A06_Hydraulic_Calculations.pdf

PDF 428 KB Posted Apr 26, 2025

Attached to: FIRE SUPPRESSION SYSTEM CODE CORRECTION - ANCHORAG Federal contract opportunity
Solicitation number: 140P9725Q0033
Issued by: Department of the Interior National Park Service Alaska Region

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Written by GovTribe AI · Apr 26, 2025

This document contains fire suppression hydraulic calculations for the ARO Curatorial High Density Shelving project located at 240 W 5th Avenue in Anchorage, Alaska, prepared by Design Alaska, Inc. on July 10, 2024. The hydraulic calculations detail the fire sprinkler system design for an Extra Hazard Group I storage area covering 2,558 square feet, with 33 sprinklers calculated at a density of 0.30 gpm/ft² using a wet pipe system. The calculations specify a total water requirement of 1,470.95 gallons per minute at a pressure of 43.423 PSI, with a safety margin of 5.122, sourced from the Municipality of Anchorage water model and including a 500 GPM hose stream allowance at the source.

The technical documentation includes comprehensive pipe information across five different routes, detailing node analyses, elevation changes, flow rates, and pressure calculations for each sprinkler connection. The system uses Schedule 40 steel piping with varying nominal pipe sizes (2", 2½", and 6") and follows a detailed hydraulic calculation methodology to ensure proper fire suppression coverage. The calculations account for friction loss, elevation changes, and fitting equivalent lengths to provide a precise engineering assessment of the fire protection system's performance and water delivery capabilities.

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A06_Specifications_DIV_01_Redacted.pdf	PDF	Apr 26, 2025
Sol_140P9725Q0033.pdf	PDF	Apr 26, 2025
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A06_Shop_Drawings.pdf	PDF	Apr 26, 2025

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ARO Curatorial High Density Shelving Anchorage, Alaska

Final Construction Documents

For:

National Park Service, Region 11 240 W 5th Ave.

Anchorage, AK 99501

July 10, 2024

ARO Curatorial High Density Shelving Anchorage, Alaska

Final Construction Documents

Table of Contents Fire Suppression Hydraulic Calculations

By:

Design Alaska, Inc.

601 College Road Fairbanks, Alaska 99701

July 10, 2024

Hydraulic Calculations

Location: 240 WEST 5TH AVENUE, ANCHORAGE, AK, 99501

Project Name: ARO CURATORIAL HIGH DENSITY SHELVING: (402301)

Drawing Name: 402301 - FIRE CENTRAL - AUTOSPRINK.cad Calculation Date: 7/8/2024 for

Design

Remote Area Location:

Extra Hazard Group I

Commodity Classification:

Area of Application: 2500 ft² (Actual 2558 ft²)

Coverage per Sprinkler: 90 ft²

Type of sprinklers calculated:

STORAGE 132

CLASS I - III

1Remote Area Number:

Occupancy Classification:

No. of sprinklers calculated:

Density 0.30 gpm/ft²

Pendent

No. of nozzles calculated: 0

In-rack Demand:

Hose Streams: at Node: Type: Allowance at Source

N/Aat Node:N/A gpm

1500.00

(including Hose Streams where applicable):Total Water Required

43.423@1470.95From Water Supply at Node 1: (Safety Margin = 5.122)

Type of System: WET

Volume of Dry/PreAction/Antifreeze/OtherAgent System: N/A

Source: MOA WATER MODEL

Location:

05/16/2024Date:for Node: 1

Name of Contractor:

MUNICIPALITY OF ANCHORAGEAuthority Having Jurisdiction:

Address:

Phone Number:

Name of designer:

Design Alaska

Right: 40.796 N/ALeft:Automatic peaking results

Notes:

7/8/2024© M.E.P.CAD Page 1AutoSPRINK 2023 v18.1.32.0 9:59:57AM1

Hydraulic Graph

Water Supply

Node: 1

Job Name: ARO CURATORIAL HIGH DENSITY SHELVING

Remote Area Number: 1 Date: 7/8/2024

Summary Sheet

N 1.85

Static:58.000

Residual:20.000

Flowing:3120.00

Available Flow @ 20 PSI:0.00

Supply:

Device (gpm)

Actual Flow Minimum Flow

(gpm) (K)

K-Factor

(psi)

Pressure

Summary Of Outflowing Devices Report Description: Extra Hazard Group I (1 )

Job Number: 402301

Sprinkler 101 27.00 27.00 8 11.391

Sprinkler 102 27.09 27.00 8 11.466

Sprinkler 103 27.41 27.00 8 11.737

Sprinkler 104 28.08 27.00 8 12.316

Sprinkler 105 29.19 27.00 8 13.318

Sprinkler 106 30.85 27.00 8 14.868

Sprinkler 108 31.81 27.00 8 15.814

Sprinkler 110 27.01 27.00 8 11.396

Sprinkler 111 27.09 27.00 8 11.471

Sprinkler 113 27.41 27.00 8 11.742

Sprinkler 115 28.08 27.00 8 12.322

Sprinkler 116 29.20 27.00 8 13.324

Sprinkler 118 30.85 27.00 8 14.874

Sprinkler 119 31.82 27.00 8 15.821

Sprinkler 120 27.04 27.00 8 11.426

Sprinkler 121 27.13 27.00 8 11.501

Sprinkler 122 27.45 27.00 8 11.773

Sprinkler 123 28.12 27.00 8 12.354

Sprinkler 124 29.24 27.00 8 13.359

Sprinkler 125 30.89 27.00 8 14.913

Sprinkler 126 31.86 27.00 8 15.862

Sprinkler 127 27.11 27.00 8 11.487

Sprinkler 128 27.20 27.00 8 11.563

Sprinkler 129 27.52 27.00 8 11.836

Sprinkler 130 28.19 27.00 8 12.420

Sprinkler 131 29.32 27.00 8 13.429

Sprinkler 132 30.98 27.00 8 14.992

Sprinkler 133 31.94 27.00 8 15.945

Sprinkler 134 32.08 27.00 8 16.085

Sprinkler 135 32.19 27.00 8 16.188

Sprinkler 136 32.56 27.00 8 16.561

Sprinkler 137 33.33 27.00 8 17.358

Sprinkler 138 33.88 27.00 8 17.937

Most Demanding Sprinkler Data

Job Name: ARO CURATORIAL HIGH DENSITY SHELVING

Remote Area Number: 1 Date: 7/8/2024

Node @ @

Supply Analysis

Static

(psi)

Required Pressure

(psi)(gpm)

Total DemandAvailable

(psi)

Flow

(gpm)

Residual

(psi) Name

20.0001 43.4231470.953120.00 48.54558.000Water Supply

Node Analysis

NotesDischarge at

Node

(gpm)

Pressure at

Node

(psi)

Node TypeElevation (Foot)Node Number

2'-0 970.9543.423Supply1

12'-6 27.0011.391Sprinkler101

12'-6 27.0911.466Sprinkler102

12'-6 27.4111.737Sprinkler103

12'-6 28.0812.316Sprinkler104

12'-6 29.1913.318Sprinkler105

12'-6 30.8514.868Sprinkler106

12'-6 31.8115.814Sprinkler108

12'-6 27.0111.396Sprinkler110

12'-6 27.0911.471Sprinkler111

12'-6 27.4111.742Sprinkler113

12'-6 28.0812.322Sprinkler115

12'-6 29.2013.324Sprinkler116

12'-6 30.8514.874Sprinkler118

12'-6 31.8215.821Sprinkler119

12'-6 27.0411.426Sprinkler120

12'-6 27.1311.501Sprinkler121

12'-6 27.4511.773Sprinkler122

12'-6 28.1212.354Sprinkler123

NotesDischarge at

Node

(gpm)

Pressure at

Node

(psi)

Node TypeElevation (Foot)Node Number

12'-6 29.2413.359Sprinkler124

12'-6 30.8914.913Sprinkler125

12'-6 31.8615.862Sprinkler126

12'-6 27.1111.487Sprinkler127

12'-6 27.2011.563Sprinkler128

12'-6 27.5211.836Sprinkler129

12'-6 28.1912.420Sprinkler130

12'-6 29.3213.429Sprinkler131

12'-6 30.9814.992Sprinkler132

12'-6 31.9415.945Sprinkler133

12'-6 32.0816.085Sprinkler134

12'-6 32.1916.188Sprinkler135

12'-6 32.5616.561Sprinkler136

12'-6 33.3317.358Sprinkler137

12'-6 33.8817.937Sprinkler138

-11'-0 48.19113

-11'-0 48.09814

-11'-0 44.04616

-11'-0 46.86418

0'-6 38.36591

11'-6 21.820107

11'-6 21.830109

11'-6 21.884112

NotesDischarge at

Node

(gpm)

Pressure at

Node

(psi)

Node TypeElevation (Foot)Node Number

11'-6 21.995114

11'-6 22.183117

Date: 7/8/2024

Remote Area Number: 1

Pipe Information

Node 1

Node 2

Nominal ID

Actual ID

Fittings &

Devices

C Factor Total(Pt)

Elev(Pe)

Friction(Pf)

Fitting/Device (Equivalent

Length)

Fixed Pressure Losses, when applicable, are added directly to (Pf) and shown as a negative value.

NotesFlow added this step

(q)

K-Factor Elev 1

Elev 2 Total Flow

(Q)

Equiv.

Length

(Foot)

(Foot) (Foot)

(Foot)

Length

(Foot)

Fitting

(Foot)

Total (psi)

Pf Friction

Loss Per Unit

12'-6 9'-0 0.075

12'-6 9'-0

• • • • • Route 1 • • • • •

(See

Notes)

2.0670

11.391 27.00

0.008336

Sprinkler

27.00

12'-6 9'-0 0.271

12'-6 9'-0

2 (See

Notes)

2.0670

11.466 27.09

0.030143

Sprinkler

54.09

12'-6 9'-0 0.579

12'-6 9'-0

2 (See

Notes)

2.0670

11.737 27.41

0.064350

Sprinkler

81.50

12'-6 9'-0 1.001

12'-6 9'-0

2 (See

Notes)

2.0670

12.316 28.08

0.111272

Sprinkler

109.57

12'-6 9'-0 1.550

12'-6 9'-0

2 (See

Notes)

2.0670

13.318 29.19

0.172254

Sprinkler

138.77

12'-6 9'-0 0.946

12'-6 9'-0

2½ (See

Notes)

2.4690

14.868 30.85

0.105093

Sprinkler

169.61

18'-0

11'-6 38'-7

0.434

5.573

12'-6 20'-7

2½ (See

Notes)

2.4690

15.814 31.81

0.144441

Sprinkler, 201.43

E(6'-0), PO(12'-0)

11'-6 6'-6 0.009

11'-6 6'-6

6.3570

21.820

0.001444 201.43

11'-6 10'-6 0.055

11'-6 10'-6

6.3570

21.830 201.47

0.005205

Flow (q) from Route 2

402.90

11'-6 10'-0 0.110

11'-6 10'-0

6.3570

21.884 201.74

0.011030

Flow (q) from Route 3

604.63

11'-6 10'-0 0.188

11'-6 10'-0

6.3570

21.995 202.27

0.018812

Flow (q) from Route 4

806.91

Remote Area Number: 1

Pipe Information

Node 1

Node 2

Nominal ID

Actual ID

Fittings &

Devices

C Factor Total(Pt)

Elev(Pe)

Friction(Pf)

Fitting/Device (Equivalent

Length)

Fixed Pressure Losses, when applicable, are added directly to (Pf) and shown as a negative value.

NotesFlow added this step

(q)

K-Factor Elev 1

Elev 2 Total Flow

(Q)

Equiv.

Length

(Foot)

(Foot) (Foot)

(Foot)

Length

(Foot)

Fitting

(Foot)

Total (psi)

Pf Friction

Loss Per Unit

83'-0

0'-6 247'-9

4.769

11.413

11'-6 164'-9

6 (See

Notes)

6.3570

22.183 164.04

0.026493

Flow (q) from Route 5

970.95 4E(17'-7), 2f(-0.000), BV(12'-7)

, BFP(-4.850)

23'-5

-11'-0 34'-11

4.986

0.695

0'-6 11'-6

6 (See

Notes)

6.3570

38.365

0.019919

970.95 E(23'-5)

58'-3½

-11'-0 133'-3½ 2.818

-11'-0 75'-0

6 (See

Notes)

6.2800

44.046

0.021137

970.95 EE(11'-0½), T(47'-3½)

59'-4½

-11'-0 239'-4½ 1.234

-11'-0 180'-0

8 (See

Notes)

8.3900

46.864

0.005157

970.95 T(59'-4½)

98'-3½

-11'-0 123'-3½ 0.093

-11'-0 25'-0

12 (See

Notes)

12.4600

48.098

0.000752

970.95 T(98'-3½)

22'-1

2'-0 41'-1

-5.636

0.868

-11'-0 19'-0

6 (See

Notes)

6.2800

48.191

0.021137

970.95 E(22'-1), S

500.00 Hose Allowance At Source

1470.95 Route 1Total(Pt)

43.423

12'-6 9'-0 0.075

12'-6 9'-0

• • • • • Route 2 • • • • •

(See

Notes)

2.0670

11.396 27.01

0.008340

Sprinkler

27.01

12'-6 9'-0 0.271

12'-6 9'-0

2 (See

Notes)

2.0670

11.471 27.09

0.030156

Sprinkler

54.10

12'-6 9'-0 0.579

12'-6 9'-0

2 (See

Notes)

2.0670

11.742 27.41

0.064377

Sprinkler

81.51

12'-6 9'-0 1.002

12'-6 9'-0

2 (See

Notes)

2.0670

12.322 28.08

0.111319

Sprinkler

109.60

Remote Area Number: 1

Pipe Information

Node 1

Node 2

Nominal ID

Actual ID

Fittings &

Devices

C Factor Total(Pt)

Elev(Pe)

Friction(Pf)

Fitting/Device (Equivalent

Length)

Fixed Pressure Losses, when applicable, are added directly to (Pf) and shown as a negative value.

NotesFlow added this step

(q)

K-Factor Elev 1

Elev 2 Total Flow

(Q)

Equiv.

Length

(Foot)

(Foot) (Foot)

(Foot)

Length

(Foot)

Fitting

(Foot)

Total (psi)

Pf Friction

Loss Per Unit

12'-6 9'-0 1.551

12'-6 9'-0

2 (See

Notes)

2.0670

13.324 29.20

0.172326

Sprinkler

138.80

12'-6 9'-0 0.946

12'-6 9'-0

2½ (See

Notes)

2.4690

14.874 30.85

0.105138

Sprinkler

169.65

18'-0

11'-6 38'-7

0.434

5.575

12'-6 20'-7

2½ (See

Notes)

2.4690

15.821 31.82

0.144501

Sprinkler, 201.47

E(6'-0), PO(12'-0)

21.830 Total(Pt) Route 2

12'-6 9'-0 0.075

12'-6 9'-0

• • • • • Route 3 • • • • •

(See

Notes)

2.0670

11.426 27.04

0.008360

Sprinkler

27.04

12'-6 9'-0 0.272

12'-6 9'-0

2 (See

Notes)

2.0670

11.501 27.13

0.030230

Sprinkler

54.17

12'-6 9'-0 0.581

12'-6 9'-0

2 (See

Notes)

2.0670

11.773 27.45

0.064535

Sprinkler

81.62

12'-6 9'-0 1.004

12'-6 9'-0

2 (See

Notes)

2.0670

12.354 28.12

0.111592

Sprinkler

109.74

12'-6 9'-0 1.555

12'-6 9'-0

2 (See

Notes)

2.0670

13.359 29.24

0.172748

Sprinkler

138.98

12'-6 9'-0 0.949

12'-6 9'-0

2½ (See

Notes)

2.4690

14.913 30.89

0.105394

Sprinkler

169.88

18'-0

11'-6 38'-7

0.434

5.589

12'-6 20'-7

2½ (See

Notes)

2.4690

15.862 31.86

0.144853

Sprinkler, 201.74

E(6'-0), PO(12'-0)

21.884 Total(Pt) Route 3

Remote Area Number: 1

Pipe Information

Node 1

Node 2

Nominal ID

Actual ID

Fittings &

Devices

C Factor Total(Pt)

Elev(Pe)

Friction(Pf)

Fitting/Device (Equivalent

Length)

Fixed Pressure Losses, when applicable, are added directly to (Pf) and shown as a negative value.

NotesFlow added this step

(q)

K-Factor Elev 1

Elev 2 Total Flow

(Q)

Equiv.

Length

(Foot)

(Foot) (Foot)

(Foot)

Length

(Foot)

Fitting

(Foot)

Total (psi)

Pf Friction

Loss Per Unit

12'-6 9'-0 0.076

12'-6 9'-0

• • • • • Route 4 • • • • •

(See

Notes)

2.0670

11.487 27.11

0.008402

Sprinkler

27.11

12'-6 9'-0 0.273

12'-6 9'-0

2 (See

Notes)

2.0670

11.563 27.20

0.030380

Sprinkler

54.32

12'-6 9'-0 0.584

12'-6 9'-0

2 (See

Notes)

2.0670

11.836 27.52

0.064854

Sprinkler

81.84

12'-6 9'-0 1.009

12'-6 9'-0

2 (See

Notes)

2.0670

12.420 28.19

0.112142

Sprinkler

110.03

12'-6 9'-0 1.562

12'-6 9'-0

2 (See

Notes)

2.0670

13.429 29.32

0.173598

Sprinkler

139.35

12'-6 9'-0 0.953

12'-6 9'-0

2½ (See

Notes)

2.4690

14.992 30.98

0.105912

Sprinkler

170.33

18'-0

11'-6 38'-7

0.434

5.616

12'-6 20'-7

2½ (See

Notes)

2.4690

15.945 31.94

0.145563

Sprinkler, 202.27

E(6'-0), PO(12'-0)

21.995 Total(Pt) Route 4

12'-6 9'-0 0.103

12'-6 9'-0

• • • • • Route 5 • • • • •

(See

Notes)

2.0670

16.085 32.08

0.011471

Sprinkler

32.08

12'-6 9'-0 0.373

12'-6 9'-0

2 (See

Notes)

2.0670

16.188 32.19

0.041475

Sprinkler

64.27

12'-6 9'-0 0.797

12'-6 9'-0

2 (See

Notes)

2.0670

16.561 32.56

0.088521

Sprinkler

96.83

12'-6 9'-0 0.580

12'-6 9'-0

2½ (See

Notes)

2.4690

17.358 33.33

0.064394

Sprinkler

130.16

Remote Area Number: 1

Pipe Information

Node 1

Node 2

Nominal ID

Actual ID

Fittings &

Devices

C Factor Total(Pt)

Elev(Pe)

Friction(Pf)

Fitting/Device (Equivalent

Length)

Fixed Pressure Losses, when applicable, are added directly to (Pf) and shown as a negative value.

NotesFlow added this step

(q)

K-Factor Elev 1

Elev 2 Total Flow

(Q)

Equiv.

Length

(Foot)

(Foot) (Foot)

(Foot)

Length

(Foot)

Fitting

(Foot)

Total (psi)

Pf Friction

Loss Per Unit

18'-0

11'-6 38'-7

0.434

3.812

12'-6 20'-7

2½ (See

Notes)

2.4690

17.937 33.88

0.098795

Sprinkler, 164.04

E(6'-0), PO(12'-0)

22.183 Total(Pt) Route 5

Remote Area Number: 1

Equivalent Pipe Lengths of Valves and Fittings (C=120 only)

1.51

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 Relief Valve

PRV Pressure Reducing Valve red Reducer/Adapter S Supply sCV Swing Check Valve SFx Seismic Flex Spr Sprinkler

St Strainer T Tee Flow Turn 90° Tr Tee Run

U Union WirF Wirsbo WMV Water Meter Valve

Z Cap

4.87

1.33

1.16

0.713

100Actual Inside Diameter

Schedule 40 Steel Pipe Inside Diameter = Factor

C Value Multiplier

Value Of C

Multiplying Factor

File details come from the government source that posted it. Updated Apr 26, 2025.