Pe 0.000 50 18'-3¼ 9.905 6E(7'-0), 6Tr(1'-0), 3T(5'-0) 120'-8 Pv Equivalent Pipe Lengths of Valves and Fittings (C=120 only) C Value Multiplier ( Actual Inside Diameter Schedule 40 Steel Pipe Inside Diameter 4.87 ) = Factor Value Of C Multiplying Factor 100 0.713 130 1.16 140 1.33 150 1.51 M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:10:04PM Page 5
Hydraulic Analysis Pipe Type Diameter Flow Velocity HWC Friction Loss Length Pressure Downstream Elevation Discharge K-Factor Pt Pn Fittings Eq. Length Summary Upstream Total Length AO BL CM DN DR DY FM FR MS OR RN SP ST UG Pipe Type Legend Arm-Over Branch Line Cross Main Drain Drop Dynamic Feed Main Feed Riser Miscellaneous Outrigger Riser Nipple Sprig Stand Pipe Underground Diameter Elevation Flow Discharge Velocity Pressure Length Friction Loss HWC Pt Pn Pf Pe Pv Units Legend Inch Foot gpm gpm fps psi Foot psi/foot Hazen-Williams Constant Total pressure at a point in a pipe Normal pressure at a point in a pipe Pressure loss due to friction between points Pressure due to elevation difference between indicated points Velocity pressure at a point in a pipe Fittings Legend ALV Alarm Valve AngV Angle Valve b Bushing BalV Ball Valve BFP Backflow Preventer BV Butterfly Valve C Cross Flow Turn 90 cplg Coupling Cr Cross Run CV Check Valve DelV Deluge Valve DPV Dry Pipe Valve E 90 Elbow EE 45 Elbow Ee1 11¼ Elbow Ee2 22½ Elbow f Flow Device fd Flex Drop FDC Fire Department Connection fe 90 FireLock(TM) Elbow fee 45 FireLock(TM) Elbow flg Flange FN Floating Node ft FireLock(TM) Tee g Gauge GloV Globe Valve GV Gate Valve Ho Hose Hose Hose HV Hose Valve Hyd Hydrant LtE Long Turn Elbow mect Mechanical Tee Noz Nozzle P1 Pump In P2 Pump Out PIV Post Indicating Valve PO Pipe Outlet PRV Pressure Reducing Valve PrV Pressure Relief Valve red Reducer/Adapter S Supply scv Swing Check Valve Spr Sprinkler St Strainer T Tee Flow Turn 90 Tr Tee Run U Union WirF Wirsbo WMV Water Meter Valve Z Cap M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:10:04PM Page 6
Hydraulic Graph Supply at Node 1 Hydraulic Graph Supply at Node 1 Static: Pressure 94.000 Residual: Pressure 70.000 @ 1300.16 Available Pressure at Time of Test 93.983 @ 26.11 System Demand 64.714 @ 26.11 System Demand (Including Hose Allowance at Source) 64.714 @ 26.11 M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 2:10:14PM Page 7
Form 12 Private Fire Service Mains Hydrant flow Test Report Name of Property: 952 Arapahoe Address: 952 Arapahoe Ave, Boulder, CO Tested by: Kobobel Fire Protection, LLC Date: 8/19/11 Contract No.: CA-11-0531 Time: 12:00 pm Weather conditions: Sunny and 88 degrees Location of test: Arapahoe Public Library Residual hydrant location: 9th St & Arapahoe Ave Flow hydrant(s) location: Arapahoe Public Library Static pressure (residual hydrant) 94 psi (bar) Residual pressure (residual hydrant) 70 psi (bar) Nozzle size (flow hydrant) 2.5 in (mm) Nozzle coefficient (flow hydrant).9 Pitot pressure(s) 60 psi (bar) Projected results: 2390.79 gpm (lpm) @ 20 psi (1.4 bar) Remarks: Sketch of Test Hydrants (N.T.S.) NFPA Water-Based Fire Protection Systems Forms 1 of 1
CA-11-0531 952 Arapahoe N 1.85 M.E.P.CAD, Inc. AutoSPRINK VR8 v8.1.11 08/25/2011 1:53:05PM Page 1